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  1. Hitch Adapters
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  3. Hitch Extender
  4. Hitch Reducer
  5. Fits 2-1/2 Inch Hitch
  6. 24 - 34 Inch Extension
Curt Hitch Extension and Reducer for 2-1/2" Trailer Hitches - 24" to 34" Long

Curt Hitch Extension and Reducer for 2-1/2" Trailer Hitches - 24" to 34" Long

Item # C45048
Retail:$320.95
Our Price: $280.00
You Save: $40.95
Hitch Adapters
Shipping Weight: 25 lbs
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This dual-function adapter bar lets you extend your hitch beyond your bed-mounted camper and reduce your hitch opening so that you can have a 2" hitch for towing a trailer or mounting an accessory. 1-800-940-8924 to order CURT hitch adapters part number C45048 or order online at etrailer.com. Free expert support on all CURT products. Great prices and Fastest Shipping for Curt Hitch Extension and Reducer for 2-1/2" Trailer Hitches - 24" to 34" Long. Hitch Adapters reviews from real customers.
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  • Reviews (149)
  • Q & A (0)
  • Photos

CURT Hitch Adapters - C45048

  • Hitch Extender
  • Hitch Reducer
  • Fits 2-1/2 Inch Hitch
  • 24 - 34 Inch Extension
  • 2-1/2 Inch to 2 Inch
  • 6000 lbs
  • Bike Racks
  • Cargo Carriers
  • Hitch Mounted Accessories
  • Trailers
  • CURT

This dual-function adapter bar lets you extend your hitch beyond your bed-mounted camper and reduce your hitch opening so that you can have a 2" hitch for towing a trailer or mounting an accessory.


Features:

  • Adapter bar lets you modify your hitch receiver to accommodate your application
    • Extends the length of your hitch receiver to clear obstacles like a truck-bed-mounted camper
    • Reduces the size of your hitch receiver opening from 2-1/2" to 2"
  • Electrical bracket lets you mount connector of 7-way wiring extension (sold separately)
  • Built-in loops let you easily attach safety chains
  • Easy installation - simply slide into your hitch receiver
    • Trimming can be done to reduce adapter's length to 24"
  • Sturdy steel construction
  • Corrosion-resistant, high-gloss black powder coat finish
  • Hitch pin and clip included
  • Hitch lock sold separately
  • Assembled in the USA


Specs:

  • Application: 2-1/2" x 2-1/2" trailer hitch receivers
  • Receiver opening: 2" x 2"
  • Extension length:
    • 24" From center of hitch pin hole furthest from edge to center of hitch pin hole
    • 34" From center of hitch pin hole closest to edge to center of hitch pin hole
  • Weight capacity when used with 24" length:
    • Maximum gross trailer weight: 6,000 lbs
      • Maximum GTW when used with weight distribution: 8,000 lbs
    • Maximum tongue weight: 600 lbs
      • Maximum TW when used with weight distribution: 800 lbs
  • Weight capacity when used with 34" length:
    • Maximum gross trailer weight: 4,500 lbs
      • Maximum GTW when used with weight distribution: 6,000 lbs
    • Maximum tongue weight: 450 lbs
      • Maximum TW when used with weight distribution: 600 lbs
  • Limited lifetime warranty


Trim location of Curt 45048 adapter bar

This adapter bar can be trimmed down for applications that require only 24" of extended length.


It is recommended that you use stabilizing straps (18050 - sold separately) when carrying hitch-mounted accessories with this adapter bar.



45048 Curt Trailer Hitch Receiver Tube Adapter - 2-1/2 Inch to 2 Inch Hitches

Installation Details C45048 Installation instructions



Customer Satisfaction Score:


Customer Reviews

Curt Hitch Extension and Reducer for 2-1/2" Trailer Hitches - 24" to 34" Long - C45048

Average Customer Rating:  4.7 out of 5 stars   (149 Customer Reviews)

This dual-function adapter bar lets you extend your hitch beyond your bed-mounted camper and reduce your hitch opening so that you can have a 2" hitch for towing a trailer or mounting an accessory.

by:

Who do I contact about getting the right extension bar? The one I ordered Is a 2 1/2 inch which I need a 2 inch to slide into my receiver or if you guys have a 10 to 12 inch, 2 inch extension so I can connect it I sent a photo of the end that is 2 1/2 which I need it to be 2 inches to slide into my receiver

Etrailer Expert

Jenny N.

3/18/2024

I do have an extender that will work for you. It is part # C45796, however is 18 inches long. I will have our Customer Service team reach out to you to send over return instructions.



by:

Received the product on time and as described however two days later I found it on Amazon for $167 vs the $XXX I paid from
etrailer. When I called to see about a price adjustment - they couldn’t assist and offered return and re-purchase from Amazon - minus a $XX return shipping. Lesson learned.



by:

I recently swapped out the stock 2" receiver for a 2-1/2" to allow me to purchase and use this extension to get past the end of my Lance 1010 Camper. I believe I will have no issues now towing any trailer (within allowable spec's) or carrying my motorcycle carrier. Great quality piece. can't wait to try it out...

Scott

1/21/2021

Excellent! After a year of use still happy I purchased this product...Had to cut it to match the length of my campers overhang but it is perfect now....



by:

Love it! I don't have a slide in camper or truck attachments. I simply purchased to increase turn radius and how much I can cut the trailer before jack knifing, works great for tight spots.



by:

only using for bike rack with my Truck Camper. Great fit and exactly what we needed.



by:

works as expected, i was worried about trailer sway with the hitch having some wobble, but pulled up to 70 just fine. I like the fact that i dont have to use the factory adaptor on the receiver.



by:

This worked out great for my trip from Minnesota to Montana and back, wouldn’t have been able to do it without it



by:

Works nicely with my 19ft lund boat and a 10.5 ft camper on the truck. More solid than I thought it would be. I use it full length. Works great.



by:

Great service, price and prompt delivery. Hopefully will help immensely with getting my boat off of the trailer during winter drawdowns like the picture.



by:

Excellent product. Easy to use. I recommend finding someone with a metal band saw to cut to length. I cut mine with a sawzaw metal blade and finished it with a high grit sanding disc and it turned out ok- not perfect. I towed my boat behind my truck with the camper on it and it worked good. I’ve also attached my motorcycle rack with my 2013 ktm 450. To be on the safe side calculate your tounge weight before towing.



by:

Great extension just had to cut off about an inch to fit it on my truck. I did not receive the pin for it.



by:

Exactly as described and I custom tethered it to the camper bumper for more stability. I did have to drill out the pin hole a little as it did not line up 100% to get the pin inserted, but it is going to work very well.



by:

Super happy with etrailer who helped me select this hitch based on my needs. It’s perfect for me. Very solid, well made hitch extension. Packaged appropriately and protected. The paint on this hitch is awesome. Only flub is the end of the hitch needed to be trimmed. My F250 spare tire got in the way of the back length of the tubing, so I had to cut off about 1/2”to clear the tire. Otherwise it looks great and operates as expected. Good price point too. Thank you for all your help etrailer !



by:

Product is heavy duty, and, tho I haven't used it yet, I expect great results like previous reviewers. Price was good and customer service dealt quickly and favorably on a small issue I had.
I did have to cut 1 1:2 inches off to make it fit in front of my spare, but that was no surprise because I read that other buyers had dealt with the same issue. Chevy/GMC trucks spare tires get in the way a bit. Very satisfied. Have bought from etrailer in the past and don't think they can be beat. Thanks to Caleb for his help.

Scott

8/10/2018

Really well. I just used it to tow my boat halfway across Washington behind my pickup camper and it worked great. I’ve used it several times now and am very happy with what it allows me to do.



by:

Great product, worked out perfect for extending passed the cab over camper.



by:

Gave it 4 stars because I have never owned one before so I have nothing to compare it to. It works good, really seems to ground the truck. I have a Ford F250 superduty crew cab with a 8 1/2 ft Lance light camper that sticks almost 2' past the bumper and I pull a 18' open trailer with a race car on it.



by:

CURT C45048 HITCH EXTENSION I drive a 2011 GMC 3500HD with an S&S 9.5 slide in camper. I needed an extension to be able to tow my boat behind the truck/camper. I saw this extension was on sale w/free shipping. I ordered on Sunday 9/10 and received it on Wednesday 9/13. The extension looks very heavy duty and it slipped right inside my vehicle receiver. The extension protrudes about 4" past the camper bumper. PERFECT!
All of the welds look like quality welds. I just need to mount my trailer harness and I will be ready to go! Great service, great prices & delivery!

Ken Y.

9/20/2018

The hitch extender is still doing a fantastic job! Very happy I purchased this product.



by:

Packaging was very poor, 32" extension hitch just thrown in a box. No projective packaging around it. Paint chipped off reciver end. Box taped up in areas that were damaged. Extension plug completely out of clam shell packaging, not damaged luckily. Seriously, you need to do a much better job of wrapping and protecting parts.
Very disappointed.

Etrailer Expert

Jenny N.

6/20/2022

I am very sorry that the hitch extender arrived with paint damage. I will have our customer service team reach out to you. I recommend using a rust resistant paint like Rustoleum to touch up the affected areas to help protect against corrosion.



by:

This product works great however I would not go over the weight limit. I try to stay well below it remember it's not a super truss.



by:

Absolutely the correct product for my needs. This fit perfectly beneath my Lance truck camper enabling me to haul a 16 foot trailer behind. All the holes matched up to my Dodge RAM 3500 receiver, and because the full length was necessary, no cutting was required. This was, by far, the least expensive bar at this length. Delivery was fast. I have no complaints--only good things to say. Thanks.

Sandee

6/5/2020

This product continues to be a valuable item. It is very durable.



by:

This extender works great with our 2019 Ford F350 when using our 9'6" truck camper so we can use our bike rack or tow a trailer. Nice product, great etrailer selection and info once again!

Pkg

6/8/2020

Great!



by:

mostly impressed with short shipping time and the sturdy box it came in



by:

Great fit no alterations necessary to fit my HD 3500 standard bed.



by:

Used with my new slide-in truck camper while pulling a cargo trailer. Worked well no problems with the product.

Craig L.

4/18/2020

Works great, just as expected.



by:

Received hitch extension as promised. The longest hole did not line up with hole in the factory bumper as it was too long and hit on the spare tire. Had to cut about 1" off the align with holes in the bumper and the extension. Product looks good on the vehicle, have yet to try it out with a trailer, but don't anticipate any problems. The wiring harness extension wouldn't fit through the hole in the mounting plate so had to unwire, then pass through the hole, then rewire the plug to be able to mount it to the extension. Looks good now tho.


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