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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.

55496954 - : Engine Coolant Thermostat Housing Gasket for GM Image

Engine Coolant Thermostat Housing Gasket

Silverado, sierra. 3.0L diesel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General...
$0.79
MSRP $1.26
Save $0.47
37.3% Off
90105A0079 - : Engine Coolant Thermostat Housing Bolt for Toyota Image

Engine Coolant Thermostat Housing Bolt

Toyota 90105-A0079
Rear drive motor. 2.4L. 4.0L 2011-13 air pump and related components.
$1.52
MSRP $1.98
Save $0.46
23.2% Off
957010602208 - : Engine Coolant Thermostat Housing Bolt for Acura Image

Engine Coolant Thermostat Housing Bolt

3.5L. 2000-03. 3.0L.
$1.42
MSRP $1.88
Save $0.46
24.5% Off
BR3Z18599A - : Engine Coolant Thermostat Housing Adapter for Ford Image

Engine Coolant Thermostat Housing Adapter

F150. 5.0L, main, dual alternator. Mustang. Without supercharger. 5.0L manual transmission. With high output. 5.0L automatic transmission.
$35.40
MSRP $60.00
Save $24.60
41% Off
6L2Z8C388A - : Engine Coolant Thermostat Housing Gasket for Ford Image

Engine Coolant Thermostat Housing Gasket

Lower Thermostat Housing. 4.6L, with 4.6L 3 valve. 4.6L, 2007-09, rear.
$5.45
MSRP $8.18
Save $2.73
33.4% Off
W713197S437 - : Engine Coolant Thermostat Housing Bolt for Ford Image

Engine Coolant Thermostat Housing Bolt

Thermostat hsng,bolt. Thermostat unit,bolt. 3.7L. Without supercharger. 5.0L manual transmission. 2017-20, m6x70mm. 2021-23. 3.5L,...
$4.09
MSRP $6.75
Save $2.66
39.4% Off
W715805S442 - : Engine Coolant Thermostat Housing Stud for Ford Image

Engine Coolant Thermostat Housing Stud

1.5L.
$2.48
MSRP $4.00
Save $1.52
38% Off
W709492S439 - : Engine Coolant Thermostat Housing Bolt for Ford Image

Engine Coolant Thermostat Housing Bolt

Thermostat,mount bolt. 2.0L dohc.
$2.48
MSRP $4.00
Save $1.52
38% Off
1603131031 - : Water Inlet Sub-Assembly,  With Thermostat for Toyota Image

Water Inlet Sub-Assembly, With Thermostat

Toyota 16031-31031
Fits Avalon, Camry, Highlander, Sienna All. Camry. Sienna. Avalon. Highlander. 3.5L, 2017-20. 3.5L, with...
$48.05
MSRP $68.01
Save $19.96
29.3% Off
329710C010 - : Automatic Transmission Oil Cooler Thermostat for Toyota Image

Automatic Transmission Oil Cooler Thermostat

Toyota 32971-0C010
$148.58
MSRP $211.23
Save $62.65
29.7% Off
3297148030 - : Automatic Transmission Oil Cooler Thermostat for Toyota Image

Automatic Transmission Oil Cooler Thermostat

Toyota 32971-48030
3.5L.
$148.58
MSRP $211.23
Save $62.65
29.7% Off
3297145010 - : Automatic Transmission Oil Cooler Thermostat for Toyota Image

Automatic Transmission Oil Cooler Thermostat

Toyota 32971-45010
3.5L, 2017-20.
$148.58
MSRP $211.23
Save $62.65
29.7% Off

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