OEM Toyota Thermostats

90916A3002 - : Engine Coolant Thermostat for Toyota Image

Engine Coolant Thermostat

Toyota 90916-A3002
$24.15
MSRP $33.74
Save $9.59
28.4% Off
9091603136 - : Engine Coolant Thermostat for Toyota Image

Engine Coolant Thermostat

Toyota 90916-03136
$29.02
MSRP $40.57
Save $11.55
28.5% Off
9091603115 - : Engine Coolant Thermostat for Toyota Image

Engine Coolant Thermostat

Toyota 90916-03115
Celica. St.
$27.24
MSRP $38.07
Save $10.83
28.4% Off
9030120012 - : Thermostat Unit O-Ring for Toyota Image

Thermostat Unit O-Ring

Toyota 90301-20012
O-Ring. Small. GR Corolla. Right.
$4.15
MSRP $5.81
Save $1.66
28.6% Off
16A3177040 - : Engine Coolant Thermostat for Toyota Image

Engine Coolant Thermostat

Toyota 16A31-77040
Temperature Control Valve. Fuel Cell Cooling.
$233.30
MSRP $334.53
Save $101.23
30.3% Off
9091603079 - : Engine Coolant Thermostat for Toyota Image

Engine Coolant Thermostat

Toyota 90916-03079
Fits 4Runner, T100, Truck Gas. T100. 6 cylinder. Pick-up, 4-runner. Pick-up. 6 cylinder. 4-runner. 6 cylinder....
$27.72
MSRP $38.74
Save $11.02
28.4% Off
1632637010 - : Thermostat Housing Gasket for Toyota Image

Thermostat Housing Gasket

Toyota 16326-37010
Without valvematic eng.
$7.84
MSRP $10.96
Save $3.12
28.5% Off
9091603100 - : Engine Coolant Thermostat for Toyota Image

Engine Coolant Thermostat

Toyota 90916-03100
Fits 4Runner, Land Cruiser, Sequoia, Tundra 4.7L. 4.0L. Tundra. Sequoia. Land Cruiser. 4-runner. 8 cylinder.
$27.12
MSRP $37.91
Save $10.79
28.5% Off
9091603075 - : Engine Coolant Thermostat for Toyota Image

Engine Coolant Thermostat

Toyota 90916-03075
Fits 4Runner, Camry, Celica, MR2, T100, Tacoma , Tundra MR2. 3.4L. Tundra. Celica. Gt, gt-s. Without turbo. T100. 6...
$27.48
MSRP $38.41
Save $10.93
28.5% Off
9091603157 - : Engine Coolant Thermostat for Toyota Image

Engine Coolant Thermostat

Toyota 90916-03157
2.7L. Tacoma. From 08/2015.
$23.67
MSRP $33.08
Save $9.41
28.4% Off
9091603090 - : Engine Coolant Thermostat for Toyota Image

Engine Coolant Thermostat

Toyota 90916-03090
$27.48
MSRP $38.41
Save $10.93
28.5% Off
16342F0010 - : Engine Coolant Thermostat for Toyota Image

Engine Coolant Thermostat

Toyota 16342-F0010
Control Valve. Incl.Gasket. Incl.Thermostat. Grand Highlander. 2.4L hybrid. 2.4L hoses, pipes and components. Crown.
$796.68
MSRP $1,142.38
Save $345.70
30.3% Off

No results found for "thermostat". 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!


Everything You Should Know About Thermostats

The thermostat regulates the flow of coolant to keep your Toyota’s engine at its ideal operating temperature. Whether you drive a reliable Toyota 4Runner or another model, this small part prevents overheating and ensures optimal engine efficiency.

How a Thermostat Works

When your engine starts cold, the thermostat remains closed to help the engine warm up quickly. Once the desired temperature is reached, it opens to circulate coolant through the radiator. If the thermostat fails, your engine may overheat or take longer to reach operating temperature. Pairing your thermostat with properly functioning valve covers helps maintain overall engine health.

Key Benefits of a Thermostat

  • Regulates coolant temperature efficiently.
  • Prevents overheating and improves longevity.
  • Ensures smoother cold starts.
  • Enhances heater performance during winter.
  • Maintains consistent engine performance.

Basic Maintenance Tips for Thermostats

  1. Check coolant levels regularly to prevent air pockets.
  2. Replace the thermostat if your temperature gauge fluctuates.
  3. Use high-quality coolant recommended for your Toyota.
  4. Inspect for leaks around the thermostat housing.
  5. Flush the cooling system periodically for best results.

Related Parts to Check

  • Water pump: Circulates coolant through the system.
  • Radiator hose: Transfers coolant between engine and radiator.
  • Temperature sensor: Monitors coolant heat levels.
  • Radiator cap: Maintains correct pressure in the system.
  • Valve cover gasket: Keeps engine oil sealed and protected.

Keep your cooling system running smoothly with genuine Toyota components. For the best selection and pricing, contact Toyota Parts Express. We guarantee factory-built thermostats designed for reliability.