This is a 74-degree opening thermostat for the engine cooling system on Land Rover Series 2, 2A, and 3 vehicles fitted with the 2.25 Petrol engine. The thermostat regulates coolant flow between the engine block and radiator, opening at 74°C to maintain optimal operating temperature. A faulty or incorrect-rated thermostat can cause chronic overheating, poor heater output, or the engine running persistently below operating temperature, increasing wear and fuel consumption. Key Features 74-degree opening temperature, suited to the thermal requirements of the 2.25 Petrol engine Direct replacement unit - fits the existing thermostat housing without modification Specified to match original equipment temperature rating for this engine series Replace the thermostat gasket or seal at the same time to prevent coolant leaks after reassembly Vehicle Fitment Fits Land Rover Series 2 and 2A with the 2.25 Petrol engine, and Land Rover Series 3 with the 2.25 Petrol engine, all requiring a 74-degree thermostat specification. Not sure about fitment? Feel free to get in touch at [email protected]