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Custom Underbed Installation Kit for B&W Companion 5th Wheel Trailer Hitches

Custom Underbed Installation Kit for B&W Companion 5th Wheel Trailer Hitches

Item # BWGNRK1067-5W
Our Price: $599.00
Fifth Wheel Installation Kit

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B and W Below the Bed Fifth Wheel Installation Kit - BWGNRK1067-5W
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Install a Companion fifth-wheel hitch in your truck bed with this custom kit. Better than a traditional mounting kit, this setup doubles as a gooseneck hitch when the fifth wheel is removed, and the underbed design allows for full bed access. 1-800-940-8924 to order B and W fifth wheel installation kit part number BWGNRK1067-5W or order online at Free expert support on all B and W products. Great prices and Fastest Shipping for Custom Underbed Installation Kit for B&W Companion 5th Wheel Trailer Hitches. Fifth Wheel Installation Kit reviews from real customers.
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  • Reviews (11)
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B and W Fifth Wheel Installation Kit - BWGNRK1067-5W

  • Below the Bed
  • Custom
  • B and W

Install a Companion fifth-wheel hitch in your truck bed with this custom kit. Better than a traditional mounting kit, this setup doubles as a gooseneck hitch when the fifth wheel is removed, and the underbed design allows for full bed access.


  • Lets you install your B&W Companion 5th wheel trailer hitch (BWRVK3500 or BWRVK3400)
  • Doubles as heavy-duty Turnoverball gooseneck trailer hitch
    • Includes rails, gooseneck hitch head, safety chain loops, and hitch ball
  • Provides complete truck bed access when you're not towing
    • Single hole in center of bed is mounting point for hitch
  • Installs easily using existing holes in your vehicle's frame
    • No welding or frame drilling required
    • Truck bed does not have to be removed
    • 4" Diameter hole must be cut into bed
  • Powder coated steel is sturdy and corrosion resistant
  • Made in the USA
  • Limited lifetime warranty

B&W Turnoverball Gooseneck Trailer Hitch

B&W Turnoverball Gooseneck Hitch

Not only does this kit provide you with a sturdy, custom base for installing your Companion fifth-wheel trailer hitch in the bed of your truck, but it also doubles as one of the most recognizable gooseneck hitches on the market. This fifth wheel installation kit actually is the Turnoverball gooseneck hitch from B&W.

Gooseneck Specs:

  • Gross towing weight: 30,000 lbs
  • Vertical load limit: 7,500 lbs
  • Ball size: 2-5/16"

B&W Companion Installed in Turnoverball Gooseneck Hitch

With the B&W Turnoverball underbed gooseneck trailer hitch you get the best of both worlds. When you go to tow a gooseneck trailer, the Turnoverball creates a sturdy, dependable connection with your trailer. And when you're done towing, you can stow the ball upside down in the hitch to get full bed access and a clean appearance. When you're ready to tow your fifth wheel trailer, just install the Companion in the ball hole in place of the gooseneck ball and lock the post in place using the built-in handle. You can remove the fifth wheel when you're done towing, leaving your truck bed open once again.

Simple, Custom Installation

This kit is custom designed for your vehicle. The mounting brackets bolt to existing holes in your truck's frame. While some modification is required - you will need to cut a 4" diameter hole in your bed for the hitch ball and drill holes for the built-in safety chain loops - there is no need to weld onto or to drill into your frame.

Once you have the brackets and center section installed, set up the operating handle. This handle is designed to be accessed from the rear driver's-side wheel well. On the end of the handle is the heavy-duty steel pin that secures the mounting post of the Companion (or the base of the gooseneck hitch ball).

GNRM1067 B and W Turn Over Ball Under-Bed Rail Kit

GNRC959 B and W Turn Over Ball Center Section

Installation Details BWGNRK1067-5W Installation instructions

This Product Fits The Following Vehicles

California residents: click here

Customer Reviews

Custom Underbed Installation Kit for B&W Companion 5th Wheel Trailer Hitches - BWGNRK1067-5W

Average Customer Rating:  5.0 out of 5 stars   (11 Customer Reviews)

Install a Companion fifth-wheel hitch in your truck bed with this custom kit. Better than a traditional mounting kit, this setup doubles as a gooseneck hitch when the fifth wheel is removed, and the underbed design allows for full bed access.


This is a great item for those who want a clean flat bed when not towing a 5th wheel or goose neck trailer. It took about 4 hours to install the below bed and above bed parts by my son, grandson, and me(I supervised). We pretty much followed the online video except we did not loosen the exhaust flange nuts (we didn't need to). When it came to bolting the center piece to the cross members, we had one person standing in the bed with a rope holding the piece up through the hole while the other person installed the bolts in it. Everything lined up well when things were squared up. we did not have any problems with the installation.



Product has worked fine. Ive towed over 5,000 miles this year with no issues whatsoever.


I love it! It was easy to install and works great. I still want to add the fifth wheel attachment maybe this summer

2003 Chevrolet Silverado

Package was on time. Boxes were beat up, but no hardware was lost. B&W hitches are very well made. Installation was straightforward. I will buy the Companion 5th wheel hitch next.


etrailer followed through with the best customer service for me. I had placed an order but knew I would be out of town so Matt scheduled truck freight delivery for my B&W slider hitch assy 400 lb to be shipped and delivered when I would return. Timing was great, product is best quality and with etrailer videos I installed with no issues. UPS truck driver was happy as I was waiting with skid steer with forks to unload. Picked up new 14k+ lb 5th wheel same day I completed install and even made it home. Also used a etrailer coupon to get best pricing nationwide. Thanks Matt

2007 Chevrolet Silverado Classic

My combination B&W turnover ball with 5th wheel hitch has met my towing needs. I've towed our 13,000 lb 5th wheel camper over 10,000 miles without an issue.


Great product easy to use a little pricey I can pull anything I need to.had to move fifth wheel camper and skidster. I received my fifth wheel in a timely manner over all very happy thanks for your help

2004 Chevrolet Silverado

you guys are great, got 2 package, first one if 3 days and second the forth day. got hitch installed today and worked very well. thanks you appreciate it...


The product arrived very quickly and the shipping was free. Jordan was so very helpful. I would definitely recommend this product and this company.

2007 GMC Sierra Classic

Excellent directions. Spot on fit, assuming your measurements are accurate

2005 GMC Sierra

Awesome product

2006 Chevrolet Silverado

Works Great!!


See what our Experts say about this B and W Fifth Wheel Installation Kit

  • Under-Bed Installation Kit for 2007 GMC 2500HD Classic with 8 Ft Bed
    That is correct, the Custom Underbed Installation Kit, # BWGNRK1067-5W, installs by using existing holes in the frame of your 2007 GMC 2500HD Classic so there is no drilling required to install the frame brackets. This installation kit is designed for use with the B&W Companion 5th Wheel Trailer Hitch, # BWRVK3500 and # BWRVK3400.
    view full answer...
  • B&W Companion 5th Wheel Hitch And In-Bed Wiring For A 2003 Chevrolet Silverado 2500 HD
    Yes that is correct, the Custom Underbed Installation Kit for B&W Companion 5th Wheel Trailer Hitches # BWGNRK1067-5W will work wonderfully with your 2003 Chevrolet Silverado 2500, and since you already have the B&W Companion Slider Gooseneck-to-5th-Wheel Trailer Hitch Adapter # BWRVK3400 these two will mate perfectly. Incase you don't already, I recommend also adding the Hopkins Endurance 5th Wheel/Gooseneck 90-Degree Wiring Harness with 7-Pole Plug # 41157. This kit will tee off of your...
    view full answer...
  • Recommendation For 5th Wheel Hitch For 2009 Chevrolet Silverado HD
    Depending on the total loaded weight of the fifth wheel you get, your 2009 Chevrolet Silverado 2500 HD should work for you. I did some research and found that GM has given the 2500 HD a maximum fifth wheel towing capacity of 16,700-lbs. What exactly are your limits will be determined by your vehicle model. Make sure to check your owner's manual for capacities and recommendations. If you have a 6-1/2 foot bed, I recommend the Demco Fifth Wheel Sliding Hitch, Item # DM8550034. You will...
    view full answer...
  • Fifth Wheel Install Kit For A 2007 Chevy Silverado 2500 HD
    We do carry fifth wheel install/rail kits for your 2007 Chevy Silverado 2500 HD. For that I recommend the B&W Custom Installation Kit w/ Base Rails # BWRVK2500. This kit comes with all of the underbed install kit, as well as the above bed rails. I prefer this kit over others because it will be a no-drill install. Also the B&W products are made here in the USA. This kit includes industry standard fifth wheel rails, which will be compatible with virtually any fifth wheel hitch like the B&W...
    view full answer...
  • Will B&W Companion Work With Blue Ox Gooseneck on 2007 GMC Sierra 2500?
    The B&W Companion Gooseneck-to-5th-Wheel Trailer Hitch Adapter # BWRVK3500 would not work with a Blue Ox gooseneck on your 2007 GMC Sierra 2500. In order to use the Companion you would need to install the Custom Underbed Installation Kit for B&W Companion 5th Wheel Trailer Hitches # BWGNRK1067-5W. This install kit also serves as a gooseneck hitch and is a confirmed fit for your '07 Sierra New Body Style. I've added links to video reviews and installs of both parts for you to check out.
    view full answer...
  • Is Demco Auto-Slide 5th Wheel Hitch Compatible with B&W Installation Kit
    The design of the B&W under-bed gooseneck install kit # BWGNRK1067-5W that accepts their Companion hitch # BWRVK3400-5W in your 2008 Chevy 2500HD short-bed does not allow use of another slider hitch, nor use of any type of adapter to allow an industry-standard type hitch to mount. You will need to completely remove the entire B&W system in order to install a Demco kit. For a Demco under-bed installation kit you will use kit # DM8551004 and either 18K slider hitch # DM8550022 or 21K hitch...
    view full answer...
  • Best Fifth Wheel Hitch Available for 2006 GMC Sierra 2500HD
    It seems like you are looking for the best fifth wheel hitch available, and if that is the case the answer is the B&W Companion # BWRVK3400-5W, which would mount in the bed of your 2006 GMC Sierra 2500HD with the Underbed Installation Kit # BWGNRK1067-5W, which also acts as a heavy-duty gooseneck hitch. The Companion is considered by many to be the highest-quality fifth wheel hitch available. With more than 400 reviews from customers who have purchased it, the Companion has gotten a nearly...
    view full answer...
  • Best Underbed Gooseneck/Fifth Wheel Hitch Recommendation for a 2008 GMC Sierra
    That's an easy one, the best 5th wheel hitch/gooseneck hitch available for your 2008 GMC Sierra 2500 short bed would be the B and W Companion hitch # BWRVK3400-5W. The rail kit for this hitch (that is underbed) that also doubles as a gooseneck hitch is the Custom Underbed Installation Kit # BWGNRK1067-5W. This would be a perfect setup for you. I attached an install video for you to check out as well.
    view full answer...
  • B&W Companion Hitch to Fit 2009 Chevrolet 2500 HD with 6-1/2 Foot Bed and Tool Box
    The B&W Companion # BWRVK3500 is a fixed hitch and for your 2009 Chevrolet 2500 with a 6-1/2 foot bed you're going to need a sliding hitch to have enough turning clearance. The sliding Companion is # BWRVK3400-5W which will give you an 12 inches of travel to help you make sharp turns. To determine if this will be enough for you to make sharp turns you can do a little math. You need to take the distance from the center of the hitch's jaw to the cab of your truck and add the 12 inches...
    view full answer...
  • Can the Sliding B& W Companion Fifth Wheel Hitch Fit on a 2010 Chevrolet Silverado 8 ft. Bed
    Technically the B & W Companion 5th Wheel Trailer Hitch # BWRVK3400-5W can fit on your 2010 Chevrolet Silverado, however, sliding 5th wheel hitches are only needed for short bed trucks. This is because 5th wheel trailers can easily hit the cab of trucks when a sharp turn is made while towing. This is because the hitch sits much closer to the cab compared to a long bed truck, like your 2010 Chevrolet Silverado. We do have a B&W Companion Stationary 5th Wheel Trailer Hitch # BWRVK3500-5W...
    view full answer...
  • Will the Under-Bed Rail and Installation Kit for Reese Elite Fit a 2005 Chevy Silverado 8' Bed
    The Under-Bed Rail and Installation Kit for Reese Elite Series 5th Wheel Trailer Hitches part # RP30061 which is a fit for a 2005 Chevrolet Silverado will not work on models with an 8' bed. If you are looking for an underbed mount option we have the Custom Underbed Installation Kit part # BWGNRK1067-5W with B&W Companion 5th Wheel Trailer Hitch part # BWRVK3500-5W. Please note, the Custom Underbed Installation Kit is for 2500 models only. If you have a 3500 model you need part # BWGNRK1062-5W...
    view full answer...
  • Underbed Fifth Wheel Rail Kit and Hitch Recommendation for a 2007 Chevy Silverado 2500HD Long Bed
    I have a great solution for you, but Reese does not have an Elite rail kit fit for your 2007 Chevy Silverado 2500HD with a long bed. Instead I would recommend the B and W Companion setup that consists of the underbed rail kit part # BWGNRK1067-5W and the hitch part # BWRVK3500-5W. Many people refer to the Companion setup as the nicest hitch setup around so I know you will be happy with it. An added benefit to this setup is that you also end up with a gooseneck hitch.
    view full answer...
  • Correct B and W Companion Hitch and Rail Kit for 2008 Chevy Silverado 2500
    For your short bed 2008 Chevy Silverado 2500HD the B and W Turnoverball rail kit # BWGNRK1067-5W is the correct fit and the slider hitch part # BWRVK3400 is also correct since it's a short bed and you'l need the turning clearance.
    view full answer...
  • Will a Reese Signature Series Hitch Fit a 2009 GMC Sierra 3500 Long Bed
    There isn't an under bed installation kit that will fit the Signature Series hitch and your 2009 GMC Sierra. If you want an under bed set up you would have to replace the hitch as well. I know that isn't the best news. Your options are: B&W Companion # BWRVK3500-5W with install kit # BWGNRK1067-5W (doubles as gooseneck hitch) Demco hitch # DM8550032 with installation kit # DM8551004 Draw-Tite hitch # 9480-5W with install kit # 9465-34-5W (doubles as gooseneck hitch)
    view full answer...
  • 5th Wheel Hitch With Underbed Base Rails for 2008 Chevy Silverado 3500 With 8 Foot Long Bed
    There are a couple of options to add a 5th wheel hitch that mounts to underbed base rails on your 2008 Chevy Silverado 3500 long bed, which I'll go over for you. In regards to towing capacity, you will want to verify this yourself in your owner's manual, but according to the online manual an '08 Silverado 3500 Crew Cab 4WD long bed with single rear wheels has a maximum towing capacity of 9,300 lbs if you have a 3.73 axle ratio or 11,800 lbs if you have a 4.10 axle ratio. In regards to...
    view full answer...
  • Underbed 5th Wheel Trailer Hitch Installation Kit and Hitch for 2006 Chevrolet Silverado
    I recommend an underbed system for your 2006 Chevrolet Silverado shortbed like the B&W system. The B&W systems are amongst the best in the business so going with install kit # BWGNRK1067-5W and Companion hitch # BWRVK3400-5W for a short bed will give you everything you are looking for plus a gooseneck hitch should you ever need it. The kit Installs easily using the existing holes in your vehicle's frame. No welding or frame drilling required. I have included some links to videos on both...
    view full answer...
  • Will Air Lift LoadLifter 5000 AL88275 Fit 2008 Chevy Silverado 3500 W/ 6 Lift and B&W Turnoverball?
    Since the Custom Underbed Installation Kit for B&W Companion 5th Wheel Trailer Hitches # BWGNRK1067-5W you purchased for your 2008 Chevrolet Silverado 3500HD SRW mounts to the sides of the frame and the Air Lift LoadLifter 5000 Air Helper Spring Kit # AL88275 mounts to the bottom of the frame you will have no issues with the installation or interference. Since you mentioned your truck is lifted 6" you will need to use a spacer to take up the gap between the bottom of the spring and the...
    view full answer...
  • 5th Wheel/Gooseneck Hitch and Airbags for 2008 GMC Sierra 3500 4x4 Long Bed
    You have already found the best combination 5th wheel/gooseneck towing option for your 2008 GMC Sierra 3500 long bed, the B&W Companion setup, parts # BWGNRK1067-5W and # BWRVK3500-5W. The Companion gives you both hitches in one system and the ability to have a totally clear bed when you need it. For an in-bed 7-way harness kit you can use part # C56000. For reference, an install video on a Sierra is linked for you along with the written instructions. For a compatible air spring setup...
    view full answer...
  • Is There a Difference Between B&W Gooseneck Hitches BWGNRK1067 and BWGNRK1067-5W
    Those two part numbers are the same. The # BWGNRK1067 and the # BWGNRK1067-5W represent the exact same product. Since this kit is in our fifth wheel and gooseneck hitch fitguide we change the part number slightly to organize it in our systems. Ordering either number gets you the same B and W Turnoverball gooseneck hitch that fits your 2002 Chevy Silverado.
    view full answer...
  • Best 5th Wheel Hitch with Compatible Underbed Install Kits for 2003 Silverado 2500 and 2012 Ram 2500
    The Reese Elite and the Reese Signature Series Fifth Wheel Hitches both only mount to underbed kits designed specifically for their respective hitch. Unfortunately there aren't any adapter kits or underbed systems available for your 2003 Chevy Silverado with the 8ft bed, so there isn't going to be a way to use those hitches on that vehicle. For this reason I think the best solution is using a different hitch that provides you with the ability to switch trucks and allow you to use underbed...
    view full answer...
  • What are the Weights of the Individual Components in the B&W 5th Wheel Hitch # BWRVK3400-5W
    I checked with my contact at B&W for the weights of the individual component parts in their under-bed 5th wheel hitch kit consisting of parts # BWRVK3400-5W and # BWGNRK1067-5W. The weight of the head unit is 75-lbs; the base weighs 207-lbs and the under-bed assembly weighs 112-lbs. For reference I have linked both the written instructions and an installation video showing this hitch being installed in a Silverado.
    view full answer...
  • B&W 5th Wheel and Gooseneck Hitch for a 2007 Chevrolet Silverado 3500 with 8 Foot Bed
    The B&W Turnoverball Underbed Gooseneck Trailer Hitch is used for gooseneck towing applications. The correct gooseneck hitch for you would depend on if you have the New Body or Classic edition. If you have the New Body edition then you would want to use part # BWGNRK1067-5W but if you have the Classic edition then you would want to use part # BWGNRK1062-5W. If you are looking to add a 5th wheel hitch to either of the above vehicles with the B&W Turnoverball Underbed Gooseneck Trailer Hitch...
    view full answer...
  • Can Fifth Wheel Rails Install on 2007 Chevy Silverado With Curt Gooseneck?
    The #gooseneck you referenced is only a fit for certain year Ford Super Duty trucks and there is not a Quick Goose 2 Gooseneck that fits a 2007 Chevy Silverado. The only thing you can do is remove it and install the B&W Turnoverball Gooseneck # BWGNRK1059-5W for a Silverado 1500, # BWGNRK1067-5W for a 2500, or # BWGNRK1062-5W for a 3500 8 foot bed. You would then add the B&W Companion # BWRVK3400-5W for the sliding fifth wheel hitch or # BWRVK3500-5W for the fixed fifth wheel hitch.
    view full answer...
  • Recommended Gooseneck And 5th Wheel Hitch For 2001 Chevy Silverado 2500 With 6-1/2 Foot Bed
    The system you are looking for that is functional as a 5th wheel or a gooseneck hitch is the Custom Underbed Installation Kit for B&W Companion 5th Wheel Trailer Hitches # BWGNRK1067-5W. This is the underbed gooseneck system that is a custom fit for your 2001 Chevy Silverado 2500 with 6-1/2 foot bed. This system is compatible with the B&W Companion 5th Wheel Trailer Hitch w/ Slider - Dual Jaw - 20,000 lbs # BWRVK3400-5W. This sliding hitch mounts to the underbed gooseneck system and...
    view full answer...

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