OER Parts offers a wide selection of Manual Transmissions & Parts for your 1994 GMC Truck. OER Parts offers 1994 GMC Truck Bearings, 1994 GMC Truck Boots, 1994 GMC Truck Complete Transmissions, 1994 GMC Truck Flywheel, 1994 GMC Truck Gaskets, Seals & Filters, 1994 GMC Truck Gears, 1994 GMC Truck Hardware, 1994 GMC Truck Shift Knobs, 1994 GMC Truck Shift Linkage, 1994 GMC Truck OE Shifters, and 1994 GMC Truck Performance Shifters.