Used Engine Control Module (ECM) fits: 1991 Chevrolet Suburban 1500 Electronic C
The engine types may include 4.3L 262Cu. V6 GAS OHV Naturally Aspirated,5.0L 305Cu. V8 GAS OHV Naturally Aspirated,5.7L 350Cu. V8 GAS OHV Naturally Aspirated,6.2L 379Cu. V8 DIESEL OHV Naturally Aspirated,7.4L 454Cu.