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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.

97241129 - : Engine Coolant Thermostat for GM Image

Engine Coolant Thermostat

Silverado, sierra. 6.6l. 185 degrees. All models. 6.6l. 6.6L, front. Express, savana. 6.6l diesel. 185 degree. Controls the flow of...
$41.66
MSRP $71.82
Save $30.16
42% Off
19322RNAA01 - : Thermostat Housing Gasket for Honda Image

Thermostat Housing Gasket

1.8L.
$5.27
MSRP $6.87
Save $1.60
23.3% Off
19301PZA305 - : Engine Coolant Thermostat for Honda Image

Engine Coolant Thermostat

Civic. 3 door. With vx model.
$41.97
MSRP $60.30
Save $18.33
30.4% Off
19301RNA315 - : Engine Coolant Thermostat for Acura Image

Engine Coolant Thermostat

ILX. 2.0L. Incl.Gasket. Vendor:fuji seiko.
$60.13
MSRP $83.52
Save $23.39
28% Off
12680456 - : Engine Coolant Thermostat for GM Image

Engine Coolant Thermostat

Silverado, sierra. 6.6l. 185 degrees. 6.6L diesel, 185 deg. Silverado, Sierra 2500 HD. 185 degrees. Silverado, Sierra 3500 HD. 185...
$10.45
MSRP $16.72
Save $6.27
37.5% Off
12680457 - : Engine Coolant Thermostat for GM Image

Engine Coolant Thermostat

6.6L diesel, 180 deg. Silverado, Sierra 2500 HD. 180 degrees. Silverado, Sierra 3500 HD. 180 degrees. Silverado, sierra. 6.6l. 180...
$10.70
MSRP $17.12
Save $6.42
37.5% Off
9212280616 - : Thermostat Housing Stud for Toyota Image

Thermostat Housing Stud

Toyota 92122-80616
3.5L.
$1.40
MSRP $1.81
Save $0.41
22.7% Off
9034116094 - : Thermostat Housing Plug for Toyota Image

Thermostat Housing Plug

Toyota 90341-16094
$13.94
MSRP $18.11
Save $4.17
23% Off
9091603099 - : Engine Coolant Thermostat for Toyota Image

Engine Coolant Thermostat

Toyota 90916-03099
Pick-up, 4-runner. Diesel.
$22.74
MSRP $30.75
Save $8.01
26% Off
5F9Z8575A - : Engine Coolant Thermostat for Ford Image

Engine Coolant Thermostat

Incl.Gasket. Five Hundred, Montego. Freestyle.
$23.09
MSRP $35.27
Save $12.18
34.5% Off
9091603046 - : Engine Coolant Thermostat for Toyota Image

Engine Coolant Thermostat

Toyota 90916-03046
$25.82
MSRP $34.91
Save $9.09
26% Off
9008011540 - : Thermostat Housing Stud for Toyota Image

Thermostat Housing Stud

Toyota 90080-11540
3.3L. 3.0L.
$1.65
MSRP $2.15
Save $0.50
23.3% Off

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