Fuel Injector 0432131782 A0030178821 for Mercedes-Benz Engine OM 449 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: 0432131782, 30178821, 0 432 131 782, A0030178821 Specification: Matching DLLA138P563 Nozzle Fit For Mercedes-Benz Engine: OM 449