(2001-2004) GMC Truck-Sierra 2500 (1999 Up) 6.6L turbo diesel (VIN 1, 8th digit), California 6.6L Engine - 120K-150K miles 3.0 3L Engine (2001-2002) - 120K-150K

3L Engine (2001-2002) - 120K-150K miles

7L Engine (2004-2005) - 90K-120K miles

4L Engine (2007-2008) - 30K-60K miles

5L Engine (2017-2018) - 60K-90K miles

(2001-2004) GMC Truck-Sierra 2500 (1999 Up) 6.6L turbo diesel (VIN 1, 8th digit), California 6.6L Engine - 120K-150K miles 3.0 3L Engine (2001-2002) - 120K-150KGMC Truck Sierra 2500 (1999 Up) 6. 6L turbo diesel (VIN 1, 8th digit), California 6. 6L Engine (2001 2004) 120K 150K miles This used OEM engine is listed as its own product for the 120K 150K 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,