For 1989 Chevrolet R2500 Knock Sensor Replacement AP 68517BRFY

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

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

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

Replacement AP Knock Sensor fits Chevy K2500 Suburban 1992-1999 GAS 89JGTK