OER Parts offers a wide selection of Ignition System Components for your 1949 GMC Truck. OER Parts offers 1949 GMC Truck Performance Ignition, 1949 GMC Truck Stock Ignition, 1949 GMC Truck Coils, 1949 GMC Truck Cap and Rotors,, 1949 GMC Truck Ignition Control Modules, 1949 GMC Truck Spark Plugs, 1949 GMC Truck Spark Plug Wires, 1949 GMC Truck Distributors, and 1949 GMC Truck Tune Up Kits.