Engine overhaul kit for Mercedes-Benz OM421

The engine overhaul kit, part number A4230301137, provides the necessary components for the maintenance or complete rebuild of the Mercedes-Benz OM421 engine. This assembly typically includes pistons, cylinder liners, piston rings, connecting rod and main bearings, as well as a comprehensive set of gaskets and seals required for internal engine restoration.

This kit is specifically engineered for the Mercedes-Benz OM421 engine, which is utilized in various heavy-duty trucks and industrial machinery applications. Using this kit allows technicians to replace critical wear components to ensure the engine meets its original design specifications for compression, oil consumption, and fuel efficiency.

An engine overhaul kit serves to replace the primary moving parts within the cylinder block and head assembly. By renewing these components, the kit helps maintain the mechanical integrity of the engine, ensuring that internal clearances and sealing surfaces are restored to the dimensions required for proper operation.