Programmed 2018 Silverado 1500 ECM | Replaces Part 12688528 | VIN Matched

Programmed GM ECM 12686383 | VIN-Flashed Engine Computer for 2018-2019 GM

VIN Programmed 2018 Chevrolet Silverado Engine Computer ECM 12704475 GM

2018 Suburban 1500 ECM 12686383 | VIN Programmed Engine Computer

2018 Silverado 1500 12686383 Computer Brain Engine Control ECU ECM EBX Module

Programmed 2018 Sierra 1500 ECM | Replaces Part #12686383 | VIN Matched

Programmed 2018 Sierra Denali 1500 ECM 12704475

2018-2020 GMC Truck Engine Computer ECM 12686383 *VIN Programmed