This Dorman 800-233 Fuel Sending Unit Repair is a filler neck designed for diesel or gas fuel tanks. It has an L shape and is made of steel with a nut and food seem feature. The unit has a 3/8IN x 4-3/4IN size with a 16mm fitting and 90 degree angle. It is compatible with vehicles that have a fuel tank side placement. This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. The package includes one fuel sending unit repair and has a 1-year manufacturer warranty.