OER Parts offers a wide selection of Cooling System Components for your 1968 Pontiac Executive. OER Parts offers 1968 Pontiac Executive Hose Clamps, 1968 Pontiac Executive Heater Hose Clamps, 1968 Pontiac Executive Radiator Hose Clamps, 1968 Pontiac Executive Tower Style Hose Clamps, 1968 Pontiac Executive Heat-Shrink Hose Clamps, 1968 Pontiac Executive Corbin Style Hose Clamps, and 1968 Pontiac Executive Radiator & Heater Hose Clamp Set.