1227747 Chevy Engine Computer ECM ECU 1987 - 1991

1988 1989 1990 Chevy Truck 1500 Computer ECM & Prom Chip PCM 1227747 5.7L ASDU

C1500 1227747 Chevy Engine Computer ECM ECU 4.3L 5.0L 5.7L 1988 1989 1990 1991

C1500 1227747 Chevy Engine Computer ECM ECU 4.3L 5.0L 5.7L 1987 ACSW

1227747 ADUJ 1988-1991 Chevy GMC 1500 2500 3500 AT Engine Computer Module ECM

1228747 Chevy Engine Computer ECM ECU 5.7L A/T 1987-1991 350TBI AKWA #2

1987 1988 1989 GMC Truck Engine Computer ECM PCM 1227747 4.3L, 5.0L, 5.7L

1227747 Chevy Engine Computer ECM ECU 5.7L A/T 1987-1991 350TBI ASDU #1