GM Service Manual Online
For 1990-2009 cars only

Engine ID and VIN Derivative Location 4.2L L6


Object Number: 853344  Size: MF
(1)Transmission ID Location
(2)Engine ID Location
(3)The first digit identifies the engine build location - All first digits will be a V, this engine is only being built at Flint Engine South
(4)The second digit identifies the build year
(5)The third and fourth digits identify the build month
(6)The fifth and sixth digits identify the build date
(7)The seventh through tenth digits identify the engine build sequence

Object Number: 260136  Size: SH

The vehicle identification number (VIN) is located on the left side rear of the engine block (1) and is typically a nine 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 six digits of the VIN.