OER Parts offers a wide selection of Manual Transmissions & Parts for your 1987 GMC Truck. OER Parts offers 1987 GMC Truck Bearings, 1987 GMC Truck Boots, 1987 GMC Truck Complete Transmissions, 1987 GMC Truck Flywheel, 1987 GMC Truck Gaskets, Seals & Filters, 1987 GMC Truck Gears, 1987 GMC Truck Hardware, 1987 GMC Truck Shift Knobs, 1987 GMC Truck Shift Linkage, 1987 GMC Truck OE Shifters, and 1987 GMC Truck Performance Shifters.