OER Parts offers a wide selection of Body Panels for your 1986 GMC K1500. OER Parts offers 1986 GMC K1500 Cowl Panels, 1986 GMC K1500 Cowl Drain Flap, 1986 GMC K1500 Side Cowl Panel, 1986 GMC K1500 Cowl Panel Plugs , 1986 GMC K1500 Cowl Drain Hose, and 1986 GMC K1500 Cowl Gasket.