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Re: 2007 LBZ Duramax Fuel Dilution
Posted to HD/Fleet Forum on 1/16/2021

Is this the new body style or classic body style? This is important because in 2007 you can have the LBZ (classic body) and no DPF. The new body style is an LMM and it has a DPF. The thread says LBZ but the message says LLY. We need to know what engine you act... Login to read more.