For 1990-2009 cars

Table 1: | VIN Derivative
Table 2: | VIN Positions

All engines and transmissions are stamped or laser etched with a partial vehicle identification number (VIN), which was derived from the complete VIN. A VIN derivative contains the following nine positions:

#### VIN Derivative

Position | Definition | Character | Description
--- | --- | --- | ---
1 | GM Division Identifier | Z | Saturn
2 | Model Year | 3 | 2003
3 | Assembly Plant | Y | Wilmington, DE
4-9 | Plant Sequence Number | -- | --

A VIN derivative can be used to determine if a vehicle contains the original engine or transmission, by matching the VIN derivative positions to their accompanying positions in the complete VIN:

#### VIN Positions

VIN Derivative Position | Equivalent VIN Position
--- | ---
1 | 3
2 | 10
3 | 11
4-9 | 12-17