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- Cross-reference Part #: 90300985
- Gas shock and air bag combination absorb road shock and control fore to aft coach movement, otherwise known as chucking
- Protects from damage caused by road shock and vibrations potentially saving owners costly repairs
- Improves ride and reduces driver fatigue
The Trailair® Air Ride™ Pin Box acts as a buffer between the tow vehicle and RV, arresting the impact of road shock and stabilizing the towing performance. How? Simple — the unique scissor action allows the air bag to absorb road shock and vibration while the gas shock handles the rebound or bounce effect, giving RVers a better, smoother ride.
- 21,000lbs tow capacity
- Unique scissor action allows the air bag to absorb road shock and vibration
- Gas shock handles the rebound or bounce effect
| Material | Gas shock and air bag combination |
|---|---|
| Width (inches) | 20 |
| Height (inches) | 26 |
| Length (inches) | 40 |
| Tow capacity (pounds) | 21000 |
| Physical weight (pounds) | 200.64 |
| Dimensional weight (pounds) | 125.3 |
- What is the tow capacity of the curt l03 air ride pin box? The Curt L03 Air Ride Pin Box has a tow capacity of 21,000 lbs.
- How does the curt l03 air ride pin box improve the ride quality? It uses a combination of a gas shock and air bag to absorb road shock and control fore to aft coach movement, which reduces vibrations and chucking, resulting in a smoother ride and less driver fatigue.
- What is the purpose of the gas shock in this pin box? The gas shock handles the rebound or bounce effect after the air bag absorbs road shock and vibrations.
- What are the dimensions of the curt l03 air ride pin box? The pin box measures 40 inches in length, 20 inches in width, and 26 inches in height.
- Can this pin box help protect my rv from road damage? Yes, the air ride pin box acts as a buffer to absorb road shock and vibrations, which helps protect your RV from potential damage and costly repairs.
Factory-Fresh OEM Parts — the same brands installed in new RVs straight from Elkhart. Genuine, name-brand components made to order — never generic, never outdated. Sourced directly from the original RV manufacturers for perfect fit and factory-level quality.




