2019-2023 GM ECM ECU Engine Computer OEM 12711867 Fits Silverado Sierra Express Savana Gasoline

🔧 Part #: 590-10781
📦 Stock #: ORTH

Genuine OEM Engine Control Module (ECM/ECU) removed from a compatible General Motors gasoline-powered vehicle. This factory engine computer has been inspected and tested prior to removal to ensure proper functionality. It is an original GM OEM component and is ready for installation.

Vehicle Fitment

Chevrolet Express

• 2021-2022 Express 2500 Van – 4.3L (LH Rear Engine Compartment)
• 2021-2022 Express 2500 Van – 6.6L (LH Rear Engine Compartment)
• 2023 Express 2500 Van – LH Rear Engine Compartment
• 2021-2022 Express 3500 Van – 4.3L (LH Rear Engine Compartment)
• 2021-2022 Express 3500 Van – 6.6L (LH Rear Engine Compartment)
• 2023 Express 3500 Van – LH Rear Engine Compartment

GMC Savana

• 2021-2022 Savana 2500 Van – 4.3L (LH Rear Engine Compartment)
• 2021-2022 Savana 2500 Van – 6.6L (LH Rear Engine Compartment)
• 2023 Savana 2500 Van – LH Rear Engine Compartment
• 2021-2022 Savana 3500 Van – 4.3L (LH Rear Engine Compartment)
• 2021-2022 Savana 3500 Van – 6.6L (LH Rear Engine Compartment)
• 2023 Savana 3500 Van – LH Rear Engine Compartment

Chevrolet Silverado

• 2019 Silverado 1500 (New Body Style) – 4.3L
• 2020-2021 Silverado 1500 – 4.3L
• 2021 Silverado 1500 – 5.3L, ID 12711867
• 2021 Silverado 1500 – 6.2L, ID 12711867
• 2020-2021 Silverado 2500HD – Gasoline
• 2020-2021 Silverado 3500HD – Gasoline

GMC Sierra

• 2019 Sierra 1500 (New Body Style) – 4.3L
• 2020-2021 Sierra 1500 – 4.3L
• 2021 Sierra 1500 – 5.3L, ID 12711867
• 2021 Sierra 1500 – 6.2L, ID 12711867
• 2020-2021 Sierra 2500HD – Gasoline
• 2020-2022 Sierra 3500HD – Gasoline
• 2021 Sierra Denali 1500 – Gasoline, ID 12711867
• 2020-2022 Sierra Denali 2500HD – Gasoline
• 2020-2022 Sierra Denali 3500HD – Gasoline

OEM Part Number

• 12711867

Compatible / Interchange ID Numbers

• 12692986
• 12701222
• 12703686
• 12711867

Features

• Genuine GM OEM Engine Control Module
• Factory tested and inspected before removal
• Clean and ready for installation
• Direct OEM replacement when part numbers match
• Compatible with multiple GM gasoline-powered truck and van applications

Important Information

• Please verify your original part number matches 12711867 or one of the compatible interchange numbers before purchasing.
• This module may require programming, VIN configuration, immobilizer/security relearn, or calibration updates before installation.
• Professional installation is strongly recommended.

Package Includes

• 1 × Genuine OEM Engine Control Module (ECM/ECU) – Part #12711867

Need help confirming compatibility? Send us your VIN and original part number, and we'll be happy to verify fitment before you purchase.