Duramax Fuel Injectors, CP3 Injection Pumps & Turbos
The Duramax engine is a joint venutre of GM & Isuzu.
LB7 (VIN "1") Engine was installed from 2001-2004.
LLY (VIN "2") Engine was installed from 2004-2005.
LBZ (VIN "D") Engine was installed from 2006-2007.
LMM (VIN "6") Engine was installed from 2007-2011.
LML (VIN "8") Engine was Installed from 2011 to current.