What is the importance of the radiator cap in the cooling system and how does its service and repair contribute to optimal performance on Toyota Celica?

The radiator cap helps maintain the cooling system work correctly so repair and service need understanding how it fits with the overall system. Regularly checking the radiator cap helps keep the cooling system working well and avoids engine overheating issues.

OEM Toyota Radiator Cap

Cooling Radiator Cap

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101 Radiator Caps found

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Toyota Cap Sub-Assembly, Radiator Part Number: 16401-20353
$15.40 MSRP: $21.44
You Save: $6.04 (29%)
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Product Specifications
- Other Name: Radiator Cap
- Replaces: 16401-20310, 16401-72090
Fits the following Toyota Models:
- 4Runner | 1996-2000 | Base, Limited, SR5 | 4 Cyl 2.7 L GAS, 6 Cyl 3.4 L GAS
- Camry | 1992-2001 | CE, DLX, DX, LE, SE, XLE | 4 Cyl 2.2 L CNG, 4 Cyl 2.2 L GAS, 6 Cyl 3.0 L GAS
- Celica | 1990-1999 | All Trac, GT, GTS, GTS All Trac, 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 | 1993-2017 | 50th Anniversary Special Edition, Base, CE, DX, L, LE, LE Eco, Le Eco Plus, S, SE, Special Edition, VE, XLE, XRS, XSE | 4 Cyl 1.6 L GAS, 4 Cyl 1.8 L GAS, 4 Cyl 2.4 L GAS
- Highlander | 2006-2007 | Hybrid, Hybrid Limited | 6 Cyl 3.3 L FULL HYBRID EV-GAS (FHEV)
- Matrix | 2003-2013 | Base, S, XR, XRS | 4 Cyl 1.8 L GAS, 4 Cyl 2.4 L GAS
- Paseo | 1992-1997 | Base, Convertible | 4 Cyl 1.5 L GAS
- Prius | 2004-2009 | Base, Touring | 4 Cyl 1.5 L FULL HYBRID EV-GAS (FHEV)
- Sequoia | 2001-2007 | Limited, SR5 | 8 Cyl 4.7 L GAS
- Solara | 1999-2001 | SE | 4 Cyl 2.2 L GAS
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Toyota 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
Fits the following Toyota Models:
- 4Runner | 2015-2016, 2001-2002 | Base, Limited, SR5, Trail, TRD Pro | 6 Cyl 3.4 L GAS, 6 Cyl 4.0 L GAS
- Avalon | 2013-2018, 2005-2008 | Hybrid Limited, Hybrid XLE, Hybrid XLE Plus, Hybrid XLE Premium, Hybrid XLE Touring, Limited, Touring, XL, XLE, XLE Plus, XLE Premium, XLE Touring, XLE Touring SE, XLS | 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV), 6 Cyl 3.5 L GAS
- Camry | 2013-2017, 2002-2009, 1992-1996 | Base, CE, DLX, DX, Hybrid, Hybrid LE, Hybrid SE, Hybrid XLE, L, LE, SE, SE Sport, Special Edition, XLE, XSE | 4 Cyl 2.2 L GAS, 4 Cyl 2.4 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.4 L GAS, 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.5 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.5 L GAS
- Echo | 2000-2005 | Base | 4 Cyl 1.5 L GAS
- Highlander | 2011-2019, 2001-2007 | Base, Hybrid, Hybrid LE, Hybrid Limited, Hybrid Limited Platinum, Hybrid XLE, LE, LE Plus, Limited, Limited Platinum, SE, Sport, XLE | 4 Cyl 2.4 L GAS, 4 Cyl 2.7 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.3 L GAS, 6 Cyl 3.5 L FULL HYBRID EV-GAS (FHEV), 6 Cyl 3.5 L GAS
- Prius C | 2012-2019 | Base, Four, L, LE, One, Persona Series, Three, Two | 4 Cyl 1.5 L FULL HYBRID EV-GAS (FHEV)
- Sequoia | 2017-2022, 2008-2009 | Limited, Nightshade, Platinum, SR5, TRD Pro, TRD Sport | 8 Cyl 4.7 L GAS, 8 Cyl 5.7 L FLEX, 8 Cyl 5.7 L GAS
- Solara | 2002-2008 | SE, SE Sport, SLE, Sport | 4 Cyl 2.4 L GAS
- Supra | 1993-1998 | Base, Twin Turbo | 6 Cyl 3.0 L GAS
- Tacoma | 2016-2017 | Limited, SR, SR5, TRD Off-Road, TRD Pro, TRD Sport | 4 Cyl 2.7 L GAS, 6 Cyl 3.5 L GAS
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Toyota Cap Sub-Assembly(For Water Outlet) Part Number: 16401-62090
$23.17 MSRP: $32.25
You Save: $9.08 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Cap Sub-Assembly, Radiator; Radiator Cap
Fits the following Toyota Models:
- Avalon | 1995-2004 | XL, XLS | 6 Cyl 3.0 L GAS
- Camry | 1992-2006 | CE, DLX, DX, LE, SE, XLE | 4 Cyl 2.2 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.3 L GAS
- Sienna | 1998-2006 | CE, LE, Limited, XLE, XLE Limited | 6 Cyl 3.0 L GAS, 6 Cyl 3.3 L GAS
- Solara | 1999-2008 | SE, SE Sport, SLE, Sport | 6 Cyl 3.0 L GAS, 6 Cyl 3.3 L GAS
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Toyota Radiator Cap Part Number: 16401-31650
$19.35 MSRP: $26.93
You Save: $7.58 (29%)
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Product Specifications
- Other Name: Cap Sub-Assembly, Radiator; Cap
- Replaces: 16401-75440, 16401-5B630, 16401-05140
Fits the following Toyota Models:
- 4Runner | 2003-2010 | Limited, Sport, SR5 | 4 Cyl 2.7 L GAS, 6 Cyl 4.0 L GAS
- FJ Cruiser | 2007-2011 | Base, Trail Teams Special Edition, TRD Special Edition | 6 Cyl 4.0 L GAS
- Tacoma | 2005-2011 | Base, Pre Runner, X-Runner | 4 Cyl 2.7 L GAS, 6 Cyl 4.0 L GAS
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Toyota Radiator Cap Part Number: 16401-36030
$17.67 MSRP: $24.60
You Save: $6.93 (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
Fits the following Toyota Models:
- Avalon | 2019-2022 | Hybrid Limited, Hybrid XLE, Hybrid XSE, Hybrid XSE Nightshade, Limited, XLE | 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.5 L GAS
- Camry | 2018-2025 | Hybrid LE, Hybrid SE, Hybrid SE Nightshade, Hybrid XLE, Hybrid XSE, L, LE, SE, SE Nightshade, XLE, XSE | 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.5 L GAS
- Corolla | 2017-2025, 1993-2002 | 50th Anniversary Special Edition, Base, CE, DX, Hybrid LE, Hybrid Nightshade, Hybrid SE, Hybrid XLE, L, LE, LE Eco, Nightshade, S, SE, SE Nightshade, VE, XLE, XSE | 4 Cyl 1.6 L GAS, 4 Cyl 1.8 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS
- Corolla Cross | 2022-2025 | Hybrid Nightshade, Hybrid S, Hybrid SE, Hybrid XSE, L, LE, XLE | 4 Cyl 2.0 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.0 L GAS
- Crown | 2023-2025 | Limited, Nightshade, Platinum, XLE | 4 Cyl 2.4 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV)
- Crown Signia | 2025 | Limited, XLE | 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV)
- Grand Highlander | 2024-2025 | Hybrid Limited, Hybrid Nightshade, Hybrid Platinum, Hybrid XLE, LE, Limited, Platinum, XLE | 4 Cyl 2.4 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.4 L GAS, 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV)
- Highlander | 2020-2025 | Hybrid Bronze Edition, Hybrid LE, Hybrid LE Nightshade, Hybrid Limited, Hybrid Limited 25th Edition, Hybrid Platinum, Hybrid XLE, Hybrid XLE Nightshade, L, LE, Limited, Platinum, XLE, XSE | 4 Cyl 2.4 L GAS, 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV), 6 Cyl 3.5 L GAS
- Prius | 2021-2025 | 2020 Edition, L Eco, LE, Limited, Nightshade, Plug-In Hybrid SE, Plug-In Hybrid XSE, Plug-In Hybrid XSE Premium, XLE | 4 Cyl 1.8 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.0 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.0 L PLUG-IN HYBRID EV-GAS (PHEV)
- Prius AWD-e | 2021-2022 | LE, XLE | 4 Cyl 1.8 L FULL HYBRID EV-GAS (FHEV)
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Toyota Radiator Cap Part Number: 16475-28140
$24.13 MSRP: $33.58
You Save: $9.45 (29%)
Ships in 1 Business Day
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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
Fits the following Toyota Models:
- 4Runner | 2025 | Limited, Platinum, SR5, Trailhunter, TRD Off-Road, TRD Off-Road Premium, TRD Pro, TRD Sport, TRD Sport Premium | 4 Cyl 2.4 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.4 L GAS
- Avalon | 2013-2022 | Hybrid Limited, Hybrid XLE, Hybrid XLE Plus, Hybrid XLE Premium, Hybrid XLE Touring, Hybrid XSE, Hybrid XSE Nightshade | 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV)
- bZ4X | 2023-2025 | Limited, Nightshade, XLE | BATTERY EV (EV/BEV)
- C-HR | 2018-2022 | LE, Limited, Nightshade, XLE, XLE Premium | 4 Cyl 2.0 L GAS
- Camry | 2012-2024 | Hybrid LE, Hybrid SE, Hybrid SE Nightshade, Hybrid XLE, Hybrid XSE | 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV)
- Celica | 2000-2005 | GT, GTS | 4 Cyl 1.8 L GAS
- Corolla | 2019-2025 | Hybrid LE, Hybrid Nightshade, Hybrid SE, Hybrid XLE, L, LE, SE, SE Apex, SE Nightshade, XLE, XSE, XSE Apex | 4 Cyl 1.8 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS
- Corolla Cross | 2023-2025 | Hybrid Nightshade, Hybrid S, Hybrid SE, Hybrid XSE | 4 Cyl 2.0 L FULL HYBRID EV-GAS (FHEV)
- Corolla iM | 2017-2018 | Base | 4 Cyl 1.8 L GAS
- Crown | 2023-2025 | Limited, Nightshade, Platinum, XLE | 4 Cyl 2.4 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV)
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Toyota Radiator Cap Part Number: 16401-0C010
$19.59 MSRP: $27.26
You Save: $7.67 (29%)
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Product Specifications
- Other Name: Cap Sub-Assembly, Radiator
Fits the following Toyota Models:
- 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 Cap Sub-Assembly, Water Filler Part Number: 16401-31480
$17.55 MSRP: $24.43
You Save: $6.88 (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
Fits the following Toyota Models:
- Avalon | 2009-2012 | Base, Limited, XL, XLS | 6 Cyl 3.5 L GAS
- Camry | 2009-2012, 2004-2006 | Base, Hybrid, Hybrid LE, Hybrid XLE, L, LE, SE, XLE | 4 Cyl 2.4 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.4 L GAS, 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.5 L GAS, 6 Cyl 3.5 L GAS
- Highlander | 2008-2013 | Base, Hybrid, Hybrid Limited, Limited, Plus, SE, Sport | 4 Cyl 2.7 L GAS, 6 Cyl 3.3 L FULL HYBRID EV-GAS (FHEV), 6 Cyl 3.5 L GAS
- Sequoia | 2008-2017 | Limited, Platinum, SR5 | 8 Cyl 4.6 L GAS, 8 Cyl 5.7 L FLEX, 8 Cyl 5.7 L GAS
- Sienna | 2007-2016 | Base, CE, L, LE, Limited, SE, XLE | 4 Cyl 2.7 L GAS, 6 Cyl 3.5 L GAS
- Tundra | 2010-2017 | 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
- Venza | 2009-2012 | Base, LE, Limited, XLE | 4 Cyl 2.7 L GAS, 6 Cyl 3.5 L GAS
- Yaris | 2009-2014 | Base, L, LE, S, SE | 4 Cyl 1.5 L GAS
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Toyota Radiator Cap Part Number: 16401-30020
$15.40 MSRP: $21.44
You Save: $6.04 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Cap Sub-Assembly, Radiator
- Replaces: 16401-0C050, 16401-46610
Fits the following Toyota Models:
- 4Runner | 2010-2016 | Limited, SR5, Trail, TRD Pro | 6 Cyl 4.0 L GAS
- FJ Cruiser | 2011-2014 | Base | 6 Cyl 4.0 L GAS
- Tacoma | 2009-2015 | Base, Pre Runner, TRD Pro, X-Runner | 4 Cyl 2.7 L GAS, 6 Cyl 4.0 L GAS
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Toyota Reservoir Cap Part Number: 16471-03010
$6.80 MSRP: $9.46
You Save: $2.66 (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
Fits the following Toyota Models:
- Avalon | 1997-1999 | XL, XLS | 6 Cyl 3.0 L GAS
- Camry | 1997-2001 | CE, LE, XLE | 4 Cyl 2.2 L CNG, 4 Cyl 2.2 L GAS, 6 Cyl 3.0 L GAS
- Sequoia | 2001-2007 | Limited, SR5 | 8 Cyl 4.7 L GAS
- Sienna | 1998-2003 | CE, LE, XLE | 6 Cyl 3.0 L GAS
- Solara | 1999-2003 | SE, SLE | 4 Cyl 2.2 L GAS, 4 Cyl 2.4 L GAS, 6 Cyl 3.0 L GAS
- Tundra | 2000-2006 | 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 Radiator Cap Part Number: 16401-67150
$19.23 MSRP: $26.76
You Save: $7.53 (29%)
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Product Specifications
- Other Name: Cap Sub-Assembly, Radiator
- Replaces: 16401-50210
Fits the following Toyota Models:
- Land Cruiser | 1998-2007 | Base | 8 Cyl 4.7 L GAS
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Toyota Cap Sub-Assembly, Reserve Tank Part Number: 16471-20020
$8.59 MSRP: $11.96
You Save: $3.37 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Cap, Radiator Reserve
Fits the following Toyota Models:
- Highlander | 2006-2007 | Hybrid, Hybrid Limited | 6 Cyl 3.3 L FULL HYBRID EV-GAS (FHEV)
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Toyota Cap Sub-Assembly, Reserve Tank Part Number: 16405-0P040
$15.52 MSRP: $21.61
You Save: $6.09 (29%)
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Product Specifications
- Other Name: Cap Sub-Assembly, Reservoir
Fits the following Toyota Models:
- Sienna | 2011-2020 | 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 Reservoir Cap Part Number: 16405-0P030
$27.71 MSRP: $38.57
You Save: $10.86 (29%)
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Product Specifications
- Other Name: Cap Sub-Assembly, Reserve Tank; Engine Coolant Reservoir Cap; Cap
Fits the following Toyota Models:
- Tacoma | 2005-2023 | Base, Limited, Nightshade, Pre Runner, SR, SR5, Trail, Trail Special Edition, TRD Off-Road, TRD Pro, TRD Sport, X-Runner | 4 Cyl 2.7 L GAS, 6 Cyl 3.5 L GAS, 6 Cyl 4.0 L GAS
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Toyota Cap Sub-Assembly, Reserve Tank Part Number: 16471-0A030
$6.80 MSRP: $9.46
You Save: $2.66 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Cap, Radiator Reserve
Fits the following Toyota Models:
- Sienna | 2004-2010 | CE, LE, Limited, XLE, XLE Limited | 6 Cyl 3.3 L GAS, 6 Cyl 3.5 L GAS
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Toyota Cap Assembly Part Number: 16405-75020
$17.44 MSRP: $24.27
You Save: $6.83 (29%)
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Product Specifications
- Other Name: Cap Sub-Assembly, Reservoir; Engine Coolant Reservoir Cap; Radiator Cap; Cap Sub-Assembly, Reserve Tank
Fits the following Toyota Models:
- 4Runner | 1996-2002 | Base, Limited, SR5 | 4 Cyl 2.7 L GAS, 6 Cyl 3.4 L GAS
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Toyota Radiator Cap Part Number: 16401-15210
$20.30 MSRP: $28.26
You Save: $7.96 (29%)
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Product Specifications
- Other Name: Cap Sub-Assembly, Radiator; Cap; Cap Sub-Assembly(For Water Outlet)
Fits the following Toyota Models:
- Corolla | 1984-1992 | Base, DLX, DLX All Trac, FX, FX16, FX16 GTS, GTS, LE, Sport DLX, Sport GTS, Sport SR5, SR5, SR5 All Trac | 4 Cyl 1.6 L GAS
- Land Cruiser | 1991-1997 | Base | 6 Cyl 4.0 L GAS, 6 Cyl 4.5 L GAS
- Van | 1985-1989 | Wagon Crg, Wagon DX, Wagon LE | 4 Cyl 2.0 L GAS, 4 Cyl 2.2 L GAS
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Toyota Radiator Cap Part Number: 16401-63010
$22.57 MSRP: $31.42
You Save: $8.85 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Cap Sub-Assembly, Radiator; Cap; Cap Sub-Assembly(For Water Outlet); Cap Sub-Assembly, Water Filler
- Replaces: 16401-63010-73
Fits the following Toyota Models:
- 4Runner | 1990-1995 | SR5 | 4 Cyl 2.4 L GAS, 6 Cyl 3.0 L GAS
- 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, 6 Cyl 2.5 L GAS
- Celica | 1984-1989 | All Trac, GT, GTS, ST | 4 Cyl 2.0 L GAS, 4 Cyl 2.4 L GAS
- Corolla | 1984-1992 | Base, DLX, DLX All Trac, FX, FX16, FX16 GTS, GTS, LE, Sport DLX, Sport GTS, Sport SR5, SR5, SR5 All Trac | 4 Cyl 1.6 L GAS
- Cressida | 1985-1992 | Luxury | 6 Cyl 2.8 L GAS, 6 Cyl 3.0 L GAS
- MR2 | 1991-1995, 1985-1989 | Base, GT, Super Charged, Turbo | 4 Cyl 1.6 L GAS, 4 Cyl 2.0 L GAS, 4 Cyl 2.2 L GAS
- Supra | 1986-1992 | Base, Turbo | 6 Cyl 3.0 L GAS
- T100 | 1993-1998 | Base, DLX, DX, One-Ton, One-Ton DLX, SR5 | 4 Cyl 2.7 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.4 L GAS
- Tercel | 1984-1990 | Base, DLX, DX, EZ, SR5, STD | 4 Cyl 1.5 L GAS
- Van | 1985-1989 | Wagon Crg, Wagon DX, Wagon LE | 4 Cyl 2.0 L GAS, 4 Cyl 2.2 L GAS
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Toyota Reservoir Cap Part Number: 16405-WB001
$30.44 MSRP: $42.37
You Save: $11.93 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Cap Sub-Assembly, Reservoir; Engine Coolant Reservoir Cap; Cap; Cap Sub-Assembly, Radiator Reserve Tank
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 Reservoir Cap Part Number: 16471-23030
$4.77 MSRP: $6.64
You Save: $1.87 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Cap, Radiator Reserve; Engine Coolant Reservoir Cap; Cap; Cap Sub-Assembly, Reserve Tank
Fits the following Toyota Models:
- Corolla | 2014-2019 | 50th Anniversary Special Edition, L, LE, LE Eco, Le Eco Plus, S, SE, Special Edition, XLE, XSE | 4 Cyl 1.8 L GAS
- Yaris | 2007-2018 | Base, L, LE, S, SE | 4 Cyl 1.5 L GAS

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Toyota Radiator Cap

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 Radiator Cap? 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.

The Toyota Radiator Cap ensures the hot water stays locked allowing the driver to maintain cooling without any boil over drama, which reflects the same production logic Toyota has pushed forward since starting in 1937. Toyota was born in Japan and shook the world market with the lean production, waste cutting and the flexible TNGA floor that trickled into every platform. Modern milestones like the 2022 Hybrid Synergy Drive and the 2024 RAV4 Plug-in Hybrid with 42 electric miles show that this innovative spirit percolates into the Radiator Cap. This small part regulates the entire thermal loop of the vehicle. The Radiator Cap is a metal and rubber lid located on the radiator, is designed to guide the water, maintain the pressure, minimize leaks, and shield the neck against vibration. This lid is easily swapped after the Toyota seal is wiped and the gasket is inspected for splits using a bright light. Never open a hot system to avoid steam burns. Yank the old cap off the neck and wipe out the grit and residue from the sealing ring. Install the new Radiator Cap, align the lugs and secure the cap clockwise until the Radiator Cap is seated firmly. Check for drips, start the Toyota, and hear a quiet hiss, which means you have succeeded.

Toyota Radiator Cap Parts and Q&A

Radiator Cap
16475-28140
Q: What is the importance of the radiator cap in the cooling system and how does its service and repair contribute to optimal performance on Toyota Celica?
A:
The radiator cap helps maintain the cooling system work correctly so repair and service need understanding how it fits with the overall system. Regularly checking the radiator cap helps keep the cooling system working well and avoids engine overheating issues.