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OEM Thermostats & Parts

9A210231200 - : Water Manifold Gasket for Porsche Image

Water Manifold Gasket

Porsche 9A2-102-312-00
Water pump & thermostat.
$47.72
11531718982 - : Hose for BMW Image

Hose

1988-91, 325, to thermostat. 525i, 1989-90, lower from pipe. Convert old style, 1988-92 325i, to thermostat.
$21.08
17128601169 - : Heater Hose for BMW Image

Heater Hose

2.0L turbo, auxiliary, to thermostat.
Backordered
9A210653003 - : Restrictor for Porsche Image

Restrictor

Porsche 9A2-106-530-03
Water pump & thermostat, 2.0, 2.5L.
$51.32
17127640829 - : Coolant Hose for BMW Image

Coolant Hose

Battery cooling, tank to thermostat.
$104.61
PAF008265 - : Water Manifold O-Ring for Porsche Image

Water Manifold O-Ring

Porsche PAF-008-265
Water pump & thermostat, 2.0, 2.5L.
$4.29
9A110662733 - : Water Pipe for Porsche Image

Water Pipe

Porsche 9A1-106-627-33
Tubes & pipes. Water pump & thermostat.
$286.02
9A210604005 - : Water Pump Assembly for Porsche Image

Water Pump Assembly

Porsche 9A2-106-040-05
Water pump & thermostat, 2.0, 2.5L.
$630.09
11537500752 - : Reservoir Hose for BMW Image

Reservoir Hose

4.4, 4.6 & 4.8L, from thermostat.
$64.26
11537550062 - : Heater Hose for BMW Image

Heater Hose

3.0L gas non turbo, from thermostat.
$104.34
11531278908 - : Hose for BMW Image

Hose

1984-85, 318, thermostat to rad.
Backordered
95530717108 - : Line for Porsche Image

Line

Porsche 955-307-171-08
Cayenne. Cooler to thermostat. Supply line.
$256.79

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FAQ for Thermostats

What is a thermostat, and what does it do?

A thermostat is a part of a vehicle's cooling system that regulates the flow of coolant between the engine and the radiator. It helps maintain the engine's operating temperature for efficient performance.

What are the signs that my car's thermostat is failing?

Common signs of a failing thermostat include an engine that runs hotter or colder than usual, fluctuating temperature gauge readings, coolant leaks near the thermostat housing, and the heater not blowing warm air. If you experience these symptoms, itÕs best to inspect your thermostat.

Can I drive with a faulty thermostat?

It's not ideal. A stuck-open thermostat can prevent the engine from reaching its optimal temperature, leading to poor fuel economy and increased emissions. A stuck-closed thermostat can cause the engine to overheat, leading to severe damage.

How often should I replace my car's thermostat?

Most car thermostats can last between 50,000 and 100,000 miles, but itÕs a good idea to check your vehicle's owner's manual for specific recommendations. Thermostat replacement may also be necessary if you notice signs of failure or during major coolant system repairs.