2006 Mercedes OM904LA, Truck Delivery, ECMs, Fits to: Freightliner MT55 Chassis, (Used) 2006 Mercedes OM904LA, ECM- Serial Number: 0904559507, Family Number: 6MBXH4.25DJA, Horsepower: 170, Engine: P-30529, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921, Serial# 0904559507, Casting# 0904559507, Truck Year 2006 4uzaarcp06cx31853