For 1989 Chevrolet R2500 MAP Sensor Replacement AP 11317RCZT

For 1989-1991 Chevrolet R2500 Suburban Knock Sensor Replacement AP 37274ZVNB

For 1989 Chevrolet R2500 Knock Sensor Connector SMP 53848TDJY

For 1989-1991 Chevrolet R2500 Suburban MAP Sensor Replacement AP 82874ZGXV 1990

For 1987-1989 GMC R2500 Knock Sensor Replacement AP 77756JVQJ 1988

For 1987-1990 GMC R2500 Suburban Knock Sensor Replacement AP 69462QVPR 1988 1989