BODY DESIGNATIONS - CARS
| Body Designation (1) | Model |
| "A" Body | Century, Cutlass Ciera & Cutlass Cruiser |
| "B" Body | Caprice, Impala SS & Roadmaster |
| "C" Body | DeVille, Ninety Eight & Park Avenue |
| "D" Body | Fleetwood |
| "E" Body | Eldorado |
| "F" Body | Camaro & Firebird |
| "H" Body | Bonneville, Eighty Eight & LeSabre |
| "J" Body | Cavalier & Sunbird |
| "K" Body | Seville |
| "L" Body | Beretta & Corsica |
| "N" Body | Achieva, Grand Am & Skylark |
| "W" Body | Cutlass Supreme, Grand Prix, Lumina & Regal |
| "Y" Body | Corvette |
| "Z" Body | Saturn |
| (1) Body codes determined by fourth character of VIN code. |
| (1) | Body codes determined by fourth character of VIN code. |
BODY DESIGNATIONS - LIGHT TRUCKS & VANS
| Model | (1) Designation |
| Astro & Safari |
| 2WD | "M" Series |
| 4WD | "L" Series |
| Blazer, Pickup, Sierra, Suburban & Yukon |
| 2WD | "C" Series |
| 4WD | "K" Series |
| Lumina APV, Silhouette & Trans Sport | "U" Series |
| Blazer, Bravada, Jimmy, Pickup & Sonoma |
| 2WD | "S" Series |
| 4WD | "T" Series |
| Commercial Van & Chassis | "P" Series |
| Van | "G" Series |
| (1) Series codes determined by fifth character of VIN code |
| (1) | Series codes determined by fifth character of VIN code |
BODY DESIGNATIONS - LIGHT TRUCKS & VANS
SHAFT SEAL
Information is not available from manufacturer.