GM numbering
GM uses a flat eight-digit part number with no letters and no readable group structure. Like Volvo's and Fiat's, it tells you nothing on its own, so navigating to the correct assembly group and reading the number from the parts list is the whole method — reasoning about a GM number in isolation is not productive.
GM has also run several numbering generations over the decades, and older parts appear under formats the current system has since mapped forward. The catalog carries those chains; a frozen offline copy stops carrying them the day its updates end.
Two Chevrolets
Chevrolet is effectively two ranges. In North America it is Silverado, Tahoe, Suburban, Equinox, Traverse, Malibu, Camaro and Corvette. Internationally it has sold Aveo, Cruze, Captiva, Spark and Trax, several of them built on Daewoo-derived architecture with parts lists that share little with the American trucks.
Model names cross between the two ranges without the vehicles being the same, which is why identification here has to start at the VIN rather than the badge or the name.
Trucks are where the variants live
Silverado and its siblings split by cab configuration, bed length, drivetrain, axle ratio, gross weight rating and trim package, all inside one model year, and each of those moves real parts: brake lines, propshafts, exhaust sections, springs and dampers.
The VIN carries all of it. Enter it and the catalog filters to the configuration in front of you before the first diagram opens.
Common Chevrolet nameplates
These nameplates help you find the right vehicle family. Confirm the exact model, market and production period against the active catalog before quoting a part:
| Model | Production years |
|---|---|
| Chevrolet Silverado | — |
| Chevrolet Cruze | — |
| Chevrolet Spark | — |
| Chevrolet Tahoe | — |
| Chevrolet Onix | — |
| Chevrolet Equinox | — |
Frequently asked questions
Does Chevrolet share a catalog with Buick and GMC?
Yes. Chevrolet, Buick, GMC and Cadillac are published through the same General Motors catalog and, on shared platforms, share part numbers.
How is a GM part number structured?
Eight digits, no letters, no readable assembly-group block. The exploded diagram rather than the number identifies the component.
Are international Chevrolets covered?
Yes — Aveo, Cruze, Captiva, Spark and Trax resolve alongside the North American range. The VIN decides which programme the vehicle belongs to.