2 0 Mercedes-Benz OM904 Engine Control Module (ECM) for a Mercedes OM904 $400 USD Good used, cleaned and inspected Mercedes OM904 ECM. Part Number: 0004468540. 30 Day Guarantee for swap or refund if not programmable. ECM's need to be programmed for your application. ConditionUsedFits To Make(s)MERCEDESFits To Model(s)OM904Part Number0004468540Stock NumberRyd 0004468540 MLS Number13741363CategoryEngine Control Modules (ECM) Last Updated8/5/2025 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info