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: Chevrolet B60: 1983, 1984, 1985, 1986, 1988, 1989, 1990, 1991 Chevrolet C4500 Kodiak: 2003, 2004, 2005, 2006, 2007, 2008, 2009 Chevrolet C5500 Kodiak: 2003, 2004, 2005, 2006, 2007, 2008, 2009 Chevrolet C6500 Kodiak: 2003, 2004, 2005, 2006, 2007, 2008, 2009 Chevrolet C7500 Kodiak: 2003, 2004, 2005, 2006, 2007, 2008, 2009 Chevrolet P60: 1983, 1984, 1985, 1986 Chevrolet P600: 1983, 1984, 1985, 1986 Chevrolet P6000: 1983, 1984, 1985, 1986 Chevrolet T6500: 2004, 2005, 2006, 2007, 2008, 2009 Chevrolet T7500: 2004, 2005, 2006, 2007, 2008, 2009 GMC B6000: 1983, 1984, 1985, 1986, 1988, 1989, 1990, 1991 GMC C4500 Topkick: 2003, 2004, 2005, 2006, 2007, 2008, 2009 GMC C5500 Topkick: 2003, 2004, 2005, 2006, 2007, 2008, 2009 GMC C6500 Topkick: 2003, 2004, 2005, 2006, 2007, 2008, 2009 GMC C7500 Topkick: 2003, 2004, 2005, 2006, 2007, 2008, 2009 GMC P65: 1983, 1984, 1985, 1986 GMC P6500: 1983, 1984, 1985, 1986 GMC T6500: 2004, 2005, 2006, 2007, 2008, 2009 GMC T7500: 2004, 2005, 2006, 2007, 2008, 2009 Isuzu FTR: 2003, 2004, 2005, 2006, 2007, 2008, 2009 Isuzu FVR: 2003, 2004, 2005, 2006, 2007, 2008, 2009 Isuzu HTR: 2005, 2006, 2007, 2008 Isuzu HVR: 2005, 2006, 2007, 2008