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OEM Thermostats & Parts

99970763640 - : Engine Crankcase Vent Valve Seal for Porsche Image

Engine Crankcase Vent Valve Seal

Porsche 999-707-636-40
O-Ring. 3.0L. 3.8L.
$4.41
PB121076 - : Water Inlet Tube for Porsche Image

Water Inlet Tube

Porsche 0PB-121-076
3.8L, water pump and thermostat. 4.0L, with gt4 rs, spyder rs. 3.4, 3.8L, with gt3. 3.0L turbo. Water inlet tube.
$54.14
17127799184 - : Upper Hose Lock Ring for BMW Image

Upper Hose Lock Ring

2017-20. 2017-21. 3.0L, main. 2.0L, 2018-19. 2017-19, main. 3.0L, auxiliary. 2017-18, with hybrid. 3.0L turbo gas. 2.0L, 2019....
$19.75
PB121097D - : Hose & Tube Assembly Retainer Spring for Porsche Image

Hose & Tube Assembly Retainer Spring

Porsche 0PB-121-097-D
Vent lines. Water manifold. 2.7, 3.4L. Front, rear. Water pump & thermostat. Tubes & pipes. 3.0L turbo front. 3.0L turbo underbody....
$4.03
9A700817500 - : Water Valve O-Ring for Porsche Image

Water Valve O-Ring

Porsche 9A7-008-175-00
2019-21. 3.0L, with e-hybrid. 27.5x3. Thermo-Pneumatic Valve. 27.5 x 3mm. All Required. 2.9L. 27.5x3.
$5.29
59121149B - : Engine Coolant Outlet Gasket for Audi Image

Engine Coolant Outlet Gasket

Valve to Oil Cooler Housing. 3.0L diesel, return.
$7.37
90021901830 - : Plug for Porsche Image

Plug

Porsche 900-219-018-30
Location-Cylinder Head. 14 x 1.5mm. 3.8L, water pump and thermostat. 3.4, 3.8L without gt3.
$24.39
N10124306 - : Engine Water Pump Outlet Pipe Bolt for Audi Image

Engine Water Pump Outlet Pipe Bolt

$0.78
11428637820 - : Oil Filter Housing Gasket for BMW Image

Oil Filter Housing Gasket

$47.80
7148851323 - : Automatic Transmission Oil Cooler Hose O-Ring for BMW Image

Automatic Transmission Oil Cooler Hose O-Ring

3.0L turbo, 2024-26. 2.0L, 2025-26. 3.0L, 2025-26. 4.4L, rear. 3.0L turbo, 2023-26. Without M4. M, m competition, 2024-26. M50i,m60i,...
$8.50
N91068001 - : Headlamp Assembly Bolt for Audi Image

Headlamp Assembly Bolt

$1.28
N10470703 - : Engine Oil Filter Housing Bolt for Audi Image

Engine Oil Filter Housing Bolt

Lower Intake Manifold to Head. 6 x 50mm. 4.0L. 2.9L. M6x50. 4.2L. front. Coupe, 3.0L. Convertible, 3.0L. 4.2L, lower.
$3.64

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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.