For 1987-1988 Chevrolet R20 Knock Sensor Replacement AP 69538WYRC FI TBI

Replacement AP 86GW92Z Knock Sensor Fits 1987-1988 Chevy R20 FI TBI

For 1987-1988 Chevrolet R20 Suburban Knock Sensor Replacement AP 82392SBYG GAS

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

Replacement Knock Sensor fits Chevy R20 1987-1988 87NVFW

Replacement Knock Sensor fits Chevy R20 1987-1988 77QGJQ

Replacement AP 17RM55P Knock Sensor Fits 1987-1988 Chevy R20 Suburban GAS

Replacement 86ZH29D Knock Sensor Fits 1987-1988 Chevy R20