Duramax 6.6L Inj Return Line Kit LLY, LBZ, LMM (SKU: DT660023)

This durable and reliable Duramax 6.6L Inj Return Line Kit is specifically designed for the LLY, LBZ, and LMM engines. It is constructed from heavy-duty material and is engineered to ensure a perfect fit. Get the job done right the first time with this high-quality, easy-to-install line kit.

Cross-reference part numbers: 26410, 274840, 660023, 7004, 7-004, 904122, 904-122, 904123, 904-123, DIPDT660023, DIPRTF26410, DT660023, ISK637, KIT105, RTF26410, SK115