OEM Toyota Tundra Radiator Cap

Cooling Radiator Cap

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6 Radiator Caps found

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Toyota Tundra Cap Sub-Assembly, Radiator
Part Number: 16401-20353
$14.93 MSRP: $20.78
You Save: $5.85 (29%)
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Product Specifications
- Other Name: Radiator Cap
- Replaces: 16401-20310, 16401-72090
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2000-2006 Toyota Tundra | Base, Limited, SR5 | 6 Cyl 3.4 L GAS, 6 Cyl 4.0 L GAS, 8 Cyl 4.7 L GAS
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Toyota Tundra 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:
- 2022-2024 Toyota Tundra | 1794 Edition, Capstone, Limited, Platinum, SR, SR5, TRD Pro | 6 Cyl 3.4 L FULL HYBRID EV-GAS (FHEV), 6 Cyl 3.4 L GAS
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Toyota Tundra 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:
- 2000-2006 Toyota Tundra | Base, Limited, SR5 | 6 Cyl 3.4 L GAS, 6 Cyl 4.0 L GAS, 8 Cyl 4.7 L GAS
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Toyota Tundra Reservoir Cap
Part Number: 16405-0P100
$14.45 MSRP: $20.11
You Save: $5.66 (29%)
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Product Specifications
- Other Name: Conduction Assembly; Engine Coolant Reservoir Cap; Cap Sub-Assembly, Radiator Reserve Tank
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2007-2021 Toyota Tundra | 1794 Edition, Base, Limited, Nightshade, Platinum, SR, SR5, Trail, TRD Pro | 8 Cyl 4.6 L GAS, 8 Cyl 4.7 L GAS, 8 Cyl 5.7 L FLEX, 8 Cyl 5.7 L GAS
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Toyota Tundra Radiator Cap
Part Number: 16401-36020
$16.96 MSRP: $23.61
You Save: $6.65 (29%)
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Product Specifications
- Other Name: Cap Sub-Assembly, Radiator; Filler Cap; Water Outlet Cap; Radiator Assembly Cap; Cap; Cap Sub-Assembly, Water Filler
- Manufacturer Note: TYPE C:REFER ILLUST.
- Replaces: 16401-31520, 16401-31792, 16401-62100
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2018-2021, 2007-2011 Toyota Tundra | 1794 Edition, Base, Limited, Nightshade, Platinum, SR, SR5, Trail, TRD Pro | 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS, 8 Cyl 4.7 L GAS, 8 Cyl 5.7 L FLEX, 8 Cyl 5.7 L GAS
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Toyota Tundra 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:
- 2010-2017 Toyota Tundra | 1794 Edition, Base, Limited, Platinum, SR, SR5, TRD Pro | 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS, 8 Cyl 5.7 L FLEX, 8 Cyl 5.7 L GAS

Toyota Tundra 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 Tundra? Our website is your one-stop destination. We stock an extensive selection of genuine Toyota Tundra 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 Tundra Radiator Cap is a relatively minor but an essential part of the tough pickup that allows it to be applied in long-hauls. Toyota introduced the Tundra to provide drivers with a full size truck, which has a powerful V8, a well shifting six speed automatic transmission, and an impressive towing capability that is supported by a reinforced frame. The stout chassis of the truck, choice of cabs, and heavy duty cooling package enable the Tundra to carry trailers and at the same time provide comfort to the ride. New suspension and steering ensure that there is no problem taking their trucks on a cruise along the highway and the quality control applied in the manufacturing process is such that the owners can be sure that they are able to use their trucks both in the workplace and during off career weekends without any trouble. The Toyota Tundra Radiator Cap is applied in the cooling system to maintain specific pressure, increase the boiling point of the coolant, and direct any excess fluid to the reservoir that ensures engine temperatures are maintained during stressful work. An effective Radiator Cap can avoid boil over, protects gaskets and lowers the wear of pumps and hoses. Due to the tight seal of the Radiator Cap, the heat is kept under control even in situations when the Tundra is ascending sharp grades. An authentic Radiator Cap is a good choice that would provide the same durability as that of Toyota factory. Installation requires the engine to cool then a cloth is laid over the old cap and it is twisted off gradually, the filler neck is cleaned and the new cap is pushed down as the pickup is turned until it is locked and the pickup is then started and leaks checked.