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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.

1BP02197AA - : Engine Coolant Thermostat Housing Assembly for bproauto Image

Engine Coolant Thermostat Housing Assembly

bproauto 1BP02197AA
An assembly where the Engine Coolant Housing and Thermostat are pre-assembled and where the Thermostat is not serviced separately.
$52.52
MSRP $58.35
Save $5.83
10% Off
1BP02205AA - : Engine Coolant Thermostat Housing Assembly for bproauto Image

Engine Coolant Thermostat Housing Assembly

bproauto 1BP02205AA
An assembly where the Engine Coolant Housing and Thermostat are pre-assembled and where the Thermostat is not serviced separately.
$21.47
MSRP $23.85
Save $2.38
10% Off
1125E0181 - : Engine Coolant Thermostat Housing Bolt for Nissan Image

Engine Coolant Thermostat Housing Bolt

Nissan 01125-E0181
Housing,bolt. Thermostat outlt,bolt. Thermostat hsng,bolt. #2. Short.
$2.39
MSRP $3.22
Save $0.83
25.8% Off
RTS1067 - : Motorcraft Engine Coolant Thermostat Gasket for Ford Image

Motorcraft Engine Coolant Thermostat Gasket

Ford RTS-1067
Fusion, Milan. 3.0L. 2009-12. 2009-11.
$7.56
MSRP $11.36
Save $3.80
33.5% Off
RG565 - : Motorcraft Engine Coolant Thermostat Gasket for Ford Image

Motorcraft Engine Coolant Thermostat Gasket

Ford RG-565
From 01/1986. Vendor:motorcraft. Vendor #RG-565.
$3.22
MSRP $4.73
Save $1.51
31.9% Off
RG633 - : Motorcraft Engine Coolant Thermostat Gasket for Ford Image

Motorcraft Engine Coolant Thermostat Gasket

Ford RG-633
O-Ring. 2.0L.
$4.21
MSRP $6.33
Save $2.12
33.5% Off
RH245 - : Motorcraft Engine Coolant Thermostat Housing for Ford Image

Motorcraft Engine Coolant Thermostat Housing

Ford RH-245
$15.47
MSRP $21.67
Save $6.20
28.6% Off
RH165 - : Motorcraft Engine Coolant Thermostat Housing for Ford Image

Motorcraft Engine Coolant Thermostat Housing

Ford RH-165
Ranger. 4.0l. Upper. From 07/24/2000.
$22.25
MSRP $31.17
Save $8.92
28.6% Off
RH300 - : Motorcraft Engine Coolant Thermostat Housing for Ford Image

Motorcraft Engine Coolant Thermostat Housing

Ford RH-300
Escape. Front of block.
$76.56
MSRP $110.00
Save $33.44
30.4% Off
RG597 - : Motorcraft Engine Coolant Thermostat Gasket for Ford Image

Motorcraft Engine Coolant Thermostat Gasket

Ford RG-597
4.2L. Freestar, Monterey. E150-250 vans. Exc.Gasket & Seal. 3.8L & 3.9L.
$7.56
MSRP $11.36
Save $3.80
33.5% Off
RH199 - : Motorcraft Engine Coolant Thermostat Housing for Ford Image

Motorcraft Engine Coolant Thermostat Housing

Ford RH-199
Charge Air Cooling. 6.7L diesel, auxiliary. F250, f350 super duty. Right.
$15.47
MSRP $21.67
Save $6.20
28.6% Off
RH253 - : Motorcraft Engine Coolant Thermostat Housing for Ford Image

Motorcraft Engine Coolant Thermostat Housing

Ford RH-253
$872.10
MSRP $1,275.00
Save $402.90
31.6% Off

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