4575903 | Water Pump Gasket - 4.2S, 4.4 AJ-V8 | Discovery 3 & Range Rover
To check the stock of Genuine Parts before placing an order please use our Contact Us page
To check the stock of Genuine Parts before placing an order please use our Contact Us page
To check the stock of Genuine Parts before placing an order please use our Contact Us page
To check the stock of Genuine Parts before placing an order please use our Contact Us page
Land Rover Part Number: 4575903 - Water Pump Gasket
4575903 is a water pump gasket fitted to the engine cooling system on 4.2 supercharged and 4.4 AJ-V8 engines. It forms a coolant-tight seal between the water pump and its mounting, preventing coolant leaks and ensuring correct circulation through the cooling system.
Compatibility
- Discovery 3 (2005-2009) - 4.4 AJ Petrol V8 220KW
- Range Rover (2002-2009) - 4.2 Petrol V8 Supercharged - From VIN 6A000001
- Range Rover Sport (2005-2009) - 4.4 AJ Petrol V8 220KW
Frequently Asked Questions
4575903 seals the joint between the water pump and its mounting to prevent coolant leakage and maintain correct coolant circulation. It ensures the water pump can hold system pressure and should be replaced if damaged or leaking when the pump is serviced.
| Model | Variant |
|---|---|
| Land Rover Discovery 3 (2005-2009) | 4.4 AJ Petrol V8 220KW |
| Land Rover Range Rover (2002-2009) | 4.2 Petrol V8 Supercharged - From VIN 6A000001 |
| Land Rover Range Rover Sport (2005-2009) | 4.4 AJ Petrol V8 220KW |
If you are unsure of compatibility with your vehicle, you can also confirm by checking against your V.I.N. Simply reach out to us with your V.I.N and desired part number via our Contact page or use our Finding Part Numbers page.
Replace the gasket whenever the water pump is removed or if any coolant leakage is observed at the pump flange. Inspect the gasket during cooling-system servicing and fit a new gasket when refitting the pump to ensure a reliable seal.
- C8 products are usually supplied by Britpart.
- L8 products are genuine Land Rover parts.
All products and accessories available on LRDirect.com come with a 2-year warranty.