X8R Ltd is a British company completely dedicated to providing high quality improved design vehicle components; correcting original manufacturers design faults. We take the common faults associated with a variety of vehicle manufacturer’s parts and re-design and manufacture parts that will not fail again or that will prevent damage to vehicles.
Noisy suspension? Is your vehicles air suspension rising slowly or perhaps failing to rise at all? Red Air Suspension Light lit? 1772 - Pressure problems, 1400 - Control position not adjustable, 1577 - Can't raise, errors shown?


The poor quality piston ring within your air suspensions compressor wears over time causing these symptoms. The piston ring within the compressor unit of your air suspension system deteriorates over time, the OEM piston ring is made from a soft plastic that wears quickly, this wear substantially reduces the output of your compressor leading to noisy, slow rising or non-rising suspension.


Simply install our replacement PTFE piston ring and restore your compressor, full instructions are included to guide you through this simple process which should take under 30 minutes. Our item is made from PTFE which has far superior wear resistance compared to the OEM part providing a permanent fix to the problems with your compressor.

WABCO AIR SUSPENSION COMPRESSOR PISTON RING SEAL REPAIR Installation Instructions - YouTube
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Land Rover Range Rover MK 3 - L322 between 2002-2005 (see our other listings for later models)
Landrover Discovery II 2 models between 1998-2004
Associated part numbers, our kit will only repair Wabco compressors.
Official Compressor: RQG500110 (LR010375), RQG500140 (LR015089) Official Air Supply Unit: RQL000014 (37.22-6753864) Wabco: 415 403 300 0, 415 403 108 0. Official Compressor: RQG500130 Official Air Supply Unit: RQG100041 Wabco: 415 403 401 0, 415 403 925 2

1x PTFE Piston ring
1x O shaped gasket o-ring
1x Shaped gasket o-ring
2x Screws
4x Cable ties