OER Parts offers a wide selection of Body Components for your 1966 GMC Truck. OER Parts offers 1966 GMC Truck Truck Bed Parts, 1966 GMC Truck Bed Liners, 1966 GMC Truck Bed Rails, 1966 GMC Truck Bed Strips, 1966 GMC Truck Bed Tonneau Covers, 1966 GMC Truck Bed Undercarriage, 1966 GMC Truck Bed Wood Sets,1966 GMC Truck Mounting Hardware, 1966 GMC Truck Roll Pans, 1966 GMC Truck Spare Tire and Parts, 1966 GMC Truck Stake Pocket Accessories, and 1966 GMC Truck Stepside & Flareside Parts.