Thermostat

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A thermostat is a device sensitive to temperature that adjusts to maintain the temperature of your Toyota in the required range. Sitting between the engine and the radiator, it helps to block the flow of coolant to the radiator until your engine has warmed up properly. It then allows coolant to flow through as needed, switching from open to closed to help keep your engine running at the perfect temperature for optimal performance. It's crucial that you pay attention to how your thermostat is functioning so that you can replace the part if needed. A sign that you might need a new thermostat is if your temperature gauge goes into the red zone shortly after warming your car up - usually within the first 15 minutes. A thermostat stuck in an open or closed position means that your engine is not going to be kept at the proper temperature. This can result in decreased performance, lowered fuel economy, and your engine can even become damaged if it overheats! Our webstore carries OEM thermostats so you can replace your old one if needed. OEM Toyota thermostats will fit your make and model perfectly and give you peace of mind that your car's temperature is just right.

Thermostat
Part Number: 32971-45010
Other Names: Thermostat Transmission More Names
Description: 3.5L, 2017-20. More Info
Fits:
  • Toyota:
    • Sienna
MSRP $161.42
$119.45
MSRP $161.42
$119.45
Thermostat
Part Number: 90916-03147
Other Names: Thermostat Element More Names
Description: IQ. More Info
Fits:
  • Scion:
    • iQ
MSRP $29.48
$21.82
MSRP $29.48
$21.82
Thermostat
Part Number: 32971-48030
Other Names: Thermostat Transmission More Names
Description: 3.5L. More Info
Fits:
  • Toyota:
    • Highlander
MSRP $161.42
$119.45
MSRP $161.42
$119.45
Thermostat
Part Number: 32971-WAA01
Other Names: Thermostat Transmission More Names
Description: 3.0L. 2.0L. More Info
Fits:
  • Toyota:
    • GR Supra
MSRP $86.97
$64.36
MSRP $86.97
$64.36
Thermostat Housing
Part Number: 16321-0F010
Other Names: Water Inlet, Thermostat Cover, Housing, Inlet Tube, Inlet Water More Names
Replaces: 16321-50020
Description: 4.7L. Cover. Outlet. Tundra. Sequoia. Water inlet. Land Cruiser. More Info
Fits:
  • Toyota:
    • 4Runner,
    • Land Cruiser,
    • Sequoia,
    • Tundra
MSRP $68.90
$50.99
MSRP $68.90
$50.99
Thermostat Housing
Part Number: 16031-0P010
Other Names: Thermostat, Water Inlet, Inlet Tube, Thermostat Unit, Inlet Sub-Assembly Wate More Names
Replaces: 16031-31010, 16031-31011
Description: Tacoma. Tundra. 4Runner. FJ Cruiser. 4-runner. 6 cylinder. 4.0L, with thermostat. Includes water inlet. More Info
Notes: 10. More Notes
Fits:
  • Toyota:
    • 4Runner,
    • FJ Cruiser,
    • Tacoma,
    • Tundra
MSRP $51.00
$37.74
MSRP $51.00
$37.74
Thermostat Housing
Part Number: 16321-11011
Other Names: Engine Coolant Thermostat Housing, Inlet Water More Names
Description: Paseo. Tercel. Auto trans. Water inlet. Liftback, sedan, wagon. More Info
Fits:
  • Toyota:
    • Paseo,
    • Tercel
MSRP $56.34
$41.69
MSRP $56.34
$41.69
Thermostat Housing
Part Number: 16321-22050
Other Names: Engine Coolant Thermostat Housing, Inlet Water More Names
Replaces: 16321-22060
Description: Gt. MR2. Type-B. Celica. To 04-00. To 05/2000. More Info
Fits:
  • Toyota:
    • Celica,
    • Corolla,
    • MR2 Spyder
MSRP $62.06
$45.92
MSRP $62.06
$45.92
Thermostat Housing
Part Number: 16321-22070
Other Names: Water Inlet, Engine Coolant Thermostat Housing, Inlet Water More Names
Description: Gt. MR2. Matrix. Celica. Type-C. Corolla. From 04-00. To 05/2000. Without xrs. From 04/2000. More Info
Fits:
  • Toyota:
    • Celica,
    • Corolla,
    • Matrix,
    • MR2 Spyder
MSRP $20.11
$14.88
MSRP $20.11
$14.88
Thermostat Housing
Part Number: 16323-0P010
Positions: Lower
Other Names: Water Inlet, Water Separator, Engine Coolant Thermostat Housing, Housing Water Inlet More Names
Replaces: 16323-31011
Description: Tacoma. From 3/04. FJ Cruiser. Exc.Towing Package. 4-runner. 6 cylinder. Exc.Japan Built Part. 4.0L, without oil cooler. 4.0L, without... More Info
Fits:
  • Toyota:
    • 4Runner,
    • FJ Cruiser,
    • Tacoma
MSRP $145.04
$107.33
MSRP $145.04
$107.33
Thermostat Gasket
Part Number: 16325-0T030
Other Names: Thermostat Seal, Thermostat Housing Seal, Gasket, Water Inlet Gasket, Engine Coolant Thermostat Seal, Engine Coolant Thermostat... More Names
Replaces: 16325-0H030, 16325-28010
Fits:
  • Scion:
    • iM,
    • tC,
    • xB,
    • xD
  • Toyota:
    • C-HR,
    • Camry,
    • Corolla,
    • Corolla iM,
    • Highlander,
    • Matrix,
    • RAV4,
    • Sienna,
    • Solara,
    • Venza
  • 9 more
MSRP $6.69
$4.95
MSRP $6.69
$4.95
Thermostat Housing
Part Number: 16331-35051
Other Names: Engine Coolant Thermostat Housing, Outlet Water More Names
Replaces: 16331-35050
Description: Carb. Gas. 4 cylinder. Pick-up, 4-runner. More Info
Fits:
  • Toyota:
    • Pickup
MSRP $64.33
$47.60
MSRP $64.33
$47.60
Thermostat Housing
Part Number: 16321-10011
Other Names: Engine Coolant Thermostat Housing, Inlet Water More Names
Description: Paseo. Tercel. Water inlet. Manual trans. Liftback, sedan, wagon. More Info
Fits:
  • Toyota:
    • Paseo,
    • Tercel
MSRP $56.34
$41.69
MSRP $56.34
$41.69
Thermostat Housing
Part Number: 16321-20030
Positions: Upper
Other Names: Water Inlet, Cover, Engine Coolant Thermostat Housing, Inlet Water More Names
Replaces: 16321-0A030
Description: Avalon. Sienna. 2008-10. 3.0 & 3.3L. Solara. 3.3l. From 01/2003. Camry. 3.0l, 3.3l. Highlander Hybrid. Highlander. 3.0l, 3.3l. More Info
Fits:
  • Toyota:
    • Avalon,
    • Camry,
    • Highlander,
    • Sienna,
    • Solara
MSRP $78.44
$58.05
MSRP $78.44
$58.05
Thermostat Housing
Part Number: 16323-31020
Positions: Lower
Other Names: Engine Coolant Thermostat Housing, Multiple-Part Name Code More Names
Description: Towing Package. 4-runner. 6 cylinder. 4.0L, with oil cooler. More Info
Fits:
  • Toyota:
    • 4Runner
MSRP $79.85
$59.09
MSRP $79.85
$59.09
Thermostat Gasket
Part Number: 16325-36010
Other Names: Engine Coolant Thermostat Housing Seal, Thermostat Unit Seal, Water Inlet Seal, Gasket Water Inlet More Names
Description: 2.5L. Camry Hybrid. Avalon hybrid. More Info
Notes: 16. More Notes
Fits:
  • Toyota:
    • Avalon,
    • Camry
MSRP $5.37
$3.97
MSRP $5.37
$3.97
Thermostat Housing
Part Number: 16331-35041
Other Names: Engine Coolant Thermostat Housing, Outlet Water More Names
Replaces: 16331-35040
Description: Celica. Gas. 4 cylinder. Pick-up, 4-runner. Fuel injection. 2wd. Pick-up. 4 cylinder. Without trailer pkg. 4-runner. 4 cylinder. More Info
Fits:
  • Toyota:
    • 4Runner,
    • Celica,
    • Pickup
MSRP $62.81
$46.48
MSRP $62.81
$46.48
Thermostat Housing
Part Number: 16323-0P030
Positions: Lower
Other Names: Housing, Water Inlet, Engine Coolant Thermostat Housing, Housing Water Inlet More Names
Fits:
  • Toyota:
    • Avalon,
    • Camry,
    • Highlander,
    • RAV4,
    • Sienna,
    • Venza
  • 1 more
MSRP $83.75
$61.98
MSRP $83.75
$61.98
Thermostat Gasket
Part Number: 16326-37020
Other Names: Thermostat Housing Gasket, Water Inlet Gasket, Gasket Water Inlet More Names
Description: Prius V. Prius Prime. Prius AWD-e. Without prime. 1.8L, reservoir & hoses, with hybrid le. More Info
Notes: 53. More Notes
Fits:
  • Toyota:
    • Corolla,
    • Prius,
    • Prius AWD-e,
    • Prius Plug-In,
    • Prius Prime,
    • Prius V
  • 1 more
MSRP $5.43
$4.02
MSRP $5.43
$4.02
Thermostat Gasket
Part Number: 16346-50010
Other Names: Gasket, Gasket Thermostat More Names
Description: 4.7L. Tundra. Sequoia. Land Cruiser. More Info
Fits:
  • Toyota:
    • 4Runner,
    • Land Cruiser,
    • Sequoia,
    • Tundra
MSRP $5.55
$4.11
MSRP $5.55
$4.11
Thermostat Unit
Part Number: 32971-34030
Other Names: Thermostat Transmission More Names
Description: 4.6L, with towing package. More Info
Fits:
  • Toyota:
    • Tundra
MSRP $161.42
$119.45
MSRP $161.42
$119.45
Engine Coolant Thermostat
Part Number: 90916-03090
Other Names: Thermostat More Names
Replaces: 90916-03060
Fits:
  • Toyota:
    • Camry,
    • Celica,
    • Corolla,
    • MR2,
    • RAV4,
    • Solara
  • 1 more
MSRP $35.82
$26.51
MSRP $35.82
$26.51
Engine Coolant Thermostat
Part Number: 90916-03138
Other Names: Thermostat More Names
Description: 4.7L. Tundra. Sequoia. From 07/2006. 4-runner. 8 cylinder. More Info
Fits:
  • Toyota:
    • 4Runner,
    • Land Cruiser,
    • Sequoia,
    • Tundra
MSRP $48.99
$36.25
MSRP $48.99
$36.25
Engine Coolant Thermostat
Part Number: 90916-A3003
Other Names: Thermostat More Names
Replaces: 90916-03084, 90916-03129
Fits:
  • Scion:
    • tC,
    • xD
  • Toyota:
    • Avalon,
    • Camry,
    • Celica,
    • Corolla,
    • Highlander,
    • Matrix,
    • MR2 Spyder,
    • RAV4,
    • Sienna,
    • Solara,
    • Venza
  • 8 more
MSRP $28.58
$21.15
MSRP $28.58
$21.15
Engine Coolant Thermostat
Part Number: 90916-03079
Other Names: Thermostat More Names
Description: Gas. T100. 6 cylinder. Pick-up, 4-runner. Pick-up. 6 cylinder. 4-runner. 6 cylinder. Without turbo. 6 cylinder. More Info
Fits:
  • Toyota:
    • 4Runner,
    • Pickup,
    • T100
MSRP $35.52
$26.28
MSRP $35.52
$26.28
Engine Coolant Thermostat
Part Number: 90916-03093
Other Names: Thermostat More Names
Fits:
  • Scion:
    • xA,
    • xB
  • Toyota:
    • 4Runner,
    • Echo,
    • Prius,
    • Supra,
    • Tacoma,
    • Yaris
  • 3 more
MSRP $28.69
$21.23
MSRP $28.69
$21.23
Thermostat Housing Stud
Part Number: 90080-11541
Other Names: Engine Coolant Thermostat Housing Stud, Bolt Stud More Names
Replaces: 92122-60612
Fits:
  • Toyota:
    • Highlander
MSRP $1.41
$1.04
MSRP $1.41
$1.04
Thermostat Housing Bolt
Part Number: 90105-A0338
Other Names: Engine Coolant Thermostat Housing Bolt, Bolt Flange More Names
Replaces: 90105-06352
Description: Hatchback,. More Info
Fits:
  • Toyota:
    • Corolla
MSRP $0.72
$0.53
MSRP $0.72
$0.53
Engine Coolant Thermostat
Part Number: 90916-03046
Other Names: Thermostat More Names
Replaces: 90916-03069
Fits:
  • Toyota:
    • Camry,
    • Celica,
    • Corolla,
    • MR2,
    • Paseo,
    • RAV4,
    • Tercel,
    • Van
  • 3 more
MSRP $28.69
$21.23
MSRP $28.69
$21.23
Engine Coolant Thermostat
Part Number: 90916-03078
Other Names: Thermostat More Names
Replaces: 90916-03022, 90916-03023, 90916-03029, 90916-03036, 90916-03040, 90916-03055
Fits:
  • Toyota:
    • 4Runner,
    • Celica,
    • Corolla,
    • Cressida,
    • Pickup,
    • Starlet,
    • Supra
  • 2 more
MSRP $28.52
$21.10
MSRP $28.52
$21.10
Engine Coolant Thermostat
Part Number: 90916-03125
Other Names: Thermostat More Names
Description: From 07/00. More Info
Fits:
  • Toyota:
    • Celica,
    • Corolla,
    • MR2 Spyder
MSRP $28.58
$21.15
MSRP $28.58
$21.15
Engine Coolant Thermostat
Part Number: 90916-03145
Other Names: Thermostat More Names
Description: Matrix. Corolla. Vendor:fuji seiko. 1.8L, auto trans, type c. 1.8L, japan built, type c. More Info
Fits:
  • Scion:
    • xD
  • Toyota:
    • Corolla,
    • Matrix
MSRP $28.49
$21.08
MSRP $28.49
$21.08
Thermostat Housing Gasket
Part Number: 16326-37010
Other Names: Engine Coolant Thermostat Housing Gasket, Gasket Water Inlet More Names
Description: Without valvematic eng. More Info
Fits:
  • Scion:
    • xD
  • Toyota:
    • Corolla,
    • Matrix
MSRP $8.27
$6.12
MSRP $8.27
$6.12
Thermostat Housing Stud
Part Number: 90080-11540
Other Names: Engine Coolant Thermostat Housing Stud, Bolt Stud More Names
Replaces: 90116-06070
Description: 3.3L. 3.0L. More Info
Fits:
  • Toyota:
    • Highlander
MSRP $1.41
$1.04
MSRP $1.41
$1.04
Engine Coolant Thermostat
Part Number: 90916-03075
Other Names: Thermostat More Names
Description: MR2. 3.4L. Tundra. Celica. Gt, gt-s. Without turbo. T100. 6 cylinder. Camry. 6 cylinder. Tacoma. 6 cylinder. 4-runner. 6 cylinder. More Info
Fits:
  • Toyota:
    • 4Runner,
    • Camry,
    • Celica,
    • MR2,
    • T100,
    • Tacoma,
    • Tundra
  • 2 more
MSRP $35.52
$26.28
MSRP $35.52
$26.28
Engine Coolant Thermostat
Part Number: 90916-03136
Other Names: Thermostat More Names
Replaces: 90916-C3001
Fits:
  • Scion:
    • tC,
    • xB
  • Toyota:
    • Camry,
    • Corolla,
    • Highlander,
    • Matrix,
    • RAV4,
    • Solara
  • 3 more
MSRP $28.52
$21.10
MSRP $28.52
$21.10
Engine Coolant Thermostat Housing
Part Number: 16323-0S030
Positions: Lower
Other Names: Housing, Thermostat Housing, Water Inlet, Engine Coolant Inlet Flange, Housing Water Inlet More Names
Replaces: 16323-38050
Description: 4.6L. Tundra. Sequoia. Housing. Japan part. More Info
Fits:
  • Toyota:
    • Sequoia,
    • Tundra
MSRP $73.47
$54.37
MSRP $73.47
$54.37
Engine Coolant Thermostat Gasket
Part Number: 16325-76010
Other Names: Gasket, Thermostat O-Ring, Thermostat Gasket, Gasket Water Inlet More Names
Replaces: 16325-0C030
Description: 2.7L. O-Ring. Tacoma. 4Runner. From 03/96. More Info
Fits:
  • Toyota:
    • 4Runner,
    • Previa,
    • T100,
    • Tacoma
MSRP $6.69
$4.95
MSRP $6.69
$4.95
Engine Coolant Thermostat Gasket
Part Number: 16326-47020
Other Names: Gasket, Water Inlet Gasket, Thermostat Gasket, Thermostat Housing O-Ring, Thermostat Housing Gasket, Water Outlet Gasket, Gasket... More Names
Replaces: 16326-47010
Description: IQ. RAV4. 2.5L. O-Ring. Prius C. Avalon hybrid. 2021, reservoir & hoses. 2019-20, reservoir & hoses. More Info
Notes: 25. More Notes
Fits:
  • Scion:
    • iQ
  • Toyota:
    • Avalon,
    • Camry,
    • Highlander,
    • Prius C,
    • RAV4,
    • RAV4 Prime
  • 2 more
MSRP $0.86
$0.64
MSRP $0.86
$0.64
Engine Coolant Thermostat Housing
Part Number: 16031-24011
Other Names: Thermostat Housing, Water Inlet, Engine Coolant Inlet Flange, Inlet Sub Assembly Wate More Names
Replaces: 16031-24010
Description: Water inlet. Corolla hatchback. Sedan, 2.0L, reservoir & hoses. More Info
Fits:
  • Toyota:
    • Corolla
MSRP $57.87
$42.82
MSRP $57.87
$42.82
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
MSRP $55.60
$41.14
MSRP $55.60
$41.14
Engine Coolant Thermostat Housing
Part Number: 16323-0S020
Positions: Lower
Other Names: Water Inlet, Thermostat Housing, Housing Water Inlet More Names
Replaces: 16323-38010
Description: Tundra. Sequoia. Land Cruiser. Exc.Towing Package. Regular cab, double cab. 5.7L, without towing package. More Info
Fits:
  • Toyota:
    • Land Cruiser,
    • Sequoia,
    • Tundra
MSRP $65.48
$48.46
MSRP $65.48
$48.46
Engine Coolant Thermostat Housing
Part Number: 16323-20020
Positions: Lower
Other Names: Thermostat Housing, Housing, Water Inlet, Housing Water Inlet More Names
Replaces: 16323-0A020, 16323-0A021
Description: Sienna. 3.0 & 3.3L. From 01/2003. Highlander Hybrid. More Info
Fits:
  • Toyota:
    • Avalon,
    • Camry,
    • Highlander,
    • Sienna,
    • Solara
MSRP $164.84
$121.98
MSRP $164.84
$121.98
Engine Coolant Thermostat Gasket
Part Number: 16325-62010
Other Names: Thermostat Gasket, Gasket, Thermostat Seal, Water Inlet Gasket, Water Inlet Seal, Thermostat Housing Gasket, Thermostat, Engine... More Names
Replaces: 16325-0H020
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
MSRP $7.07
$5.23
MSRP $7.07
$5.23
Engine Coolant Thermostat Gasket
Part Number: 16346-66020
Other Names: Gasket Thermostat More Names
Fits:
  • Toyota:
    • Land Cruiser
MSRP $5.55
$4.11
MSRP $5.55
$4.11
Engine Coolant Thermostat Gasket
Part Number: 16341-35010
Other Names: Thermostat Gasket, Water Inlet Gasket, Gasket Water Outlet More Names
Replaces: 16341-65010
Description: All models. 6 cylinder. More Info
Fits:
  • Toyota:
    • 4Runner,
    • Celica,
    • Cressida,
    • Pickup,
    • Supra,
    • T100
  • 1 more
MSRP $3.19
$2.36
MSRP $3.19
$2.36
Engine Coolant Thermostat Housing Gasket
Part Number: 16119-66020
Other Names: Gasket Thermostat G More Names
Fits:
  • Toyota:
    • Land Cruiser
MSRP $6.44
$4.77
MSRP $6.44
$4.77
Engine Coolant Thermostat Housing Gasket
Part Number: 16325-31010
Other Names: Housing Gasket, Thermostat Housing Gasket, Thermostat Gasket, Thermostat Housing Seal, Gasket Water Inlet More Names
Description: RAV4. 2011-13. Exc.Japan Built. Japan Built Part. 3.5L, japan built. Engine # 0xxxxxx-9xxxxxx. Engine # 0xxxxxx-5xxxxxx. Engine #... More Info
Fits:
  • Toyota:
    • 4Runner,
    • Avalon,
    • Camry,
    • FJ Cruiser,
    • Highlander,
    • RAV4,
    • Sienna,
    • Tacoma,
    • Tundra,
    • Venza
  • 5 more
MSRP $1.95
$1.44
MSRP $1.95
$1.44
Engine Coolant Thermostat Housing Gasket
Part Number: 16325-0P020
Other Names: Thermostat Housing Gasket, Thermostat Housing Seal, Housing Gasket, Gasket Water Inlet More Names
Description: To 07/2007. From 07/2007. 3.5L, us built. Exc.Japan Built. Engine # 6xxxxxx-84xxxxx. Engine # axxxxxx-lxxxxxx. Engine # dxxxxxx-gxxxxxx.... More Info
Fits:
  • Toyota:
    • Avalon,
    • Camry,
    • Highlander,
    • RAV4,
    • Sienna,
    • Venza
  • 1 more
MSRP $2.36
$1.75
MSRP $2.36
$1.75
Thermostat
Part Number: 90916-03117
Replaces: 90916-03094
Description: Land Cruiser. More Info
Fits:
  • Toyota:
    • Land Cruiser
MSRP $31.52
$23.32
MSRP $31.52
$23.32

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