Gasket, Fuel Tank Cap 2UZ 4Runner (08/02 - 07/09), LX450 (11/95 - 12/97), LX470 (01/98 - 07/07) FU1-8.4 - RL1449

Gasket, Fuel Tank Cap 2UZ 4Runner (08/02 – 07/09), LX450 (11/95 – 12/97), LX470 (01/98 – 07/07) FU1-8.4 – RL1449

$11.63

Category: Gasket / Seals

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Additional information

Gasket, Fuel Tank Cap 2UZ 4Runner (08/02 – 07/09), LX450 (11/95 – 12/97), LX470 (01/98 – 07/07) FU1-8.4 – RL1449

Gasket, Fuel Tank Cap 2UZ 4Runner (08/02 - 07/09), LX450 (11/95 - 12/97), LX470 (01/98 - 07/07) FU1-8.4 - RL1449

The factory service manual calls for replacement at every 60,000 miles or every 72 months (6 years).

Fits the following vehicles:
Toyota 4Runner 08/2002 – 07/2009
Lexus LX450 11/1995 – 12/1997
Lexus LX470 01/1998 – 07/2007

Gasket, Fuel Tank Cap 2UZ 4Runner (08/02 - 07/09), LX450 (11/95 - 12/97), LX470 (01/98 - 07/07) FU1-8.4 - RL1449

Maintaining a healthy gas cap seal is critical for several practical reasons:

Maintaining Fuel Delivery & Prime: EFI systems rely on a consistent pressure or vacuum inside the fuel tank to draw fuel efficiently. A bad seal can cause vapor-lock or allow fuel to flow back into the tank when the engine is shut off, leading to hard starts or the “loss of prime”.

Preventing Fuel Evaporation: Gasoline is highly volatile. Without a properly sealed gasket, the lightest and most combustible fractions of the fuel will continuously evaporate into the atmosphere.

Controlling Dangerous Vapor: A leaking gasket means a constant smell of raw gasoline around the vehicle. This is not just a nuisance, but a severe safety and fire hazard, particularly if the vehicle is parked in an enclosed garage.

Keeping Debris Out: The gasket acts as a physical barrier. Brittle, cracked, or shrunken rubber will let dust, dirt, moisture, and road grime into the fuel tank, which can easily clog carburetor jets and ruin fuel filters.

The “Whoosh” Factor: If your tank has an aggressive “hiss” or vacuum sound when you open the gas cap, it typically means the venting system—like the lines running to your charcoal canister or vapor separator—is clogged.

Gasket, Fuel Tank Cap 2UZ 4Runner (08/02 - 07/09), LX450 (11/95 - 12/97), LX470 (01/98 - 07/07) FU1-8.4 - RL1449