The radiator cap holds the coolant inside the radiator, but it also works as a two-way valve that keeps the right pressure inside so the radiator does it work correctly. It is extremely important to always make sure to allow the engine to cool down before removing the radiator cap, as removing the cap from a hot system can cause sudden coolant spray and severe burns. A faulty radiator cap can have a huge impact on the cooling performance of your vehicle, once you have a replacement and your engine is cool, simply unscrew the old cap, and install the new by screwing it on. Fits the Following Vehicles: 1996-2000 Toyota 4Runner 1989-2001 Toyota Camry 1990-1997, 1999 Toyota Celica 1993-2016 Toyota Corolla ( To 08/2016 ) 2006-2007 Toyota Highlander 2003-2013 Toyota Matrix 1992-1998 Toyota Paseo 2004-2009 Toyota Prius 2001-2007 Toyota Sequoia 1999-2001 Toyota Solara 1990-1992 Toyota Supra 1993-1998 Toyota T100 1991-1998 Toyota Tercel 2000-2006 Toyota Tundra Replaces Part #: 16401-20353, 1640120353. NOTE: To ensure accurate fitment, please confirm your vehicle information in the above compatibility section and the description.

• OE FIT, FORM, FUNCTION : Professional, high quality OE style and meet or exceed all original equipment performance replacement radiator cap. Constructed with premium materials for durability. Designed to function on open cooling systems and overflow reservoir type systems and allows the cap to be installed and removed much easier.
• FRIENDLY NOTE : If the radiator cap fails on your vehicle, simply contact us for a replacement. Also if you have any other questions on our this radiator cap, please contact us at the first time. This is NOT a genuine part, it's a aftermarket replacement part manufactured by Allmotorparts.

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Common questions