Mercedes-Benz
Engine block for Mercedes-Benz OM352
This engine block serves as the structural foundation for the Mercedes-Benz OM352 engine assembly. It provides the necessary housing for cylinders, the crankshaft, pistons, and cylinder heads.
Compatible models
Specifications
- Part number
- OM403/4
- Brand
- Mercedes-Benz
The engine block OM403/4 acts as the primary structural component for the Mercedes-Benz OM352 engine. It serves as the central housing that supports the internal rotating and reciprocating assemblies, including the crankshaft, pistons, and connecting rods. The component also features integrated internal galleries that facilitate the circulation of lubricating oil and engine coolant throughout the system, ensuring proper thermal management and lubrication during operation. By maintaining the precise alignment of the cylinder bores and main bearing journals, this block ensures the mechanical integrity of the engine assembly.
This component is compatible with the Mercedes-Benz OM352 engine model. It is designed to accommodate the specific mounting points and fluid passages required for this engine configuration. The block provides the necessary rigidity to support the cylinder heads and external accessories, forming the core of the power unit used in various industrial machines and cranes. Proper installation of this block is required to restore the structural alignment of the engine during a complete rebuild or overhaul process.
An engine block functions as the main chassis for an internal combustion engine, housing the cylinders where combustion occurs. It must maintain dimensional stability under varying thermal loads to ensure the longevity of the internal moving parts.

