Collect fuel level information more consistently than swingarm senders. They achieve this by taking the measurement from the float which is still a moving part. However, the fluctuation is much less because the range of motion is much less. Stainless steel construction provides efficient performance. A direct original equipment manufactured replacement. Compatible with dash mounted gauge. Calibrated to 33-240 Ohm's. Complete with 5 hole gasket and screws. Sender length is 1" shorter than tank depth.