Thermostat

The Toyota thermostat in the engine acts as a regulation valve that controls the flow of coolant. It is imperative that the engine is allowed to reach a specific temperature before coolant is sent to it. The thermostat controls the amount of coolant going to the radiator and makes it run efficiently, so it's definitely not a part to ignore if there are issues. If your OEM thermostat is going bad, you will see several warning signs. You might notice a high-temperature reading that jumps up within the first fifteen minutes of starting the car. This is known as being in the "red zone" and should be taken extremely seriously. There could also be a low-temperature reading resulting in an underheated engine. Watch for the temperature changing erratically or coolant leaks that signify a problem. If you ignore these signs, you might end up stranded on the side of the road with an engine that isn't working properly. To keep your Toyota's engine running smoothly, you want to replace the defective part with an OEM replacement thermostat. Only OEM thermostats are going to fit the make and model of your vehicle perfectly and allow you to be confident during the installation process. Find the right one for your make and model along with other cooling system parts by browsing below.

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Thermostat
Part Number: 90916-03147
Other Names: Thermostat Element More Names
Description: IQ More Info
Fits:
  • Scion:
    • iQ
$29.48
$22.15
$29.48
$22.15
Thermostat
Part Number: 32971-45010
Other Names: Thermostat Transmission More Names
Description: 3.5 LITER, 2017-20 More Info
Fits:
  • Toyota:
    • Sienna
$159.84
$110.02
$159.84
$110.02
Thermostat Housing
Part Number: 16321-0F010
Other Names: Water Inlet, Thermostat Cover, Housing, Inlet Tube, Inlet Water More Names
Replaces: 16321-50020
Description: 4.7 LITER More Info
Fits:
  • Toyota:
    • 4Runner,
    • Land Cruiser,
    • Sequoia,
    • Tundra
$68.24
$49.24
$68.24
$49.24
Thermostat Gasket
Part Number: 16325-36010
Other Names: Thermostat Unit Seal, Water Inlet Seal, Gasket Water Inlet More Names
Description: CAMRY HYBRID More Info
Notes: Included With Water Inlet W/thermostat. Included With Thermostat Unit. More Notes
Fits:
  • Toyota:
    • Avalon,
    • Camry
$5.32
$4.00
$5.32
$4.00
Thermostat Gasket
Part Number: 16326-37020
Other Names: Thermostat Housing Gasket, Water Inlet Gasket, Gasket Water Inlet More Names
Description: PRIUS More Info
Notes: Included With Thermostat Housing. Included With Water Inlet. More Notes
Fits:
  • Toyota:
    • Prius,
    • Prius AWD-e,
    • Prius Plug-In,
    • Prius Prime,
    • Prius V
$5.40
$4.06
$5.40
$4.06
Thermostat Gasket
Part Number: 16341-35010
Other Names: Water Inlet Gasket, Engine Coolant Thermostat Gasket, Gasket Water Outlet More Names
Replaces: 16341-65010
Description: ALL MODELS More Info
Fits:
  • Toyota:
    • 4Runner,
    • Celica,
    • Cressida,
    • Pickup,
    • Supra,
    • T100
  • 1 more
$3.16
$2.38
$3.16
$2.38
Thermostat Unit
Part Number: 32971-34030
Other Names: Thermostat Transmission More Names
Description: 4.6 LITER, W/TOWING PACKAGE More Info
Fits:
  • Toyota:
    • Tundra
$159.84
$110.02
$159.84
$110.02
Thermostat Gasket
Part Number: 16325-0T030
Other Names: Thermostat Seal, Thermostat Housing Seal, Gasket, Water Inlet Gasket, Thermostat Housing Gasket, Gasket Water Inlet More Names
Replaces: 16325-0H030, 16325-28010
Description: TC More Info
Fits:
  • Scion:
    • iM,
    • tC,
    • xB,
    • xD
  • Toyota:
    • C-HR,
    • Camry,
    • Corolla,
    • Corolla iM,
    • Highlander,
    • Matrix,
    • RAV4,
    • Sienna,
    • Solara,
    • Venza
  • 9 more
$6.64
$4.99
$6.64
$4.99
Thermostat Gasket
Part Number: 16346-50010
Other Names: Gasket, Gasket Thermostat More Names
Description: TUNDRA More Info
Fits:
  • Toyota:
    • 4Runner,
    • Land Cruiser,
    • Sequoia,
    • Tundra
$5.52
$4.15
$5.52
$4.15
Engine Coolant Thermostat
Part Number: 90916-03090
Other Names: Thermostat More Names
Replaces: 90916-03060
Description: CELICA; GT; FROM 3/96 More Info
Fits:
  • Toyota:
    • Camry,
    • Celica,
    • Corolla,
    • MR2,
    • RAV4,
    • Solara
  • 1 more
$31.52
$23.69
$31.52
$23.69
Thermostat Housing Seal
Part Number: 16325-0P020
Other Names: Thermostat Housing Gasket, Housing Gasket, Gasket Water Inlet More Names
Description: 3.5 LITER More Info
Fits:
  • Toyota:
    • Avalon,
    • Camry,
    • Highlander,
    • RAV4,
    • Sienna,
    • Venza
  • 1 more
$2.33
$1.75
$2.33
$1.75
Engine Coolant Thermostat
Part Number: 90916-03075
Other Names: Thermostat More Names
Description: T100; 6 CYLINDER More Info
Fits:
  • Toyota:
    • 4Runner,
    • Camry,
    • Celica,
    • MR2,
    • T100,
    • Tacoma,
    • Tundra
  • 2 more
$31.21
$23.46
$31.21
$23.46
Thermostat Housing Bolt
Part Number: 90105-A0338
Other Names: Engine Coolant Thermostat Housing Bolt, Bolt Flange More Names
Replaces: 90105-06352
Fits:
  • Toyota:
    • Corolla
$0.72
$0.54
$0.72
$0.54
Thermostat Housing Gasket
Part Number: 16325-31010
Other Names: Housing Gasket, Thermostat Gasket, Thermostat Housing Seal, Gasket Water Inlet More Names
Description: 3.5 LITER, JAPAN BUILT More Info
Fits:
  • Toyota:
    • 4Runner,
    • Avalon,
    • Camry,
    • FJ Cruiser,
    • Highlander,
    • RAV4,
    • Sienna,
    • Tacoma,
    • Tundra,
    • Venza
  • 5 more
$1.93
$1.45
$1.93
$1.45
Thermostat O-Ring
Part Number: 16325-76010
Other Names: Gasket, Thermostat Gasket, Gasket Water Inlet More Names
Replaces: 16325-0C030
Description: TACOMA More Info
Fits:
  • Toyota:
    • 4Runner,
    • Previa,
    • T100,
    • Tacoma
$6.64
$4.99
$6.64
$4.99
Engine Coolant Thermostat
Part Number: 90916-03079
Other Names: Thermostat More Names
Description: PICK-UP, 4-RUNNER; GAS; W/O TURBO; 6 CYLINDER More Info
Fits:
  • Toyota:
    • 4Runner,
    • Pickup,
    • T100
$35.49
$26.68
$35.49
$26.68
Engine Coolant Thermostat Housing
Part Number: 16031-24010
Other Names: Thermostat Housing, Water Inlet, Inlet Sub-Assembly Wate More Names
Description: Corolla hatchback. More Info
Notes: Includes Thermostat. More Notes
Fits:
  • Toyota:
    • Corolla
$95.62
$65.83
$95.62
$65.83
Engine Coolant Thermostat Housing
Part Number: 16321-65030
Other Names: Thermostat Housing, Water Inlet, Inlet Water More Names
Replaces: 16321-65010, 16321-65020
Description: T100; 6 CYLINDER More Info
Fits:
  • Toyota:
    • 4Runner,
    • Pickup,
    • T100
$55.05
$39.72
$55.05
$39.72
Inlet Sub Assembly Wate
Part Number: 16031-25011
Other Names: Thermostat, Water Inlet, Thermostat Housing, Thermostat Unit, Inlet Sub-Assembly Wate More Names
Replaces: 16031-25010
Description: Camry. 2.5L, with thermostat. Us built, thermostat & hoses. Japan built, thermostat & hoses. Without hybrid, reservoir & hoses.... More Info
Notes: Includes Thermostat. Includes Gasket. More Notes
$61.06
$44.05
$61.06
$44.05
Engine Coolant Thermostat Gasket
Part Number: 16325-62010
Other Names: Thermostat Gasket, Water Inlet Gasket, Gasket, Thermostat Seal, Water Inlet Seal, Thermostat Housing Gasket, Engine Coolant Water... More Names
Replaces: 16325-0H020
Description: XA More Info
Fits:
  • Scion:
    • xA,
    • xB,
    • xD
  • Toyota:
    • 4Runner,
    • Avalon,
    • Camry,
    • Celica,
    • Corolla,
    • Echo,
    • Highlander,
    • Matrix,
    • MR2,
    • MR2 Spyder,
    • Previa,
    • Prius,
    • RAV4,
    • Sienna,
    • Solara,
    • Supra,
    • T100,
    • Tacoma,
    • Tundra,
    • Venza,
    • Yaris
  • 19 more
$7.01
$5.26
$7.01
$5.26
Thermostat Housing O-Ring
Part Number: 16326-47020
Other Names: Engine Coolant Thermostat Gasket, Gasket Water Inlet More Names
Replaces: 16326-47010
Description: W/HYBRID, RESERVOIR & HOSES More Info
Notes: Included With Thermostat Housing. More Notes
Fits:
  • Toyota:
    • Avalon,
    • Camry,
    • RAV4
$0.86
$0.65
$0.86
$0.65
Thermostat
Part Number: 90118-WB459
Description: IA More Info
Fits:
  • Scion:
    • iA
  • Toyota:
    • Yaris,
    • Yaris iA
$23.71
$17.83
$23.71
$17.83
Thermostat
Part Number: 90916-03099
Replaces: 90916-03043, 90916-03062, 90916-03072
Description: PICK-UP, 4-RUNNER; DIESEL More Info
Fits:
  • Toyota:
    • Pickup
$28.60
$21.50
$28.60
$21.50
Thermostat
Part Number: 90916-03145
Description: AUTO TRANS More Info
Notes: Order By Description. More Notes
Fits:
  • Scion:
    • xD
  • Toyota:
    • Corolla,
    • Matrix
$28.49
$21.41
$28.49
$21.41
Thermostat
Part Number: SU003-00408
Positions: Upper
Other Names: Thermo Gasket Ay More Names
Description: FR-S; NO.2 (AT REAR OF ENGINE) More Info
Notes: Includes Gasket. More Notes
Fits:
  • Scion:
    • FR-S
  • Toyota:
    • 86
$39.07
$31.58
$39.07
$31.58
Thermostat
Part Number: 90916-03052
Replaces: 90916-03071
Description: LAND CRUISER More Info
Fits:
  • Toyota:
    • Land Cruiser
$58.76
$42.40
$58.76
$42.40
Thermostat
Part Number: 90916-03125
Fits:
  • Toyota:
    • Celica,
    • Corolla,
    • MR2 Spyder
$28.55
$21.45
$28.55
$21.45
Thermostat
Part Number: 90916-03136
Replaces: 90916-C3001
Description: TC More Info
Fits:
  • Scion:
    • tC,
    • xB
  • Toyota:
    • Camry,
    • Corolla,
    • Highlander,
    • Matrix,
    • RAV4,
    • Solara
  • 3 more
$28.52
$21.44
$28.52
$21.44
Thermostat
Part Number: 90916-03144
Description: XD More Info
Notes: Order By Description. More Notes
Fits:
  • Scion:
    • xD
  • Toyota:
    • Corolla,
    • Matrix
$28.49
$21.41
$28.49
$21.41
Thermostat
Part Number: 90916-03100
Description: Land Cruiser. Sequoia. Tundra. 4.0L. 4.7L. 4-runner. 8 cylinder. More Info
Fits:
  • Toyota:
    • 4Runner,
    • Land Cruiser,
    • Sequoia,
    • Tundra
$28.60
$21.50
$28.60
$21.50
Thermostat
Part Number: 90916-03115
Replaces: 90916-03109
Description: CELICA; ST More Info
Fits:
  • Toyota:
    • Celica
$35.49
$26.68
$35.49
$26.68
Thermostat
Part Number: 90916-03117
Replaces: 90916-03094
Description: LAND CRUISER More Info
Fits:
  • Toyota:
    • Land Cruiser
$31.52
$23.69
$31.52
$23.69
Thermostat
Part Number: 90916-03120
Replaces: 90916-03088, 90916-03101
Description: T100; 4 CYLINDER More Info
Fits:
  • Toyota:
    • 4Runner,
    • Previa,
    • T100,
    • Tacoma
$35.80
$26.90
$35.80
$26.90
Thermostat
Part Number: 90916-03046
Replaces: 90916-03069
Description: COROLLA More Info
Fits:
  • Toyota:
    • Camry,
    • Celica,
    • Corolla,
    • MR2,
    • Paseo,
    • RAV4,
    • Tercel,
    • Van
  • 3 more
$28.69
$21.56
$28.69
$21.56
Thermostat
Part Number: 90916-03078
Replaces: 90916-03022, 90916-03023, 90916-03029, 90916-03036, 90916-03040, 90916-03055
Description: SUPRA; ALL More Info
Fits:
  • Toyota:
    • 4Runner,
    • Celica,
    • Corolla,
    • Cressida,
    • Pickup,
    • Starlet,
    • Supra
  • 2 more
$28.52
$21.44
$28.52
$21.44
Thermostat
Part Number: 90916-03083
Replaces: 90916-03016, 90916-03028, 90916-03033, 90916-03034, 90916-03035, 90916-03037, 90916-03037-72, 90916-03054, 90916-03056
Description: PICK-UP, 4-RUNNER; GAS; W/TURBO More Info
Fits:
  • Toyota:
    • Pickup
$28.52
$21.44
$28.52
$21.44
Thermostat
Part Number: 90916-03093
Description: XA More Info
Fits:
  • Scion:
    • xA,
    • xB
  • Toyota:
    • 4Runner,
    • Echo,
    • Prius,
    • Supra,
    • Tacoma,
    • Yaris
  • 3 more
$28.69
$21.56
$28.69
$21.56
Thermostat
Part Number: 90916-03107
Description: COROLLA More Info
Fits:
  • Toyota:
    • Corolla
$35.49
$26.68
$35.49
$26.68
Thermostat
Part Number: 90916-03138
Description: Sequoia. Tundra. 4.7L. 4-runner. 8 cylinder. More Info
Fits:
  • Toyota:
    • 4Runner,
    • Land Cruiser,
    • Sequoia,
    • Tundra
$48.96
$36.79
$48.96
$36.79
Thermostat
Part Number: 90916-03157
Description: TACOMA More Info
Fits:
  • Toyota:
    • Tacoma
$28.38
$21.33
$28.38
$21.33
Thermostat
Part Number: 90916-A3002
Replaces: 90916-03133, 90916-03140, 90916-A3001
Description: Highlander Hybrid. Corolla. Sienna. Matrix. Avalon. Venza. Camry. RAV4. 2011-13. 3.5L, 2011-16. 3.5L, us built. 3.5L, japan built. 1.8L,... More Info
Notes: Order By Description. More Notes
Fits:
  • Toyota:
    • Avalon,
    • Camry,
    • Corolla,
    • Highlander,
    • Matrix,
    • RAV4,
    • Sienna,
    • Venza
  • 3 more
$28.52
$21.44
$28.52
$21.44
Thermostat
Part Number: 90916-A3003
Replaces: 90916-03084, 90916-03129
Description: Highlander Hybrid. Corolla. Avalon. Solara. Celica. Sienna. Matrix. Venza. Camry. RAV4. MR2. TC. XD. 3.0L. 2.5L. Gt-s. 2008-10. 3.0 &... More Info
Fits:
  • Scion:
    • tC,
    • xD
  • Toyota:
    • Avalon,
    • Camry,
    • Celica,
    • Corolla,
    • Highlander,
    • Matrix,
    • MR2 Spyder,
    • RAV4,
    • Sienna,
    • Solara,
    • Venza
  • 8 more
$28.55
$21.45
$28.55
$21.45
Thermostat
Part Number: 90916-A3004
Replaces: 90916-03148, 90916-03149
Description: IM More Info
Fits:
  • Scion:
    • iM
  • Toyota:
    • C-HR,
    • Corolla,
    • Corolla iM,
    • RAV4
$28.38
$21.33
$28.38
$21.33
Thermostat
Part Number: SU003-04960
Positions: Lower
Other Names: Thermo Gasket Ay More Names
Replaces: SU003-00407
Description: FR-S; NO.1 (AT WATER PUMP) More Info
Notes: Includes Gasket. More Notes
Fits:
  • Scion:
    • FR-S
  • Toyota:
    • 86
$39.07
$31.58
$39.07
$31.58
Thermostat Housing
Part Number: SU003-00114
Positions: Upper
Other Names: Cover-Thermo More Names
Description: FR-S; AUTO TRANS More Info
Fits:
  • Scion:
    • FR-S
  • Toyota:
    • 86
$21.66
$17.50
$21.66
$17.50
Thermostat Housing
Part Number: SU003-04082
Other Names: Cover, Cover-Thermo More Names
Description: FR-S; MANUAL TRANS More Info
Fits:
  • Scion:
    • FR-S
  • Toyota:
    • 86
$9.08
$7.34
$9.08
$7.34
Thermostat Housing
Part Number: 16304-61030
Other Names: Outlet Sub-Assembly Wat More Names
Description: LAND CRUISER; HOUSING More Info
Fits:
  • Toyota:
    • Land Cruiser
$188.86
$129.44
$188.86
$129.44
Thermostat Housing
Part Number: 16321-15020
Other Names: Inlet Hose, Inlet Water More Names
Description: JAPAN BUILT More Info
Fits:
  • Toyota:
    • Celica,
    • Corolla
$62.95
$45.42
$62.95
$45.42
Thermostat Housing
Part Number: 16321-16030
Other Names: Inlet Water More Names
Description: COROLLA; GAS; COUPE; W/GTS More Info
Fits:
  • Toyota:
    • Corolla
$63.33
$45.68
$63.33
$45.68
Thermostat Housing
Part Number: 16321-20010
Other Names: Housing, Inlet Water More Names
Replaces: 16321-0A020
Description: 3.0 LITER More Info
Fits:
  • Toyota:
    • Camry,
    • Solara
$94.24
$64.88
$94.24
$64.88

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