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Mercedes-Benz

Piston for Mercedes-Benz OM445

P/N A4420302017

This piston is designed for use in Mercedes-Benz OM445 and OM446 engines found in industrial cranes and heavy machinery. It is identified by part number A4420302017.

Compatible models

Specifications

Part number
A4420302017
Brand
Mercedes-Benz

The piston functions as the primary moving component within the engine cylinder, converting the energy generated by combustion into linear mechanical movement. It travels within the cylinder bore to compress the air-fuel mixture and receives the force of the explosion, which is then transmitted to the crankshaft via the connecting rod. This component maintains the necessary seal within the cylinder to ensure proper compression and prevents the passage of combustion gases or oil between the combustion chamber and the crankcase.

This component is compatible with Mercedes-Benz OM445 and OM446 engine models. It is engineered to meet the specific dimensional and operational requirements of these engine series, ensuring correct fitment and function during engine maintenance or overhaul procedures. Proper installation of this part is necessary for the engine to maintain its intended compression ratios and operational efficiency.

In heavy machinery engines, pistons are subject to continuous cycles of high pressure and thermal loading. They work in conjunction with piston rings to manage heat transfer from the combustion chamber to the cylinder walls and to maintain a tight seal against the cylinder liner throughout the entire stroke of the engine.