This HVAC heater control knob is designed to match the fit and function of the original control knob on specified vehicles, and is engineered for durability and reliable performance. Vehicle model years this part fits (be sure to check your vehicle trim using the Amazon garage) - [Buick Century: 2000, 2001, 2002, 2003, 2004, 2005] - [Buick Regal: 2000, 2001, 2002, 2003, 2004] - [Geo Prizm: 1993, 1994, 1995, 1996, 1997] - [Pontiac Grand Am: 1999, 2000, 2001, 2002, 2003, 2004, 2005] - [Pontiac Grand Prix: 1997, 1998, 1999, 2000, 2001, 2002, 2003]