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Toyota Radiators

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Radiator and Cooling: What They Do for Your Toyota

Your Toyota's radiator is responsible for regulating the engine's temperature by removing excess heat. The cooling system circulates coolant through the engine, absorbing heat and transferring it to the radiator, where it's cooled before being recirculated. This process ensures your engine runs at the correct temperature, preventing overheating and engine damage. Without a properly functioning radiator, your vehicle could quickly experience severe issues.

Why Radiators Break Down

Radiators can break down due to corrosion, leaks, or a clogged system. Over time, the constant heat and pressure can cause cracks in the radiator or connections. Dirt and debris may also build up, blocking the coolant flow and making it less effective at cooling the engine. If you notice any signs like overheating, fluid leaks, or strange smells, your radiator may need attention soon.

When to Replace Your Radiator

It’s a good idea to replace your radiator before it fails completely. If your Toyota model, like the RAV4 or Highlander, is experiencing overheating issues or coolant leaks, replacing the radiator early can prevent further damage. Genuine Toyota radiators offer the best durability and reliability compared to generic aftermarket options, which can wear out faster. For peace of mind, choose Wholesale Direct Toyota Parts for your replacement needs and consider checking the water pump at the same time to ensure the cooling system is in good shape.

Don’t wait until your radiator fails—stay ahead of the issue for the health of your engine.

Radiator Cap

Part Number: 16401-15210
Toyota Toyota
Notes: Included with radiator assembly.
Applications: W/O HYDRAULIC FAN MOTOR.
Other Names: Cap, Cap Sub Assembly Radiat
Description: For Water Outlet; Radiator. Fits Corolla , Van Corolla. 1991-92. 1993-94. Vendor:TOYO.
Fits:
  • Toyota:
    • Corolla,
    • Land Cruiser,
    • Van
MSRP $27.42
$20.61

Radiator Cap

Part Number: 16401-41021
Toyota Toyota
Other Names: Cap S A Radiator
Replaces: 16401-41020
Description: To 04/1986.
Fits:
  • Toyota:
    • Land Cruiser
MSRP $25.27
$18.99

Radiator Cap

Part Number: 16401-67150
Toyota Toyota
Other Names: Cap Sub Assembly Radiat
Replaces: 16401-50210
Description: Fits Land Cruiser To 11/04. From 11/04. Land Cruiser.
Fits:
  • Toyota:
    • Land Cruiser
MSRP $25.93
$19.49

Radiator Cap

Part Number: 16401-76021
Toyota Toyota
Other Names: Cap, Cap Sub Assembly Radiat
Replaces: 16401-76020
Description: Previa. With supercharger.
Fits:
  • Toyota:
    • Previa
MSRP $26.43
$19.86

Radiator Cap

Part Number: 16401-20353
Toyota Toyota
Notes: Included with Warranty radiator assembly.
Applications: 2.2L. 1.8L. 4.7L. 3.4L. 3.0L. 4.0L. PASEO, TERCEL. COROLLA 2003-08. COROLLA 1998-02. COROLLA 1995-97. W/O HYDRAULIC FAN MOTOR.
Other Names: Radiator Cap, Reservoir Cap, Cap Sub Assembly Radiat
Replaces: 16401-20310, 16401-72090
Fits:
  • Toyota:
    • 4Runner,
    • Camry,
    • Celica,
    • Corolla,
    • Highlander,
    • Matrix,
    • Paseo,
    • Prius,
    • Sequoia,
    • Solara,
    • Supra,
    • T100,
    • Tercel,
    • Tundra
MSRP $20.78
$15.61

Radiator Cap

Part Number: 16401-36011
Toyota Toyota
Other Names: Cap S A Radiator
Replaces: 16401-34010, 16401-36010, 16401-36011-72, 16401-41010, 16401-42010
Description: Supra. Cressida. Starlet.
Fits:
  • Toyota:
    • 4Runner,
    • Celica,
    • Cressida,
    • Pickup,
    • Starlet
MSRP $27.42
$20.61

Radiator Cap

Part Number: 16401-36020
Toyota Toyota
Notes: Included with filler neck. Included with OEM radiator assembly. Included with Warranty radiator assembly.
Applications: 5.7L. 3.5L. 2.5L. 2.4L. 4.7L. 2.7L. 4.0L. 4.6L. W/HYDRAULIC FAN MOTOR.
Other Names: Filler Cap, Radiator Assembly Cap, Cap Sub Assembly Radiat
Replaces: 16401-31520, 16401-31792, 16401-62100
Fits:
  • Scion:
    • xA,
    • xB,
    • xD
  • Toyota:
    • 4Runner,
    • Avalon,
    • Camry,
    • Echo,
    • Highlander,
    • Prius C,
    • Sequoia,
    • Sienna,
    • Solara,
    • Supra,
    • Tacoma,
    • Tundra,
    • Venza,
    • Yaris
MSRP $23.61
$17.74

Radiator Cap

Part Number: 16401-50371
Toyota Toyota
Other Names: Cap Sub Assembly Radiat
Description: Land Cruiser. To 07/2016.
Fits:
  • Toyota:
    • Land Cruiser
MSRP $20.78
$15.61

Radiator Cap

Part Number: 16401-31480
Toyota Toyota
Notes: Included with filler neck. Included with filler pipe. Included with radiator assembly.
Applications: 5.7L. 3.5L. 4.6L. 2.5L. 2.7L. 4.0L. 3.3L. 2.4L.
Other Names: Filler Cap, Radiator Assembly Mount Bolt, Cap Sub Assembly Radiat
Replaces: 16401-02421, 16401-28280, 16401-28430
Fits:
  • Scion:
    • iQ,
    • xD
  • Toyota:
    • Avalon,
    • Camry,
    • Highlander,
    • Sequoia,
    • Sienna,
    • Solara,
    • Tundra,
    • Venza,
    • Yaris
MSRP $23.61
$17.74

Radiator Cap

Part Number: 16401-31650
Toyota Toyota
Notes: Included with OEM radiator assembly.
Applications: 4.0L. 2.7L.
Other Names: Cap Sub Assembly Radiat
Replaces: 16401-05140, 16401-5B630, 16401-75440
Description: Fits 4Runner, FJ Cruiser, Tacoma 4.0L. 2.7L. Tacoma. To 1/09. 4Runner. FJ Cruiser.
Fits:
  • Toyota:
    • 4Runner,
    • FJ Cruiser,
    • Tacoma
MSRP $26.10
$19.61

Radiator Cap

Part Number: 16401-31830
Toyota Toyota
Notes: Included with filler tube.
Applications: 4.0L. 3.5L. 2.7L.
Other Names: Cap, Cap Sub Assembly Radiat
Description: 4Runner. From 4/16. Tacoma. Sienna. Filler neck cap. Camry. 3.5L, radiator & hoses. Location-Filler Neck. 3.5L, without hybrid, 2017-19.
Fits:
  • Toyota:
    • 4Runner,
    • Avalon,
    • Camry,
    • Highlander,
    • Sienna,
    • Tacoma
MSRP $22.60
$16.99

Radiator Cap

Part Number: 16401-77020
Toyota Toyota
Notes: Included with radiator.
Other Names: Cap Sub Assembly Radiat
Fits:
  • Toyota:
    • Mirai
MSRP $25.83
$19.41

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