OER Parts offers a wide selection of Cooling System Components for your 1966 Pontiac Star Chief. OER Parts offers 1966 Pontiac Star Chief Water Pump Pulleys, 1966 Pontiac Star Chief Single Groove Water Pump Pulley, 1966 Pontiac Star Chief Double Groove Water Pump Pulley, 1966 Pontiac Star Chief Reproduction Water Pump Pulley, 1966 Pontiac Star Chief Chrome Water Pump Pulley, and 1966 Pontiac Star Chief Machined Aluminum Water Pump Pulley.