OEM Toyota Thermostat Housing

Engine Coolant Thermostat Housing

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146 Thermostat Housings found

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Toyota Thermostat Housing Part Number: 16031-0P010
$55.68 MSRP: $77.50
You Save: $21.82 (29%)
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Product Specifications
- Other Name: Inlet Sub-Assembly, Water; Engine Coolant Thermostat Kit; Thermostat and Housing Assembly; Thermostat Housing Cover; Water Inlet; Inlet Tube; Thermostat Unit; Thermostat; Water Inlet Sub-Assembly, W/Thermostat; Engine Coolant Thermostat
- Manufacturer Note: (L)
- Replaces: 16031-31011, 16031-31010
Fits the following Toyota Models:
- 4Runner | 2003-2024 | 40th Anniversary Edition, Limited, Nightshade, Sport, SR5, SR5 Premium, Trail, TRD Off-Road, TRD Off-Road Premium, TRD Pro, TRD Sport, Venture | 6 Cyl 4.0 L GAS
- FJ Cruiser | 2007-2014 | Base, Trail Teams Special Edition, TRD Special Edition | 6 Cyl 4.0 L GAS
- Tacoma | 2005-2015 | Base, Pre Runner, TRD Pro, X-Runner | 6 Cyl 4.0 L GAS
- Tundra | 2005-2014 | Base, SR, SR5 | 6 Cyl 4.0 L GAS
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Toyota Thermostat Housing, Upper Part Number: 16321-0A040
$56.63 MSRP: $78.83
You Save: $22.20 (29%)
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Product Specifications
- Other Name: Inlet, Water; Engine Coolant Thermostat Housing, Upper; Engine Coolant Thermostat Housing Cover; Water Outlet; Water Inlet; Inlet Pipe; Water Inlet Pipe
- Position: Upper
Fits the following Toyota Models:
- Sienna | 2004-2006 | CE, LE, Limited, XLE, XLE Limited | 6 Cyl 3.3 L GAS
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Toyota Thermostat Housing Part Number: 16321-37010
$25.20 MSRP: $35.08
You Save: $9.88 (29%)
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Product Specifications
- Other Name: Inlet, Water; Engine Coolant Thermostat Housing Cover; Water Outlet; Water Inlet
- Manufacturer Note: (J)
- Replaced by: 16321-0T030
Fits the following Toyota Models:
- C-HR | 2018-2022 | LE, Limited, Nightshade, XLE, XLE Premium | 4 Cyl 2.0 L GAS
- Corolla | 2009-2022 | 50th Anniversary Special Edition, Base, 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
- Matrix | 2009-2013 | Base | 4 Cyl 1.8 L GAS
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Toyota Outlet, Water Part Number: 16331-20040
$149.21 MSRP: $211.23
You Save: $62.02 (30%)
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Product Specifications
- Other Name: Radiator Hose
- Manufacturer Note: ENGINE NO.=0XXXXXX-4XXXXXX
- Replaces: 16331-20020
Fits the following Toyota Models:
- Avalon | 1995-1998 | XL, XLS | 6 Cyl 3.0 L GAS
- Camry | 1994-2001 | CE, LE, SE, XLE | 6 Cyl 3.0 L GAS
- Sienna | 1998-2003 | CE, LE, XLE | 6 Cyl 3.0 L GAS
- Solara | 1999-2001 | SE, SLE | 6 Cyl 3.0 L GAS
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Toyota Thermostat Housing Part Number: 16031-37010
$47.55 MSRP: $66.18
You Save: $18.63 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Inlet Sub-Assembly, Water; Coolant Inlet Flange; Thermostat; Housing Cover; Radiator Hose; Water Inlet; Water Inlet Sub-Assembly, W/Thermostat
Fits the following Toyota Models:
- Corolla | 2020-2025 | Hybrid LE, Hybrid Nightshade, Hybrid SE, Hybrid XLE | 4 Cyl 1.8 L FULL HYBRID EV-GAS (FHEV)
- Prius | 2010-2022 | 2020 Edition, Base, Five, Four, Four Touring, L Eco, LE, Limited, One, Persona Series, Three, Three Touring, Two, Two Eco, XLE | 4 Cyl 1.8 L FULL HYBRID EV-GAS (FHEV)
- Prius AWD-e | 2019-2022 | LE, XLE | 4 Cyl 1.8 L FULL HYBRID EV-GAS (FHEV)
- Prius Plug-In | 2012-2015 | Base | 4 Cyl 1.8 L FULL HYBRID EV-GAS (FHEV)
- Prius Prime | 2017-2022 | Advanced, LE, Limited, Plus, Premium, XLE | 4 Cyl 1.8 L PLUG-IN HYBRID EV-GAS (PHEV)
- Prius V | 2012-2017 | Base, Five, Four, Three, Two | 4 Cyl 1.8 L FULL HYBRID EV-GAS (FHEV)
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Toyota Thermostat Cover, Upper Part Number: 16321-0F010
$72.75 MSRP: $102.11
You Save: $29.36 (29%)
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Product Specifications
- Other Name: Inlet, Water; Engine Coolant Thermostat Housing; Radiator Hose; Water Outlet; Thermostat Housing
- Manufacturer Note: (L)
- Position: Upper
- Replaces: 16321-50020
Fits the following Toyota Models:
- 4Runner | 2003-2009 | Limited, Sport, SR5 | 8 Cyl 4.7 L GAS
- Land Cruiser | 1998-2007 | Base | 8 Cyl 4.7 L GAS
- Sequoia | 2001-2009 | Limited, SR5 | 8 Cyl 4.7 L GAS
- Tundra | 2000-2009 | Base, Limited, SR5 | 8 Cyl 4.7 L GAS
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Toyota Housing, Water Inlet, Lower Part Number: 16032-50110
$126.42 MSRP: $178.96
You Save: $52.54 (30%)
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Product Specifications
- Other Name: Housing Sub-Assembly, Water; Thermostat Housing Cover; Thermostat Housing; Radiator Hose
- Manufacturer Note: (J)
- Position: Lower
- Replaces: 16032-50070, 16032-0F010
Fits the following Toyota Models:
- 4Runner | 2003-2009 | Limited, Sport, SR5 | 8 Cyl 4.7 L GAS
- Land Cruiser | 1998-2007 | Base | 8 Cyl 4.7 L GAS
- Sequoia | 2001-2009 | Limited, SR5 | 8 Cyl 4.7 L GAS
- Tundra | 2000-2009 | Base, Limited, SR5 | 8 Cyl 4.7 L GAS
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Toyota Housing, Water Inlet, Lower Part Number: 16323-20020
$173.07 MSRP: $245.00
You Save: $71.93 (30%)
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Product Specifications
- Other Name: Engine Coolant Thermostat Housing; Thermostat Housing Cover; Thermostat Housing; Radiator Hose
- Position: Lower
- Replaces: 16323-0A020, 16323-0A021
Fits the following Toyota Models:
- Avalon | 2000-2004 | XL, XLS | 6 Cyl 3.0 L GAS
- Camry | 2004-2006 | LE, SE, XLE | 6 Cyl 3.0 L GAS, 6 Cyl 3.3 L GAS
- Highlander | 2006-2010 | Hybrid, Hybrid Limited | 6 Cyl 3.3 L FULL HYBRID EV-GAS (FHEV)
- Sienna | 2001-2006 | CE, LE, Limited, XLE, XLE Limited | 6 Cyl 3.0 L GAS, 6 Cyl 3.3 L GAS
- Solara | 2004-2008 | SE, SE Sport, SLE, Sport | 6 Cyl 3.3 L GAS
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Toyota Water Outlet Part Number: 16331-31230
$48.98 MSRP: $68.18
You Save: $19.20 (29%)
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Product Specifications
- Other Name: Outlet, Water; Engine Coolant Outlet Flange; Radiator Hose; Outlet Assembly
Fits the following Toyota Models:
- Avalon | 2019-2022 | Limited, Touring, TRD, XLE, XSE, XSE Nightshade | 6 Cyl 3.5 L GAS
- Camry | 2018-2024 | TRD, XLE, XSE | 6 Cyl 3.5 L GAS
- Sienna | 2017-2020 | L, LE, Limited, Limited Premium, SE, SE Premium, XLE, XLE Premium | 6 Cyl 3.5 L GAS
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Toyota Water Outlet Part Number: 16304-0A010
$149.21 MSRP: $211.23
You Save: $62.02 (30%)
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Product Specifications
- Other Name: Engine Coolant Outlet Flange; Engine Coolant Filler Neck; Radiator Hose; Outlet, Water
- Manufacturer Note: ENGINE NO.=5XXXXXX-9XXXXXX
- Replaced by: 16331-20040
Fits the following Toyota Models:
- Avalon | 2000-2004 | XL, XLS | 6 Cyl 3.0 L GAS
- Sienna | 1998-2003 | CE, LE, XLE | 6 Cyl 3.0 L GAS
- Solara | 1999-2003 | SE, SLE | 6 Cyl 3.0 L GAS
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Toyota Water Outlet Part Number: 16331-20060
$186.74 MSRP: $266.62
You Save: $79.88 (30%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Outlet, Water; Engine Coolant Outlet Flange; Radiator Hose
Fits the following Toyota Models:
- Camry | 2004-2006 | LE, SE, XLE | 6 Cyl 3.0 L GAS, 6 Cyl 3.3 L GAS
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Toyota Thermostat Housing Part Number: 16321-21020
$19.59 MSRP: $27.26
You Save: $7.67 (29%)
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Product Specifications
- Other Name: Inlet, Water; Engine Coolant Thermostat Housing Cover; Water Outlet
Fits the following Toyota Models:
- Echo | 2000-2005 | Base | 4 Cyl 1.5 L GAS
- Yaris | 2007-2018 | Base, L, LE, S, SE | 4 Cyl 1.5 L GAS
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Toyota Thermostat Housing Part Number: 16321-22070
$21.02 MSRP: $29.26
You Save: $8.24 (29%)
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Product Specifications
- Other Name: Inlet, Water; Engine Coolant Thermostat Housing; Radiator Hose; Water Outlet; Water Inlet
- Manufacturer Note: TYPE C:REFER TO ILLUSTRATION
Fits the following Toyota Models:
- Celica | 2001-2005 | GT, GTS | 4 Cyl 1.8 L GAS
- Corolla | 2003-2008 | CE, LE, S, XRS | 4 Cyl 1.8 L GAS
- Matrix | 2003-2008 | Base, XR | 4 Cyl 1.8 L GAS
- MR2 Spyder | 2000-2005 | Base | 4 Cyl 1.8 L GAS
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Toyota Thermostat Housing Part Number: 16321-21010
$22.33 MSRP: $31.09
You Save: $8.76 (29%)
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Product Specifications
- Other Name: Inlet, Water; Engine Coolant Thermostat Housing; Engine Coolant Water Inlet; Thermostat Housing Cover; Water Outlet
Fits the following Toyota Models:
- Prius | 2001-2009 | Base, Touring | 4 Cyl 1.5 L FULL HYBRID EV-GAS (FHEV)
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Toyota Thermostat Housing Part Number: 16321-03060
$35.96 MSRP: $50.05
You Save: $14.09 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Inlet, Water; Engine Coolant Thermostat Housing; Engine Coolant Water Inlet; Thermostat Housing Cover; Water Outlet; Housing
- Manufacturer Note: (L)
- Replaces: 16321-74030, 16321-03030, 16321-74050
Fits the following Toyota Models:
- Camry | 1992-2001 | CE, DLX, DX, LE, SE, XLE | 4 Cyl 2.2 L CNG, 4 Cyl 2.2 L GAS
- Celica | 1994-1999 | GT, ST | 4 Cyl 1.8 L GAS, 4 Cyl 2.2 L GAS
- RAV4 | 1996-2000 | Base | 4 Cyl 2.0 L GAS, BATTERY EV (EV/BEV)
- Solara | 1999-2001 | SE | 4 Cyl 2.2 L GAS
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Toyota Thermostat Housing, Upper Part Number: 16321-0P010
$36.91 MSRP: $51.38
You Save: $14.47 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Inlet, Water; Engine Coolant Thermostat Housing, Upper; Radiator Hose; Water Outlet; Water Inlet; Water Inlet Pipe; Inlet Connector
- Position: Upper
Fits the following Toyota Models:
- Avalon | 2008-2018 | Base, Limited, Touring, XL, XLE, XLE Plus, XLE Premium, XLE Touring, XLE Touring SE, XLS | 6 Cyl 3.5 L GAS
- Camry | 2007-2017 | LE, SE, XLE, XSE | 6 Cyl 3.5 L GAS
- Highlander | 2010-2016 | Base, LE, LE Plus, Limited, Plus, SE, Sport, XLE | 6 Cyl 3.5 L GAS
- Sienna | 2007-2016 | Base, CE, L, LE, Limited, SE, XLE | 6 Cyl 3.5 L GAS
- Venza | 2009-2015 | Base, LE, Limited, XLE | 6 Cyl 3.5 L GAS
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Toyota Water Outlet Part Number: 16331-37100
$38.59 MSRP: $53.71
You Save: $15.12 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Outlet, Water; Engine Coolant Outlet Flange; Radiator Hose
Fits the following Toyota Models:
- Corolla | 2020-2025 | Hybrid LE, Hybrid Nightshade, Hybrid SE, Hybrid XLE | 4 Cyl 1.8 L FULL HYBRID EV-GAS (FHEV)
- Prius | 2016-2022 | 2020 Edition, Four, Four Touring, L Eco, LE, Limited, One, Three, Three Touring, Two, Two Eco, XLE | 4 Cyl 1.8 L FULL HYBRID EV-GAS (FHEV)
- Prius AWD-e | 2019-2022 | LE, XLE | 4 Cyl 1.8 L FULL HYBRID EV-GAS (FHEV)
- Prius Prime | 2017-2022 | Advanced, LE, Limited, Plus, Premium, XLE | 4 Cyl 1.8 L PLUG-IN HYBRID EV-GAS (PHEV)
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Toyota Thermostat Housing Part Number: 16321-75020
$38.83 MSRP: $54.04
You Save: $15.21 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Inlet, Water; Engine Coolant Thermostat Housing; Radiator Hose; Water Outlet; Water Inlet
- Replaces: 16321-0C020
Fits the following Toyota Models:
- 4Runner | 2010 | SR5 | 4 Cyl 2.7 L GAS
- Tacoma | 2005-2023 | Base, Pre Runner, SR, SR5 | 4 Cyl 2.7 L GAS
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Toyota Water Outlet Part Number: 16331-0W010
$43.01 MSRP: $59.86
You Save: $16.85 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Outlet, Water; Engine Coolant Outlet Flange; Coolant Hose Flange; Radiator Hose; Flange
Fits the following Toyota Models:
- 4Runner | 1996-2000 | Base | 4 Cyl 2.7 L GAS
- T100 | 1994-1998 | Base | 4 Cyl 2.7 L GAS
- Tacoma | 1995-2004 | Base, DLX, Limited, Pre Runner, S-Runner, SR5 | 4 Cyl 2.4 L GAS, 4 Cyl 2.7 L GAS, 6 Cyl 3.4 L GAS
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Toyota Thermostat Housing Part Number: 16321-15040
$43.01 MSRP: $59.86
You Save: $16.85 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Inlet, Water; Thermostat Housing Cover; Inlet
Fits the following Toyota Models:
- Celica | 1994-1997 | GT, ST | 4 Cyl 1.8 L GAS, 4 Cyl 2.2 L GAS
- Corolla | 1993-1997 | Base, CE, DX, LE | 4 Cyl 1.6 L GAS, 4 Cyl 1.8 L GAS

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Toyota Thermostat Housing

OEM parts deliver unmatched quality you can rely on. They pass extensive quality control inspections. Toyota produces them to the official factory specifications. This process helps prevent defects and imperfections. So you can get exceptional lifespan and a flawless fit. Need new OEM Toyota Thermostat Housing? You'll love our wide selection of genuine options. Shop in minutes and skip the hunt. Our prices are unbeatable, you'll save time and money. It's easy to shop and find the right piece. Our committed customer service team gives professional help from start to finish. Every part includes a manufacturer's warranty. We ship quickly, your parts will arrive fast at your door.

Toyota Thermostat Housing maintains the engine temperature at a consistent temperature and at the same time provides reliability that drivers desire. Toyota developed to be a worldwide brand starting with one plant in Japan in 1937 by eliminating wastage along the line, teams that could identify and correct a problem fast, and continuous upgrades of its cars to make them safer, efficient, and fun. The recent achievements of the hybrid RAV4 Plug-in Hybrid and the updated Prius demonstrate how Toyota can combine the TNGA platform with Hybrid Synergy Drive to provide a smooth driving feel with excellent fuel efficiency. The drivers have confidence in Toyota due to the fact that the vehicles can last through day to day commuting as well as on the long distance trips. On different continents, Toyota customers extol quality consistency. The Thermostat Housing isn't attached to anything, but instead goes around the thermostat, directing the coolant into the radiator, and sealing the gap to ensure none of the fluids leaks out whilst housing the hoses and sensors. Before doing anything, make sure the engine has sat at room temperature and released all pressure at the cap, drain all the coolant until the level is below the housing, remove air ducts or brackets that may block access, label and remove all hoses, loosen the bolts and drop off the old part. Wipe your surface to a shiny finish, install the thermostat and gasket, replace the Thermostat Housing, and screw the bolts in a criss cross pattern in tight until factory-torque. Reblock hoses, replace coolant, release trapped air, turn on the engine and verify the Thermostat Housing are free of leakages and stable temperature.