Application Summary: GENERAL MOTORS 1995-76, 1972-68. This PCV valve grommet is designed to match the fit and function of the original grommet on specified vehicles, and is engineered for durability and reliable performance. Direct replacement - this PCV valve grommet is designed to match the fit and function of the original grommet on specified vehicles. OE Numbers: 14091870 GENERAL MOTORS, 3989344 GENERAL MOTORS