I know this was back in June of this year, but i just ordered a new fuel pump and sending unit for my 1990 jeep Comanche eliminator, short bed 18 gal side mounted fuel tank from
http://www.mtscompany.com/sendingunits.htm they are producing new ones. 1986-1992 JeepĀ® Comanche MJ 18 & 23.5 gallon "side mounted" gas tank sending unit with fuel injected engines (w/ pump). Includes new lock ring and O-ring. Replaces # Top Plate View: pic 2Ohm range: Full 0-3, Empty 90-100.
Hope this helps