OER Parts offers a wide selection of Body Panels for your 1966 GMC K1000 Pickup. OER Parts offers 1966 GMC K1000 Pickup Truck Bed Components, 1966 GMC K1000 Pickup Stepside Bed Sides - Full, 1966 GMC K1000 Pickup Bed Sides - Partial, 1966 GMC K1000 Pickup Running Boards, 1966 GMC K1000 Pickup Side Steps, 1966 GMC K1000 Pickup Patch Panels, 1966 GMC K1000 Pickup Front Bed Panel, 1966 GMC K1000 Pickup Stake Pocket Repair Panel, 1966 GMC K1000 Pickup Bed Floor Panel, 1966 GMC K1000 Pickup Stepside Rear Fender, 1966 GMC K1000 Pickup Fiberglass Bed Side, and 1966 GMC K1000 Pickup Rear Bed Corner.