This brake master cylinder is precision-engineered to match the design, function, and performance of the original master cylinder on specific vehicle years, makes and models. It is made of new, high-quality materials for a safe, durable replacement. Vehicle model years this part fits: Buick Rendezvous: 2002, 2003, 2004, 2005, 2006, 2007 Pontiac Aztek: 2001, 2002, 2003, 2004, 2005