2015 PACCAR PX-7, Truck Delivery, ECMs, Fits to: Peterbilt 337, (Used) 2015 Peterbilt 337, ENGINE CONTROL MODULE, Make: PACCAR, Engine Model: PX-7, Horsepower:260, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS), Serial# 73642585, Casting# 73642585, Truck Year 2015 2NP2HM6X2FM262264