Promotion: Get 20% Off Shipping on orders over $200

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.

1632031021 - : Water Inlet for Toyota Image

Water Inlet

Toyota 16320-31021
Tundra. 4.0L. Tacoma. With towing package.
$114.45
MSRP $162.71
Save $48.26
29.7% Off
12570307 - : Engine Coolant Water Inlet Seal for GM Image

Engine Coolant Water Inlet Seal

Helps close and prevent coolant from leaking out of your vehicle's cooling system components to maintain the proper engine temperature...
$5.09
MSRP $8.14
Save $3.05
37.5% Off
10141924 - : Engine Water Pump Adapter for GM Image

Engine Water Pump Adapter

2.2L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$98.79
MSRP $172.56
Save $73.77
42.8% Off
2834032530 - : Thermo Valve for Hyundai Image

Thermo Valve

Hyundai 28340-32530
4 cylinder, federal. 6 cylinder, federal. Elantra.
$23.68
MSRP $31.05
Save $7.37
23.7% Off
13050ET00B - : Gasket for Nissan Image

Gasket

Nissan 13050-ET00B
1.8L. NV200. Water inlet gasket. 2.0L hybrid.
$6.89
MSRP $9.27
Save $2.38
25.7% Off
2561133010 - : Water Inlet for Hyundai Image

Water Inlet

Hyundai 25611-33010
Sonata. 2.0l. Upper. 1.8l. Elantra. 1.8l. Upper. 1.6l. Elantra. 1.6l. From 7/01/91.
$17.68
MSRP $23.18
Save $5.50
23.7% Off
900505A2003 - : Radiator Support Air Duct Bolt for Acura Image

Radiator Support Air Duct Bolt

3.0L auxiliary.
$0.62
MSRP $0.82
Save $0.20
24.4% Off
256513CAA0 - : Housing Gasket for Hyundai Image

Housing Gasket

Hyundai 25651-3CAA0
3.3L. Front. Azera. Santa Fe. 3.5l. Santa Fe XL.
$10.81
MSRP $14.06
Save $3.25
23.1% Off
919813K150 - : Bracket for Hyundai Image

Bracket

Hyundai 91981-3K150
2.0L. 2014-15. 2.4L, 2009-10.
$7.03
MSRP $9.15
Save $2.12
23.2% Off
90105A0168 - : Engine Timing Cover Bolt for Toyota Image

Engine Timing Cover Bolt

Toyota 90105-A0168
Type 2. 2.7L.
$2.29
MSRP $2.98
Save $0.69
23.2% Off
90118WA210 - : Automatic Transmission Oil Cooler Hose Banjo Bolt for Toyota Image

Automatic Transmission Oil Cooler Hose Banjo Bolt

Toyota 90118-WA210
3.0L. 2.0L.
$1.46
MSRP $1.90
Save $0.44
23.2% Off
13050EN20B - : Gasket for Nissan Image

Gasket

Nissan 13050-EN20B
Rogue Sport. 1.6L. From 11/2010. To 11/2010.
$8.21
MSRP $11.03
Save $2.82
25.6% Off

No results found for "thermostats". Here are some helpful search tips:

  • Search by a part name. Example: water pump.
  • Be less specific. Example: brake instead of ceramic brake.
  • Remove information such as make, year or model.
  • Can't find the part you are looking for? Contact us and we'll find it for you!