(2001-2004) GMC Truck-Sierra 3500 (2001 Up) 6.6L turbo diesel (VIN 1, 8th digit), Federal, opt NF4 6.6L Engine - 90K-120K miles gasoline 4L Engine (2011-2017) - 120K-150K

4L Engine (2011-2017) - 120K-150K miles

3L Used Engine (2000-2002) - 60K-90K miles

2L Used Engine (2007-2008) - 120K-150K miles

Turbo ) used engine from The Car Part

(2001-2004) GMC Truck-Sierra 3500 (2001 Up) 6.6L turbo diesel (VIN 1, 8th digit), Federal, opt NF4 6.6L Engine - 90K-120K miles gasoline 4L Engine (2011-2017) - 120K-150KGMC Truck Sierra 3500 (2001 Up) 6. 6L turbo diesel (VIN 1, 8th digit), Federal, opt NF4 6. 6L Engine (2001 2004) 90K 120K miles This used OEM engine is listed as its own product for the 90K 120K miles option, so the price shown belongs to this exact mileage selection. It is a practical replacement choice for buyers who want an OEM style part without dealer new pricing. Please verify fitment before ordering. Match the year, make, model, engine size,