2019 PACCAR PX-9, Truck Delivery, Engine Assys, Fits to: Peterbilt 337, (Used) 2018 PACCAR PX- 9, ENGINE ASSEMBLY- Family Number: JCEXH0540LAX, Displacement: 8.9L, Horsepower: 350, Ar.No./CPL: 4759, Serial Number: 74420068, Part Number: E6HL363WDE3F3A3032, ECS: EGR, PTOX, SCRC, Reference images for condition, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921, Horse Power 350, Serial# 74420068, Casting# 74420068 2NP2HJ7X0KM632182