Description
Diesel, Duramax engine; LB7 – LLY
2001-2006 Chevrolet Silverado
2003-2006 Chevrolet Kodiak C4500/C5500 Series
2001-2006 GMC Sierra
2003-2006 GMC Topkick C4500/C5500 Series
Supply your VIN code when ordering.
DURAMAX VIN CHART
| Model Year(s) | 8th Digit of VIN | Duramax Model & Notes |
| 2001 – 2004 | 1 | LB7 |
| 2 | LLY (introduced midyear 2004) | |
| 2005 | 2 | LLY (only engine offered for 2005) |
| 2006 | 2 | LLY (2006 version, different from 2005 version) |
| D | LBZ (introduced late 2006) | |
| 2007 | D | LBZ |
| 6 | LMM | |
| 2008 – 2010 | 6 | LMM (only Duramax offered during these years) |
| 2011 – 2016 | 8 | LML |
| L | LGH | |
| 2017 | Y | L5P |
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