GM Service Manual Online
For 1990-2009 cars only

Object Number: 522568  Size: SH

The Vehicle Identification Number (VIN) Derivative is located on the right front side of the engine block (1) and is a nine digit number stamped or laser etched onto the engine at the vehicle assembly plant. If reading the identification number the following information can be obtained:

    • The first digit identifies the vehicle division.
    • The second digit is the model year.
    • The third digit identifies the assembly plant.
    • The fourth through ninth digits are the last six digits of the Vehicle Identification Number (VIN).

Engine Verification

The engine verification label is placed in two locations on the right side of the engine.


Object Number: 522573  Size: SH

The engine front cover has an engine verification label (1) and the front of the right camshaft cover has a traceability label (2).


Object Number: 522577  Size: SH

The rear of the right camshaft cover has an engine verification label (1).