Bosch Knock SensorBosch OE quality knock sensors for optimum engine protection and fuel consumption reduction up to 9% This Part Fits: Year Make Model Submodel 1987 1988 Porsche 944 S 1989 1991 Porsche 944 S2 1989 Porsche 944 Turbo 1992 1995 Porsche 968 Base 1985 Saab 900 Base 1985 Saab 900 S 1991 Saab 900 S Turbo 1991 Saab 900 SE Turbo 1986 1991 Saab 900 SPG 1985 1990,1992 1994 Saab 900 Turbo 1993 1994 Saab 900 Turbo Commemorative Edition 1989 Saab 9000 Base 1990 Saab