Promotion: Get 20% Off Shipping on orders over $200

OEM Auto Thermostats

Shop OEM Thermostats Designed for Engine Temperature Regulation

Thermostats are cooling system components responsible for regulating engine operating temperature. By controlling the flow of coolant between the engine and radiator, the thermostat helps the engine warm up efficiently and maintain a stable temperature during operation. Over time, heat exposure and mechanical cycling can affect thermostat performance, which is why these parts are often replaced during cooling system service. At Bob Howard Parts Distribution Center, we offer OEM thermostats designed to meet manufacturer specifications.

Thermostat designs vary by engine type and cooling system layout. Opening temperature, housing design, and mounting configuration are engineered for specific applications. Selecting the correct thermostat helps ensure proper coolant flow and supports efficient engine operation.

OEM thermostats are manufactured to align with factory temperature ratings and fitment standards. Using application-specific thermostats helps reduce the risk of overheating, poor warm-up performance, or erratic temperature readings.

Before ordering a thermostat, confirm model year, engine size, and cooling system configuration. You can browse available thermostats to find options matched to your vehicle.

OEM thermostats support consistent engine temperature control and reliable cooling system performance.

163230P010 - : Engine Coolant Thermostat Housing for Toyota Image

Engine Coolant Thermostat Housing

Toyota 16323-0P010
Tacoma. 4-runner. 6 cylinder. From 3/04. Exc.Towing Package. Japan Built Part. 4.0L, without oil cooler. 4.0L. without towing package....
$133.84
MSRP $190.27
Save $56.43
29.7% Off
1634161030 - : Engine Coolant Thermostat Gasket for Toyota Image

Engine Coolant Thermostat Gasket

Toyota 16341-61030
Gasket.
$6.90
MSRP $8.97
Save $2.07
23.1% Off
163230S020 - : Engine Coolant Thermostat Housing for Toyota Image

Engine Coolant Thermostat Housing

Toyota 16323-0S020
Exc.Towing Package. Sequoia. Water inlet. Regular cab, double cab. 5.7L, without tow package. Tundra. Land Cruiser. Without towing...
$60.38
MSRP $85.48
Save $25.10
29.4% Off
1632136060 - : Engine Coolant Thermostat Housing for Toyota Image

Engine Coolant Thermostat Housing

Toyota 16321-36060
With hybrid. RAV4 hybrid.
$38.65
MSRP $54.71
Save $16.06
29.4% Off
256213C660 - : Engine Coolant Thermostat Housing for Hyundai Image

Engine Coolant Thermostat Housing

Hyundai 25621-3C660
$101.77
MSRP $134.55
Save $32.78
24.4% Off
90118WA575 - : Engine Coolant Thermostat Gasket for Toyota Image

Engine Coolant Thermostat Gasket

Toyota 90118-WA575
Size-Small. All Required.
$3.89
MSRP $5.06
Save $1.17
23.1% Off
1634666020 - : Engine Coolant Thermostat Gasket for Toyota Image

Engine Coolant Thermostat Gasket

Toyota 16346-66020
$5.88
MSRP $7.63
Save $1.75
22.9% Off
RT1232 - : Motorcraft Engine Coolant Thermostat for Ford Image

Motorcraft Engine Coolant Thermostat

Ford RT-1232
5.4L. Mustang. 5.8L.
$49.44
MSRP $76.18
Save $26.74
35.1% Off
RT1254 - : Motorcraft Engine Coolant Thermostat for Ford Image

Motorcraft Engine Coolant Thermostat

Ford RT-1254
$23.44
MSRP $35.82
Save $12.38
34.6% Off
12511715 - : Engine Coolant Thermostat Housing for GM Image

Engine Coolant Thermostat Housing

4 cylinder.
$18.47
MSRP $31.04
Save $12.57
40.5% Off
12647027 - : Engine Coolant Thermostat Housing for GM Image

Engine Coolant Thermostat Housing

2.0L turbo diesel. Cruze. Repairs leaking thermostat housings
$79.50
MSRP $138.86
Save $59.36
42.7% Off
25534752 - : Engine Coolant Thermostat Gasket for GM Image

Engine Coolant Thermostat Gasket

O-Ring.
$5.25
MSRP $7.37
Save $2.12
28.8% Off

No results found for "thermostats". Here are some helpful search tips:

  • Search by a part name. Example: water pump.
  • Be less specific. Example: brake instead of ceramic brake.
  • Remove information such as make, year or model.
  • Can't find the part you are looking for? Contact us and we'll find it for you!