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5th wheel pin boxes feature unique techonogy that improves your tow.5th wheel pin boxes feature unique techonogy that improves your tow.

5th Wheel Pin Boxes

CURT 5th wheel pin boxes are packed with strength and advanced technology to offer superior comfort and confidence when towing your heavy-duty trailer. We offer a variety of styles and weight capacity options to ensure the perfect complement to your 5th wheel trailer, including innovative designs like our cushioned, shock-absorbing kingpin boxes. CURT also offers pin boxes for 5th wheel towing that feature advanced shock-absorbing Air Ride™ technology.

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Curt Rota-Flex™ Pin Box - 21,000 Lbs. View Product
Curt™ Curt Rota-Flexâ„¢ Pin Box - 21,000 Lbs.
$ 965.95
CURT L05 Rota-Flex™ Pin Box - 18,000 lbs View Product
Curt™ CURT L05 Rota-Flexâ„¢ Pin Box - 18,000 lbs
$ 853.95
CURT L05 Rota-Flex™ SHD Pin Box - 21,000 lbs View Product
Curt™ CURT L05 Rota-Flexâ„¢ SHD Pin Box - 21,000 lbs
$ 940.95
CURT M15 Flex Air® Pin Box - 18,000 lbs View Product
Curt™ CURT M15 Flex Air® Pin Box - 18,000 lbs
$ 1,777.95
CURT L05 Flex Air® Pin Box - 18,000 lbs View Product
Curt™ CURT L05 Flex Air® Pin Box - 18,000 lbs
$ 1,863.95
CURT M15 Air Ride™ Pin Box - 18,000 lbs View Product
Curt™ CURT M15 Air Rideâ„¢ Pin Box - 18,000 lbs
$ 1,503.95
Gooseneck Connect™ 21K View Product
Lippert™ Gooseneck Connectâ„¢ 21K
$ 1,078.95
CURT L05 Air Ride™ Pin Box - 21,000 lbs View Product
Curt™ CURT L05 Air Rideâ„¢ Pin Box - 21,000 lbs
$ 1,524.95
CURT Flex Air® Pin Box - 21, 000 Lbs. View Product
Curt™ CURT Flex Air® Pin Box - 21, 000 Lbs.
$ 1,876.95
CURT Air Ride™ Pin Box - 21,000 Lbs. View Product
Curt™ CURT Air Rideâ„¢ Pin Box - 21,000 Lbs.
$ 1,540.95
M15 Extended Pin Box - 15,500 lbs View Product
Lippert™ M15 Extended Pin Box - 15,500 lbs
$ 798.95
CURT L05 Flex Air® 5th Wheel Pin Box - 21,000 lbs. View Product
Curt™ CURT L05 Flex Air® 5th Wheel Pin Box - 21,000 lbs.
$ 2,008.95
CURT makes 5th wheel pin boxes in a variety of styles to work with your truck and towing preferences.CURT makes 5th wheel pin boxes in a variety of styles to work with your truck and towing preferences.

Find a 5th Wheel Pin Box You Can Trust

A 5th wheel kingpin is a key component in your towing connection, and having the right pin box on your trailer is vital for ensuring the strength and reliability of that connection. If you're looking for solutions to 5th wheel chucking, read our How to Correct 5th Wheel Chucking guide for how to correct chucking. 

Our pin boxes are engineered and tested for heavy-duty towing applications. They are constructed from high-strength steel, providing a rock-solid foundation. Most of our pin boxes are adjustable to fit your unique RV or other trailer, and they are available in a range of weight capacities.

To enjoy more comfort and control while towing your 5th wheel rig, we also offer shock-absorbing 5th wheel boxes, featuring built-in cushion isolators and shock-absorbers to reduce jerking, jarring and vibrations coming from the trailer.

Whether you’re pulling your 5th wheel camper across the country on another road trip adventure or towing machinery to the next jobsite, our 5th wheel pin boxes are built to go the distance and instill confidence with every mile.

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