OER Parts offers a wide selection of Rear End Components for your 1984 GMC Jimmy. OER Parts offers 1984 GMC Jimmy Axle Shafts & Parts, 1984 GMC Jimmy Differential, 1984 GMC Jimmy Differential Covers, 1984 GMC Jimmy Differential Hardware, 1984 GMC Jimmy Differential Tools, 1984 GMC Jimmy Driveshaft, 1984 GMC Jimmy Driveshaft Safety Loops, 1984 GMC Jimmy Gaskets & Seals, 1984 GMC Jimmy Performance Rear Ends, 1984 GMC Jimmy Ring & Pinion Gears, and 1984 GMC Jimmy U-Joints and Parts.