GM Genuine Parts Engine Water Pump Pulleys are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These pulleys attach to the water pump shaft and are driven by the engine accessory belt.
Genuine ACDelco Water Pump Gasket 251-2064
Genuine ACDelco Water Pump Pulley 55491377
Genuine ACDelco Water Pump Pulley 90531737
Genuine ACDelco Vacuum Pump 12696313
Genuine ACDelco Vacuum Pump 12686657