Reinforced Supercharger Coupling – Land Rover / Jaguar 3.0L | OEM LR059341 LR088538Reinforced Supercharger Coupling Land Rover Jaguar 3. 0L OEM LR059341 LR088538 C2D40425 Restore Supercharger Drive on Your Land Rover or Jaguar 3. 0L Reinforced Coupling Repair Kit. The OEM plastic supercharger coupling on Land Rover and Jaguar 3. 0L supercharged engines cracks and fails causing supercharger slip, boost loss, and "reduced engine performance" warnings. This reinforced replacement coupling is designed to outlast the original plastic

It is intended to repair the existing oil separator unit

Targeted Fix: Repairs the tube itself — restoring correct coolant flow without replacing the entire assembly

eliminating these failure modes

The crankcase ventilation membrane controls pressure inside the ventilation unit and supports proper blow-by gas separation

Restores High-RPM Power: Correct VANOS operation restores the S54's characteristic top-end power delivery

Is this a complete valve cover

Protect the Side Mirrors on Your Mercedes W220 — Replacement Mirror Seals

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53601-SWA-A07

Supports repair of the original valve cover crankcase ventilation system