OEM Toyota Sienna Radiator Cap

Cooling Radiator Cap

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9 Radiator Caps found

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Toyota Sienna Radiator Cap
Part Number: 16475-28140
$23.41 MSRP: $32.58
You Save: $9.17 (29%)
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Product Specifications
- Other Name: Cap, Reserve Tank; Drive Motor Inverter Coolant Reservoir Cap; Engine Coolant Reservoir Cap; Reservoir Cap; Cap; Cap, Ev Reserve Tank
- Replaces: 16475-37010, 16401-53010, 16475-28120, 16475-51010, 16475-51011, 16475-37011, 16401-75120
- 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 Cap Sub-Assembly, Reserve Tank
Part Number: 16471-0A030
$6.56 MSRP: $9.14
You Save: $2.58 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Cap, Radiator Reserve
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2004-2010 Toyota Sienna | CE, LE, Limited, XLE, XLE Limited | 6 Cyl 3.3 L GAS, 6 Cyl 3.5 L GAS
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Toyota Sienna Reservoir Cap
Part Number: 16471-03010
$6.56 MSRP: $9.14
You Save: $2.58 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Cap, Radiator Reserve; Engine Coolant Reservoir Cap; Cap Sub-Assembly, Reserve Tank
- 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 Cap Sub-Assembly, Reserve Tank
Part Number: 16405-0P040
$15.05 MSRP: $20.93
You Save: $5.88 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Cap Sub-Assembly, Reservoir
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2011-2020 Toyota Sienna | Base, L, LE, Limited, Limited Premium, SE, SE Premium, XLE, XLE Premium | 4 Cyl 2.7 L GAS, 6 Cyl 3.5 L GAS
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Toyota Sienna Cap Sub-Assembly(For Water Outlet)
Part Number: 16401-62090
$22.45 MSRP: $31.25
You Save: $8.80 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Cap Sub-Assembly, Radiator; Radiator Cap
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1998-2006 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 Radiator Cap
Part Number: 16401-36030
$17.08 MSRP: $23.77
You Save: $6.69 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Cap Sub-Assembly, Radiator; Engine Coolant Reservoir Cap; Reservoir Cap; Filler Cap; Cap; Cap Sub-Assembly, Radiator Reserve Tank
- Replaces: 16401-16020
- 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 Cap Sub-Assembly, Water Filler
Part Number: 16401-31480
$16.96 MSRP: $23.61
You Save: $6.65 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Cap Sub-Assembly, Radiator; Radiator Cap
- Replaces: 16401-02421, 16401-28430, 16401-28280
- 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 | 4 Cyl 2.7 L GAS, 6 Cyl 3.5 L GAS
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Toyota Sienna Cap Sub-Assembly, Reserve Tank
Part Number: 16405-F0030
$5.13 MSRP: $7.14
You Save: $2.01 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Cap Sub-Assembly, Reservoir; Cap, Reserve Tank
- 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 Radiator Cap
Part Number: 16401-31830
$16.24 MSRP: $22.60
You Save: $6.36 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Cap Sub-Assembly, Radiator; Filler Cap; Cap
- 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

Toyota Sienna Radiator Cap

Choose genuine Radiator Cap that pass strict quality control tests. You can trust the top quality and lasting durability. Shopping for OEM Radiator Cap 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 Radiator Cap is a minor but important task to ensure that this multi-purpose minivan is prepared to accompany the family on a trip and complete the daily job. Smooth camry based handling, a spacious interior that carries up to eight passengers, ingenious storage bins, and stable engines that are highly fuel-efficient are among the strengths attributed to the Toyota Sienna that leave the owners with little or no fears of long trips and rush trips to school. High safety scores, four zone climate control, and ease of use demonstrate the manner in which it balances comfort with durability and this explains why many families remain loyal to Toyota. In keeping up with such philosophy, the Sienna Radiator Cap coded the cooling system, increased the boiling temperature of the coolant, and made the overflow channel to a reservoir, to ensure that the engine is operated at the optimal temperature at city traffic or mountain ascents. Constructed to factory standards, every Radiator Cap is made of sturdy materials and an accurate spring that makes the Sienna cap stand up to the heat cycles and maintains pressure steady keeping gaskets, hoses, and costly engine components safe. Radiator Cap requires installation, steps and conditions to fit a cap on a Toyota Sienna, park on level ground, allow the engine to cool completely, wipe off the old cap with a cloth, carefully twist the old one off to allow it to release any remaining pressure, ensure the filler neck is clear, replace the old cap positioning it until it snaps and turns, and finally, start up the engine and check for leakages.

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