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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.

163230P030 - : Engine Coolant Thermostat Housing for Toyota Image

Engine Coolant Thermostat Housing

Toyota 16323-0P030
$77.56
MSRP $110.26
Save $32.70
29.7% Off
1632115020 - : Engine Coolant Thermostat Housing for Toyota Image

Engine Coolant Thermostat Housing

Toyota 16321-15020
Corolla. Gas. Liftback, sedan, wagon. Japan built. Coupe. Without gts. Celica. Without turbo. St.
$58.86
MSRP $83.32
Save $24.46
29.4% Off
1632175020 - : Engine Coolant Thermostat Housing for Toyota Image

Engine Coolant Thermostat Housing

Toyota 16321-75020
Tacoma. 2.7L. 4Runner.
$38.18
MSRP $54.04
Save $15.86
29.3% Off
163230S010 - : Engine Coolant Thermostat Housing for Toyota Image

Engine Coolant Thermostat Housing

Toyota 16323-0S010
Sequoia. Tundra. Without tow package. Crew max. 5.7L, with tow package. Land Cruiser. With towing package.
$62.03
MSRP $87.81
Save $25.78
29.4% Off
1632122070 - : Engine Coolant Thermostat Housing for Toyota Image

Engine Coolant Thermostat Housing

Toyota 16321-22070
Without xrs. Corolla. Matrix. Celica. Gt. To 05/2000. Type-C. From 04-00. MR2. From 04/2000.
$22.52
MSRP $29.26
Save $6.74
23% Off
19305PR7A00 - : Engine Coolant Thermostat Gasket for Acura Image

Engine Coolant Thermostat Gasket

MDX. TL. RL. TLX. TSX. 3.5L. ZDX. RDX. CL. 3.0l. CL. 3.2l.
$6.22
MSRP $8.23
Save $2.01
24.4% Off
19301R40A01 - : Engine Coolant Thermostat Kit for Acura Image

Engine Coolant Thermostat Kit

Incl.Gasket,Housing and Thermostat. TSX. 2.4L, fuji seiko.
$80.84
MSRP $115.15
Save $34.31
29.8% Off
19301R40A02 - : Engine Coolant Thermostat Kit for Acura Image

Engine Coolant Thermostat Kit

Incl.Gasket,Housing and Thermostat. TSX. 2.4L, nippon.
$80.84
MSRP $115.15
Save $34.31
29.8% Off
19301RTA003 - : Engine Coolant Thermostat Kit for Acura Image

Engine Coolant Thermostat Kit

Incl.Gasket,Housing and Thermostat. RDX.
$86.07
MSRP $122.60
Save $36.53
29.8% Off
19321R4HA00 - : Engine Coolant Thermostat Housing for Acura Image

Engine Coolant Thermostat Housing

ILX. 2.4L, 2016-22.
$157.44
MSRP $224.27
Save $66.83
29.8% Off
1930558GA00 - : Engine Coolant Thermostat Gasket for Acura Image

Engine Coolant Thermostat Gasket

$6.85
MSRP $9.07
Save $2.22
24.5% Off
21250BV81A - : Engine Coolant Thermostat Kit for Nissan Image

Engine Coolant Thermostat Kit

Nissan 21250-BV81A
Control Valve and Thermostat Assy. Without nismo rs. 1.6L.
$484.63
MSRP $708.52
Save $223.89
31.6% Off

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