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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.

10144187 - : Engine Coolant Thermostat Gasket for GM Image

Engine Coolant Thermostat Gasket

Gasket. 6 cylinder, without high output.
$1.91
MSRP $2.68
Save $0.77
28.7% Off
12680544 - : Engine Coolant Thermostat O-Ring for GM Image

Engine Coolant Thermostat O-Ring

6.6L diesel, 185 deg therm. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. 6.6L diesel, 180 deg therm. Seals your vehicle's...
$8.75
MSRP $14.00
Save $5.25
37.5% Off
10137489 - : Engine Coolant Thermostat Gasket for GM Image

Engine Coolant Thermostat Gasket

$3.08
MSRP $4.92
Save $1.84
37.4% Off
12627055 - : Thermostat Bypass Pipe Gasket for GM Image

Thermostat Bypass Pipe Gasket

2.5L, to pipe. By-pass tube. Envision. Coupe, 2.0L turbo. 2014-2017. Regal. Bypass Pipe to Water Pump Housing. 2016-18. Sedan, 2.5L....
$5.36
MSRP $8.56
Save $3.20
37.4% Off
12635750 - : Thermostat Bypass Pipe Gasket for GM Image

Thermostat Bypass Pipe Gasket

1.5L turbo. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors Original...
$5.13
MSRP $8.20
Save $3.07
37.4% Off
3H5005WMA11 - : Engine Coolant Thermostat Kit for Honda Image

Engine Coolant Thermostat Kit

Incl.Housing and Thermostat.
$569.73
MSRP $832.93
Save $263.20
31.6% Off
193155G2A01 - : Engine Coolant Thermostat Kit for Honda Image

Engine Coolant Thermostat Kit

Accord. Coupe. Manual trans. Incl.Gasket,Housing and Thermostat.
$52.12
MSRP $74.89
Save $22.77
30.4% Off
61936C1305 - : Engine Coolant Thermostat Kit for Honda Image

Engine Coolant Thermostat Kit

Incl.Gasket. Accord. CR-V. Thermostat. , 2.0L, with hybrid. Civic.
$67.95
MSRP $97.63
Save $29.68
30.4% Off
2563126835 - : Engine Coolant Thermostat Housing for Hyundai Image

Engine Coolant Thermostat Housing

Hyundai 25631-26835
$40.52
MSRP $53.13
Save $12.61
23.7% Off
256203FAA1 - : Engine Coolant Thermostat Kit for Hyundai Image

Engine Coolant Thermostat Kit

Hyundai 256203faa1
G90. 5.0L. G80. Incl.Housing and Thermostat.
Not For Sale
21250EZ31A - : Engine Coolant Thermostat Kit for Nissan Image

Engine Coolant Thermostat Kit

Nissan 21250-EZ31A
Incl.Thermostat and Upper Housing. TITAN XD, TITAN. Armada. Nv full size Van. 2017-21.
$344.20
MSRP $503.22
Save $159.02
31.6% Off
19301R40A02 - : Engine Coolant Thermostat Kit for Honda Image

Engine Coolant Thermostat Kit

2.4L, nippon. Incl.Gasket,Housing and Thermostat. Vendor:nippon. Accord Crosstour.
$79.45
MSRP $115.15
Save $35.70
31% Off

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