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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.

RH298 - : Motorcraft Engine Coolant Thermostat Kit for Ford Image

Motorcraft Engine Coolant Thermostat Kit

Ford RH-298
Incl.Gasket,Housing and Thermostat. Mustang. 5.0L. Without supercharger. Manual transmission. With high output.
$178.64
MSRP $256.67
Save $78.03
30.4% Off
RG626 - : Motorcraft Engine Coolant Thermostat Gasket for Ford Image

Motorcraft Engine Coolant Thermostat Gasket

Ford RG-626
6.4L turbo diesel. F250 super duty. F350 super duty.
$3.50
MSRP $5.25
Save $1.75
33.3% Off
RH214 - : Motorcraft Engine Coolant Thermostat Housing for Ford Image

Motorcraft Engine Coolant Thermostat Housing

Ford RH-214
Fr 6/2/03 to 1/7/08. F250 super duty. F350 super duty. F450, f550. Expedition, Navigator. Sohc. 5.4l ohv. F250 pick-up. 5.4l, 6.8l....
$26.18
MSRP $36.67
Save $10.49
28.6% Off
RG630 - : Motorcraft Engine Coolant Thermostat Gasket for Ford Image

Motorcraft Engine Coolant Thermostat Gasket

Ford RG-630
$2.70
MSRP $3.96
Save $1.26
31.8% Off
RH201 - : Motorcraft Engine Coolant Thermostat Housing for Ford Image

Motorcraft Engine Coolant Thermostat Housing

Ford RH-201
1.6L non turbo. Without turbo. Fiesta.
$26.18
MSRP $36.67
Save $10.49
28.6% Off
RG624 - : Motorcraft Engine Coolant Thermostat Gasket for Ford Image

Motorcraft Engine Coolant Thermostat Gasket

Ford RG-624
All Required.
$15.47
MSRP $23.64
Save $8.17
34.6% Off
RG620 - : Motorcraft Engine Coolant Thermostat Gasket for Ford Image

Motorcraft Engine Coolant Thermostat Gasket

Ford RG-620
E250-350 vans. E350 vans. 6.0l.
$9.22
MSRP $13.85
Save $4.63
33.4% Off
RG600 - : Motorcraft Engine Coolant Thermostat Gasket for Ford Image

Motorcraft Engine Coolant Thermostat Gasket

Ford RG-600
2.5L.
$7.56
MSRP $11.36
Save $3.80
33.5% Off
12647181 - : Engine Coolant Thermostat Housing Seal for GM Image

Engine Coolant Thermostat Housing Seal

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$5.50
MSRP $7.72
Save $2.22
28.8% Off
90096383 - : Engine Coolant Thermostat Housing O-Ring for GM Image

Engine Coolant Thermostat Housing O-Ring

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$1.43
MSRP $2.28
Save $0.85
37.3% Off
55578957 - : Engine Coolant Thermostat Housing Seal for GM Image

Engine Coolant Thermostat Housing Seal

1.8L. Sonic. Cruze, Cruze Limited. 2009-11. G3. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is...
$10.39
MSRP $16.61
Save $6.22
37.4% Off
97223686 - : Engine Coolant Thermostat Housing Gasket for GM Image

Engine Coolant Thermostat Housing Gasket

Lower Housing. 6.6L. Helps seal the gap between the exterior of your vehicle's thermostat housing and the exterior of the engine to help...
$6.53
MSRP $10.44
Save $3.91
37.5% Off

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