Lippert 5th Wheel Pin Box

The Lippert 5th Wheel Pin Box is a solid upgrade for RV owners looking to reduce chucking, improve ride quality, and add stability during towing.

4.3

HitchHaven score4.3 out of 5 · our editorial rating

Heavy-duty steel construction with powder-coat finish
Compatible with standard 20K and 21K fifth wheel kingpins
Integrated shock-absorbing design reduces road shock and chucking
Bolt-on or weld-on mounting options available
Pre-drilled mounting holes for simplified installation
Optional air/equalizer or solid mount configurations

Check price on Amazon

As an Amazon Associate we earn from qualifying purchases. Price and availability are shown on Amazon.

Overview Specs Pros & cons Full review Related

The verdict

The Lippert 5th Wheel Pin Box is a solid upgrade for RV owners looking to reduce chucking, improve ride quality, and add stability during towing. While installation complexity and price vary by model (solid vs. air-ride), the overall build quality and performance improvement make it a worthwhile investment for frequent travelers hauling heavier fifth wheels.

Spec plate

Weight Capacity: 20,000-21,000 lbs
Material: Powder-coated steel
Mounting Type: Bolt-on or weld-on
Mount Style Options: Solid or air-ride equalizer
Kingpin Compatibility: Standard 3-inch kingpin

Pros & cons

What we like

Significantly reduces hitch chucking and jarring on rough roads
Durable steel build handles heavy trailer loads reliably
Fits a wide range of Lippert-compatible chassis setups
Improves overall towing stability at highway speeds
Reasonably straightforward installation with included hardware
Backed by Lippert's reputation for RV running gear

What to watch

Installation can require drilling or welding depending on model
Heavier than stock pin boxes, adding tongue weight
Air-ride versions cost significantly more than solid mounts
Some owners report squeaking after extended use without lubrication
Limited adjustability once mounted to the chassis

Full review

The Lippert 5th Wheel Pin Box is a precision-engineered towing component designed to connect your fifth wheel RV directly to the hitch in your truck bed, replacing bulky traditional kingpin setups with a sleeker, more integrated solution. Built from heavy-gauge steel and finished with a durable powder coat, it withstands the stress of constant towing, weather exposure, and the vibration of long highway miles without compromising structural integrity. Many models in the Lippert lineup, including their popular Enclosed and Center Point options, are engineered to reduce road noise and chucking—the jarring back-and-forth motion that occurs when towing over uneven pavement—making for a noticeably smoother ride both for the driver and anything stored inside the camper.

What sets this pin box apart is its focus on weight distribution and articulation. Lippert designed these units with pivoting or articulating joints that allow the RV to move independently from the truck bed during turns, braking, and uneven terrain, which in turn reduces strain on the frame and the hitch components themselves. This added flexibility not only extends the lifespan of your towing setup but also improves overall handling, giving drivers more confidence when navigating tight campground turns, highway merges, or unexpected road conditions. Some versions also include integrated air suspension or rubber bushings that further absorb shock, which is especially valuable for RVers who log thousands of miles per season.

Installation is straightforward for most owners with basic mechanical knowledge, and Lippert provides bolt-pattern compatibility with a wide range of fifth wheel frames, making it a popular upgrade or replacement part for existing rigs. Beyond performance, the pin box contributes to safety by maintaining consistent coupling height and reducing the risk of disconnection or excessive sway during transit. For full-time RVers, weekend campers, and anyone hauling a fifth wheel regularly, this product represents a practical investment in smoother towing, reduced mechanical wear, and peace of mind on every trip down the road.

See Lippert 5th Wheel Pin Box on Amazon