Gearbox Front Mounting Bush Insert?

Fits manual gearbox with a single bush in the end casing except for Turbo GT2 & GT3 models which use PFR57-531. Does not fit Gen 2 997 models. For Gen 2 models please use PFR57-533.? This part fits the following vehicles:Porsche 911 Carrera 4 Convertible 3.6L H6? Chassis 997 (2006-2008)Porsche 911 Carrera 4 Coupe 3.6L H6? Chassis 997 (2006-2008)Porsche 911 Carrera Convertible 3.6L H6? Chassis 996 (2005)Porsche 911 Carrera Convertible 3.6L H6? Chassis 997 (2005-2008)Porsche 911 Carrera Coupe 3.6L H6? Chassis 996 (2005)Porsche 911 Carrera Coupe 3.6L H6? Chassis 997 (2005-2008)