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

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

Part Number: BW57FR
In Stock
$599.00
Gooseneck Installation Kit

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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 gooseneck installation kit part number BW57FR or order online at etrailer.com. 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. Gooseneck Installation Kit reviews from real customers.
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2015 Ford F-150 - Custom Underbed Installation Kit for B&W Companion 5th Wheel Trailer Hitches

  • B and W
  • Below the Bed
  • Turnover Gooseneck
  • Installation Kit

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.


Features:

  • 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.


Galvanic Corrosion Limiting Tape

Note: Because the body of your truck is constructed of aluminum, there is an increased risk of galvanic corrosion when a different metal, such as steel, contacts the truck body. To help prevent this corrosion, strips of polypropylene tape are included to provide a barrier between the steel of the hitch and the aluminum of the truck. These strips are to be applied to the center section of the gooseneck hitch as shown above.


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).



GNRM1121 B and W Turn Over Ball Under-Bed Rail Kit

GNRC900 B and W Turn Over Ball Center Section

Installation Details BW57FR Installation instructions

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

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




Video Transcript for Maintaining Your Gooseneck Hitch and Ball

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

  • Are There Any Sliding Hitches Compatible With The Reese Max Duty Underbed Mounting System
    The Reese Max Duty Underbed Custom Mounting System # RP32VR is designed with a different spacing (29" x 16-3/16”) than other puck systems and is currently only compatible with the Reese M5 5th Wheel Trailer Hitch for Max Duty # RP72VR and Reese Above-Bed Gooseneck Trailer Hitch for Max Duty # RP62VR. At this time there isn't a slider version of the Max Duty 5th wheel hitch but Reese will likely offer one in the future. If you have a 6-1/2' bed then I recommend the B&W Companion 5th Wheel...
    view full answer...
  • Recommended B&W Turnoverball and Fifth Wheel Hitch for 2011 Chevrolet Silverado 3500 With 8 Foot Bed
    The Custom Underbed Installation Kit for B&W Companion 5th Wheel Trailer Hitches # BW57FR is designed to fit the 2021 Ford F-150 so it is not compatible with your truck. You need the B&W Turnoverball Underbed Gooseneck Trailer Hitch w/ Custom Installation Kit - 30,000 lbs # BWGNRK1012. Once this is installed, you will be able to use a hitch like the B&W Companion Gooseneck-to-5th-Wheel Trailer Hitch Adapter - Dual Jaw - 20,000 lbs # BWRVK3500. Regarding your air bags, it looks like all...
    view full answer...
  • Which B and W Companion Hitch Rail Kit Fits 2021 Ford F-150 Short Bed
    The B and W Companion hitch rails for a 2021 Ford F-150 is the part # BW57FR which is different from what fit a 2020 Ford F-150. So if you had a 2020 rail kit currently you'd need to replace it with the # BW57FR so you could use a Companion hitch like the # BWRVK3400 slider hitch.
    view full answer...
  • What Do I Need To Install A 5th Wheel Hitch In My 2022 Ford F-150 Hybrid With 6-1/2
    We do! I recommend picking up the B&W Companion # BWRVK3400-5W which connects to your 2022 Ford F-150 via the B&W Gooseneck Hitch # BW57FR. This system gives you a sliding hitch so you have enough trailer to cab clearance during sharp turns and then the gooseneck installs so only the receiver and safety chain loops are exposed so you have a completely clear bed when you aren't towing. Something else you might be interested in is an in-bed 7-Way like the Bargman # 54701-003-010 so it's...
    view full answer...

Do you have a question about this Gooseneck Installation Kit?


Info for this part was:

Employee Lindsey S
Edited by:
Lindsey S
Employee Jeff D
Installed by:
Jeff D
Employee Ryan G
Installed by:
Ryan G
Employee Joshua S
Video by:
Joshua S
Employee Dustin K
Video Edited:
Dustin K
Employee Chris R
Video Edited:
Chris R
Employee Wilson B
Updated by:
Wilson B
Employee Michael B
Updated by:
Michael B
Employee Noah M
Updated by:
Noah M
Employee Carrie F
Updated by:
Carrie F
Employee Alexander C
Written by:
Alexander C

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