Avalanche, Sierra, Silverado, C&K Series, 1999-2005

4.8L, 5.3L & 6.0L Engines

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Fig. Engine identification number-4.8L, 5.3L and 6.0L Engines

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
 

 
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