LYX000040 - O-Ring – Cylinder Head Cover

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OEM: Made by an Original Equipment Manufacturer. This part is made by an original equipment manufacturer or under their license, ensuring compatibility and quality.

O-Ring for the cylinder head cover, part of the engine's oil-sealing arrangement.

It seats at the cylinder head (cam) cover to maintain an oil-tight seal at the joint it serves, preventing oil leakage.

Fitted to the 4.4L V8 petrol (M62 B44) engine.

Vehicle Model Range Rover 2002-2012 (L322)

Fitment Notes RANGE ROVER L322 2002-2009 — Cylinder Head Cover, 4.4L V8 Petrol (BMW M62 B44)

Alternative Codes

LYX000040

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Frequently asked questions

What does the LYX000040 cylinder head cover O-ring seal?

The LYX000040 O-ring seals the cylinder head (cam) cover joint to keep it oil-tight and prevent oil leaks. It's fitted to the Range Rover L322 (2002-2009) with the 4.4 V8 petrol M62 B44 engine.

What are the signs the cylinder head cover O-ring needs replacing?

Oil seepage around the cylinder head cover joint is the usual sign the O-ring has hardened or perished. On the L322 4.4 V8 petrol (M62), an aged seal typically lets oil weep from the cover, so it's normally renewed whenever the cover is removed.

Should the O-ring be reused when refitting the cover?

Replace the LYX000040 O-ring rather than reusing it whenever the cylinder head cover is disturbed. Rubber seals take a set once compressed, so a reused O-ring on the L322 M62 engine often fails to seal, leading to repeat oil leaks.

LYX000040 - O-Ring – Cylinder Head Cover

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