2006-2007 6.6L LBZ Duramax Parts

In 2006, Chevy created the LBZ Duramax engine featuring an upgraded computer system compared to the 2004.5 to 2005 LLY engine. This upgrade enables the injectors to fire off five bursts of fuel during each combustion cycle. Not only does this improve performance, but it was a necessary software upgrade to meet the updated emission standards of 2007. +Read more

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