Engine Control Modules
Engine computers identified by GM service number.
Check inventoryGM electronics, identified right
Quality used GM electronic modules sourced with a technician's eye—clearly identified, honestly described, and ready for you to verify against your application.
01 Technician sourced
Inventory focus
We focus on GM truck and SUV electronics, especially 2014 and newer applications. Inventory changes as quality donor modules become available.
Engine computers identified by GM service number.
Check inventoryControl units matched to application and calibration family.
Check inventoryBody electronics with clear donor-vehicle details.
Check inventoryInfotainment modules, screens, radios, and amplifiers.
Check inventoryABS, transfer-case, steering-angle, and park-assist units.
Check inventoryRCDLR, fuel-pump-control, OnStar, and other GM units.
Check inventoryFrom donor to listing
Used modules are not all equal. The label, donor information, connector condition, and programming requirements matter.
Prioritize clean, dry donor vehicles and inspect the case and connectors.
Capture the service number, donor year, model, engine, and drivetrain.
Show what is known, what was inspected, and what the buyer must verify.
Important fitment note
Many GM modules require programming, setup, security relearn, calibration, or configuration. Similar-looking modules may not interchange.
Before ordering: compare every number on your original module and confirm compatibility with a qualified technician or programming provider.
Behind the depot
GM Module Depot is being built by a GM-certified dealership technician who understands how one wrong digit can turn a repair into a headache. The goal is straightforward: make useful GM electronics easier to identify and buy with confidence.
Current inventory
Visit GM Module Depot on eBay to see what is currently available.