Fuel Injector 0020174321 0432231759 for Mercedes-Benz Engine OM 442 A Truck Condition: New Aftermarket Part Note: We recommend replacing the entire set of fuel injectors to ensure the engine's optimal performance. Due to differences in oil output and atomization concentration between and aftermarket parts, they should not be mixed. Replacing the entire set of injectors helps avoid potential issues.Replacement Part Number: 0020174321, 0432231759, 0 432 231 759 Fit For Mercedes-Benz Engine: OM 442 AA pplications:Fit For Mercedes-Benz Truck Specification:Matching DLLA131S1035 Nozzle