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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.

25189205 - : Engine Coolant Outlet O-Ring for GM Image

Engine Coolant Outlet O-Ring

1.8L. Sonic. Cruze, Cruze Limited. 2009-11. Aveo, Aveo5. G3. Helps prevent leakage from the engine coolant outlet This GM Genuine Part...
$10.96
MSRP $17.54
Save $6.58
37.5% Off
80566S30003 - : HVAC Evaporator Temperature Switch Bracket for Honda Image

HVAC Evaporator Temperature Switch Bracket

$6.40
MSRP $6.50
Save $0.10
1.5% Off
View Details
12557563 - : Engine Coolant Water Outlet for GM Image

Engine Coolant Water Outlet

All models. 4.3l. Silverado, sierra. 4.3l. Thick base helps prevent leaks by minimizing warpage Leak-resistant Neoprene O-ring seal...
$71.70
MSRP $125.24
Save $53.54
42.7% Off
12556593 - : Engine Coolant Water Outlet for GM Image

Engine Coolant Water Outlet

6 cylinder, with high output. Astro, Safari. Cpi, mpi. 4.3L. All models. Express, savana. 2003-14. This GM Genuine Part is designed,...
$14.59
MSRP $24.52
Save $9.93
40.5% Off
2563323010 - : Gasket for Hyundai Image

Gasket

Hyundai 25633-23010
Elantra. Upper. 2.0L, thermostat cover. Tiburon. 2.0l.
$5.91
MSRP $7.69
Save $1.78
23.1% Off
12556594 - : Engine Coolant Water Outlet for GM Image

Engine Coolant Water Outlet

All models. 5.0l, 5.7l. Express, savana. 5.0l, 5.7l. 1/2, 3/4 & 1 ton, 1996 new style, 5.0, 5.7L. Thick base helps prevent leaks by...
$26.87
MSRP $45.16
Save $18.29
40.5% Off
13276981 - : Engine Control Module Wiring Harness Bracket for GM Image

Engine Control Module Wiring Harness Bracket

1.8L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$4.70
MSRP $6.60
Save $1.90
28.8% Off
10147884 - : Engine Coolant Water Outlet for GM Image

Engine Coolant Water Outlet

All models. 5.0l, 5.7l. Exc.Armored Body Equipment. Thick base helps prevent leaks by minimizing warpage Leak-resistant Neoprene O-ring...
$54.23
MSRP $93.50
Save $39.27
42% Off
W719804S437 - : Engine Coolant Water Outlet Stud for Ford Image

Engine Coolant Water Outlet Stud

2.0L.
$3.10
MSRP $5.00
Save $1.90
38% Off
13050ZA000 - : Gasket for Nissan Image

Gasket

Nissan 13050-ZA000
$3.89
MSRP $5.23
Save $1.34
25.6% Off
1932159B004 - : Gasket for Acura Image

Gasket

Integra. Thermostat housing gasket. 1.5L turbo.
$6.00
MSRP $7.94
Save $1.94
24.4% Off
1632103060 - : Housing for Toyota Image

Housing

Toyota 16321-03060
Camry. 4 cylinder. 2.2L. Celica. RAV4. Outlet. Without turbo. Gt, gt-s.
$35.36
MSRP $50.05
Save $14.69
29.4% Off

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