GM Service Manual Online
For 1990-2009 cars only

Engine Identification 5.3L


Object Number: 1648784  Size: SH

The vehicle identification number (VIN) is located on the left side rear of the engine block (1) and is typically a 9 digit number stamped or laser-etched onto the engine at the vehicle assembly plant.

    • The first digit identifies the division.
    • The second digit identifies the model year.
    • The third digit identifies the assembly plant.
    • The fourth through ninth digits are the last 6 digits of the VIN.