4575903 Water Pump Gasket

Precision Seal for a Leak-Free Cooling System
Fits LR3, Range Rover Sport, and Range Rover 4.4L V8 (Jaguar Engine)

Ensure a perfect seal and prevent coolant leaks with the 4575903 Water Pump Gasket, designed for Land Rover models equipped with the 4.4L Jaguar V8. Whether you’re installing a new pump or servicing your cooling system, this gasket is the small but essential component that keeps everything leak-free.

Manufactured to OEM specifications, the 4575903 gasket delivers an exact fit, proper compression, and long-lasting sealing performance.

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Key Features:

• Direct replacement for Land Rover part number 4575903

• OEM-spec fit for proper water pump sealing

• Resistant to heat, coolant, and pressure

• Designed for easy installation with no trimming required

• Ideal for pump replacement or cooling system service

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Vehicle Compatibility:

• LR3 / Discovery 3 (2005–2009) – 4.4L V8

• Range Rover Full Size L322 (2006–2009) – 4.4L Jaguar V8

• Range Rover Sport L320 (2006–2009) – 4.4L V8 & 4.2L Supercharged V8

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Part Number: 4575903

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Installation Notes:

• Always clean mating surfaces before gasket installation

• Torque water pump bolts to factory specification

• Recommended for single-use only — replace whenever removing the water pump

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Frequently Asked Questions:

Q: Does this gasket fit both the 4.4L and 4.2L Supercharged engines?
A: Yes — it is compatible with both engine versions used in these model years.

Q: Should I replace this whenever I change the water pump?
A: Yes — water pump gaskets are single-use and should always be replaced to prevent leaks.

 

Part Number: 4575903

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