2015 PACCAR PX-7, Truck Delivery, Engine Assys, Fits to: Peterbilt 337, (USED) 2014 Paccar PX-7, Complete Engine Assembly. S/N-73642585 P/N-ECEXH0408BAP HP-260 CPL-3610 ECS-EGR, PTOX, SCRC Model-ISB6.7/260 For more information about this item call. We ship Worldwide. 929 W Pulaski Hwy Elkton, MD 21921, Horse Power 260, Serial# 73642585, Casting# 73642585 2NP2HM6X2FM262264