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Curt Air Ride 5th Wheel Pin Box - Lippert 1621 & 1621HD - 21,000 lbs

Retail: $1,701.93
Our Price: $1,296.48
In Stock
Enjoy smooth, stable towing with your fifth-wheel trailer by replacing your ordinary pin box with this air-ride-equipped model. An internal air bag and built-in strut absorb road shock so that you ...
down Black powder coat provides rust resistance Sturdy steel construction King pin connects to any 5th-wheel trailer hitch Bolt-on installation with no assembly required Made in the USA Specs: Designed
  • Lippert 1621HD
  • Lippert 1621
  • 21000 lbs GTW
  • Upgraded Pin Box
  • Absorbs Road Shock and Reduces Chucking
  • Lippert
  • Air Ride Suspension

Trailair Rota-Flex 5th Wheel Pin Box - Lippert 1621 or 1621HD - 18,000 lbs

Retail: $876.95
Our Price: $718.18
In Stock
This Rota-Flex pin box has a pivoting head with a built-in rubber compound that works to reduce chucking and absorb road shock, resulting in a smoother ride and less wear and tear on your trailer ...
Features: Pivoting pin box replaces standard pin box on your 5th-wheel trailer to improve handling and limit strain on the truck and trailer Minimizes chucking by allowing controlled movement of king
  • Lippert 1621
  • Lippert 1621HD
  • 18000 lbs GTW
  • Upgraded Pin Box
  • Absorbs Road Shock and Reduces Chucking
  • CURT
  • Air Ride Suspension

Gen-Y Hitch Shock Absorbing 5th Wheel to Gooseneck Pin Box - Lippert 1621/1621HD - 30K GTW - 4.5K TW

Retail: $2,549.25
Our Price: $1,725.97
In Stock
This shock-absorbing pin box works with your gooseneck hitch to give a smooth ride while you tow your fifth-wheel trailer. The all-in-1 box has no air bags to refill or small parts to replace ...
box. But adding a new component to your setup can keep your pin box from working how it was designed. King pin adapters can create a stiff ride and can even strain your fifth wheel's frame by adding
  • Lippert 1621HD
  • Lippert 1621
  • 30000 lbs GTW
  • Adapts Trailer
  • 5th Wheel Trailer to Gooseneck Hitch
  • Gen-Y Hitch
  • Replaces Pin Box
  • Shock Absorbing
  • No Extra Clearance

MORryde Cushioned 5th Wheel Pin Box for 14K to 18K Trailers w/ Lippert 1621 and 1621HD

Retail: $949.45
Our Price: $799.99
In Stock
Upgrade the factory pin box on your fifth-wheel trailer to this cushioned model that dampens road shock and reduces back-and-forth chucking for a more relaxed towing experience. Unlike air bags, the ...
installation no drilling required King pin sits in same location as factory king pin Made in the USA Specs: Application: 5th-wheel trailers with 14,001-lb - 18,000-lb GVWR (maximum loaded weight) Designed to
  • Lippert 1621
  • Lippert 1621HD
  • 21000 lbs GTW
  • Upgraded Pin Box
  • Reduces Chucking
  • MORryde
  • Rubber Spring Suspension

Convert-A-Ball Cushioned 5th-Wheel-to-Gooseneck Adapter w/ Offset - 12" to 16" Tall

Retail: $964.69
Our Price: $796.32
In Stock
Use your gooseneck hitch to tow your 5th-wheel trailer by hooking up with this coupler adapter. Poly cushions absorb shock for a smooth ride. Adjustable height fits multiple applications. Offset ...
any cushioned or air ride 5th wheel king pin. Finding the Correct Size Fifth-Wheel-to-Gooseneck Adapter After backing the vehicle under the trailer, measure from the top of the ball in the truck bed to
  • 20000 lbs GTW
  • Adapts Trailer
  • 5th Wheel Trailer to Gooseneck Hitch
  • Convert-A-Ball
  • Bolts Over King Pin
  • Shock Absorbing
  • Provides Extra Clearance

Ram Gooseneck to 5th Wheel Trailer Coupler Adapter Inner Tube - Square - 30,000 lbs

Our Price: $234.08
In Stock
King pin coupler allows you to pull your gooseneck trailer with a fifth-wheel hitch. The height easily adjusts to fit your application. Square inner tube.Features: Gooseneck-to-5th-wheel adapter lets you tow your gooseneck trailer with a 5th-wheel hitch Square inner tube fits most standard, square gooseneck outer tubes Adjustable height to fit your
  • 30000 lbs GTW
  • Adapts Trailer
  • Gooseneck Trailer to 5th Wheel Hitch
  • etrailer
  • Replaces Inner Tube
  • Not Shock Absorbing
  • No Extra Clearance

New Arrivals — From Our Shop to You!

Chosen by folks who live and breathe this, just like you.

New Arrivals — From Our Shop to You!

Chosen by folks who live and breathe this, just like you.

Kristin
Kristin etrailer team member
Kristin etrailer team member

15

Years

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589

Installations

15,864

Customers Helped

Any questions? Chat us from Missouri

Trailair Air Ride 5th Wheel Pin Box - Lippert 1116 - 21,000 lbs

Retail: $2,004.67
Our Price: $1,435.00
In Stock
Enjoy smooth, stable towing with your fifth-wheel trailer by replacing your ordinary pin box with this air-ride-equipped model. An internal air bag and built-in strut absorb road shock so that you ...
down Black powder coat provides rust resistance Sturdy steel construction King pin connects to any 5th-wheel trailer hitch Bolt-on installation with no assembly required Made in the USA Specs: Designed
  • Lippert 1116
  • 21000 lbs GTW
  • Upgraded Pin Box
  • Absorbs Road Shock and Reduces Chucking
  • Lippert
  • Air Ride Suspension

Gooseneck to 5th Wheel Trailer Coupler Adapter - Round - 30K

Retail: $188.28
Our Price: $178.07
In Stock
King pin coupler allows you to pull your gooseneck trailer with a fifth-wheel hitch. The height easily adjusts to fit your application. Round inner tube is included.Features: Gooseneck-to-5th-wheel adapter lets you tow your gooseneck trailer with a 5th-wheel hitch Round inner tube fits most standard, round gooseneck outer tubes Adjustable height to fit your
  • 30000 lbs GTW
  • Adapts Trailer
  • Gooseneck Trailer to 5th Wheel Hitch
  • etrailer
  • Replaces Inner Tube
  • Not Shock Absorbing
  • No Extra Clearance

Curt Flex Air 5th Wheel Pin Box - Lippert 1621 - 21,000 lbs

Retail: $2,062.95
Our Price: $1,666.69
In Stock
... . Replaces Lippert 1621 pin boxes. and tear on trailer Black powder coat provides rust resistance Sturdy steel construction King pin connects to any 5th-wheel trailer hitch Bolt-on installation with no assembly required Made in the USA
  • Lippert 1621
  • 21000 lbs GTW
  • Upgraded Pin Box
  • Absorbs Road Shock and Reduces Chucking
  • CURT
  • Air Ride Suspension

MORryde Cushioned 5th Wheel Pin Box for 18K to 23K Trailers w/ Lippert 1621SHD

Retail: $1,000.98
Our Price: $799.99
In Stock
Upgrade the factory pin box on your fifth-wheel trailer to this cushioned model that dampens road shock and reduces back-and-forth chucking for a more relaxed towing experience. Unlike air bags, the ...
installation no drilling required King pin sits in same location as factory king pin Made in the USA Specs: Application: 5th-wheel trailers with over 18,000-lb GVWR (maximum loaded weight) Designed to replace
  • Lippert 1621SHD
  • 23000 lbs GTW
  • Upgraded Pin Box
  • Reduces Chucking
  • MORryde
  • Rubber Spring Suspension

Gen-Y Hitch Shock Absorbing 5th Wheel Pin Box - Lippert 1621/1621HD - 30K - 4.5K TW

Our Price: $1,179.97
In Stock
This shock-absorbing pin box provides a smooth, safe ride while you tow your fifth-wheel trailer. The all-in-1 box has no air bags to refill or small parts to replace. 4.5K Pin weight. king pin, which connects to the fifth-wheel hitch in your truck bed. When your trailer bounces or jerks, the king pin will move accordingly. Built into the Gen-Y pin box are tubes with inner bars that
  • Lippert 1621
  • Lippert 1621HD
  • 30000 lbs GTW
  • Upgraded Pin Box
  • Absorbs Road Shock and Reduces Chucking
  • Gen-Y Hitch
  • Torsion Suspension

Ultra-Fab 5th Wheel King Pin Tripod Stabilizer - Steel - 37" to 50" - 5,000 lbs

Retail: $217.28
Our Price: $195.55
In Stock
Quickly and easily stabilize your unhitched fifth-wheel trailer with this sturdy steel tripod. Adjustable hitch cup makes setup a snap, and the included padlock provides an effective theft deterrent. unhitching your fifth-wheel trailer or RV, steady it with the Ultra-Fab tripod stabilizer. Simply position the tripod beneath your trailer's king pin and release the chain that holds the stabilizer hitch
  • 1 Jack
  • 4001 - 5000 lbs
  • 5th Wheel Camper
  • Tripod Jacks
  • Ultra-Fab Products
  • Manual Jack
  • Steel

Ranch Hitch Universal 5th-Wheel-to-Gooseneck Coupler Adapter w/8" Offset for Short-Bed Trucks

Retail: $634.99
Our Price: $599.98
In Stock
Don't say goodbye to your truck bed. Instead, say hello to the Ranch Hitch fifth-wheel-to-gooseneck coupler adapter. The 8" offset allows more clearance between truck and trailer for ...
versatility, this universal adapter converts a fifth-wheel king pin to a gooseneck coupler. This allows you to tow your fifth-wheel trailer without a bulky fifth-wheel hitch. The Ranch Hitch from Andersen
  • 24000 lbs GTW
  • Adapts Trailer
  • 5th Wheel Trailer to Gooseneck Hitch
  • Andersen
  • Bolts Over King Pin
  • Not Shock Absorbing
  • Provides Extra Clearance

Trimax King Pin Lock for 5th Wheel Trailers - Collar Style - Hardened Steel - Red

Our Price: $74.55
In Stock
Secure your fifth-wheel camper or utility trailer with this heavy-duty, hardened steel king pin lock. Fits over your trailer's king pin to prevent towaway theft. Full collar keeps your hands ...
Features: Lock secures your 5th-wheel trailer by preventing hookup Fast, easy, clean installation Full collar design keeps your hands clean as you slide lock over king pin Push-button lock activates
  • Red
  • Steel
  • Trimax Locks
  • Keyed Unique

Trimax King Pin Lock for 5th Wheel Trailers - Collar Style - Hardened Steel - Yellow

Retail: $72.99
Our Price: $52.04
In Stock
Secure your fifth-wheel camper or utility trailer with this heavy-duty, hardened steel king pin lock. Fits over your trailer's king pin to prevent towaway theft. Full collar keeps your hands ...
Features: Lock secures your 5th-wheel trailer by preventing hookup Fast, easy, clean installation Full collar design keeps your hands clean as you slide lock over king pin Push-button lock activates
  • Yellow
  • Steel
  • Trimax Locks
  • Keyed Unique

Shocker 5th Wheel to Gooseneck Pinbox for Lippert 1621/0719 and Rhino Box - 24K GTW - 6K TW

Retail: $1,799.98
Our Price: $1,629.98
Tow your fifth-wheel trailer with your gooseneck hitch and get the smooth ride that only an air-ride-equipped coupler can deliver. This goosebox and coupler adapter kit has a built-in air bag and ...
Features: 5th-Wheel-to-gooseneck adapter kit lets you tow your 5th-wheel trailer with your gooseneck hitch Heavy-duty goosebox replaces Lippert 1621, 0719 or Rhino pin boxes Coupler attaches to your
  • Lippert 1621
  • Lippert 0719
  • Lippert Rhino
  • 24000 lbs GTW
  • Adapts Trailer
  • 5th Wheel Trailer to Gooseneck Hitch
  • Shocker Hitch
  • Replaces Pin Box
  • Shock Absorbing
  • No Extra Clearance

Gooseneck to 5th Wheel Trailer Coupler Adapter - Inner Tube - Square - 25,000 lbs

Our Price: $201.64
In Stock
King pin coupler allows you to pull your gooseneck trailer with a fifth-wheel hitch. The height easily adjusts to fit your application. Square inner tube is included.Features: Gooseneck-to-5th-wheel adapter lets you tow your gooseneck trailer with a 5th-wheel hitch Square inner tube fits most standard, square gooseneck outer tubes Adjustable height to fit your
  • 25000 lbs GTW
  • Adapts Trailer
  • Gooseneck Trailer to 5th Wheel Hitch
  • etrailer
  • Replaces Inner Tube
  • Not Shock Absorbing
  • No Extra Clearance

etrailer 5th Wheel King Pin Lock - Keyed Alike

Retail: $43.43
Our Price: $28.74
In Stock
King pin lock deters towaway theft of your fifth-wheel trailer. Heavy-duty aluminum collar fits around your trailer's king pin and secures with the chrome-plated, pick-proof steel lock. Can be ...
Features: Heavy-duty king pin lock deters theft of your 5th-wheel trailer Aircraft-grade aluminum collar fits around the king pin Pick-proof steel locking pin secures the collar in place Rubber end
  • Silver
  • Aluminum
  • etrailer
  • Keyed Alike

Ultra-Fab 5th Wheel King Pin Tripod Stabilizer - Aluminum - 34" to 52" - 1,200 lbs

Retail: $348.77
Our Price: $313.89
In Stock
Quickly and easily stabilize your unhitched fifth-wheel trailer with this rustproof, lightweight aluminum tripod. Adjustable hitch cup makes setup a snap, and the included padlock provides an ...
warranty After unhitching your fifth-wheel trailer or RV, steady it with the Ultra-Fab tripod stabilizer. Simply position the tripod beneath your trailer's king pin and release the chain that holds the
  • 1 Jack
  • 1001 - 2000 lbs
  • 5th Wheel Camper
  • Tripod Jacks
  • Ultra-Fab Products
  • Manual Jack
  • Aluminum

Curt Flex Air 5th Wheel Pin Box - Lippert 1621 - 18,000 lbs

Retail: $2,176.04
Our Price: $1,672.09
In Stock
... . Replaces Lippert 1621 pin boxes. and tear on trailer Black powder coat provides rust resistance Sturdy steel construction King pin connects to any 5th-wheel trailer hitch Bolt-on installation with no assembly required Made in the USA
  • Lippert 1621
  • 18000 lbs GTW
  • Upgraded Pin Box
  • Absorbs Road Shock and Reduces Chucking
  • CURT
  • Air Ride Suspension

Ultra-Fab Economy 5th Wheel King Pin Tripod Stabilizer - Steel - 31" to 54" - 5,000 lbs

Retail: $162.16
Our Price: $131.79
Quickly and easily stabilize your unhitched fifth-wheel trailer with this sturdy steel tripod. Adjustable hitch cup makes setup a snap. the cup is sufficiently snug against the fifth-wheel king pin. Once everything is in place your trailer will be stable and supported.
  • 1 Jack
  • 4001 - 5000 lbs
  • 5th Wheel Camper
  • Tripod Jacks
  • Ultra-Fab Products
  • Manual Jack
  • Steel

MORryde Cushioned 5th Wheel Pin Box for 18K to 21K Trailers w/ Lippert Rhino

Retail: $899.99
Our Price: $799.99
In Stock
Upgrade the factory pin box on your fifth-wheel trailer to this cushioned model that dampens road shock and reduces back-and-forth chucking for a more relaxed towing experience. Unlike air bags, the ...
installation no drilling required King pin sits in same location as factory king pin Made in the USA Specs: Application: 5th-wheel trailers with over 18,000-lb GVWR (maximum loaded weight) Designed to replace
  • Lippert Rhino
  • 24000 lbs GTW
  • Upgraded Pin Box
  • Reduces Chucking
  • MORryde
  • Rubber Spring Suspension

Curt Flex Air 5th Wheel Pin Box - Lippert Rhino - 21,000 lbs

Retail: $1,993.83
Our Price: $1,974.80
In Stock
... . Replaces Lippert Rhino pin boxes. and tear on trailer Black powder coat provides rust resistance Sturdy steel construction King pin connects to any 5th-wheel trailer hitch Bolt-on installation with no assembly required Made in the USA
  • Lippert Rhino
  • 21000 lbs GTW
  • Upgraded Pin Box
  • Absorbs Road Shock and Reduces Chucking
  • CURT
  • Air Ride Suspension

MORryde Cushioned 5th Wheel Pin Box for Trailers under 11,500 w/ Lippert Rhino

Retail: $899.99
Our Price: $797.79
In Stock
Upgrade the factory pin box on your fifth-wheel trailer to this cushioned model that dampens road shock and reduces back-and-forth chucking for a more relaxed towing experience. Unlike air bags, the ...
installation no drilling required King pin sits in same location as factory king pin Made in the USA Specs: Application: 5th-wheel trailers with 11,500-lb or less GVWR (maximum loaded weight) Designed to replace
  • Lippert Rhino
  • 11500 lbs GTW
  • Upgraded Pin Box
  • Reduces Chucking
  • MORryde
  • Rubber Spring Suspension