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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.

25205818 - : Engine Coolant Thermostat and Housing Assembly for GM Image

Engine Coolant Thermostat and Housing Assembly

Malibu. 1.5L turbo. Spark. Cruze. 1.4L. Encore. Trax. With high output.
$124.90
MSRP $218.16
Save $93.26
42.7% Off
12620112 - : Engine Coolant Thermostat and Housing Assembly for GM Image

Engine Coolant Thermostat and Housing Assembly

4.2L. Includes thermostat. Trailblazer. S-series. This GM Genuine part is designed, engineered and tested to rigorous standards, and are...
$69.17
MSRP $120.82
Save $51.65
42.7% Off
12681132 - : Engine Coolant Thermostat and Housing Assembly for GM Image

Engine Coolant Thermostat and Housing Assembly

3.6L. Incl.Gasket,Housing and Thermostat. Optional. XTS. Without turbocharger. Impala. Repairs leaking thermostat housings
$95.34
MSRP $166.53
Save $71.19
42.7% Off
68676481AA - : Engine Coolant Thermostat Package, Cylinder Block for Mopar Image

Engine Coolant Thermostat Package, Cylinder Block

Mopar 68676481AA
Up to 04/16/12. Secondary. Includes 55111017aa thermostat and 04884572aa seal. Primary. See Catalog Note. Up to 04/06/12. 170 Degrees...
$40.54
MSRP $58.25
Save $17.71
30.4% Off
90119A0349 - : Automatic Transmission Oil Cooler Thermostat Bolt for Toyota Image

Automatic Transmission Oil Cooler Thermostat Bolt

Toyota 90119-A0349
INTAKE PIPING. intercooler tube.
$1.52
MSRP $1.98
Save $0.46
23.2% Off
971432D010 - : HVAC Evaporator Temperature Switch for Hyundai Image

HVAC Evaporator Temperature Switch

Hyundai 97143-2D010
Manual Temperature Controls.
$67.39
MSRP $88.37
Save $20.98
23.7% Off
971802D011 - : Thermostatic Switch for Hyundai Image

Thermostatic Switch

Hyundai 97180-2D011
Without auto ac. Without auto temp cntrl. Elantra. With atc.
$44.45
MSRP $58.29
Save $13.84
23.7% Off
9763523000 - : HVAC Evaporator Temperature Switch for Hyundai Image

HVAC Evaporator Temperature Switch

Hyundai 97635-23000
To 11/01/1993. 1993-95.
$41.80
MSRP $54.81
Save $13.01
23.7% Off
110614BC0A - : Engine Water Pump Housing for Nissan Image

Engine Water Pump Housing

Nissan 11061-4BC0A
Rogue. 2.0L hybrid.
Backordered
11061BV80B - : Engine Water Pump Housing for Nissan Image

Engine Water Pump Housing

Nissan 11061-BV80B
Sentra. 1.6l turbo. 1.6L, auto trans. Juke. Without nismo rs.
$259.53
MSRP $376.13
Save $116.60
31% Off
8972252400 - : Thermostatic Switch for Honda Image

Thermostatic Switch

Passport.
$13.38
MSRP $13.59
Save $0.21
1.5% Off
View Details
110615RB0B - : Water Pump Housing for Nissan Image

Water Pump Housing

Nissan 11061-5RB0B
Versa. Manual trans.
$100.13
MSRP $141.43
Save $41.30
29.2% Off

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