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Cummins

Lubricating oil pump drive shaft for Cummins

P/N AR12386

This lubricating oil pump drive shaft transmits rotational power from the engine to the oil pump. It is compatible with various Cummins engine applications.

Specifications

Part number
AR12386
Brand
Cummins

The lubricating oil pump drive shaft AR12386 serves as a mechanical link within the engine lubrication system. It transmits rotational motion and power from the engine crankshaft or camshaft directly to the oil pump, ensuring the pump maintains the necessary pressure to circulate oil to moving engine components. This continuous operation facilitates friction reduction and heat dissipation throughout the engine assembly.

This component is engineered for use in Cummins engines found in heavy machinery, industrial equipment, and power generation units. The drive shaft features specific splines or keyways designed to provide a secure mechanical coupling between the engine drive source and the pump rotor or gear assembly. Proper alignment and structural integrity of this shaft are required to manage the constant torsional loads experienced during engine operation.

In any internal combustion engine, the drive shaft maintains the oil flow required for the protection of bearings and contact surfaces. If the shaft fails to transmit power, the oil pump ceases operation, leading to a loss of lubrication pressure. Regular inspection of the drive shaft during engine maintenance cycles helps ensure the continued functionality of the oil delivery system.