Aluminum Thermostat Housing with Sensor Automotive Thermostat and gasket for Land Rover Engine Cooland Thermostat Kit LR117568 Thermostat unit

Product Description:

Auto Aluminum Thermostat unit

OE numbers: LR117568

Applicable vehicle type: For Land Rover

The thermostat in a car is the 'smart temperature valve' of the engine cooling system. It automatically controls the circulation path of the coolant (large circulation or small circulation) based on the coolant temperature, with its core mission being to quickly warm up the engine and maintain it at the optimal operating temperature.

Thermostat Common faults:

• Stuck in closed position: The valve cannot open, preventing coolant from circulating, causing the engine to overheat quickly (boiling).
• Stuck in open position: The valve cannot close, causing continuous large circulation of coolant, leading to slow engine warming and low coolant temperature.
• Insufficient opening or delayed opening: Degradation of wax performance or spring fatigue results in insufficient heat dissipation, causing high coolant temperature.
• Leakage: Aging of the seal ring leads to coolant leakage.

Thermostat Symptoms of faults:

• Engine overheating (thermostat not opening): Water temperature gauge red light alarm, even boiling.
• Low water temperature/rising slowly (thermostat always open): Especially in winter, after driving a long distance, the water temperature still does not reach the midpoint, and the heater does not warm up.
• Increased fuel consumption: Due to the engine operating at low temperatures for a long time, the ECU increases fuel injection.
• Large temperature difference between upper and lower water pipes: In cold state, when the thermostat does not open, the upper water pipe of the radiator is very hot, while the lower water pipe is very cool.

The thermostat is a typical 'small component, big impact' part. It works quietly but is the core commander of engine thermal management.

Treat the thermostat as a regular maintenance item rather than waiting until it fails. If there are any abnormalities in water temperature, prioritize checking it. When replacing, choose a high-quality, perfectly matched thermostat, which is a wise investment for ensuring efficient, durable, and economical engine operation.

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