2017-2021 Silverado 2500 3500 6.6L Engine Control Module ECM ECU PCM 12683624 *J

17-21 GM Truck 2500/3500 6.6 Duramax Diesel Engine Control Module ECM #12670950

Chevrolet Silverado 3500 Pickup 2017-2021 Engine Control Module 6.6L 12670950

2017-2021 GM 2500-3500 6.6L Diesel Engine Control Module ECM ECU; ID 12691652

2017-2021 Silverado 2500 3500 6.6L AT 4x4 Engine Control Module ECU ECM 12714968

19 2019 Chevrolet Silverado 2500 Engine Control Module 6.6L Diesel OEM