OER Parts offers a wide selection of Automatic Trans & Components for your 2003 GMC Jimmy. OER Parts offers 2003 GMC Jimmy Complete Transmission, 2003 GMC Jimmy Cooler Lines, 2003 GMC Jimmy Dipsticks & Tubes, 2003 GMC Jimmy Flex Plate, 2003 GMC Jimmy Gaskets, Seals, Filters & Hardware 2003 GMC Jimmy Modulator Valves, 2003 GMC Jimmy Shift Knobs, 2003 GMC Jimmy Shift Linkage, 2003 GMC Jimmy Shifters - OE, 2003 GMC Jimmy Shifters - Performance, 2003 GMC Jimmy Torque Converter & Covers, 2003 GMC Jimmy Transmission Pans, and 2003 GMC Jimmy Vacuum Lines.