Fit For Mercedesfit For Benz Fuel Injector Nozzle. Part No.: 0433171913 Stamping No.: DLLA156P1473 Featuring proof nozzle construction, this component operates reliably even using lowgrade fuel and greatly extends the working cycle of the full fuel delivery system. By precisely responding to ECU signals and keeping the airfuel proportion balanced, it substantially lowers exhaust emissions to satisfy stringent ecofriendly standards., Manufacturer: AQYHSOTW