OER Parts offers a wide selection of Cooling System Components for your 1976 GMC C15. OER Parts offers 1976 GMC C15 Shroud Hardware, 1976 GMC C15 Shroud Mounting Kit, 1976 GMC C15 Lower Radiator Fan Shroud Clip, 1976 GMC C15 Upper Fan Shroud Bracket, 1976 GMC C15 Lower Fan Shroud Bracket, and 1976 GMC C15 Fan Shroud Flange Nuts.