LB7, LLY, or LBZ

[RipCord]

what is the difference? my truck 05 sierra 3500 dually came with an lly what is it?/ thanks to all

[jbplock]

Ripcord,

The LLY is the second generation Duramax ...

The following articles tell the whole story ...

http://www.thedieselpage.com/duramax/lly2004.htm

http://www.thedieselpage.com/duramax/2007Duramax.htm

http://www.thedieselpage.com/duramax/durafaq.htm

http://www.thedieselpage.com/duramax6600.htm

:)

[RipCord]

perfect thank you !!!!