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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.

3522957 - : Engine Coolant Outlet Gasket for GM Image

Engine Coolant Outlet Gasket

4.9L, lower.
$5.81
MSRP $9.30
Save $3.49
37.5% Off
FR3Z8255A - : Gasket for Ford Image

Gasket

2.3L. Water outlet gasket. Mustang.
$3.05
MSRP $4.47
Save $1.42
31.8% Off
1151308256K - : Housing Assembly Stud for Hyundai Image

Housing Assembly Stud

Hyundai 11513-08256-K
2.0L. 1.4L.
$1.00
MSRP $1.31
Save $0.31
23.7% Off
RG602 - : Motorcraft Engine Coolant Pipe O-Ring for Ford Image

Motorcraft Engine Coolant Pipe O-Ring

Ford RG-602
7.3L turbo diesel, lower.
$8.23
MSRP $12.36
Save $4.13
33.4% Off
12707272 - : Water Inlet for GM Image

Water Inlet

5.5L. Corvette.
$8.38
MSRP $13.40
Save $5.02
37.5% Off
10105135 - : Water Outlet Gasket for GM Image

Water Outlet Gasket

O-Ring. 6 cylinder, without high output. May be made from fiber or a rubberized composite material This GM Genuine Part is designed,...
$3.99
MSRP $6.38
Save $2.39
37.5% Off
3M4Z8255A - : Gasket for Ford Image

Gasket

$6.70
MSRP $10.07
Save $3.37
33.5% Off
1632637020 - : Engine Coolant Water Inlet Gasket for Toyota Image

Engine Coolant Water Inlet Gasket

Toyota 16326-37020
O-Ring. Without prime, 2016-20. Prius V. Prius Prime. Corolla. With prime, 2017-20. 1.8L hybrid, reservoir & hoses. Prius AWD-e. With...
$5.75
MSRP $7.47
Save $1.72
23% Off
212005RA0A - : Engine Coolant Hose for Nissan Image

Engine Coolant Hose

Nissan 21200-5RA0A
ATF Warming. Warmer to Outlet Flange. Incl.Inline Thermostat. Versa.
$117.74
MSRP $166.29
Save $48.55
29.2% Off
11588720 - : M6x1x70 Multi-Purpose Bolt for GM Image

M6x1x70 Multi-Purpose Bolt

6 x 1 x 70mm. 3.6L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$5.39
MSRP $7.56
Save $2.17
28.7% Off
256413CAA0 - : Rear Housing Connector for Hyundai Image

Rear Housing Connector

Hyundai 25641-3CAA0
3.3L. Large.
$46.26
MSRP $60.66
Save $14.40
23.7% Off
12674634 - : Water Outlet for GM Image

Water Outlet

Camaro. Corvette. CT5. 6.2L supercharged. CTS-v.
$88.83
MSRP $155.16
Save $66.33
42.7% Off

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