Mercedes-Benz
Engine overhaul kit for Mercedes-Benz
This engine overhaul kit includes pistons, cylinder liners, rings, bearings, and a gasket set for Mercedes-Benz engines. It is designed to facilitate major maintenance and restoration of engine compression and output.
Specifications
- Part number
- 40666960
- Brand
- Mercedes-Benz
The engine overhaul kit 40666960 serves as a comprehensive set of components for the maintenance and rebuilding of Mercedes-Benz engines. This assembly includes pistons, cylinder liners, piston rings, connecting rod bearings, main bearings, and a complete gasket set. These components work together to restore the internal sealing and mechanical integrity of the engine block and cylinder head assembly. By replacing these parts, technicians can address wear in the combustion chamber and rotating assembly to restore operational efficiency.
This kit is engineered for specific Mercedes-Benz engine configurations used in heavy machinery, trucks, and buses. It ensures that all internal clearances are maintained according to manufacturer specifications during a major engine service. The inclusion of matched components allows for a consistent fit across the engine block, which is necessary for maintaining proper compression ratios and oil control during operation.
An engine overhaul kit provides the necessary internal parts to renew the primary moving components of a reciprocating engine. These kits are typically employed when an engine reaches its service interval for a top-end or full bottom-end rebuild, allowing for the replacement of friction surfaces and sealing elements to return the engine to its intended operating parameters.

