(2004-2006) GMC Truck-Sierra 3500 (2001 Up) 8.1L (VIN G, 8th digit) 8.1L Engine - 120K-150K miles Used OEM Part 4L Engine (2002-2003) - 30K-60K

4L Engine (2002-2003) - 30K-60K miles

3L Engine (2005-2006) - 90K-120K miles

VIN F (5Th Digit

0L Engine (2011-2015) - 60K-90K miles

5L Engine (2017-2019) - <30K miles

(2004-2006) GMC Truck-Sierra 3500 (2001 Up) 8.1L (VIN G, 8th digit) 8.1L Engine - 120K-150K miles Used OEM Part 4L Engine (2002-2003) - 30K-60KGMC Truck Sierra 3500 (2001 Up) 8. 1L (VIN G, 8th digit) 8. 1L Engine (2004 2006) 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, drivetrain, VIN notes,