MOELLER SENDING UNIT UNIVERSAL 6 - 24" GAS/DIESEL WITH DIESEL RETURN -Moeller Sending Unit, Electric, Universal, for 6" to 24" Deep Tanks, Gas or Diesel with diesel return. Designed for top mounting in aluminum, plastic, or stainless steel fuel tanks in all types of marine vessels. All stainless steel construction resists corrosion and is ethanol compliant. Meets or exceeds current NMMA and ABYC specifications. SS 1/4" NPT female thread w/ 3/8" barb. 1/4" ground spade terminal. Pre-bent 90 deg float arm. Calibrated to 33-240 Ohm's . complete w/ 5 hole gasket and screws. requires dash mounted gauge. * Three year warranty*