OER Parts offers a wide selection of Automatic Trans & Components for your 2001 GMC Sonoma. OER Parts offers 2001 GMC Sonoma Complete Transmission, 2001 GMC Sonoma Cooler Lines, 2001 GMC Sonoma Dipsticks & Tubes, 2001 GMC Sonoma Flex Plate, 2001 GMC Sonoma Gaskets, Seals, Filters & Hardware 2001 GMC Sonoma Modulator Valves, 2001 GMC Sonoma Shift Knobs, 2001 GMC Sonoma Shift Linkage, 2001 GMC Sonoma Shifters - OE, 2001 GMC Sonoma Shifters - Performance, 2001 GMC Sonoma Torque Converter & Covers, 2001 GMC Sonoma Transmission Pans, and 2001 GMC Sonoma Vacuum Lines.