OER Parts offers a wide selection of Rear End Components for your 1980 GMC Jimmy. OER Parts offers 1980 GMC Jimmy Axle Shafts & Parts, 1980 GMC Jimmy Differential, 1980 GMC Jimmy Differential Covers, 1980 GMC Jimmy Differential Hardware, 1980 GMC Jimmy Differential Tools, 1980 GMC Jimmy Driveshaft, 1980 GMC Jimmy Driveshaft Safety Loops, 1980 GMC Jimmy Gaskets & Seals, 1980 GMC Jimmy Performance Rear Ends, 1980 GMC Jimmy Ring & Pinion Gears, and 1980 GMC Jimmy U-Joints and Parts.