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Most modern auto gas tanks are located beneath the trunk and behind the chassis to facilitate easy filling via a fuel pump. The major exception is with rear-engine cars, such as the Porsche 911, in which the auto's gas tank is located at the front of the vehicle.

The Structure of an Auto Gas Tank

Today's tanks are usually designed with two major pipes to facilitate the input and usage of fuel. There's an inlet pipe beneath the cap, which routes gas from the pump to the tank's main chamber. Its counterpart, the outlet pipe, is usually found on the side or at the top; it connects directly to the fuel line that delivers gas to the working parts of the engine.

Auto gas tanks are shaped so that sediment from used fuel can collect in an elevated pouch, preventing it from leaking into the carburetor. In the event that they need service or replacement, tanks also have drain plugs, which can be removed to allow petrol to drain safely into a container so the faulty part can be repaired or reinstalled. They most often need replacement because of contaminants caused by faulty caps, puncture damage and breaks or cracks caused by a car accident.

Parts Plus Auto Store carries a wide range of quality automotive products, both original equipment manufacturer (OEM) and after-market, for hundreds of different makes and models. In operation for more than a quarter century, it is one of the Web's premier providers of competitive prices and excellent service for replacement car parts.

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