OEM Toyota Thermostats

16342F0020 - : Engine Coolant Control Valve for Toyota Image

Engine Coolant Control Valve

Toyota 16342-F0020
Tacoma. Incl.Thermostat. 4Runner. Control Valve. Incl.Gasket. Land Cruiser.
$693.55
MSRP $994.50
Save $300.95
30.3% Off
1632636010 - : Engine Water Pump Housing Gasket for Toyota Image

Engine Water Pump Housing Gasket

Toyota 16326-36010
2.7L. With hybrid. Sienna.
$23.67
MSRP $33.08
Save $9.41
28.4% Off
90178A0032 - : Seat Back Frame Nut for Toyota Image

Seat Back Frame Nut

Toyota 90178-A0032
Third seat, passenger side. 2.4L. Gt. Fuel tank & components.
$1.42
MSRP $1.98
Save $0.56
28.3% Off
9008012001 - : Engine Oil Cooler Line Stud for Toyota Image

Engine Oil Cooler Line Stud

Toyota 90080-12001
2.4L, by-pass pipe. Lower. Gt-s.
$1.42
MSRP $1.98
Save $0.56
28.3% Off
1632525010 - : Engine Water Pump Housing Gasket for Toyota Image

Engine Water Pump Housing Gasket

Toyota 16325-25010
$4.27
MSRP $5.97
Save $1.70
28.5% Off
90105A0127 - : Engine Water Pump Pulley Bolt for Toyota Image

Engine Water Pump Pulley Bolt

Toyota 90105-A0127
All Required. 2.5L. Japan part. 3.5L. 2.7L. 1.8L gas. Water pump,bolt. 2.4L hybrid. 2.4L hoses, pipes and components. Short.
$1.65
MSRP $2.31
Save $0.66
28.6% Off
90178A0023 - : Tire Pressure Monitoring System (TPMS) Control Module Nut for Toyota Image

Tire Pressure Monitoring System (TPMS) Control Module Nut

Toyota 90178-A0023
$1.30
MSRP $1.81
Save $0.51
28.2% Off
1627825020 - : By-Pass Pipe for Toyota Image

By-Pass Pipe

Toyota 16278-25020
Us built, thermostat & hoses, #1. Japan built, thermostat & hoses, #1.
$44.38
MSRP $62.03
Save $17.65
28.5% Off
16282F0230 - : By-Pass Hose for Toyota Image

By-Pass Hose

Toyota 16282-F0230
Sienna. To thermostat housing.
$8.20
MSRP $11.46
Save $3.26
28.4% Off
1629725010 - : Engine Coolant Hose for Toyota Image

Engine Coolant Hose

Toyota 16297-25010
Engine Cooling. Pipe to Outlet Flange. Without hybrid, reservoir & hoses. Us built, thermostat & hoses, #9. Exc.Japan Built. Japan...
$7.13
MSRP $9.96
Save $2.83
28.4% Off
163220P040 - : Engine Coolant Pipe for Toyota Image

Engine Coolant Pipe

Toyota 16322-0P040
3.5L 2017-20. without tow package. 3.5L, thermostat & hoses.
$70.08
MSRP $97.96
Save $27.88
28.5% Off
1627925010 - : By-Pass Pipe for Toyota Image

By-Pass Pipe

Toyota 16279-25010
Without hybrid, reservoir & hoses. Us built, thermostat & hoses, #3.
$18.55
MSRP $25.93
Save $7.38
28.5% Off

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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.