Thermostat Seal for Discovery 3 Lr3 (2005 – 2009) 69mm – 4362513

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This thermostat seal provides the sealing interface between the thermostat housing and the engine block on Land Rover's 4.4 AJ-V8 and 4.2 supercharged V8 engines. It prevents coola nt leakage at the thermostat mounting point, which if compromised can result in coolant loss, overheating, and potential engine damage. Correct fitment requires the 69mm specification seal to match the housing diameter on these engines. Key Features 69mm diameter seal, matched to the thermostat housing size used on AJ-V8 petrol engines Designed to withstand the operating temperatures and pressures of the engine cooling circuit Meets OEM fitment specifications for the applicable Land Rover and Range Rover platforms Replace this seal whenever the thermostat or housing is disturbed - inspect the housing mating surface for corrosion before fitting Vehicle Fitment Fits Discovery 3 / LR3 (2005–2009) 4.4 AJ V8, Range Rover Sport (2005–2009) 4.2 V8 Supercharged and 4.4 AJ V8, and Range Rover (2002–2009) 4.2 V8 Supercharged and 4.4 AJ V8 (to VIN 6A000001), all from chassis 69mm. Not sure about fitment? Feel free to get in touch at [email protected] Show more