Fuel Filter Air Bleed Valve WJN500110 is used on the fuel filter head of Land Rover Td5 diesel engines to purge trapped air from the fuel system. Proper bleeding is essential for maintaining consistent fuel delivery, smooth engine operation, and reliable starting after filter changes or fuel system service.

A faulty or leaking bleed valve can allow air into the fuel system, leading to hard starting, rough running, or loss of performance. Replacing the valve helps restore correct fuel system sealing and ensures proper priming after maintenance.

Fits:

Defender (1998–2006) – Td5
Discovery Series II (1998–2004) – Td5

FAQ

What is the purpose of this valve?
It allows air to be bled from the fuel filter head to ensure proper fuel flow and system priming.

When should this valve be replaced?
Replace it if the valve leaks, will not seal properly, or during fuel system service if air ingress is suspected.

Is this sold individually?
Yes. This listing includes one (1) air bleed valve.

Part Number: WJN500110

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