Fuel Injector 0010171721 0432231873 for Mercedes-Benz Engine OM 401 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: 0010171721, 0432231873, 0 432 231 873, 0 010 171 721 Fit For Mercedes-Benz Engine: OM 401 Specification: Matching DLLA144S485 Nozzle