How to Properly Service and Repair a Thermostat on Toyota 4Runner?

In order to service the thermostat, empty the radiator coolant, then disconnect the lower radiator hose and take out the thermostat. Check in hot water, to ensure proper opening and lifting of valve. Replace if necessary. Install a new gasket in, be sure well aligned, and tighten. Lastly, refill coolant, engage the engine and watch leaks.

How to replace the thermostat on Toyota Tacoma?

In order to substitute the thermostat (2TR-FE), drain the coolant, take away the water inlet and unattach the thermostat. Install new gasket to the thermostat with the jiggle valve facing up and re-attach the water inlet with new gasket using bolts. Lastly, pour in coolant and look at leaks.

OEM Toyota Thermostat

Engine Coolant Thermostat

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26 Thermostats found

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Toyota Thermostat
Part Number: 90916-03099
$22.10 MSRP: $30.75
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Product Specifications
- Replaces: 90916-03062, 90916-03072, 90916-03043
Fits the following Toyota Models:
- Pickup | 1984-1985 | DLX, DLX Turbo | 4 Cyl 2.4 L DIESEL
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Toyota Thermostat
Part Number: 90916-03083
$21.98 MSRP: $30.59
You Save: $8.61 (29%)
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Product Specifications
- Other Name: Engine Coolant Thermostat; Thermostat, Coolant
- Replaces: 90916-03037-72, 90916-03054, 90916-03034, 90916-03037, 90916-03016, 90916-03035, 90916-03028, 90916-03033, 90916-03056
Fits the following Toyota Models:
- 4Runner | 1985 | SR5 | 4 Cyl 2.4 L GAS
- Pickup | 1985 | SR5 Turbo | 4 Cyl 2.4 L GAS
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Toyota Thermostat
Part Number: 90916-03107
$27.35 MSRP: $38.07
You Save: $10.72 (29%)
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Product Specifications
- Other Name: Engine Coolant Thermostat
- Manufacturer Note: *WAX 76-90
Fits the following Toyota Models:
- Corolla | 1998-1999 | CE, LE, VE | 4 Cyl 1.8 L GAS
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Toyota Thermostat
Part Number: 90916-03115
$27.35 MSRP: $38.07
You Save: $10.72 (29%)
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Product Specifications
- Manufacturer Note: *WAX 82-95
- Replaces: 90916-03109
Fits the following Toyota Models:
- Celica | 1997 | GT, ST | 4 Cyl 1.8 L GAS, 4 Cyl 2.2 L GAS
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Toyota Thermostat
Part Number: 90916-03144
$22.69 MSRP: $31.59
You Save: $8.90 (29%)
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Product Specifications
- Other Name: Engine Coolant Thermostat; Thermostat, Coolant
Fits the following Toyota Models:
- Corolla | 2009-2019 | 50th Anniversary Special Edition, Base, L, LE, LE Eco, Le Eco Plus, S, SE, Special Edition, XLE, XSE | 4 Cyl 1.8 L GAS
- Matrix | 2009-2013 | Base | 4 Cyl 1.8 L GAS
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Toyota Thermostat, Lower
Part Number: SU003-04960
$30.19 MSRP: $39.07
You Save: $8.88 (23%)
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Product Specifications
- Other Name: Thermo&Gasket Assembly; Engine Coolant Thermostat, Lower; Engine Coolant Thermostat
- Position: Lower
- Replaces: SU003-00407
Fits the following Toyota Models:
- 86 | 2017-2020 | Base, GT, Hakone Edition, Special Edition, TRD Special Edition | 4 Cyl 2.0 L GAS
- GR86 | 2022-2023 | 10th Anniversary Special Edition, Base, Premium | 4 Cyl 2.4 L GAS
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Toyota Thermostat
Part Number: 90916-03100
$26.40 MSRP: $36.75
You Save: $10.35 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Engine Coolant Thermostat
- Manufacturer Note: *WAX 82-95
Fits the following Toyota Models:
- 4Runner | 2003-2007 | Limited, Sport, SR5 | 6 Cyl 4.0 L GAS, 8 Cyl 4.7 L GAS
- Land Cruiser | 1998-2007 | Base | 8 Cyl 4.7 L GAS
- Sequoia | 2001-2007 | Limited, SR5 | 8 Cyl 4.7 L GAS
- Tundra | 2000-2006 | Base, Limited, SR5 | 8 Cyl 4.7 L GAS
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Toyota Thermostat
Part Number: 90916-03120
$27.59 MSRP: $38.41
You Save: $10.82 (29%)
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Product Specifications
- Other Name: Engine Coolant Thermostat; Thermostat, Coolant
- Manufacturer Note: *WAX 82-95
- Replaces: 90916-03088, 90916-03101
Fits the following Toyota Models:
- 4Runner | 1996-2000 | Base | 4 Cyl 2.7 L GAS
- Previa | 1991-1997 | DX, LE | 4 Cyl 2.4 L GAS
- T100 | 1994-1998 | Base | 4 Cyl 2.7 L GAS
- Tacoma | 1995-2004 | Base, DLX, Limited, Pre Runner, SR5, S-Runner | 4 Cyl 2.4 L GAS, 4 Cyl 2.7 L GAS, 6 Cyl 3.4 L GAS
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Toyota Thermostat
Part Number: 90916-03075
$27.59 MSRP: $38.41
You Save: $10.82 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Engine Coolant Thermostat; Thermostat, Coolant
- Manufacturer Note: *WAX 82-95
Fits the following Toyota Models:
- 4Runner | 1996-2002 | Base, Limited, SR5 | 6 Cyl 3.4 L GAS
- Camry | 1989-1993 | DLX, DX, LE, SE, XLE | 4 Cyl 2.2 L GAS, 6 Cyl 2.5 L GAS, 6 Cyl 3.0 L GAS
- Celica | 1990-1993 | All Trac, GT, GTS All Trac | 4 Cyl 2.0 L GAS, 4 Cyl 2.2 L GAS
- MR2 | 1991-1995 | Base, Turbo | 4 Cyl 2.0 L GAS, 4 Cyl 2.2 L GAS
- T100 | 1995-1998 | Base, DLX, DX, One-Ton DLX, SR5 | 6 Cyl 3.4 L GAS
- Tacoma | 1995-2004 | Base, DLX, Limited, Pre Runner, SR5, S-Runner | 6 Cyl 3.4 L GAS
- Tundra | 2000-2004 | Base, SR5 | 6 Cyl 3.4 L GAS
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Toyota Thermostat
Part Number: 90916-03117
$32.85 MSRP: $45.72
You Save: $12.87 (29%)
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Product Specifications
- Manufacturer Note: *WAX 82-95
- Replaces: 90916-03094
Fits the following Toyota Models:
- Land Cruiser | 1993-1997 | Base | 6 Cyl 4.5 L GAS
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Toyota Thermostat
Part Number: 90916-03138
$41.45 MSRP: $57.70
You Save: $16.25 (29%)
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Product Specifications
- Manufacturer Note: *WAX 82-95
Fits the following Toyota Models:
- 4Runner | 2007-2009 | Limited, Sport, SR5 | 8 Cyl 4.7 L GAS
- Sequoia | 2007-2009 | Limited, SR5 | 8 Cyl 4.7 L GAS
- Tundra | 2007-2009 | Base, Limited, SR5 | 8 Cyl 4.7 L GAS
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Toyota Thermostat
Part Number: 90916-03078
$21.98 MSRP: $30.59
You Save: $8.61 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Engine Coolant Thermostat; Thermostat, Coolant
- Manufacturer Note: *WAX 88-100
- Replaces: 90916-03036, 90916-03040, 90916-03022, 90916-03055, 90916-03029, 90916-03023
Fits the following Toyota Models:
- 4Runner | 1984-1995 | DLX, SR5 | 4 Cyl 2.4 L GAS
- Celica | 1984-1985 | GT, GTS, ST, Supra | 4 Cyl 2.4 L GAS, 6 Cyl 2.8 L GAS
- Cressida | 1984-1992 | Luxury | 6 Cyl 2.8 L GAS, 6 Cyl 3.0 L GAS
- Pickup | 1984-1995 | Base, DLX, SR5 | 4 Cyl 2.4 L GAS
- Starlet | 1984 | Base | 4 Cyl 1.3 L GAS
- Supra | 1986-1992 | Base, Turbo | 6 Cyl 3.0 L GAS
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Toyota Thermostat
Part Number: 90916-03136
$28.19 MSRP: $39.24
You Save: $11.05 (29%)
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Product Specifications
- Other Name: Engine Coolant Thermostat
- Replaces: 90916-C3001
Fits the following Toyota Models:
- Camry | 2007-2011 | Base, CE, Hybrid, LE, SE, XLE | 4 Cyl 2.4 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.4 L GAS
- Corolla | 2009-2010 | XRS | 4 Cyl 2.4 L GAS
- Highlander | 2006-2007 | Base | 4 Cyl 2.4 L GAS
- Matrix | 2009-2013 | S, XRS | 4 Cyl 2.4 L GAS
- RAV4 | 2006-2008 | Base, Limited, Sport | 4 Cyl 2.4 L GAS
- Solara | 2004-2008 | SE, SE Sport, SLE, Sport | 4 Cyl 2.4 L GAS
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Toyota Thermostat
Part Number: 90916-03052
$46.23 MSRP: $64.36
You Save: $18.13 (29%)
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Product Specifications
- Other Name: Engine Coolant Thermostat
- Replaces: 90916-03071
Fits the following Toyota Models:
- Land Cruiser | 1984-1992 | Base | 6 Cyl 4.0 L GAS, 6 Cyl 4.2 L GAS
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Toyota Thermostat
Part Number: 90916-03046
$25.08 MSRP: $34.91
You Save: $9.83 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Engine Coolant Thermostat; Thermostat, Coolant
- Replaces: 90916-03069
Fits the following Toyota Models:
- Camry | 1984-1991 | Base, DLX, DLX All Trac, LE, LE All Trac | 4 Cyl 1.8 L DIESEL, 4 Cyl 2.0 L DIESEL, 4 Cyl 2.0 L GAS
- Celica | 1986-1997 | GT, GTS, ST | 4 Cyl 1.6 L GAS, 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS, 4 Cyl 2.2 L GAS
- Corolla | 1984-1997 | Base, CE, DLX, DLX All Trac, DX, FX, FX16, FX16 GTS, GTS, LE, LE Limited, Sport DLX, Sport GTS, Sport SR5, SR5, SR5 All Trac | 4 Cyl 1.6 L GAS, 4 Cyl 1.8 L DIESEL, 4 Cyl 1.8 L GAS
- MR2 | 1985-1987 | GT | 4 Cyl 1.6 L GAS
- Paseo | 1992-1997 | Base, Convertible | 4 Cyl 1.5 L GAS
- RAV4 | 1996-1997 | Base | 4 Cyl 2.0 L GAS
- Tercel | 1984-1998 | Base, CE, DLX, DX, EZ, LE, SR5, STD | 4 Cyl 1.5 L GAS
- Van | 1984-1989 | Wagon Crg, Wagon DX, Wagon LE | 4 Cyl 2.0 L GAS, 4 Cyl 2.2 L GAS
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Toyota Sensor
Part Number: 88620-01010
$184.34 MSRP: $263.19
You Save: $78.85 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Thermostat Assembly
- Replaces: 88620-12030
Fits the following Toyota Models:
- Corolla | 1988-1992 | Base, DLX, DLX All Trac, LE, SR5 All Trac | 4 Cyl 1.6 L GAS
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Toyota Thermostat
Part Number: SU003-11169
$35.73 MSRP: $49.74
You Save: $14.01 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Thermo&Gasket Assembly; Standard Parts
Fits the following Toyota Models:
- 86 | 2017-2020 | Base, GT, Hakone Edition, Special Edition, TRD Special Edition | 4 Cyl 2.0 L GAS
- GR86 | 2022-2023 | 10th Anniversary Special Edition, Base, Premium | 4 Cyl 2.4 L GAS
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Toyota Thermostat
Part Number: 90916-A3004
$27.95 MSRP: $38.90
You Save: $10.95 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Engine Coolant Thermostat
- Replaces: 90916-03149, 90916-03148
Fits the following Toyota Models:
- C-HR | 2018-2022 | LE, Limited, Nightshade, XLE, XLE Premium | 4 Cyl 2.0 L GAS
- Corolla | 2014-2022 | 50th Anniversary Special Edition, L, LE, LE Eco, Le Eco Plus, S, SE, Special Edition, XLE, XSE | 4 Cyl 1.8 L GAS
- Corolla iM | 2017-2018 | Base | 4 Cyl 1.8 L GAS
- RAV4 | 2016-2018 | Hybrid Limited, Hybrid SE, Hybrid XLE | 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV)
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Toyota Thermostat
Part Number: 90118-WB459
$20.92 MSRP: $29.12
You Save: $8.20 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Engine Coolant Thermostat
Fits the following Toyota Models:
- Yaris | 2019-2020 | L, LE, XLE | 4 Cyl 1.5 L GAS
- Yaris iA | 2017-2018 | Base | 4 Cyl 1.5 L GAS
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Toyota Thermostat
Part Number: 90916-03157
$23.05 MSRP: $32.09
You Save: $9.04 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Engine Coolant Thermostat
Fits the following Toyota Models:
- Tacoma | 2016-2023 | SR, SR5 | 4 Cyl 2.7 L GAS

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Toyota Thermostat Parts and Q&A

Thermostat
90916-03075
Q: How to Properly Service and Repair a Thermostat on Toyota 4Runner?
A: In order to service the thermostat, empty the radiator coolant, then disconnect the lower radiator hose and take out the thermostat. Check in hot water, to ensure proper opening and lifting of valve. Replace if necessary. Install a new gasket in, be sure well aligned, and tighten. Lastly, refill coolant, engage the engine and watch leaks.
Thermostat
90916-03093
Q: How to replace the thermostat on Toyota Tacoma?
A: In order to substitute the thermostat (2TR-FE), drain the coolant, take away the water inlet and unattach the thermostat. Install new gasket to the thermostat with the jiggle valve facing up and re-attach the water inlet with new gasket using bolts. Lastly, pour in coolant and look at leaks.