Cummins
Engine block for Cummins ISX SOHC
This engine block is the main structural component for the Cummins ISX SOHC engine. It serves as the foundation for housing the cylinders, crankshaft, and internal cooling and lubrication passages.
Compatible models
Specifications
- Part number
- 3690558
- Brand
- Cummins
The engine block 3690558 acts as the primary structural foundation for the Cummins ISX SOHC diesel engine. This component houses the cylinders and the crankshaft while providing the necessary internal galleries for the lubrication and cooling systems. As the main assembly point for the engine, it supports the cylinder heads and various external accessories required for machine operation.
This part is designed for the Cummins ISX SOHC engine platform. It is manufactured by Cummins and maintains the precise dimensional alignment required for the internal rotating assembly and the structural integrity of the engine block. The component ensures that the cylinders and crankshaft remain correctly positioned to manage the operational forces generated during heavy-duty use.
An engine block serves as the central housing for the reciprocating parts of an internal combustion engine. It provides the rigid framework that maintains the alignment of the crankshaft and pistons, while also containing the fluid passages that circulate oil and coolant throughout the engine assembly to regulate temperature and reduce friction.

