For 1990-2009 cars

Table 1: | VIN Derivative Table

All engines and transmissions are stamped with a partial Vehicle Identification Number (VIN). A VIN derivative may be used in order 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. The following table identifies the different VIN derivative characters, the equivalent VIN positions, the character positions and their respective definitions.

#### VIN Derivative Table

VIN Derivative Position | Definition | Character | Description
--- | --- | --- | ---
1 | GM Division Identifier | N M H | Chevrolet Pontiac Oldsmobile
2 | Model Year | Y | 2000
3 | Assembly Plant | D | Doraville
4-9 | Plant Sequence Number | -- | 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 Derivative Position | Equivalent Position
--- | ---
1 | 3
2 | 10
3 | 11
4-9 | 12-17