OER Parts offers a wide selection of Manual Transmissions & Parts for your 1976 GMC C25 Suburban. OER Parts offers 1976 GMC C25 Suburban Bearings, 1976 GMC C25 Suburban Boots, 1976 GMC C25 Suburban Complete Transmissions, 1976 GMC C25 Suburban Flywheel, 1976 GMC C25 Suburban Gaskets, Seals & Filters, 1976 GMC C25 Suburban Gears, 1976 GMC C25 Suburban Hardware, 1976 GMC C25 Suburban Shift Knobs, 1976 GMC C25 Suburban Shift Linkage, 1976 GMC C25 Suburban OE Shifters, and 1976 GMC C25 Suburban Performance Shifters.