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  1. 5th Wheel Gooseneck Adapter
  2. CURT
  3. Gooseneck Hitch to 5th Wheel Trailer
  4. Connects to Gooseneck Hole
  5. Not Shock Absorbing
  6. Adapts Truck
Curt X5 5th Wheel Base Rails Adapter for Curt Double Lock Gooseneck Trailer Hitches - 20,000 lbs
CURT

Curt X5 5th Wheel Base Rails Adapter for Curt Double Lock Gooseneck Trailer Hitches - 20,000 lbs

Part Number: C16210
In Stock
$749.95
Retail:$948.95
You Save: $199.00
5th Wheel Gooseneck Adapter
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Install this adapter in the round ball hole of your Curt Double Lock gooseneck hitch to get above-bed base rails for your fifth-wheel trailer hitch. Universal rails provide attachment points in your truck bed for a standard fifth-wheel hitch. 1-800-940-8924 to order CURT 5th wheel gooseneck adapter part number C16210 or order online at etrailer.com. Free expert support on all CURT products. Great prices and Fastest Shipping for Curt X5 5th Wheel Base Rails Adapter for Curt Double Lock Gooseneck Trailer Hitches - 20,000 lbs. 5th Wheel Gooseneck Adapter reviews from real customers.
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  • Reviews (276)
  • Q & A (0)
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CURT 5th Wheel Gooseneck Adapter - C16210

  • Gooseneck Hitch to 5th Wheel Trailer
  • Connects to Gooseneck Hole
  • CURT
  • Not Shock Absorbing
  • Adapts Truck
  • 20000 lbs GTW
  • No Extra Clearance

Install this adapter in the round ball hole of your Curt Double Lock gooseneck hitch to get above-bed base rails for your fifth-wheel trailer hitch. Universal rails provide attachment points in your truck bed for a standard fifth-wheel hitch.


Features:

  • Adapter mounts in your gooseneck trailer hitch to supply the above-bed base rails necessary for installing a 5th-wheel hitch
    • Works with Curt Double Lock, Flip and Store gooseneck hitches
    • Compatible with Curt, B&W, Demco Hijacker Premier Series, Draw-Tite, Hidden Hitch, Husky, Reese, and Valley above-bed 5th-wheel trailer hitches
  • Fast, easy installation
    • Drop adapter into round gooseneck ball hole and lock in place
  • Rubber pads help prevent the rails from sliding in the truck bed
  • Sturdy steel construction
  • Black carbide powder coat finish resists corrosion
    • Coated in liquid Aquence for superior durability and rust resistance
  • Assembled in the USA


Specs:

  • Gross towing weight: 20,000 lbs
  • Vertical load limit: 4,000 lbs


Notes:

  • Bed liners and bed mats may affect the fit of this adapter and trimming may be necessary.
  • Will not work with fifth-wheel hitches or pin boxes that rotate.
  • Will not work with auto-slide fifth-wheel hitches.
  • Will not work with B and W Patriot fifth-wheel sliders.
  • Will not work with Curt S20 sliders.
  • When using this adapter, you may have to remove the safety chain loops from your gooseneck hitch if they are mounted front/back rather than side to side.
  • Will not work with Curt CrossWing 5th-wheel hitch


16210 Curt X5 Fifth Wheel Adapter w/ Round Shank for Curt Double Lock, Flip and Store Gooseneck Hitches

Installation Details C16210 Installation instructions


California residents: click here


Customer Satisfaction Score:

Ratings & Reviews

4.7

276 reviews
Install this adapter in the round ball hole of your Curt Double Lock gooseneck hitch to get above-bed base rails for your fifth-wheel trailer hitch. Universal rails provide attachment points in your truck bed for a standard fifth-wheel hitch.

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As expected



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Fast and great prices



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Fast shipping and fit great!



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very good



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Parts fit perfect



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Fit perfectly. Very pleased.


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276
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See what our Experts say about this CURT 5th Wheel Gooseneck Adapter

  • Solution for Towing a 5th Wheel Trailer with Curt Double-Lock Hitch on 2017 Chevy Silverado 2500
    While we do have other options for you, the only way to use the B&W Companion # BWRVK3500 or # BWRVK3400 is by having the entire B&W Gooseneck Hitch # BWGNRK1016 installed on your 2017 Chevy Silverado 2500 as there isn't a way to safely fit different parts of gooseneck hitches together. With that being said, I'm a little curious about the gooseneck hitch you currently have installed. Reason being that the Chevy factory gooseneck hitch would have needed all of the pucks installed as well...
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  • Will The Curt 5TH Wheel Hitch Rails Fit With Curt Double Lock Gooseneck Hitch on 2018 Chevy 3500?
    The Fifth Wheel Installation Kit # C16411-204 will not fit your 2018 Chevrolet Silverado 3500 as you already have the Rails # C60604 for a gooseneck hitch installed where the rail brackets mount. If you have the Double Lock # C607-604 you can use the Adapter # C16210 for using a 5th wheel hitch.
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  • Is There an Adapter To Fit Turnoverball Gooseneck Hitch Installed in Flatbed Truck
    The issue you most likely are going to have is that the portion of the flat bed that sticks out past the rear axle is going to be too long to fit under the overhang of a fifth wheel hitch since they were designed to fit standard truck beds. How long is your flat bed though since you have something different from the picture? If the hitch you have is in fact a B and W Turnoverball then we do have the Companion for Flat Bed trucks part # BWRVK3050 which is designed for the recessed ball...
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  • How to Tell the Difference Between the Curt Double Lock & EZr Gooseneck Hitch
    If you could send me a picture of the gooseneck hitch you have installed in your 2017 GMC Sierra 2500 then I would be able to make a more educated guess but based on your description you have the Curt Double Lock Gooseneck Hitch part # C607-604 and the correct adapter would indeed be part # C16210. However, if the gooseneck hitch was installed at the dealer then you would have had the Curt EZr Gooseneck Hitch part # C611-624 and the correct adapter would be part # C16220. I have attached...
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  • Adapter Options to Convert Curt Gooseneck Hitch to Fifth Wheel Rail Kit
    Curt has fifth wheel rail adapters for their gooseneck hitches like the part # C16210 for if the hitch is a double lock gooseneck or the part # C16220 for if it's an EZr style. The easy way to tell if your hitch is an EZr or a double lock is to look at the sides of the hitch ball. If there is a slot that runs between the ball holes it's EZr (see first picture. If there is only two holes it's a double latch (second picture). Then you can install a fifth wheel hitch like the A16 slider part...
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  • How To Identify Which Curt Gooseneck Hitch I have To Get The Correct Curt X5 5th Wheel Adapter
    The easiest way to determine which Curt Gooseneck Hitch you have in your truck is to look at the safety chain loops compared to the gooseneck ball hole. If the safety loops are offset from the ball hole, and pretty small in comparision you have the Double Lock and will need the Curt X5 5th Wheel Base Rails Adapter for Curt Double Lock Gooseneck Trailer Hitches - 20,000 lbs # C16210. If the safety loops are in-line with the gooseneck hole and are the same size as the gooseneck hole then...
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  • Fifth Wheel to Gooseneck Hitch Adapter for Trailer with Leland 7921 Pin Box
    For a Leland pin box the best fifth wheel to gooseneck adapter is going to be the Convert a Ball part # CAB-C5G that you referenced. Only issue is that since you have a short bed truck you aren't going to have great turning clearance. Ideally you'd have a hitch that a rail adapter could fit like the X5 part # 16310 for B and W hitches or the # C16210 for Curt double lock hitches so that you could use a slider hitch like the Curt A20 Slider part # C16541.
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  • Adapter Recommendation for 2016 Chevy Silverado with B and W Gooseneck Hitch for Reese 5th Wheel
    You'll have to determine what the gooseneck hitch is that you have installed in the bed of your truck. The Curt you mentioned can only fit Curt hitches and without knowing what you have I can't safely say if it would fit or not.
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  • Parts Needed For A 25k - 30k 5th Wheel Hitch Setup In A 2011 Ram 3500
    Hey Daniel, You could swap out the pin box for a fifth wheel-to-gooseneck style pin box and then just use the gooseneck hitch ball you should've gotten with the Turnoverball hitch. For this I recommend a Gen-Y pin box, but we'll need to know your fully loaded pin weight and the bolt pattern for your current pin box to pick out the correct fit. To determine the bolt pattern you'll want to look for the white sticker on it that lists the LCI item #, serial #, and RPO # so we can look up...
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  • Slider Recommendation for Curt 20k Fifth Wheel Hitch for Turning Clearance
    Sounds like you are trying to switch up your fifth wheel hitch setup so that you have more turning clearance. Whether you use a fifth wheel rail kit or a gooseneck adapter the center of the hitch's jaws are going to be right above the center of the truck's axle. You can use a slider hitch with the # C16210 so if you have this adapter already and a non-slider hitch you'd probably be good just using a slider hitch as well. Since you have a 20k Curt hitch the slider you'd need to use with...
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  • Adapter Rails Needed To Mount A B&W Patriot Slider In A 2017 Ram 2500 With OEM Puck System
    To mount your B&W Patriot 5th Wheel Trailer Hitch w/ Slider # BWRVK3270 in the bed of your 2017 Ram 2500 with an OEM puck system you'll need the Curt Adapter Rails # C29BR. This will lock into the pucks and provide base rails for your hitch to mount to. I've attached a customer review picture below where they also used this with a Patriot slider.
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  • Recommended 5th Wheel Hitch for a Curt Underbed Gooseneck Hitch
    B&W does not but I have something that is comparable. B&W's Turnoverball systems and their Companion hitches work exclusively with each other and are not compatible with other gooseneck hitches like your Curt item # C611-624 or item # C607-604. They have a square receiver over a circular one. To connect a 5th wheel hitch to the Curt gooseneck ball in your 2016 Chevy Silverado 2500, I recommend the Demco Recon Gooseneck-to-5th Wheel Trailer Hitch Adapter item # DM8550045. This 5th wheel...
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  • How to Use the Curt X5 5th Wheel Base Rail Adapter on a 2013 Ford F-350
    The Curt X5 5th Wheel Base Rail Adapter part # C16210 is designed to work with the Curt Double Lock, Flip and Store Underbed Gooseneck Hitches. The correct Curt Double Lock, Flip and Store Underbed Gooseneck Hitch for your 2013 Ford F-350 is part # C60720. I have attached a photo for you which shows what the OEM prep package looks like. If you would like you can send me a photo of your truck bed and I can confirm if it has the OEM prep package.
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  • Curt Industry Standard Rails Gooseneck Adapter
    The correct adapter plate for the Center Section for Curt EZr Double Lock item # C60619 is going to be the Curt X5 5th-Wheel Base Rail Adapter Plate for EZr Double Lock Gooseneck Trailer Hitch item # C16220. You may need to trim your bedliner or bed mat for this adapter to work properly.
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  • Can B&W Companion 5th-Wheel Hitch be Used with Curt Gooseneck Ball on 2015 Chevrolet Silverado 2500
    I do have a solution for you, however the B&W Companion 5th Wheel Trailer Hitches like the Sliding # BWRVK3400-5W are not compatible with the Curt Gooseneck Hitch installed on your 2015 Chevrolet Silverado 2500. As you noted, the B&W uses a square shank while Curt gooseneck balls use a round shank and there is no current shaft or adapter available to allow the use of the two systems together. I recommend using the Curt X5 5th Wheel Base Rails Adapter # C16210. This will work with Curt...
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  • Difference Between Item # C16220 and Item # C16210 And Are They Interchangeable With Each Other
    The only difference between Item # C16220 for EZr hitches and Item # C16210 for Curt double lock hitches is the shaft on Item # C16220 is going to be 3/8" longer than the shaft on Item # C16210. I would not recommend trying to use Item # C16220 on a hitch designed for Item # C16210. With the shaft being a little longer, the rails may not sit flat on the bed. If you tried using Item # C16210 on an EZr hitch the pin holes would not line up because of the shorter shaft.
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  • Compatibility of Curt Gooseneck Hitch with B&W Companion 5th Wheel Hitch
    To install a fifth wheel hitch that would be compatible with your existing Curt gooseneck hitch, I'd recommend using Curt X-5 adapter, part # C16210. This adapter will lock into a Curt Double-Lock, Flip and Store gooseneck hitches (C-60 and C-600 series). The adapter provides bed rails for a fifth wheel hitch that uses industry standard bed rails like Reese, Curt, Draw-Tite, Valley or Husky. The Curt Q20, part # C16130 would be a good choice. The hitch has a 20,000 lb capacity and a dual...
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  • Does Install of Curt X5 Adapter C16210 Require Trimming of Bed Liner
    The Curt X5 5th Wheel Base Rails Adapter # C16210 that you referenced does require that the bed liner be trimmed out of the way so that it can fit properly. Since you have a bed liner and yours doesn't want to fit properly you'll need to trim it so that it can fit.
    view full answer...
    Image 1 for
  • How to Tell Difference Between Curt EZr and Double Lock Gooseneck Hitch
    Easiest way to tell which gooseneck hitch you have is by looking at the safety cable loops. If they are about as wide as the gooseneck ball hole and are centered with the ball hole it's an EZr, if the safety chain loops are a smaller and offset then it's a double lock. Take a look at the pictures of the EZR part # C611-624 and the # C607-604 and compare your safety chain setup to both of these. Let me know which yours matches and we can go from there. The part # C16210 is for the Double...
    view full answer...
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  • Industry Standard Fifth Wheel Rail Adapter Recommendation for 2016 Ford F-250 with Rail Kit
    I have a solution for you, but the part # C16210 would not fit the factory rail kit of your 2016 Ford F-250 6-3/4 foot bed. You would need to go with a # RP30156 instead. This will fit the factory pucks in the bed of your truck to provide you with a set of industry standard fifth wheel rails like what the adapter you mentioned is designed to do. I attached an install video that shows how this would install in a similar Ford truck as yours. Since you have a short bed truck you would need...
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  • How to Adapt Gooseneck Hitch for Use With a 5th Wheel in a 2006 GMC Sierra 3500 8-Foot Bed
    A 5th wheel trailer can be towed using a gooseneck-equipped truck either by use of an adapter, such as the Convert-A-Ball # CAB-C5G, by use of a Gooseneck-to-5th-Wheel Rail Adapter Plate such as the Curt X5, part # C16210, or by replacing the 5th wheel pin box with an adapter pin box. Products like the Curt X5 are application-specific; the X5 is compatible with Curt Double-Lock and Flip and Store gooseneck hitches (C-60 and C-600 series). We also offer the Curt adapter for B and W square...
    view full answer...
  • Can The Curt X5 Adapter Be Used In A 2022 Ford F-250 With The Factory Prep Package?
    As the Curt X5 5th Wheel Base Rails Adapter # C16210 is designed for use with the Curt Double Lock Gooseneck Trailer Hitch, it does use a different style of mechanism in the shank to secure it in the bed. I included pictures of what I mean. With that being said, the X5 cannot be used with factory puck systems, unfortunately. However, I do have another option. The Adapter Rails for Curt 5th Wheel Hitch # C88KR is designed specifically to fit your pucks and will snap right into place. This...
    view full answer...
    Image 1 for Image 2 for Image 3 for
  • Troubleshooting Movement Using Curt X5 Adapter on B&W Gooseneck Base
    The Curt X5 5th Wheel Base Rails Adapter for B&W Turnoverball Gooseneck Trailer Hitches - 20,000 lbs # 16310 is the system I believe you have. It will have some movement as you stated but you won't have any issue with it failing if you are within the 20,000 lb maximum towing weight capacity and 4,000 lb maximum tongue weight capacity. There really isn't anything that is recommended to pair these any better. My recommendation for the best fit is the B&W Companion 5th Wheel Trailer Hitch...
    view full answer...
  • Does Reese Goose Box Extend the Pin Box on a 5th Wheel Trailer
    The Reese Goose Box # RP85FR doesn't add any length to the existing set up. The distance from the center of the coupler to the nearest bolt holes is approximately 18 inches. Any length added or lost is coincidental. What kind of gooseneck hitch does your truck have? You may be able to use one of the Curt X5 adapters and then use a sliding 5th wheel hitch such as # C16541 with it to get more clearance. X5 adapter # 16310 works with B&W gooseneck hitches with the exceptions for 2013 -...
    view full answer...


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