Catalogue !new! Free | Gm Global Epc Electronic Parts
This database is actually more accurate than the public GM portal, as it is geared toward actual repair technicians. The diagrams are pulled directly from the Global EPC. You can use this indefinitely without an account, though you will be pestered to "register a shop."
The is a proprietary dealer-level software used to identify genuine General Motors parts by VIN (Vehicle Identification Number), model, or group. There is no official, fully functional "free" version of the GM Global EPC. Access is subscription-based, typically costing dealers and repair shops hundreds to thousands of dollars annually. However, several legitimate free or low-cost alternatives exist for part number lookups, diagrams, and cross-referencing. gm global epc electronic parts catalogue free