Our MTS Company JPSU-5G replaces the 1986 Jeep Comanche MJ 18 & 23.5 gallon "Side Mounted" fuel tank sending unit. This unit is only for the 2.8L V6 gas engine Comanche with a carburetor (Non-Fuel Injected). Replaces # 52003644, 52003671, 53002490, 52003652, 53002492. Ohm range: Full 80-90, Empty 0-10.