(2017-2022) GMC Truck-Sierra 2500 (1999 Up) 6.6L (VIN Y, 8th digit, opt L5P) 6.6L Engine - 60K-90K miles 4X4 4L Engine (2003-2005) - 120K-150K

4L Engine (2003-2005) - 120K-150K miles

3L Engine (2014) - 30K-60K miles

5L Engine (2020-2022) - 90K-120K miles

✔️ Cylinder Heads

5L Engine (2016) - 60K-90K miles

(2017-2022) GMC Truck-Sierra 2500 (1999 Up) 6.6L (VIN Y, 8th digit, opt L5P) 6.6L Engine - 60K-90K miles 4X4 4L Engine (2003-2005) - 120K-150KGMC Truck Sierra 2500 (1999 Up) 6. 6L (VIN Y, 8th digit, opt L5P) 6. 6L Engine (2017 2022) 60K 90K miles This used OEM engine is listed as its own product for the 60K 90K 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,