Short block for Mercedes-Benz OM402

The OM402LA short block serves as the core assembly for the Mercedes-Benz OM402 engine series. This component provides the foundational internal structure of the engine, consisting of the cylinder block, crankshaft, connecting rods, and pistons pre-assembled for installation. By providing the engine base without cylinder heads, this configuration allows maintenance teams to integrate existing cylinder heads or install new ones depending on the specific needs of the engine overhaul. This approach is typically utilized when mechanical wear or damage is isolated to the lower engine assembly while the upper components remain serviceable.

This short block is designed for compatibility with the Mercedes-Benz OM402 engine model. The assembly is manufactured according to the specifications established by Mercedes-Benz. It functions as the primary power unit housing for the engine, containing the rotating and reciprocating mass that converts combustion energy into mechanical work. The cylinder block provides the mounting points for auxiliary systems and the housing for the cylinder bores, while the crankshaft and connecting rod arrangement facilitates the conversion of piston movement into rotational output for the machine.