2018 Cadillac CTS Engine Coolant Thermostat Housing Used OEM 12651603

Genuine Cadillac OEM engine coolant thermostat housing (part number 12651603). This is the metal or composite assembly that houses the engine's thermostat and provides connection points for coolant hoses to the engine and radiator. It is critical for maintaining the correct coolant path and temperature. Failure typically results in coolant leaks or improper temperature regulation if the housing itself is warped or damaged; replacement restores the integrity of the cooling system. The VIN for this vehicle is 1G6A85SX2K0104094.

Details:

• VIN: 1G6A85SX2K0104094

• Part Number: 12651603 (OE 12651603)

• Compatibility: Fits Cadillac CTS 2018 (check specific engine type, typically for V6 or I4 engines that use this part).

• Function: Houses the thermostat and acts as a junction point for coolant hoses.

• Condition: Used OEM, tested and in good working condition.

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