Air Suspension Compressor Check Valve Repair Kit — Land Rover Discovery 3 / 4 L319 | OEM RQQ500016
Fix Air Suspension Pressure Loss on Your Land Rover Discovery 3 or 4 — Check Valve Repair Kit.
A failed check valve in the air suspension compressor on Land Rover Discovery 3 and Discovery 4 (L319) causes air pressure loss after the engine is switched off — leading to suspension sagging overnight. This repair kit restores correct check valve function in the compressor assembly RQQ500016.
Compatible Compressors
RQQ500016 — and compatible Hitachi compressor variants
OEM Reference
- RQQ500016
- LR010376 (check valve cross-reference)
Vehicle Compatibility
Land Rover Discovery 3 L319 (2004–2009), Discovery 4 L319 (2009–2016)
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