OEM Toyota Sienna Thermostat Housing

Engine Coolant Thermostat Housing

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20 Thermostat Housings found

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Toyota Sienna Outlet, Water
Part Number: 16331-20040
$144.87 MSRP: $205.07
You Save: $60.20 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Radiator Hose
- Manufacturer Note: ENGINE NO.=0XXXXXX-4XXXXXX
- Replaces: 16331-20020
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1998-2003 Toyota Sienna | CE, LE, XLE | 6 Cyl 3.0 L GAS
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Toyota Sienna Inlet, Water, Upper
Part Number: 16321-20030
$80.21 MSRP: $112.59
You Save: $32.38 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Engine Coolant Thermostat Housing Cover; Thermostat Housing Cover; Thermostat Housing; Radiator Hose
- Position: Upper
- Replaces: 16321-0A030
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2001-2003 Toyota Sienna | CE, LE, XLE | 6 Cyl 3.0 L GAS
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Toyota Sienna Housing, Water Inlet, Lower
Part Number: 16323-20020
$168.01 MSRP: $237.84
You Save: $69.83 (30%)
Ships in 1-3 Business Days
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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
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2001-2006 Toyota Sienna | CE, LE, Limited, XLE, XLE Limited | 6 Cyl 3.0 L GAS, 6 Cyl 3.3 L GAS
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Toyota Sienna Outlet, Water
Part Number: 16331-31150
$96.68 MSRP: $135.71
You Save: $39.03 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Radiator Hose
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2007-2016 Toyota Sienna | Base, CE, L, LE, Limited, SE, XLE | 6 Cyl 3.5 L GAS
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Toyota Sienna Housing, Water Inlet, Lower
Part Number: 16323-0P030
$76.18 MSRP: $106.94
You Save: $30.76 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Engine Coolant Thermostat Housing; Thermostat Housing Cover; Thermostat Housing
- Position: Lower
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2007-2016 Toyota Sienna | Base, CE, L, LE, Limited, SE, XLE | 6 Cyl 3.5 L GAS
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Toyota Sienna Water Outlet
Part Number: 16304-0A010
$144.87 MSRP: $205.07
You Save: $60.20 (30%)
ADD TO CART
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
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1998-2003 Toyota Sienna | CE, LE, XLE | 6 Cyl 3.0 L GAS
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Toyota Sienna Water Outlet
Part Number: 16331-31230
$47.55 MSRP: $66.19
You Save: $18.64 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Outlet, Water; Engine Coolant Outlet Flange; Radiator Hose; Outlet Assembly
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2017-2020 Toyota Sienna | L, LE, Limited, Limited Premium, SE, SE Premium, XLE, XLE Premium | 6 Cyl 3.5 L GAS
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Toyota Sienna Thermostat Housing, Upper
Part Number: 16321-0P010
$35.84 MSRP: $49.89
You Save: $14.05 (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
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2007-2016 Toyota Sienna | Base, CE, L, LE, Limited, SE, XLE | 6 Cyl 3.5 L GAS
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Toyota Sienna Thermostat Housing, Upper
Part Number: 16321-0A040
$54.96 MSRP: $76.50
You Save: $21.54 (29%)
Ships in 1-3 Business Days
ADD TO CART
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
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2004-2006 Toyota Sienna | CE, LE, Limited, XLE, XLE Limited | 6 Cyl 3.3 L GAS
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Toyota Sienna Thermostat Housing, Upper
Part Number: 16321-0V010
$26.64 MSRP: $37.07
You Save: $10.43 (29%)
Ships in 1-3 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; Water Inlet Tube
- Position: Upper
- Replaces: 16321-36010, 16321-0V020
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2011-2012 Toyota Sienna | Base, LE | 4 Cyl 2.7 L GAS
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Toyota Sienna Thermostat Housing
Part Number: 16032-0V050
$444.81 MSRP: $651.87
You Save: $207.06 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Housing Sub-Assembly, Water; Engine Water Pump; Thermostat Housing Cover; Water Inlet; Water Pump Housing; Housing, Water Inlet
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2011-2012 Toyota Sienna | Base, LE | 4 Cyl 2.7 L GAS
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Toyota Sienna Thermostat Housing, Lower
Part Number: 16323-20010
$195.01 MSRP: $278.43
You Save: $83.42 (30%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Housing, Water Inlet; Engine Coolant Thermostat Housing, Lower; Thermostat Housing Cover; Housing
- Manufacturer Note: (J)
- Position: Lower
- Replaces: 16323-0A010
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1998-2000 Toyota Sienna | CE, LE, XLE | 6 Cyl 3.0 L GAS
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Toyota Sienna Thermostat Housing, Upper
Part Number: 16321-31030
$37.63 MSRP: $52.38
You Save: $14.75 (29%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Inlet, Water; Engine Coolant Thermostat Housing, Upper; Radiator Hose; Water Outlet; Water Inlet; Inlet Pipe
- Position: Upper
- Replaces: 16321-31011
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2007-2009 Toyota Sienna | CE, LE, Limited, XLE | 6 Cyl 3.5 L GAS
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Toyota Sienna Outlet, Water
Part Number: 16331-31140
$65.87 MSRP: $92.46
You Save: $26.59 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Radiator Hose
- Replaces: 16331-0P010
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2011-2016 Toyota Sienna | Base, L, LE, Limited, SE, XLE | 6 Cyl 3.5 L GAS
View related parts
Toyota Sienna Housing, Lower
Part Number: 16323-31040
$70.61 MSRP: $99.11
You Save: $28.50 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Housing, Water Inlet; Engine Coolant Thermostat Housing, Lower; Thermostat Housing Cover; Water Outlet; Engine Coolant Thermostat Housing; Thermostat Housing
- Position: Lower
- Replaces: 16323-0W011
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2011-2016, 2007-2009 Toyota Sienna | Base, CE, L, LE, Limited, SE, XLE | 6 Cyl 3.5 L GAS
View related parts
Toyota Sienna Water Outlet
Part Number: 16331-31200
$95.03 MSRP: $133.38
You Save: $38.35 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Outlet, Water; Radiator Hose
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2012-2016 Toyota Sienna | Base, L, LE, Limited, SE, XLE | 6 Cyl 3.5 L GAS
View related parts
Toyota Sienna Water Outlet
Part Number: 16304-0A020
$72.27 MSRP: $101.45
You Save: $29.18 (29%)
ADD TO CART
Product Specifications
- Other Name: Engine Coolant Outlet Flange; Radiator Hose; Outlet, Water
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2004-2006 Toyota Sienna | CE, LE, Limited, XLE, XLE Limited | 6 Cyl 3.3 L GAS
View related parts
Toyota Sienna Water Outlet
Part Number: 16331-31220
$47.55 MSRP: $66.19
You Save: $18.64 (29%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Outlet, Water; Engine Coolant Outlet Flange; Radiator Hose
- Manufacturer Note: TOWING PACKAGE-FOR 3500LBS
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2017-2020 Toyota Sienna | L, LE, Limited, Limited Premium, SE, SE Premium, XLE, XLE Premium | 6 Cyl 3.5 L GAS
View related parts
Toyota Sienna Water Outlet
Part Number: 16331-25030
$48.62 MSRP: $67.69
You Save: $19.07 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Outlet, Water; Engine Coolant Outlet Flange; Engine Coolant Hose Flange; Radiator Hose
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2021-2023 Toyota Sienna | 25th Anniversary Edition, LE, Limited, Platinum, XLE, XSE | 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV)
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Toyota Sienna Thermostat Housing, Upper
Part Number: 16321-20020
$85.19 MSRP: $119.58
You Save: $34.39 (29%)
Product Specifications
- Other Name: Inlet, Water; Engine Coolant Thermostat Housing, Upper; Radiator Hose; Water Outlet; Water Inlet; Cover; Housing
- Manufacturer Note: (J)
- Position: Upper
- Replaces: 16321-0A010
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1998-2000 Toyota Sienna | CE, LE, XLE | 6 Cyl 3.0 L GAS

Toyota Sienna Thermostat Housing

Choose genuine Thermostat Housing that pass strict quality control tests. You can trust the top quality and lasting durability. Shopping for OEM Thermostat Housing for your Toyota Sienna? Our website is your one-stop destination. We stock an extensive selection of genuine Toyota Sienna parts. The price is affordable so you can save more. It only takes minutes to browse and find the exact fit. Easily add to cart and check out fast. Our hassle-free return policy will keep you stress-free. We process orders quickly for swift delivery. Your parts will arrive faster, so you can get back on the road sooner.

Toyota Sienna Thermostat Housing helps in keeping the van cool as the car provides the features that drivers want. Toyota designed the Sienna in such a way that it was easy to do errands and get around tasks. Sliding doors slide even on small parking areas, there is plenty of space in the cabin, which can carry up to eight people, and intelligent seat-tracks allow children to get on board in a matter of seconds. The robust V6 is combined with an eight speed auto to merge at brisk rates as well as an excellent aerodynamics that save on fuel. With all wheel drive you are sure to be confident on snowy mornings and a quiet suspension makes the conversations easy. The legendary Toyota reliability track record also sends the owners confidence that the car will move miles with routine maintenance and the resale value is high as the buyers seek a well maintained Sienna. Standard safety sense includes adaptive cruise, lane assist and pre collision braking, which teens love when their parents give them the keys. The Sienna Thermostat Housing is important in that reliable design. It holds the thermostat, directs the coolant between the engine and the radiator, and closes sensor and hose ports. Heat cycles are long lasting in tough composite. With an increase in temperature, the thermostat opens and directs flow with Thermostat Housing making the Toyota powertrain efficient. This is Thermostat Housing resilience, which indicates that engineers made a wise choice of materials. It can be easily replaced, engine cooled, some coolant emptied, hoses loosened, unbolted, surfaces cleaned, new gasket put on, installed, refilled, bled and checked. A new Thermostat Housing will add a lot of miles of certain travel to your Toyota Sienna with good work.