Used Engine Control Module (ECM) fits: 1990 Gmc 1500 PICKUP Electronic Control M
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.