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Curt Extender for 2" Hitch Receivers -18" Long

Curt Extender for 2" Hitch Receivers -18" Long

Item # C45796
Our Price: $72.45
Hitch Adapters
Shipping Weight: 20 lbs
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Extend your trailer hitch receiver opening so that your can clear your spare tire when using your hitch-mounted bike rack or so that your trailer won't hit a rear-mounted propane tank when you make sharp turns. Powder coated steel resists rust. 1-800-940-8924 to order CURT hitch adapters part number C45796 or order online at Free expert support on all CURT products. Great prices and Fastest Shipping for Curt Extender for 2" Hitch Receivers -18" Long. Hitch Adapters reviews from real customers.
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  • Reviews (212)
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CURT Hitch Adapters - C45796

  • Hitch Extender
  • Fits 2 Inch Hitch
  • 18 Inch Extension
  • 3500 lbs
  • Bike Racks
  • Cargo Carriers
  • Hitch Mounted Accessories
  • Trailers
  • CURT

Extend your trailer hitch receiver opening so that your can clear your spare tire when using your hitch-mounted bike rack or so that your trailer won't hit a rear-mounted propane tank when you make sharp turns. Powder coated steel resists rust.


  • Extends your trailer receiver opening out from the rear of your vehicle to avoid obstacles
    • Get extra clearance for your trailer
    • Mount your bike rack without having to remove your rear-mounted spare tire
  • Extends hitch 18" from center to center of hitch pin holes
  • Black powder coat finish


  • Application: 2" x 2" trailer hitch receivers
  • Maximum gross trailer weight: 3,500 lbs
  • Maximum tongue weight: 350 lbs
  • Overall length: 23-1/4"
  • Distance from center of hitch pin hole to center of the hitch pin hole: 18"
  • Limited lifetime warranty

Note: Using a hitch extender will reduce your hitch's overall capacity by 50%.

45796 Curt Extender for 2" Receivers - 18" Long

Video of Curt Extender for 2" Hitch Receivers -18" Long

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

Video Transcript for Curt 2 Inch Hitch Extender Review

Hi, John with etrailer. If you have a vehicle that has a rear-mounted spare tire, then you know all too well that there's a lot of accessories that just don't want to work with your vehicle. Well, now they can. Today we're gonna be taking a look at the CURT line of hitch extenders. Now these come in a variety of sizes, anywhere from eight inches, 14 inches, up to 18 inches in length. Now having different size hitch extenders is gonna help you for different situations.

You know, our situation today, we have an H2 that could never have a bike rack on it from the factory, and so we use CURT's 14-inch extender. We now have a bike rack. We don't have to shove the bikes right off the trail into the back of it. We can put it on here, and this 14-inch fits the Hummer nicely. Even when the bikes are off, we can fold this up into the stowed position, something that, again, previously we couldn't do.

We've had a lot of questions for like special cases like this, or even Jeep owners, that also have rear-mounted spare tires. There's also situations with SUVs and some minivans where they have a recessed hitch, and so they're running into the same situation. Will this fit on my one vehicle It might fit on another vehicle, but you don't wanna buy two different bike racks or two different cargo racks. If you can get one nice rack or one nice carrier, and use it for both vehicles, then that's the way to go. Now, another reason for the different size hitch extenders is a situation like this, where towing would be either very difficult or nearly impossible to do without an extender.

You can see just in this instance, we're using the eight-inch extender, and that's gonna bring our hitch ball almost dead even with our spare tire. So getting the jack up and down, hooking up, all of that stuff is gonna be much, much easier. One thing to keep in mind when you are looking at hitch extenders is with your safety chains, realize that you're pushing your trailer however many inches back, depending on the extender size. So you may need to lengthen your safety chains to be able to make sharp turns and such. So we're back in the shop, and we've got the three solid shake options laid out for you here.

Now let's talk about some of the weight capacities, and how this could affect your towing performance. Each of these is rated at 3,500 pounds gross trailer weight rating, and 350 pounds maximum tongue weight rating. Now, the one thing you need to keep in mind when using hitch extenders is that if there's anything under 12 inches, such as our eight-inch extender here, then this is gonna reduce your tongue weight rating on your hitch by 25%, just because of the mechanical advantage and the leverage that we're putting on the hitch. Anything over 12 inches, such as the 14 and 18 here, this is gonna reduce your tongue weight rating on your hitch by 50%. Also, how does this affect your gross trailer weight rating Even if your hitch is rated at five or six or 7,000 pounds, we have to abide by the lowest number. And on these hitch extenders, that lowest number is gonna be 3,500 pounds. Now, a few options you may wanna pick up with your extender is an extra pin and clip. Since you're gonna have an additional piece of equipment back there, you'll need an additional pin and clip. These are gonna take your five-eights inch pin and clip, probably recommend possibly a locking one. We have those here at etrailer. Also, there's gonna be an anti-rattle clamp that may do you some good. These sometimes tend to be a little sloppy, once you start hooking up equipment back there, and you're gonna get some noise and possibly vibration out of it. The anti-rattle clamp is going to eliminate a lot of that movement, and just make for a nicer ride. So how do you know which hitch extender is gonna be right for your particular situation Well, CURT measures these extenders from pinhole to pinhole. So for instance, this eight-inch is gonna read eight inches from the center of the pinhole to the center of the other pinhole, and so on and so forth. So it puts a 14 and the 18. So for instance, when we hook the camper up to the H2 here, we measured from the center of the pinhole on our factory hitch, and by the time we added the extender and our drop ball mount, it put us exactly where we wanted, which was out at the edge of the spare tire here. So in the end, no matter which hitch extender you choose to alleviate your situation, I just don't think you're gonna go wrong. Whether it comes down to the welds, the powder coat finish, or the reinforced collar, I think CURT's quality is second to none. One thing is that these shanks on here, on all three of them, they're solid steel. This is something that's just gonna last, and it's gonna be a great addition to your towing equipment. So that's gonna complete our look at CURT's line of hitch extenders.

Customer Satisfaction Score:

Customer Reviews

Curt Extender for 2" Hitch Receivers -18" Long - C45796

Average Customer Rating:  4.9 out of 5 stars   (212 Customer Reviews)

Extend your trailer hitch receiver opening so that your can clear your spare tire when using your hitch-mounted bike rack or so that your trailer won't hit a rear-mounted propane tank when you make sharp turns. Powder coated steel resists rust.






Came as described, did what i wanted it to do which was extend my Dirt bike rack out past my tailgate, so i could some Hooligan/ neck breaking [stuff]. Really solid well built part though durable, worked well have no complaints or isses with the product.


I have been dealing with etrailer for nearly a decade. I have always receive quality products in a timely manner. I needed to make a return (I ordered the wrong item) and the return was handled cheerfull with Korren.


Ordered on a Saturday afternoon and received on Wednesday morning. It doesn't get much better than that. No more bending under the rack to hook up a trailer.
Thanks Etrailer

It’s a quality product and I highly recommend it if you need an extension on your ATV.
Ron M - 03/22/2018


Purchased to use on my 2020 Yamaha Drive 2 golf cart hitch. I ordered this and an 18” receiver extension. When I placed my online order I received a phone call the next morning asking if was aware that the extension and the receiver hitch were different sizes and would not work together. I was very grateful for the call as I had not realized I had ordered items that would not fit together. Great Customer Service!!!


Very well made, the male end is solid 2”x2” steel and the female end has a steel band around the end for increased strength. Nice hard baked on finish as well, it arrived with the box damaged, but the 18 inch hitch extension didn’t have a scratch on it. I deducted one star because it is not made in the USA.


My truck bed camper is so easy to access with the hitch stair and extender. Having them has finished my project off perfectly. Thanks.


Just what it was supposed to be. Strong enough to hold the specified tongue weight and then some.


It was exactly what we needed and expec ted


Perfect for John Deere 835R

Keep in mind that using an extender such as this will lower the capacity of the hitch both towing and tongue weight capacity by half.
-- Etrailer Expert Mike L - 03/04/2019


This product work perfectly. Very strong material, it will not bend under a load. I use it to extend out from under my UTV to attach the salt spreader.


Works as intended.


Great quality and easy to use!


Going fishing and hunting will be much easier now. Now I can get in the bed of my truck & get things out easy. I have a brand new truck & didn't want to scratch up the tailgate. Also shipped very fast. Thanks


Needed this item to be able to tow my boat behind my pick-up with 9 foot camper.
Had put off towing because I thought I needed a very long extension bar coupled with a weight distribution system...which would not be compatible with my trailer anyways. So I gave up on the idea of towing with it, leaving the boat behind on trips for over ten years. That all changed when I perused the etrailer web site for solutions. Found the solution with the Curt 18" extension bar and the Roadmaster Quiet Hitch (RM-061). With a 12 inch ball mount on the end, and securing both with a pair of Roadmaster Hitch Quieters, it turned out to be perfect. I can move forward and turn either direction just past 45 degrees with out danger of a jack-knife event. My boat/motor/trailer weighs about 1,300 lbs, so I was well within the reduced weight limits imposed by using an 18" extension bar with the class III hitch. The Hitch Quieters were like "icing on the cake," eliminating 3/8" of horizontal and especially vertical "slop" and associated noise. The boat can go with me all the time now.

Just great! I tow without a worry. The set up quite often becomes the topic of conversation at the boat ramp when others see it.
Jim R - 07/25/2018


I use it for a heavy bike rack and it works very well and is extremely stable. Would highly recommend this hitch.


Great service. Melissa helped me with the order. She was knowledgeable and personable. This extension will help with tight maneuverings and with front hitch fittings as well.


This hitch extension if very heavy duty & should work well for what I have planned. Service was great as usual. Items arrived ahead of expected time. Thanks!


Received my 18" extender for my 2" receiver in 3 days. It's going to work perfectly, enabling me to haul bikes with the Thule spare me bike rack at the same time as cargo on a luggage rack at the end of the 18" extender on my Jeep Wrangler. Product is super heavy, therefore, super durable.

Still enjoying the product, working out great
Frank S - 06/19/2018


The Curt 18 inch extender arrived on time especially for this time of the year. It is seriously heavy duty, well constructed. It will be used on my Gator for towing a log splitter, will save my back big time for those familiar with the rear hitch receiver location on a Gator. I am sure I will find other uses for it on my P/U or MH. Great product at a fair price and shipped for free. How good is that?

The extender is working out great, I have used it many times, I like it even better after each use. Fantastic product and company to deal with.
Dan S - 12/01/2018


Rock solid, heavy-weight, and inspires confidence. I ordered two and linked them together because I couldn't find something longer without spending a lot more and a complicated install. I had a simple problem to solve - a deep keel 22 foot sailboat at a boat ramp and I needed another few feet of tongue length to keep my tailpipe out of the water. I stop at the top of the ramp, hook up the two lengths, and I have just enough distance to keep the pipe out of the water. Of course I remove the extenders for any travel over the road. The two pieces together are very easy to handle as components and the price was much lower here than other vendors. And, did I mention that I ordered early one morning and in a different time zone and George J had it out the door in under 2.5 hours. I figure he processed my order right after he got to work and before he went to the coffee maker. Thanks George.

Thanks for asking, I’m very satisfied with it but don’t use my extension apparatus all that much. It was for my boat trailer and I had to deal with a ramp situation that had me concerned. It solved the problem and I keep it stored safely away for the next time. I only trailer once or twice a season and sometimes not at all as we have the boat at a slip. But, if a hurricane is coming and there is a need to pull it quickly the extension will make all the difference in the world. Thanks again.
Patrick - 07/20/2018


Great products arrived super fast, super quality, I'll send a picture when I get them installed. My gate was closed, I hand carried the package down 400 ft. of driveway. Now I'm resting, good quality weighs a bit. Thanks a million.


This is a very heavy duty piece! The receiver part is solid not box tube. the material is thick and strong. Only problem is that if you have a dead-end receiver box (like on my RZR) the input tube will need to be shortened about 3/8 inch as the pin hole will not line up.
This is great for trucks etc. with pass thru receivers.


Fast delivery and reasonable pricing.


I bought this extender after a lot of looking around, this one does the trick!!! It is SOLID Square, not heavy wall tube, the only thing that might hurt this is a Atomic Bomb!!!!! I plan to tow my boat behind my truck with the tail gate down because the camper is 8', and my truck bed is 6'2", the 18" model was exactly what I needed. Shipping was fast, the whole buying experience was PAINLESS, will order from these folks without worry!!

Fantastic!!! This extender will be here long after a Atomic bomb goes off. Very well built!!!
Mike P - 10/25/2017

Show More Reviews

See what our Experts say about this CURT Hitch Adapters

  • Can Curt 2-Inch Hitch Extender # C45796 Be Used on 2007 Hummer H2
    If the hitch on your 2007 H2 is a 2-inch size then you can use an adapter/extender like the Curt Hitch Extender # C45796. However, you need to be aware that use of any extender will reduce your hitch's tongue weight and towing weight ratings by 50-percent. This loss of hitch capacity results from the change in the geometry of the forces on the hitch. In the same way that slipping a length of pipe over a tire iron gives you more leverage to loosen a stubborn lug nut, using an extender...
    view full answer...
  • Hitch Extender Recommendation for Chevy Silverado 1500
    For a 2 inch hitch like what you'd have on your Chevy Silverado 1500 we have an 18 inch long hitch extender part # C45796 which would be a decent option. But you should note that with hitch extenders like this you end up cutting the capacity of the hitch in half due to the increased leverage so you'll need to keep that in mind and be sure not to exceed half of the capacity of your trailer hitch.
    view full answer...
  • Could Curt Extender # C45796 be Used with 2015 Dodge Ram 1500 with Tailgate Down
    Hitch extenders like the part # C45796 that you referenced can work great for your application but the catch is that they cut the capacity of the hitch they are installed in by 50 percent. Since your trailer has a dry weight of 2,800 lbs your trailer hitch would need to have a capacity of 5,600 lbs for it to work. Also the extender itself cannot be used to tow more than 3,500 lbs so you'd need to verify you are under that capacity as well.
    view full answer...
  • Hitch Extender Compatibility with 2 Inch Receiver Load Extender
    The Replacement Backbone for Thule 2 Bike Expansion Accessory 753-3588 will not work with your load extender, however I do have an option for you. The Curt Extender for 2" Receivers -18" Long # C45796 will work in a similar way and will be just 1 inch shorter than the Thule part you mentioned. This will reduce your hitch tongue weight capacity by 50% and you will want to consider the amount of torque on your hitch from having an accessory carrying weight that far out from your hitch....
    view full answer...
  • Recommended Hitch Extender for Adding Clearance when Towing Trailer
    Yes, you can absolutely use the Curt Extender for 2 Inch Receivers # C45796 referenced in your question, along with a ball mount and hitch ball, to tow a trailer. This extender is designed for 2 inch trailer hitch receivers and features a 3,500 pound towing weight capacity along with a 350 pound tongue weight capacity. It has an overall length of 23-1/4 inches and a distance of 18 inches from the center of the hitch pin hole on the trailer hitch to the center of the hitch pin hole on the...
    view full answer...
  • Will Use of a Hitch Adapter Reduce the Hitch Capacity?
    The Curt Extender for 2" Receivers -18" Long # C45796 will in fact reduce the capacity of your hitch by 50% which is something to keep in mind if you need an extension for either towing or using a hitch accessory such as a bike rack or cargo carrier. I've left a link to a video review of this part for you to take a look at.
    view full answer...
  • Is the Shank on Curt Hitch Extender # C45796 Solid or Hollow
    The Curt Extender for 2" Receivers -18" Long Item # C45796 has a solid shank. I have linked a video review of this extender for you and at about the 22 second mark you can see that the shank is solid.
    view full answer...
  • Length from Hitch Pin Hole To Larger Welded Shank on Curt Extender # C45796
    I went out to the warehouse to take a look at the Curt Extender # C45796 referenced in your question. I measured a distance of right at 3-1/8 inches from the center of the hitch pin hole to where the larger 2 inch shank begins. I have included an image with this dimension labeled that you can also check out.
    view full answer...
    Image 1 for
  • Is Extender Needed to use a Bike Rack?
    You may need to use an extender with your bike rack if your vehicle has a spare tire and the rack does not extend far enough out to clear it. The Curt Extender # C45796 is 18" long and may work for you, but please remember it will reduce the tongue weight capacity of your hitch by half.
    view full answer...
  • Distance Between Pin Holes of Curt Hitch Extender C45796
    The distance between the pin holes on the Curt Extender part # C45796 is 18 inches.
    view full answer...
  • What Size Hitch Does Extender C45796 Fit and What Size Hitch Does it Provide
    The Curt extender part # C45796 that you referenced fits into a 2 inch hitch and provides a 2 inch hitch opening.
    view full answer...
  • Availability of Longer Hitch Extension for Use with Helping Back Trailer Down Ramp
    The longest extension we have for a 2 inch hitch is the Curt part # C45796 which is 18 inches long. This could work for you but you need to keep in mind that using an extender like this cuts the capacity of the hitch it is installed in by 50 percent.
    view full answer...
  • Safety Chain Configuration When Using Hitch Extender to Tow Trailer
    When using an 18 inch long hitch extender like the Curt # C45796 you can certainly use two sets of chains like you mentioned, one set from the truck to the extender's receiver and one from the receiver to the trailer. Technically only the chains from the receiver to the boat trailer would need to be crossed to create that cradle for the coupler in the event that it becomes unattached. If you'd rather not weld on D rings to the extender you can also just use one set of longer chains from...
    view full answer...
  • Using Hitch Extender to Carry Dirt Bike on 2017 Ford F-150
    The Curt Extender # C45796 that you referenced will work to clear the tailgate on your F-150 but it will also reduce the trailer hitch's tongue weight capacity by 50 percent. This will the case with any similar adapter. For example, this means if the hitch on your F-150 has a tongue weight capacity of 600 pounds it will be reduced to 300 pounds when using the adapter. If the reduced capacity on your particular hitch is still sufficient to handle the 264 pounds of tongue weight from the...
    view full answer...
  • Is a Hitch Extender Safe to Tow a Camper With
    It is safe to tow with a hitch extender like the Curt # C45796, but it is important to note that using any type of adapter, including an extender, reduces the weight capacity of your hitch by 50 percent.
    view full answer...
  • Measurement of the Receiver Portion of Curt Extender C45796
    The receiver portion itself of the Curt Extender for 2" Receivers # C45796 is approximately 17 inches; the shank itself is approximately 6 inches. Then, from pin hole to pin hole the measurement is 18 inches, which is why it is called an 18 inch extension. I have added a link to a video review for you to check out as well of the Curt Extender for 2" Receivers # C45796.
    view full answer...
  • Finding Weight Capacity for Hitch Using Hitch Extender
    On the trailer hitch there will typically be a weight capacity listed on a sticker. Or if it's an OEM hitch it will be listed in the owners manual.
    view full answer...
  • Can Hitch Extension Be Used To Tow Side by Side With Dodge Ram Carrying Truck Bed Camper?
    Assuming that your Dodge Ram has a 2" trailer hitch receiver you may be able to tow your side by side while your 8' long truck bed camper is installed. The longest extender we have for a standard 2" trailer hitch receiver is the Curt Extender for 2" Receivers # C45796 which is 18" long, has a tongue weight rating of 350lb, and has a trailer weight rating of 3500lbs. Keep in mind that the use a hitch adapter like the # C45796 reduces the capacities of your trailer hitch receiver by 50%,...
    view full answer...
  • Trailer Hitch Extension to Keep Trailer From Contacting Truck During Turns
    You want to make sure the hitch ball is out past the furthest point of the truck. An 18 inch extender like the Curt # C45796 will reach most of the way to the edge of the truck. Then any ball mount will make up the rest. We have a ball mount kit, # 989900, that includes two different ball mounts and hitch balls that may work for you. Depending on the rise or drop you need, if any, with your trailer.
    view full answer...
    Image 1 for
  • Weight Rating for Tow Ready 18-Inch Hitch Fabrication Combo Bar 80818
    The Tow Ready 18-Inch Combo Bar # 80818 does not carry specific tongue weight or towing weight ratings since it is a fabrication part that will be used with other materials to construct a hitch. This is not a hitch extension like # C45796 or the others shown on the linked page. The actual capacity of this item depends on how it is installed, the capacity of the other components used to install it and on the capacity of the vehicle on which it is mounted. In an optimal installation the...
    view full answer...
  • Extending a 2 Inch Trailer Hitch 30 Inches to Clear In-Bed Camper when Towing a Boat Trailer
    For a regular extension that fits a 2 inch trailer hitch receiver the longest available is going to be 18 inches such as # C45796. In order to reach at least 30 inches you would then need to use a ball mount that measures at least 12 inches from the center of the hitch pin hole to the center of the ball hole. But I do not know how much rise or drop you need to tow the trailer level. So what I did was include a link to the fixed ball mounts that would be long enough, as well as a link...
    view full answer...
  • Will Draw-Tite Trailer Hitch Receiver 41945 Fit 2004 Ford E-350 Cutaway W/ Utility Bed?
    As long as the bolt holes in each frame rail are 38-5/8" apart you are correct that the Draw-Tite Ultra Frame Trailer Hitch Receiver w/ Cast Center - Custom Fit - Class V - 2" # 41945 will bolt up to the frame on your 2004 Ford E-350 Cutaway. Now since your bumper sticks out so far the only option is the Curt Extender for 2" Receivers -18" Long # C45796 but this will limit the # 41945 to a 350lb tongue weight rating and a 3500lb trailer weight rating. I included videos of the products...
    view full answer...
    Image 1 for
  • Can Hitch Extension Help Allow Truck to Lower Tailgate When Towing
    A hitch extension does cut your trailer hitch capacity by 50 percent, but for as light of a trailer as you have and how heavy duty your tow vehicle is that wouldn't be an issue. So yes, a 14 inch hitch extension like the # C45795 would be a solid choice to allow you to drop your tailgate!
    view full answer...
  • Solution for Clearing Spare Tire on Jeep Wrangler for Hitch Mounted Cargo Carrier
    We do have a large selection of hitch extenders that are designed for exactly the situation you described in your question. The particular extender you choose will depend on how much distance you are needing in order to clear the spare tire on your Jeep Wrangler. I recommend taking a quick measurement from the center of the hitch pin hole on your hitch receiver, to the outermost edge of the spare tire. You will just need to make sure you pick an extender that will reach at least this distance....
    view full answer...

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