Used Engine Control Module (ECM) fits: 1991 Chevrolet 2500 PICKUP Electronic Con
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.