Best Air Ride Pin Box for 5th Wheel: 5 Options Compared

Towing a fifth wheel can be a rough ride without the right setup. An air ride pin box absorbs road shock and reduces that annoying chucking between your truck and trailer.

This guide compares five top-rated air ride pin boxes to help you choose the best one for your rig. We look at capacity, compatibility, and key features so you can tow with confidence and comfort.

REESE 94920 Goose Box – Air Ride with Goose Ball

The REESE Goose Box is a unique pin box that replaces your standard kingpin and connects directly to a goose ball in your truck bed. This frees up bed space for cargo while providing air ride comfort. With a 20,000 lb. capacity, it handles large fifth wheels easily. The integrated airbag, dual shocks, and rubber springs work together to smooth out bumps and reduce chucking.

This model fits Lippert 1621, 1716, 0719, Rhino, and Fabex PB 600 series trailers. Installation is straightforward, and the air ride system is pre-assembled inside the unit. You simply adjust the air pressure to match your trailer weight. If you want a clean truck bed and a smoother ride, this is a smart upgrade.

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• MAXIMUM STRENGTH: Enjoy towing nearly any size fifth wheel trailer without worry thanks to the Goose Box’s robust design. With a maximum capacity of 20,000 lbs. this premium goosebox pin box has the strength and stability to haul some of the heaviest loads around.
• AIRBAG TECHNOLOGY: Enjoy premium comfort when towing thanks to the Goose Box’s air ride technology. Its easy-to-fill airbag, dual shocks, and rubber springs, all located inside the belly of the box, aid in absorbing the shocks and bumps felt with many other towing setups. These unique features make your ride smoother and more comfortable. The airbag can be filled easily through the air manifold – or fill spot – located on the top of the Goose Box, while the automatic relief valve prevents overfilling.
• CLEAN TRUCK BED: This premium goosebox replacement pin box attaches to your fifth wheel trailer and connects to the goose ball in the bed of your truck, giving you more space for storing, traveling, or hauling when you’re not towing. Simply remove the goose ball and your bed is clean!
• VERSATILE: The REESE Goose Box pin box is compatible with a wide range of trailers, including the Lippert 1621, 1716, 0719, Fabex PB 600 Series, as well as those with the Lippert Rhino bolt hole pattern. It also offers more vertical flexibility, giving you increased height adjustment for taller truck beds.
• TESTED AND BACKED FOR LIFE: The Goose Box from REESE is inspected for quality and workmanship and is tested to exceed SAE J2638 standards, providing peace of mind that your connections are safe and secure. Plus, it's backed by a limited lifetime warranty from THE most recognized brand in RV towing since 1952.

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CURT L05 Air Ride 21K – High Capacity Smoothing

The CURT L05 Air Ride pin box from Lippert Components is built for heavy-duty towing with a 21,000 lb. rating. It replaces the common Lippert 1621 pin box and uses an internal airbag with a built-in strut to reduce chucking, jarring, and bouncing. The black powder coat finish resists corrosion and looks great on any trailer.

This model is designed to absorb road shock and vibrations that can damage your RV over time. The airbag acts as a buffer between your truck and trailer, smoothing out the ride for both you and your cargo. Installation is a direct replacement for compatible Lippert frames. If you need maximum capacity and proven Trailair technology, this is a solid option.

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• Air Ride pin boxes by Trailair, the original air ride suspension solution for RV fifth-wheels, improves the towing experience by reducing road shock vibrations and chucking
• Replaces Lippert 1621 pin box
• 21,000-pound capacity
• Reduces road shock and vibration; Trailair by Lippert Components Air Ride Pin Box
• Helps control chucking

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Lippert Trailair Air Ride 18K – Smooth for Mid-Size RVs

The Lippert Components Trailair Air Ride pin box is rated for 18,000 lbs., making it ideal for mid-size fifth wheels. It reduces chucking and the vertical tug-of-war between your RV and tow vehicle. The integrated airbag absorbs road shock and vibrations that can cause wear and tear on your camper.

A durable rubberized compound provides an extra buffer to protect your RV from jarring motion. This model is a direct replacement for many Lippert frames and is easy to install. The black powder coat finish adds durability and a clean look. If you tow a lighter fifth wheel and want proven air ride technology, this is a reliable choice.

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• Reduce chucking and vertical tug-of-war between a fifth-wheel RV and tow vehicle
• Durable rubberized compound provides an additional buffer to help protect the RV from jarring motion
• Integrated air bag acts as a buffer between the tow vehicle and coach to absorb road shock and vibrations that can damage an RV

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Shocker Quick Air Ride – Adjustable for Lippert 1621

The Shocker Quick Air Ride pin box comes with a kingpin and fits Lippert 1621, 0719, RhinoBox, Flexair, Rota-Flex, and L05 frames. It has a 24,000 lb. GTW capacity and features a patent-pending air ride system that sits inside the pin box. You can adjust the air pressure to fine-tune the ride for your specific tow weight.

This design reduces stress, breakage, and wear on your truck, camper, and cargo. The air ride system works with a standard bed fifth wheel hitch. It has been tested for smooth towing performance and is built to last. If you want an adjustable air ride system that fits many popular frames, this is a versatile choice.

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• 5th Wheel Air Ride Pin Box with Kingpin: Includes Replacement Pin Box & Shocker Air Hitch® with Kingpin for Camper that works in conjunction with a bed 5th Wheel Hitch. Patent Pending & Current Patent #'s 11,370,257 B1 & D898,628. Quick & Easy Install – Replaces for Factory Pin Box in Minutes: Completely replaces your factory 5th wheel pin box with an air ride pin box. Installs in Minutes.
• Reduces Stress, Breakage, Wear & Tear on Truck, Camper, Cargo & Equipment: An air ride hitch reduces wear and tear on the driveline and camper frame. Less stress means less wear and tear on both the tow vehicle and the trailer frame and welds. It?s a must have for newer trailers with aluminum frames that tend to crack because of rough roads and a traditional hard truck to trailer connection. An air ride hitch will greatly reduce the chances of frame cracking and breaking.
• Adjustable for Tow Weight & Fine Tune for Best Ride & Load Control: The air ride system sits inside the pin box and out of the way. You will find the advantage of the Air Shocker is your ability to adjust air pressure for best ride and load control. Add or reduce air pressure depending on weight. Shock Dampening & Absorbing Action: Effectively absorbs the jerking, tugging, bumps and damaging forces experienced when towing on rough roads or concrete highways with a typical hard connection when towing 5th wheel camper trailers. There is no reason to beat yourself or your camper up with a hard connection.
• Tested, Trusted & Proven for Smooth Towing Performance: This air ride pin box has been tested and proven to provide better shock absorption and dampening on the tow vehicle, connection and camper trailer. An air spring bag is the best cushioning devices on the planet for towing. Hitches with rubber or urethane type cushions do absorb and dampen, just not near as effectively or consistently as an air hitch. Improves Safety & Control: By giving you improved control of your tow vehicle & camper trailer. The surge air hitch allows for better control of pickup & trailer. Saves Fuel: Customer's report they save as much as 1 mile or more per gallon.
• Fits Lippert 1621 0719 RhinoBox FlexAir Rota-Flex & L05 – 12" Wide Pin Box (Also Fits Helux) – Includes replacement pin box with surge air hitch with built in air ride system & 24,000 lb rated kingpin for 5th wheel campers. Does Not Include Pin Box Mount Bolts (Existing Bolts are used for installation). Fits 5th Wheel Hitches: Features a kingpin to close to our factory location for easy hookup to the 5th wheel hitch in your truck bed.

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Shocker Quick Air Ride – Fits Lippert 1116 and FabEx

This Shocker Quick Air Ride pin box is designed for Lippert 1116, 0115, FabEx 500/503/520/530/560, and RBW7028 frames. It also has a 24,000 lb. GTW capacity and includes a kingpin. The air ride system is housed inside the pin box, keeping it out of the way while providing a smooth tow.

You can adjust the air pressure to match your load, reducing stress on your truck and camper. The system has been tested for reliable performance and helps prevent damage from road shock. If you have a compatible frame and want a high-capacity air ride solution, this model offers the same proven technology as its counterpart.

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• 5th Wheel Air Ride Pin Box with Kingpin: Includes Replacement Pin Box & Shocker Air Hitch® with Kingpin for Camper that works in conjunction with a bed 5th Wheel Hitch. Patent Pending & Current Patent #'s 11,370,257 B1 & D898,628. Quick & Easy Install – Replaces for Factory Pin Box in Minutes: Completely replaces your factory 5th wheel pin box with an air ride pin box. Installs in Minutes.
• Reduces Stress, Breakage, Wear & Tear on Truck, Camper, Cargo & Equipment: An air ride hitch reduces wear and tear on the driveline and camper frame. Less stress means less wear and tear on both the tow vehicle and the trailer frame and welds. It?s a must have for newer trailers with aluminum frames that tend to crack because of rough roads and a traditional hard truck to trailer connection. An air ride hitch will greatly reduce the chances of frame cracking and breaking.
• Adjustable for Tow Weight & Fine Tune for Best Ride & Load Control: The air ride system sits inside the pin box and out of the way. You will find the advantage of the Air Shocker is your ability to adjust air pressure for best ride and load control. Add or reduce air pressure depending on weight. Shock Dampening & Absorbing Action: Effectively absorbs the jerking, tugging, bumps and damaging forces experienced when towing on rough roads or concrete highways with a typical hard connection when towing 5th wheel camper trailers. There is no reason to beat yourself or your camper up with a hard connection.
• Tested, Trusted & Proven for Smooth Towing Performance: This air ride pin box has been tested and proven to provide better shock absorption and dampening on the tow vehicle, connection and camper trailer. An air spring bag is the best cushioning devices on the planet for towing. Hitches with rubber or urethane type cushions do absorb and dampen, just not near as effectively or consistently as an air hitch. Improves Safety & Control: By giving you improved control of your tow vehicle & camper trailer. The surge air hitch allows for better control of pickup & trailer. Saves Fuel: Customer's report they save as much as 1 mile or more per gallon.
• Fits Lippert 1116 0115 FabEx500 503 520 530 560 RBW7028 – 12.5" Wide Pin Box (Also Fits M19 Rota-Flex (Doesn't Fit 1716) – Includes replacement pin box with surge air hitch with built in air ride system & 24,000 lb rated kingpin for 5th wheel campers. Does Not Include Pin Box Mount Bolts (Existing Bolts are used for installation). Fits 5th Wheel Hitches: Features a kingpin to close to our factory location for easy hookup to the 5th wheel hitch in your truck bed.

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Buyer’s Guide: What to Consider

Consider these key factors when choosing an air ride pin box to ensure a safe, comfortable towing experience.

• Weight Capacity: Match the pin box's GTW rating to your trailer's gross weight. Overloading can cause failure and unsafe towing.
• Frame Compatibility: Ensure the pin box fits your trailer's frame pattern (e.g., Lippert 1621, 0719, FabEx). Check manufacturer specs.
• Air Ride Type: Some models use internal airbags with shocks, others use rubber springs. Choose based on desired damping and adjustability.
• Installation Ease: Most are direct replacements, but some may require professional installation. Consider your DIY skill level.
• Truck Bed Setup: Goose box models free up bed space but need a goose ball. Standard pin boxes work with a fifth wheel hitch.

Conclusion

Choosing the right air ride pin box can transform your towing experience by reducing chucking and road shock. The REESE Goose Box is perfect if you want a clean truck bed, while the CURT L05 and Trailair models offer proven reliability for heavy and mid-size trailers.

For adjustable air pressure and high capacity, the Shocker Quick Air Ride models are versatile options. Match your trailer’s weight and frame to the right pin box, and you’ll enjoy a smoother, more comfortable ride every time you hit the road.