Engine overhaul kit for Mercedes-Benz OM441

This engine overhaul kit, identified by part number A4420300517, serves as a comprehensive set of internal components for the reconstruction of the Mercedes-Benz OM441 engine. The kit typically includes pistons, piston rings, cylinder liners, connecting rod and main bearings, along with a complete set of gaskets and seals. These components are used to address internal wear or damage, effectively restoring the engine to its original operating parameters.

The kit is specifically engineered for the Mercedes-Benz OM441 engine, which is utilized in various heavy-duty applications including trucks, buses, and industrial machinery such as cranes. This assembly is produced by Mercedes-Benz to ensure precise fitment and compatibility with the internal dimensions of the OM441 block. By replacing these key components, maintenance teams can restore proper compression, manage oil consumption, and optimize combustion efficiency within the engine assembly.

An overhaul kit of this type functions by renewing the primary moving parts and sealing surfaces within the cylinder block. This process is standard practice for major engine maintenance, allowing for the restoration of mechanical tolerances that have been affected by operational hours. Using a complete kit ensures that all mating components are replaced simultaneously, which is necessary for maintaining consistent engine operation.