Fold Down Truck Bed Expander - Black

Fold Down Truck Bed Expander - Black

Item # BX4004-02

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Bed Extender

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Bed Extender BX4004-02 - Black - Topline
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Product Images

In Use/Installed

Customer Photos


  • Black
  • 48 - 64 Inch Width
  • Topline
  • Steel
  • Adjustable Width
  • Folds for Storage
The Top Line Manufacturing universal bed expander is great when you are hauling loads just longer than the truck's bed, but not longer than the tailgate. Telescopes to fit almost any size pick-up and will work with tonneau covers or truck caps. Call 800-298-8924 to order Topline bed extender part number BX4004-02 or order online at etrailer.com. Free expert support on all Topline products. Guaranteed Lowest Price and Fastest Shipping for Fold Down Truck Bed Expander - Black. Bed Extender reviews from real customers.


  • All Info
  • Reviews (46)
  • Q & A (79)
  • Videos (3)
  • Photos
  • Why etrailer?

Topline Bed Extender - BX4004-02

The Top Line Manufacturing universal bed expander is great when you are hauling loads just longer than the truck's bed, but not longer than the tailgate. Telescopes to fit almost any size pick-up and will work with tonneau covers or truck caps.


Features:

  • Bed expander telescopes to fit almost any size pick-up
    • Expands from 48"
  • Takes up only 5" of truck bed when not in use
    • Bed expander folds down flat on tailgate
    • Virtually disappears when tailgate is folded up
  • Bed expander will work with tonneau covers or truck caps
  • Constructed of stainless steel and anodized aluminum to resist corrosion
    • Lightweight, yet durable
  • Easily removes with just two release pins
    • Takes about 30 seconds to remove
  • Made in the USA


Specs:

  • Expander sits 15-5/8" tall along the back and 12-1/4" tall along the side
  • Minimum width is 48"
  • Maximum width is 64"
  • Color: black


Please note: Product requires drilling to install. Trimming of bed liner may also be required for installation.


Image showing bed expander in use



The Top Line Manufacturing universal bed expander is great when you are hauling loads just longer than the truck's bed, but not longer than the tailgate.


Rails are adjustable to ensure the perfect fit



stainless steel bracket



The bed expander is mounted securely with stainless steel hardware to one bracket on each side of the truck's tailgate.


bed expander pull pin release



To remove the truck bed expander, just pull the pins.


bed expander folded up



Bed expander folds up, leaving all but 5" of the bed available for cargo.



BX4004-02 Fold Down Truck Bed Expander - Black



BX4004-02 Installation InstructionsInstallation Details BX4004-02 Installation instructions

This Product Fits The Following Vehicles

2010 - 2019 Ram 1500

2010 - 2019 Ram 2500

2010 - 2019 Ram 3500

2002 - 2013 Chevrolet Avalanche

1994 - 2010 Mazda B Series Pickup

2004 - 2019 GMC Canyon

2004 - 2019 Chevrolet Colorado

1987 - 2011 Dodge Dakota

2010 - 2011 Ram Dakota

2009 - 2012 Suzuki Equator

2002 - 2013 Cadillac Escalade EXT

1981 - 1983 Ford F-100, F-150, F-250, F-350

1992 - 2014 Ford F-150

1997 - 1999 Ford F-150 and F-250 Light Duty

2004 - 2004 Ford F-150 Heritage Series

2010 - 2014 Ford F-150 Raptor

1984 - 1991 Ford F-150, F-250, F-350

1999 - 2007 Ford F-250 and F-350 Super Duty

1984 - 1995 Toyota Pickup

1982 - 2004 Chevrolet S-10 Pickup

1982 - 1990 GMC S-15 Pickup

2014 - 2019 GMC Sierra 2500

2014 - 2019 GMC Sierra 3500

2014 - 2019 Chevrolet Silverado 2500

2014 - 2019 Chevrolet Silverado 3500

1991 - 2004 GMC Sonoma

1993 - 1998 Toyota T100 Pickup

1995 - 2019 Toyota Tacoma

2004 - 2015 Nissan Titan

2016 - 2019 Nissan Titan XD

See All Vehicle Fits

Video of Fold Down Truck Bed Expander - Black


Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.




Video Transcript for Topline Fold Down Truck Bed Expander Review

Today we're going to review an install, the Top Line fold down truck bed extender, part number BX4004-02. Black in color. This application is also available in silver, part number BX4004-01. Let's go ahead and take a look at the top line tailgate extender that's all ready been installed. Simply open up the tailgate, we'll pick the extender up and swing the arm out and lock it in place. The arm is secured to the extender with the clamp, we pull it free, lift up on the spring-loaded button and it locks in to place. Just like that, our tailgate extender is up and secured. To get an idea, we'll go ahead and take a measurement from the end of the pickup bed to the inside edge here on the corner.

We've added 22 1/2 inches to the length of our pickup bed using our tailgate extender. Now we can go ahead and fold up the tailgate extender and we can see, in it's stored position, it takes up approximately 5 1/2 inches of overall width. It doesn't take up a bunch of room in our pickup bed when our extender is in the stored position and our tailgate is up. Notice that the tailgate extender has a total of 4 squeeze clamps. These clamps firmly hold the extender in position, so it doesn't swing or bang around when you're in the stored position and going down the road. Another really nice feature is how easily our tailgate extender will come off. We've got 2 quick pins that are held in to place with a D10 ball and it's got a nice cable to keep it.

Simply take it out of the bracket on both sides and, because our clamps are holding it together, we can simply take it off as one unit and set it aside. Therefore, opening our tailgate back up so we can use it for other applications. That does it for the review of our tailgate extender. Now let's go ahead and show you how to install it. We'll go ahead and put our truck bed extender on to the tailgate. Next, we'll loosen our clamps so we can extend it to the width of the tailgate.

We have 4 clamps on each side for a total of 8. You can use the Allen Wrench that's provided with the install kit or if you have one on a socket, like we do, makes your work a little faster. Now with our clamps loose, we'll take the bed extender and slide it out so that we can get it to the width of the pickup bed. Now that we've got the driver's side slid out, we'll go ahead and move over to the passenger side and repeat the same process. Once I have both sides slid out to equal lengths, to double check it, I can always go ahead and measure from the center support to the outer support on both sides and make sure I've got equal lengths.

Once we've confirmed we've got equal lengths, we'll go ahead and tighten down the clamps to hold it in place. In selecting our mounting location, we're looking for a good, flat service to attach to. We want to slide all the way over so we get the maximum width, but we don't want to interfere with the latch. I'm, also, going to come all the way out to the top cap of the tailgate. This will give me maximum width and length. In choosing our mounting location each one of the attachment points needs to be on the same level or flat surface. We have one in the front, middle and here at the end on the bottom bracket that attaches to the tailgate.If I slide over a little bit, we can see that the front attachment point is on an uneven surface compared to the center and rear attachment point, so we'll need to slide it down the tailgate so all three attachment points are on the same flat and level surface. There, now we'll go ahead and duplicate this on the other side because each process we do here to one side gets repeated identically on the opposite side. Some applications, like this one, where you want the extender to be at the very outer edge of your tailgate; the very top edge of your tailgate, or, could possibly need to be modified so that all three attachment points are sitting on the same level surface. We're going to go ahead and notch out the tailgate cap. Using my marker here, I'm going to draw a couple lines so they cut out for our bracket. Once I have it marked out I'm going to slide my extender out of the way and use a rotary tool to cut out the plastic. You could also use a utility knife. Just be careful as you work through the thick plastic. Now that we have it cut out, let's go ahead and slide it in to place, make sure we've got a good fit. Once you've got your tailgate extender in position, we're going to hold on to the bracket as we rotate the extender up. It's a good idea to get and extra set of hands to do the passenger side while we're doing the driver side. We'll rotate it up while holding the bracket in place and then we can use our paint marker or, in this case, I'm using a permanent marker to mark the forward and center attachment points. We're going to go ahead and pull the pin that removes the extender from the bracket. Make sure that our bracket is lined up with our previously marked attachment points and then mark our third attachment point that was underneath the hinge point of our extender. All right. Now with all three holes marked, we'll go ahead and remove the bracket. We're going to use our center punch on each of our attachment points and then drill it out. To drill it out we're going to use a step bit process starting with a smaller pilot bit and then working out way up to our final size. Our final size will be just large enough so that we can get our fastener in to the tailgate. Now with our holes drilled out, we're ready to install the insert. The insert will go in to the hole and then turn. Our screw will go down through the top, in to the threaded portion of the insert that'll get pulled up tight to the tailgate to create our attachment point. Let's go ahead and install it. We'll slide it in. You'll see that the top side is beveled so that as the bolt gets pushed in, it'll turn the insert. Sometimes they like to hang up, so I recommend to go ahead and get it started with your screw driver. Now we'll go ahead and repeat the remaining fasteners just like we did these two. Next, we're going to install the gasket. The gasket will go down, over the attachment points and then our bracket sits inside that gasket. We want to make sure that the gasket is well seated all the way around. We'll put it in place, setting it over the attachment points and using the Allen-headed screws provided to secure it. Note, each one of our fasteners will get Loctite on the threads. That's provided with our install kit. Let's go ahead and break off the top and put it on to the bolt. After we put the Loctite on, we go down through the bracket, through our gasket and in to the insert we installed in to our pre-drilled holes. I recommend to tighten them down, finger tight, just to get them started. It's a little harder to do here with our hinge here on our third attachment point, so you might go ahead and take the Allen-key that's provided, to help get it started. Now that we have all three started, let's go ahead and tighten them down. Now that we have both of our brackets installed, tightened down and secured, we'll go ahead and reinstall the extender. The extender installs with our quick pin. It goes through the bracket, through the extender and then back through the bracket. Once we have our quick pins in, we can store it in the folded up position and even close our tailgate. And just like that, our bed extender is installed and we're ready to hit the road. That will do it for the review and install of the Top Line fold down truck bed extender, part number BX4004-02. .


Customer Reviews

Fold Down Truck Bed Expander - Black - BX4004-02

Average Customer Rating:  4.6 out of 5 stars   (46 Customer Reviews)

The Top Line Manufacturing universal bed expander is great when you are hauling loads just longer than the truck's bed, but not longer than the tailgate. Telescopes to fit almost any size pick-up and will work with tonneau covers or truck caps.

- BX4004-02
by:
2017 Nissan Frontier

Nissan frontier king cab 2017, it took me only 2hrs to install the Bed extender. Very easy to follow the instruction that comes in the box. Highly recommend the product. Thanks etrailer. 549413



- BX4004-02
by:
2003 Toyota Tacoma

I installed the Fold Down Truck Bed Extender on my 2003 Toyota Tacoma. The product itself is well made and fit the truck with no problem. My only complaint is the fasteners provided to secure the unit to the truck. They are what I consider on the "cheap" side. I did not have confidence in using them. I used my own fasteners to secure the unit to the tailgate. Other than that, a great addition to my truck. 157401


Comments

The bed extender has held up well over the past year. I use it to carry ladders , wood, etc., anything that is oversize for the bed of the truck. Still happy with the purchase and would still recommend the unit.

David D - 10/22/2015

15646

- BX4004-02
by:
2005 Toyota Tundra

I really like the product. Once installed it fit great and allowed me to keep my tonneau cover unaltered. Seems very sturdy, looks good, is easy to put up and take down and simple to remove. The only "issue" I have is that it was a bit dicey installing this over my bedliner and even without that it was dicey installing it on a tailgate that wasn't completely flat (mine has contours where I wanted to install the expander). There were also some issues after drilling through the tailgate with metal impeding the bolt retaining clips. In the end I was able to get all 6 bolts securely attached to the tailgate and the thing works great but I could have easily seen things going south. 434901



- BX4004-02
by:
2000 Chevrolet Silverado

Nice, neat, works good, looks good on chevy 4x4. 130644



- BX4004-02
by:
2013 Toyota Tacoma

Great product! Fits just right on my 2013 Toyota Tacoma. I was even able to get it to fit with a Bak RollX Tonneau Cover (had to remove the adjustment nobs). The instructions are a bit lacking when it comes to this vehicle. Cutting the tailgate cover wasn't an option, the toggle nuts were difficult to use and the bolts were a little short. The instructions said to only use 2 bolts on each side, but I used all 3. It took a long time to install, but once I got it attached, it is very sturdy and works great! I can even use it to attach ratchet straps to if needed. 106950



- BX4004-02
by:
2015 Ford Ranger

This bed extender is awesome. I installed it on my 2007 Ranger. I was really impressed by how heavy grade, and high quality the hardware is. The cage itself is made really well as well and the stainless steel brackets are master pieces. This extender will probably out live the truck! The installation was very easy, i used a drill press and put new holes in the bracket and lined it up with the existing holes on my Ranger Tailgate. The directions are very clear, and i cant speak highly enough for how heavy duty the brackets are. The extender adds about 15 pounds of weight to the tailgate which the tailgate handles with no problem. It adds about 6" of depth to the tailgate. I love this system because you can still use your full bed length and keep your tonneau cover closed. theres no bulky cage to swing in or out. if you need the bed length you just drop the tail gate and this is folded out into position in seconds. I haul big bulky gear for windsurfing and can now haul masts and sails that are just over 7.5' long. If you need to take it off, you just pop out the two stainless pins, the whole cage comes right off and can be easily stowed against the wall in your garage taking up limited space. I was concerned about the 'universal fit' but dont let that alarm you, they built a very high quality, ingenious product. 22557



- BX4004-02
by:
2017 Chevrolet Colorado

Will definitely do the job. Works great. I could not use the type of extender that flips over into the bed because of the Baja type spare tire. I had to use a spacer and a sheet metal screw in screw number one because of how the tail gate is. This is a 2017 Chevy Colorado. 441874


Comments

fine

Russ W - 10/15/2018

44652

- BX4004-02
by:

Fantastic! Perfect design, durable. Every Pickup should have one. Great great product! 633427



- BX4004-02
by:

Easy to install and it appears to be of great solid material. I had two issues, (1) one locking nut on the plastic adjustment locks was missing. (2) one of the screws for the mounting plate gave me a really hard time, not sure if it was the screw or nut but it would seize about two or three turns in. I had to take it out several times and it finally went in. Other than that the product appears to be of great quality and I’m looking forward to using it. Quick tip, use a unibit to drill the holes needed on the tailgate, measure twice and drill once. Dry fit the extender and make sure you operate your tailgate a few times before settling on the screw locations to make sure you have enough clearance on both sides of the extender to close your tailgate. Total installation time about an hour with the few issues noted above. 610821



- BX4004-02
by:
2008 Toyota Tundra

I watched the installments videos and read reviews before purchasing. I was still surprised and how easy the installation was and how sturdy this bed extender is. Thanks for the speedy delivery. 522881



- BX4004-02
by:

Woulda gave it 5 stars, but one of the latches was bent too far down on the bracket where one of the folding sides latches into. So now I have to get some pliers or a pry bar in there to bend it back. Not a huge deal, but still a pain. Other than that, looks like a solid product. 509961



- BX4004-02
by:
2011 Ford Ranger

This product is a great way to extend your truck box and it was easy to install as shown in the installation video. UPS lost the shipment during the chaos of the winter storms but etrailer sent another after searching for the lost package. This company cares about its customers and is all about making sure you get what you paid for. This is my second purchase from them and I will continue to purchase products from them as I know that they will come through. This review is suposed to be be about the product which is very cool and needed for my short box 2011 ranger but also about etrailer, thank you Sheila and George! 501589



- BX4004-02
by:
2008 Chevrolet Avalanche

Thanks for the delivery. Got it in 3 days just didn't have time to put it on 440700



- BX4004-02
by:
2013 Chevrolet Avalanche

Very happy with my new tail gate expander on my 2013 Chevy Avalanche. I took it to a local auto body shop, since I didn't want to take a take a chance doing it myself. It took them about an hour to install, and they used their own sturdier hardware. I plan to use it mostly to haul my kayak from the lake house to the lake, as well as lumber or building supplies. It is light weight, and easy to fold down. 413673



- BX4004-02
by:
2007 Chevrolet Avalanche

I bought this bed extender a year ago. It serves its porpoise very well. I highly recommend. 388304



- BX4004-02
by:
2005 Dodge Dakota

No issues. Great product. 357764



- BX4004-02
by:
2007 Chevrolet Avalanche

Installation on a 2007 Chevrolet Avalanche went smoothly, taking about 25 minutes. The instructions that come with the product are well-written; clear and useful. The fit of the bed extender on the Avalanche tailgate is excellent. I leave it in the truck usually, but when hauling dirt or mulch; I simply unclip it and remove it - great design - very sturdy. Recommend highly. 314033



- BX4004-02
by:
2015 GMC Canyon

The attachment anchors and bolts were very flimsy, and difficult to install on the tail gate. Had to go buy another kind that will work better. And one lock down pin/spring is not working properly...I had to keep pushing it down to lock it in place. I could not repair it. But overall, I really like the functionality of the bed extender, and is very useful when loading. 301865



- BX4004-02
by:
2013 Toyota Tacoma

Very fast shipping,Quality product and easy to install on my 2013 Toyota Tacoma 284875



- BX4004-02
by:

Wonderful product and excellent service!! I bought it for my husband for his birthday and he was very happy! It took him 25 minutes to install' again, wonderful product and great pricing! A distributor in our area wanted twice as much for the same item! 274539



- BX4004-02
by:

Wonderful product! Works great! Excellent design! I looked for quite awhile at the different designs of bed extenders and this one looked the best. After purchase and using it 18-20 times the past year I still agree. I like the easy on/off and the operation of it. Sturdy. I think this product should last for quite some time. I have recommended this to others. I know when I showed other people how it worked they too were impressed and agreed it was a good product. Yes I would buy again if necessary. If I had anything negative to say it would be the toggle bolt type hardware that attaches to the tailgate could be a little "beefier" 242078


Comments

Still awesome! No complaints!

Thomas D - 03/28/2017

22985

- BX4004-02
by:
2014 Toyota Tacoma

This bed extender is excellent. Was moving from California to Texas and didn't want to rent a trailer so was trying to fit everything in my Tacoma. This made my short bed into a long bed giving me 18" of more bed space. Highly recommend this to anyone. This is great because when collapsed it takes up next to no space, a mere 3" of bed space. Install took 30 minutes and very simple. 217819



- BX4004-02
by:
Dodge Dakota

So happy I purchased this! It's exactly what I needed for my Dodge Dakota. It easily folds in seconds and can be taken completely off when I don't need the extra room. It's also well constructed. I'd been interested in bed extenders for a while but didn't like that you had to flip the others over when you didn't need it.. It arrived within a few days after I ordered it and had it installed by my mechanic when the truck was in his shop for some repairs. He was able to install it right over the bed liner with longer screws instead of the ones provided. I highly recommend this bed extender. 187230


Comments

Working out well! Dont know how I did without it!

Cathy S - 04/27/2016

17617

- BX4004-02
by:
2011 Ford F-150

Very good construction materials. Just have to be careful while adjusting the width, when backing out the screws to loosen the clamps the backing nuts will come off and fall out. Small and hard to find if you are not aware. Because I wanted to keep my existing tail gate cover intact and on I had to engineer a spacing configuration to allow enough distance between the bracket and cover so the extender will fold against the tail gate. Local hardware store had what I needed. Good porduct and works well without taking up useable bed space with tail gate closed. 180255



- BX4004-02
by:

This thing is awesome. The best I found online. Easy to install. 171623



- BX4004-02
by:

Great service and a great product. Was very easy to install. The video help came in handy. Will be buying from etrailer.com again if in need to a product they carry. 116099



- BX4004-02
by:
2009 Chevrolet Silverado

Excellent product, not to bad to install, just be very careful with the anchors. One detached a nd fell into the tailgate, and one came apart and didn't seem to go back together right, so ended up using large sheet metal screws for one hole on each side. Other than that, looks great. 2009 Chevt Silverado Crew Cab. 107068



- BX4004-02
by:
2001 Nissan Frontier

This is a great bed extender, the anchors for the bolts seemed very flimsy so I used an alternative because one broke and there was no spares. Overall it was really easy to install, looks great and very secure. Great deal. 105543



- BX4004-02
by:
Ford Ranger

It's a great product with a couple of minor problems IMHO. First is the thickness of the SS plate. It is designed to fit on a flat surface. Because of the area it is mounted on my Ford Ranger it's very difficult to get it flat. I had to use washers to shim. If the SS plate were thicker (say 1/8 to 1/4") it would work ok. I'm going to buy an additional 1/8" steel plate to use under the SS steel plate. I didn't use the screws. Used a self threading screws from the hardware store. The screws are a minor problem but the steel plate will require some work. 105469



- BX4004-02
by:
2007 Ford F-150

Easy to install, fits like a glove IF you don't have a bed liner on the tailgate. Made a few mods, no problem. 104884



- BX4004-02
by:
2001 Ford Ranger

The BX4004-02 fold down truck bed extender is itself a great product. I like the fact that when it's not in use, it can be folded up and out of the way. I plan to use the bed extender to transport my kayaks to the lake when me and my wife go kayaking. The kayaks will still extend beyond the tail gate extender itself but not as much and I can use the spaces in the extender to help tie down the kayaks when transporting them. The only reason I don't give it a higher score is I feel installation would be easier if templates of the brackets themselves were included with the product to help mark the holes to be drilled in the tailgate to attach the brackets. (I tried to get a grease pencil and not many places around my area carry those anymore! It is also hard to mark the holes with the tail extender in place.) Luckily for me, I didn't have to drill any holes at all due to there being screws already in place that matched holes #3 and #2 on my 2001 Ford Ranger XLT tailgate already. Otherwise, this is a great product and I would definitely buy again! 86385



- BX4004-02
by:
2006 Toyota Tundra

This product was very easy to install and also flexible, if you want or need to make adjustments or changes to the install. I installed on my 2006 Toyota tundra: 85455



- BX4004-02
by:
2002 Dodge Dakota

good enough 84095



- BX4004-02
by:
2004 Chevrolet Colorado

Rarely does an online order show up sooner than promised, on top of that, the Bed Extender is Fantastic. One half hour to install, including searching for the right bits. Extremely happy with this purchase and would recommend to my best friends, yep, even the in-laws. BUY THIS PRODUCT!!!!!!!! 82552



- BX4004-02
by:

Im pleased with my purchase. It should have come with longer mounting bolts though. My truck has a bed liner and the bolts that were supplied did not work. Took a bit of creativity to install but overall Im happy with my purchase. Excellent customer service and delivery was quickly. 80769



- BX4004-02
by:
2006 Toyota Tundra

I Really Needed It For My Dirt Bikes. Easy To Install. Strong And Durable. Thank You Guys! 78822



- BX4004-02
by:
2013 Toyota Tundra

The extender was at my door step in no time. I had bought it as a Birthday gift for my husband and he was so excited he couldnt wait to install it. It was a fairly easy install bout 45min with the both of us working on it. It had a few scrathes on it but nothing that can be seen without really examining it up close. There is no shaking or rattling when driving and it takes up no space in the bed and it looks shall I say pretty dang sexy! 77164



- BX4004-02
by:
2012 Nissan Frontier

The unit itself is well designed, very light, and folds down quite compactly and is easily removed, BUT, it is far from a "universal" fit as regards my 2012 Nissan Frontier. The supplied turn-nut fasteners simply will not work due to the raised fiberglass tailgate cover. The gap between it and the sheet metal of the tailgate render the nuts too short to grab the metal and too long just to grab the fiberglass cover (which would be a weak install if done that way). After drilling, I had to remove the cover and epoxy stainless nuts to the underside of the drilled holes in the sheet metal, replace the cover, then assemble the extender brackets. Someone at Topline needs to check out the Nissan Frontier tailgate. Other than this hassle, the product works well. 71610



- BX4004-02
by:
1997 Ford Ranger

The product arrived early. It was a gift for my boyfriend and he LOVED it and installed it on his Ford Ranger easily the next day! Thank you! 51592



- BX4004-02
by:

the extender was as easy to install as closing the tailgate it took about 15mins and the delvery time to oregon was only 4 days am very pleased with the product 38718



- BX4004-02
by:
2012 Nissan Frontier

Haven't had a chance to use it yet, but it was easy to install and looks awesome. 33424



- BX4004-02
by:
2011 Dodge Ram Pickup

Shipping on this product was incredibly fast! I received a notice the same night that I ordered that the part was ready to be shipped and the next day it hit the mail. The product came and was in great shape, unfortunately, it doesn't look like it will work with a 2011 Ram 1500 because the rails need a flat place to bolt to the bed. It did look very interesting however, how it would fold up and flip open. I really wish it had worked, but it looks like I'll be testing out etrailer.com's return policy.... 31666



- BX4004-02
by:
2004 Chevrolet Avalanche

Installation on a 2004 Chevrolet Avalanche went smoothly, taking about 30 minutes. The instructions that come with the product are well-written; clear and useful. The fit of the bed extender on the tailgate is excellent. Very sturdy. Recommend highly. 9734



- BX4004-02
by:
Chevrolet Avalanche

Installation is terrible. Trying to install this produst on a Chevolet Avalanche does not work with the hardware supplied.The bed of the tailgate is between 3/16 & 1/4 inch thick and the toggle bolts supplied will only work on sheet metal. 2895



- BX4004-02
by:

Nice Strong, easy to mount, great product. It is nice that it folds down and is out of the way for bed use. 615



- BX4004-02
by:
Ford Ranger

see product revieiw Clever design, easy installation, easy use, looks good, strong, priced well, worth every penny. A "must have" for 4 door mini pidkups. 338


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Ask the Experts about this Topline Bed Extender
Do you have a question about this Bed Extender?


  • Compatibility of Bed Expander and Tailgate Assist Lowering System
  • The Fold Down Truck Bed Expander - Black # BX4004-02 can be used with the DeeZee Tailgate Assist Custom Tailgate-Lowering System for Dodge Trucks # DZ43301. The lowering system will still help the tailgate to drop slower, but the additional 21 lbs of the extender will have an impact. Because the weight is dispersed and the hinge takes most of that weight, it is still beneficial to use the tailgate assist.
    view full answer...

  • Bed Extender and Tonneau Cover Compatibility for 2018 Nissan Frontier Crew Cab
  • The Extang Trifecta Signature 2.0 Soft Folding Tonneau Cover # EX94985 that you referenced is a confirmed fit on the 2018 Nissan Frontier Crew cab with 5-foot bed. The bed extenders we offer for your truck come from Top Line and include silver model # BX4004-01 and the black model # BX4004-02. These are compatible with tonneau covers like the Extang. The Top Line extender is USA-made and can be easily removed from the truck in seconds. Plus it folds flat against the tailgate as shown...
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  • Dimensions of UWS Crossover Toolbox for 2019 Ford F-350
  • The UWS Deep Truck Bed Toolbox - Crossover Style - Low Profile Series - 10.8 cu ft - Gloss Black # UWS00376 measures just 17 inches deep at the bottom and 20 inches deep at the lid. I've attached the manufacturer dimensions in a photo to assist. I did a little research on the Ford Superduty box length and it is 98 inches, so if you subtract the 17 inch box depth, you will have 81 inches (or 78 inches from the top of the box). If your Kawasaki Brute Force 750 is longer than that,...
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  • Truck Bed Extender For 2013 Chevrolet Avalanche
  • For your 2013 Chevrolet Avalanche the Topline Bed Extender, part # BX4004-01 would be a good fit. I have attached a link to an installation video for this on a Sierra. Although the truck is different, the installation will be similar. This extender is constructed of stainless steel and anodized aluminum to resist corrosion. It is easily removed with just 2 pins and is a durable, light weight system that takes up only 5 inches of the truck bed when folded. This extender has a silver...
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  • Will Topline Bed Extender # BX4004-01 Fit on 2012 Dodge Ram Pickup With Plastic Bed Liner
  • The Topline Bed Extender # BX4004-01 you referenced will fit on your 2012 Dodge Ram Pickup, but since you have a plastic bedliner, you may have to do some trimming of that liner prior to installing the bed extender. It is recommended that the mounting brackets of the bed extender attach directly to the metal of the tailgate and if the bed liner interferes, we recommend trimming that section. Some drilling is also required for installation. The extender is lightweight and is easy to remove...
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  • Will the Fold Down Truck Bed Expander # BX4004-02 Fit a Ford F-150 Platinum
  • The Fold Down Truck Bed Expander # BX4004-02 is a universal fit type of item and it can be used with your Ford F-150 Platinum. As far as the installation goes it might be something you can do yourself. I have linked a video showing the features and an example installation so you can determine if it is something you can do yourself. Otherwise any trusted mechanic could perform the installation, I'm sure, for a nominal fee.
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  • Bed Extender for 2011 Ford F-150 Compatible with UnderCover SwingCase Tool Boxes
  • Based on my review of photos of the UnderCover SwingCase tool boxes they will not be compatible with the X-Treme Gate Truck Bed Extender # XG-001. The extender when it is stowed takes up only 2-inches of space from the inside of the tailgate but the side brackets appear to use the same mounting points as the swing/hinge mechanism on the SwingCase boxes. Generally a manufacturer will not recommend installing two accessories that overlap at their installation points. A better option...
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  • Will the Topline Fold Down Truck Bed Expander Fit on a 2013 Toyota Tacoma
  • Yes, the Topline Fold Down Truck Bed Expander, # BX4004-02, will fit your 2013 Toyota Tacoma. In fact, we had a customer install this on a 2013 Tacoma, so I attached his install photos that he submitted for you to check out. I have also attached an installation video that we made on a GMC Sierra for you to check out. It will show how to install the bed expander. This item is also available in anodized silver as part # BX4004-01.
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  • Installing Topline Truck Bed Extender #BX4004-02 on 1998 Toyota Tacoma with Factory Tail Gate Cover
  • The Topline Truck Bed Expander, part # BX4004-02, is a universal-fit item intended to fit a broad range of truck tailgates. Installation processes will vary slightly between vehicles and based on the presence of features such as tail gate liners, as on your 1998 Tacoma. The linked video shows installation of the silver version of the extender, part # BX4004-01, in a different make and model truck. The extender itself can adjust in width from 48 to 64 inches and clips into the two steel...
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  • Will Fold Down Truck Bed Extender # BX4004-02 Fit a 2003 Ford Ranger Flareside
  • The Fold Down Truck Bed Extender-Black, part # BX4004-02, is designed to fit as many different trucks as possible. You will need to measure on your vehicle to determine if it will fit. It will need a minimum of 48 inches to fit. If the tail gate on your 2003 Ford Ranger Flareside is at least 48 inches wide and no greater than 64 inches wide, it will fit. The extender folds up flat against the tail gate when not in use and it will be 15-5/8 inches tall and protrude 5 inches into the bed...
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  • Will Topline Bed Extender # BX4004-02 Fit a 2001 Ford Explorer Sport Trac
  • The Fold Down Truck Bed Extender, # BX4004-02, is designed to fit as many different trucks as possible. It will need a minimum of 48 inches to fit. If the tail gate on your 2001 Ford Explorer Sport Trac is at least 48 inches wide and no greater than 64 inches wide, it will fit. The extender folds up flat against the tail gate when not in use and it will be 15-5/8 inches tall and protrude 5 inches into the bed when folded and the tail gate up. There are many different types of tonneau...
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  • Will Top Line Folding Truck Bed Extender Part # BX4004-02 Fit 2006 Nissan Frontier 4-door Crew Cab
  • The Top Line Folding Truck Bed Extender, part # BX4004-02, is a universal-fit bed extender that will fit both narrow and standard bed size versions of the 2006 Nissan Frontier. This bed extender is made of steel and anodized aluminum and adjusts from 48- to 64-inch width. Top Line also offers this product in a silver finish, part # BX4004-01. My contact at Top Line did not indicate any special installation notes for your vehicle. However, if your truck has a bed liner it may be necessary...
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  • Will a Fold Down Truck Bed Extender # BX400-02 Work on My 2004 Toyota Tundra Carrying a Motorcycle
  • I spoke with my contact at Topline and she informed me that there is a good chance you would be able to accommodate your motorcycle that is 8 foot 2 inches long in the truck bed of your 2004 Toyota Tundra with this Fold Down Truck Bed Extender # BX4004-02. You could make it work because you can install the mounting brackets to your tailgate in such a way that the entire system could be mounted as close to the edge of the tailgate as you would like. Basically, as long as the bed extender...
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  • Installation of Topline Truck Bed Expander # BX4004-02 in 2013 Tacoma 4X4 Longbed with Plastic Liner
  • The Top Line Truck Bed Expander, part # BX4004-02, is a universal-fit item intended to fit a broad range of truck tailgates. Installation processes will vary slightly between vehicles and based on the presence of features such as tail gate liners, as on your 2013 Tacoma 4X4 long bed. The linked video shows installation of the silver version of the expander, part # BX4004-01, in a different make and model truck. The expander itself can adjust in width from 48 to 64 inches and clips into...
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  • Will a Bed Extender Fit a 2001 Ford Explorer Sport Trac
  • If the tailgate width on the 2001 Ford Explorer Sport Trac is at least 48 inches you can use Topline bed extender # BX4004-02 for black or # BX4004-01 for silver. Any less than 48 inches and there is no option that will fit.
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  • Fit of Topline Bed Extender on 2013 Ford F150 With 6.5 ft Bed and Tailgate Step
  • We haven't tested a Topline Truck Bed Extender on a Ford Truck with the integrated tailgate step. From the research I've done, you won't be able to use the flip-up grab bar with the extender folded flat against the tailgate like you see in the provided photo. In order to install the mounting brackets, the tailgate needs to have flat areas along each side for the brackets to mount flat against the inside of the tailgate. The bracket can mount to the plastic liner on the inside of the...
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  • Will Topline Folding Truck Bed Expander # BX4004-02 Fit a 2013 Nissan Frontier 4-Door Crew Cab
  • The Topline Folding Truck Bed Expander, part # BX4004-02, is a universal-fit product that will work in a wide range of truck beds from 48- to 64-inches wide. It is compatible with both tonneau covers and truck caps. It is also available in a silver finish as part # BX4004-01. I have linked an installation video and the written instructions have been forwarded in a separate email. The Topline expander clips into the two steel mounting brackets that affix to the tail gate. (It can be removed...
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  • Truck Bed Extender or Expander For Toyota Tacoma Bed
  • The Topline Fold Down Truck Bed Expander part # BX4004-02 is a fit for your 2013 Toyota Tacoma. The expander allows you to use your tailgate as a part of the bed when carrying cargo. I have attached a video of the installation on a 2008 Toyota Tundra. We have not installed it on a Tacoma yet but it does fit 1995-2019 Toyota Tacomas.
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  • How to Prevent Theft of the Topline Bed Extender # BX4004-02
  • What you would do to deter theft of the bed extender # BX4004-02 is to use security type of hardware. Something that requires an uncommon specialty tool to install/remove. That would secure the mounts that attach to the tailgate. To secure the extender to the mounts you would have to replace the pins that hold the extender on. Something like # 7692 or a similar lock could work. Or something like the Toylok # LC337120 is another option. It would also be good for securing other items stored...
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  • Does Topline Tailgate Extender part # BX4004-02 Fit 2004 Cadillac Escalade EXT
  • Yes, Topline has confirmed for us that their Fold Down Truck Bed Expander # BX4004-02 does fit your 2004 Cadillac Escalade EXT. I attached a review video for this for more info for you to check out as well.
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  • Recommended Hitch Extender for Kuat Transfer Bike Rack with Lowered Tailgate of 2017 Nissan Frontier
  • For a Kuat Transfer 2 bike rack # TS02G to not touch a lowered tailgate on a 2017 Nissan Frontier I recommend using the Curt Extender for 2" Receivers -18" Long # C45796. This will move the hitch pin hole centers 18 inches and will also give you a tongue weight restriction of 350 lbs. Your Kuat Transfer 2-Bike # TS02G will work just fine with that restriction. If you want to further secure your rack and bikes, I recommend the Cable Locks and Hitch Lock for Kuat Transfer 2 Bike Rack...
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  • Installing Top Line Bed Extender # BX4004-02 on 2010 Dodge Dakota with Plastic Bed Liner
  • The Topline Bed Extender you referenced, part # BX4004-02 is width-adjustable and will indeed fit your 2010 Dodge Dakota if the plastic liner you refer to covers a steel tailgate. You would need to drill through the liner to attach the bed extender, but the liner can remain in place. I have provided a photo showing the extender mounted to a tailgate that has the plastic liner.
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  • Will a Topline Bed Extender Fit a 2013 Ford F-150 with Built-In Step in the Tailgate
  • The Topline bed extender # BX4004-02 is listed as a fit for the 2013 Ford F-150. However, it is possible that the bed extender could interfere with the use of the step in the tailgate. But the width is adjustable on the extender from 48 to 64 inches so you would be able to change the width slightly to avoid step interference. I have included a picture that shows an installed extender so you can see whereabouts it installs.
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  • Bed Expander Compatibility with Folding Tonneau Cover on 2015 Ford F-150 Super Cab
  • The Fold Down Truck Bed Expander - Black # BX4004-02 is a fit for your 2015 Ford F-150 Super Cab. The fold back tonneau cover will work fine with this bed extender on your vehicle. Even if you have the tonneau that doesn't require lifting when closing the tailgate, the bed expander when folded will have no interference with that function. The only thing you won't be able to do is completely close your tonneau and close your tailgate with the extender expanded.
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  • Bed Extender for a 2007 Chevy Silverado Crew Cab New Body
  • We offer several bed extenders for your Silverado. For instance, the Top Line Bed Extender, part # BX4004-01 for silver or part # BX4004-02 for black would be a great choice. This extender will fold flat against the inside of the tailgate when not in use. When folded, the extender will allow full use of your truck bed. To see the entire list of extenders available for your truck, use the link below.
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  • Truck Bed Extender for 2016 Toyota Tacoma
  • We do offer a bed extender that would fit your 2016 Tacoma. Topline offers the # BX4004-02 in black or # BX4004-01 in silver. If you're carrying smaller items, the Topline might be a better choice and the gaps between the bars of the bed extender are smaller. However, the Convert-A-Ball extender also acts as a bed step when it's folded down, which is a pretty cool feature. The # XG-001 you referenced is a fit for full sized trucks like the Chevy Silverado/GMC Sierra, Ford F series...
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  • Will the Topline Folding Bed Extender Fit on a 2010 Toyota Tundra With Tonneau Cover
  • You may have to open your tonneau cover to open and close the tailgate with the Topline Bed Extender, # BX4004-02, installed. This bed extender can fold down, but it will extend approximately 5 inches in from the tailgate and interfere with the tonneau cover. This bed extender is also available in silver as part # BX4004-01.
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Info for this part was:

Expert Research:
Michael L
Expert Research:
Robert G
Expert Research:
Michael H
Expert Research:
Jeff D
Expert Research:
Jameson C
Video by:
Joshua S
Test Fit:
Nicholas E
Video Edited:
Jacob T
Expert Research:
John H
Expert Research:
Adam R
Updated by:
Laura H
Photos by:
Jim W
Video Edited:
Chris R
Updated by:
Sarah W
Updated by:
Matthew S

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