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Discussion Starter #1
Hi there.

Has anyone found out about the LBZ VIN? You know 8th digit being a (possible) 3?

Thanks.
 
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The 2001-2004.5 model year Duramax is an LB7, and the vehicle will have a number 1 (one) as the eighth digit of the VIN.

The 2004.5- 2006.5 model year Duramax is an LLY, and the vehicle will have a number 2 (number two) as the eighth digit of the VIN.

The 2006.5-2007 model year Duramax is an LBZ, and the vehicle will have a letter D as the eighth digit of the VIN.

The 2007.5 model year Duramax is an LMM, and the vehicle will have a number 6 (six) as the eighth digit of the VIN.
 
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