Aftermarket & Genuine OEM Fuel Sending Unit

How is your engine going to run if the gas can't get to it? That's where the fuel sending unit comes in. In addition to moving the gas from the tank to the engine, the sending unit also measures the amount of fuel in the tank and supplies that information to the driver via a gas gauge. Few things are more frustrating to a driver than not knowing how much fuel is in the tank. If the gauge is always reading the same then it could be time for a new fuel sending unit. The fuel sender is located in the tank and can often rust or break given time. The locking ring and gasket can that hold the part in can also break. The sock that filters the fuel going into the unit can become clogged or tear allowing unfiltered fuel into the line. The fuel sending unit float is the part that moves up and down as the tank fills or empties to measure the amount of fuel.

The fuel sending unit does what you would expects, sends fuel from the fuel tank to the engine in conjunction with the fuel pump. Just as importantly it sends information to the driver about the amount of fuel in the tank. These units are irregularly shaped and designed to fit into the specific tank in your car. The sender is usually made out of metal and includes a mesh sock for a filter and a float to measure the fuel. The float is foam or sometimes brass. The float drops gradually as fuel leaves the tank. This set up can lead to inaccurate gauging of the fuel amount but still gives the driver a good idea of how much fuel is left. Before the fuel sending unit and gas gauge, drivers would have to guess how much fuel was left or use a dipstick. Some early tanks had a glass covered clear opening that allowed the driver to actually see into the tank. Thankfully, we now have the fuel sending unit and gauge to warn us when the tank is getting low.

As with anything dealing with gasoline, changing a fuel sending unit can be dangerous. It takes several steps to replace one. If one is uneasy with the task, it may be best to seek a mechanic.

  • First, disconnect the fuel pump and siphon the gas out of the tank. Raise the rear or the car using a lift or jacks.
  • Disconnect the straps, hoses and lines from the tank. Unscrew the retaining ring and remove the fuel sending unit.
  • Connect the fuel pump to the new fuel sending unit. Please the whole thing back in the tank with a new locking ring and gasket. Turn the locking ring clockwise to hold the part in place.
  • Reconnect all the fuel lines, hoses and electrical connectors. Replace the tank and strap it in. Lower the vehicle and refill the tank. Check carefully for leaks and make sure that the tank is reading correctly.
Our low prices on fuel sending units mean that it is often more economical to just buy a new one than to rebuild or repair and existing one. Our wide selection and knowledge make us a one stop shop for these parts. We also have replacement gaskets, socks, and locking rings for your fuel sending unit. Our parts will take your car back to new with reliability and usability. You should strongly consider picking up a new sender if you are replacing your fuel tank or your fuel lines. Each part comes with a 12 month warranty and 30 day return guarantee.
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