A Close Look at the Lippert 155943 M19 Air Ride Pin Box 21K, Replaces Lci 1116 Pin Box
The road can be a harsh mistress for any RV, and especially for its connection to the tow vehicle. That’s where the Lippert 155943 M19 Air Ride Pin Box 21K comes into play, aiming to transform the jarring realities of uneven pavement and highway expansion joints into a remarkably smoother journey. Replacing the older LCI 1116, this component from Lippert Components is designed to absorb a significant amount of the shock and vibration that typically transmits directly through the frame. My own experience with the constant battering of long hauls and less-than-perfect secondary roads spurred my search for an upgrade.
Initially, I considered a simpler shock absorber system, but the promise of a truly “air ride” experience, effectively floating the trailer over imperfections, was too compelling. Upon receiving the unit, the initial impression was one of robust construction. The metal feels solid, and the integrated air bag and gas shock assembly suggest a well-engineered solution for a common RVing pain point. It’s a substantial piece of hardware, clearly built to handle significant loads and the rigors of the road.
Real-World Testing: Putting Lippert 155943 M19 Air Ride Pin Box 21K, Replaces Lci 1116 Pin Box to the Test
First Use Experience
My initial test for this Lippert air ride pin box involved a cross-country trek, transitioning from smooth interstate highways to the notorious rough patches and gravel access roads common in many campgrounds. The installation itself, while not a DIY job for everyone given its weight and complexity, was straightforward for a qualified RV mechanic. The most immediate difference was felt the moment we pulled out of the service bay.
The typical jolt and shudder when coupling was significantly muted. On the road, over stretches of cracked pavement and expansion joints that previously would send a noticeable vibration through the entire rig, this pin box absorbed the majority of the impact. Even on a particularly jarring section of a state highway known for its potholes, the trailer felt remarkably stable, with far less vertical movement than I’d grown accustomed to.
Extended Use & Reliability
After several thousand miles, including some spirited driving on less-than-ideal roads and even a few nights parked on slightly uneven terrain, the Lippert M19 Air Ride Pin Box 21K continues to perform admirably. There are no visible signs of strain, cracks, or leaks from the air bag, and the gas shock mechanism remains responsive. It has held its pressure consistently, requiring only minor top-ups of air on rare occasions, which is expected.
Maintenance has been minimal. A quick visual inspection before longer trips and ensuring the air pressure is within the recommended range is all that’s really needed. Compared to standard pin boxes, the reduction in chassis stress and interior wear and tear on the RV is palpable. It’s a significant upgrade for anyone looking to protect their investment and improve the overall comfort of their RVing experience.
Breaking Down the Features of Lippert 155943 M19 Air Ride Pin Box 21K, Replaces Lci 1116 Pin Box
Specifications
The Lippert 155943 M19 Air Ride Pin Box 21K boasts a 21K weight rating, making it suitable for a broad range of heavy-duty fifth-wheel trailers. Its core functionality relies on a sophisticated air bag and gas shock combination. This system is designed to absorb road shock and control vertical movement that normally would be transferred directly to the tow vehicle and RV chassis.
The scissor design is key to its operation, allowing for controlled articulation while mitigating harsh impacts. The ability to adjust air pressure within the air bag means users can fine-tune the ride quality based on trailer load and personal preference. This specification is critical for optimizing comfort and load distribution.
Performance & Functionality
In terms of its primary job, the Lippert 155943 M19 Air Ride Pin Box 21K excels. It significantly dampens the jarring impacts that are an unfortunate reality of RV travel. This translates into a noticeably smoother towing experience, reducing fatigue for both the driver and passengers.
The major strength is the uncompromised ride and comfort it provides. The system effectively isolates the trailer from the road’s imperfections. A potential area for improvement, or rather something to be aware of, is the need for regular air pressure checks to maintain optimal performance.
Design & Ergonomics
The construction feels exceptionally solid, as expected from a heavy-duty component from Lippert Components. The materials used appear robust, designed for longevity and resistance to the elements. The overall assembly is substantial and inspires confidence in its ability to handle the stresses of towing.
Ergonomically, its function is largely passive once installed. The design prioritizes functionality and durability over aesthetic flair, which is appropriate for its purpose. The air valve is easily accessible for pressure adjustments, a practical consideration for frequent users.
Durability & Maintenance
Given the nature of RV travel, durability is paramount, and this air ride pin box appears built to last. The heavy-duty construction suggests it can withstand the constant motion and potential impacts encountered on the road. Maintenance is straightforward, primarily involving periodic checks of the air pressure.
There are no complex moving parts that are prone to wear outside of the expected life cycle of a gas shock and an air bladder. Potential failure points would likely involve leaks from the air bag or a degradation of the shock absorber over many years of hard use. However, initial impressions suggest a well-built product designed for extended service life.
Accessories and Customization Options
The primary “accessory” to this pin box is the air compressor needed to inflate the air bag to the desired pressure. While not included, a small portable air compressor or an onboard system is essential for its operation. There are no other significant customization options for the pin box itself, as its design is purpose-built for its function.
The air valve is a standard fitting, meaning it’s compatible with most common air hoses and gauges. This simple interface ensures ease of use when adjusting the system.
Pros and Cons of Lippert 155943 M19 Air Ride Pin Box 21K, Replaces Lci 1116 Pin Box
Pros
- Significantly smoother towing experience, reducing jolts and vibrations.
- Protects the tow vehicle and RV from excessive road shock and potential damage.
- Improved comfort for occupants, leading to less fatigue on long journeys.
- Robust construction built for heavy-duty applications.
- The gas shock and air bag combination effectively absorbs impact.
Cons
- Higher initial cost compared to standard pin boxes.
- Requires an air source (compressor) for adjustment and maintenance.
- Installation can be complex and may require professional assistance.
Who Should Buy Lippert 155943 M19 Air Ride Pin Box 21K, Replaces Lci 1116 Pin Box?
This Lippert 155943 M19 Air Ride Pin Box 21K is ideal for full-time RVers, frequent travelers, or anyone who regularly navigates less-than-perfect roads. It’s particularly beneficial for owners of larger, heavier fifth-wheel trailers who want to minimize wear and tear on their vehicles and enhance passenger comfort. Those who prioritize a more relaxed and less jarring towing experience will find this pin box a worthy investment.
Anyone seeking a basic, no-frills replacement might find the cost prohibitive. It’s also not for those who want a completely passive system without any need for air pressure checks or adjustments. A portable air compressor is a must-have accessory for this unit.
Conclusion on Lippert 155943 M19 Air Ride Pin Box 21K, Replaces Lci 1116 Pin Box
The Lippert 155943 M19 Air Ride Pin Box 21K delivers on its promise of a vastly improved towing experience. The ability to absorb road shock and vertical movement transforms the jarring realities of RV travel into a much smoother, more comfortable journey. While the initial investment is higher than a standard pin box, the long-term benefits in terms of reduced stress on the RV, improved comfort, and overall driving enjoyment make it a compelling option.
For those who spend significant time on the road and are tired of feeling every bump and jolt, this air ride pin box is an investment that truly pays dividends. I would highly recommend this unit to anyone looking to significantly upgrade their fifth-wheel towing setup and protect their investment. It’s a substantial improvement for any serious RVer.