Moeller Reed Switch Fuel Sending UnitCollect fuel level information more consistently than swingarm senders 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. 316 Type, Stainless Steel construction provides efficient performance; A Direct Original Equipment Manufactured sender replacement by WEMA USA; Sender length is 1" shorter than the tank depth.; Calibrated to 32-240Ohm's, an industry standard.; Complete with 5-hole gasket and screws.; Compatible with Dash Mounted Gauge (33-240 Ohm's); Available in the following tank depths: 6" tank depth - Moeller part# 035773-10; 9" tank depth - Moeller part # 035761-10; 11" tank depth - Moeller part # 035762-10; 13" tank depth - Moeller part # 035764-10; 15" tank depth - Moeller part # 035765-10; 18-1/2" tank depth - Moeller part # 035767-10; Sender length is 1" shorter than tank depth.