Engine Timing Chain Damper is a direct fit for the following:

2005-2006 Buick Rainier
2004-2006 Cadillac CTS
2005-2006 Cadillac STS
2004-2007 Chevrolet Corvette
2006 Chevrolet Impala
2006 Chevorlet Monte Carlo
2005-2006 Chevrolet SSR
2005-2006 Chevrolet Trailblazer
2005-2006 GMC Envoy
2005-2006 Pontiac Grand Prix
2004-2006 Pontiac GTO