Mercedes-Benz
Engine block for Mercedes-Benz
This engine block serves as the foundational structure and primary support for the Mercedes-Benz engine assembly. It houses the cylinders and provides the necessary internal channels for coolant and oil circulation.
Specifications
- Part number
- 642990
- Brand
- Mercedes-Benz
The engine block, identified by part number 642990, acts as the core structural component of the Mercedes-Benz power unit. It provides the housing for the cylinders where the pistons operate and contains the integrated passages for the engine lubrication and cooling systems. The component maintains the precise alignment of internal rotating and reciprocating parts, including the crankshaft, connecting rods, and pistons, ensuring the mechanical integrity of the engine assembly during operation.
This engine block is manufactured by Mercedes-Benz to meet the specific dimensional requirements of the engine. It is designed to manage the mechanical loads and thermal stresses generated within the combustion chambers. Proper installation and maintenance of this block are necessary to ensure the correct geometry of the cylinder bores and the surrounding support structure for the engine sub-assemblies.
In heavy machinery and industrial crane applications, the engine block provides the mounting points and rigidity required for the entire power plant. It serves as the base for the cylinder head and the oil pan, effectively sealing the combustion process while facilitating the transfer of heat away from the cylinders through the integrated cooling galleries.

