4982155
Lubricating Oil Pump Shaft
Cummins®

The Cummins 4982155 Lubricating Oil Pump Shaft is a component designed for use in heavy-duty truck engines. Its purpose is to facilitate the circulation of lubricating oil throughout the engine, ensuring that all moving parts receive adequate lubrication. This component plays a role in maintaining engine efficiency and longevity by reducing friction and wear on engine components ¹.

Function and Operation

The Lubricating Oil Pump Shaft operates within the oil pump assembly, where it engages with various mechanisms to circulate oil. As the shaft rotates, it drives the oil pump, which draws oil from the sump and pressurizes it before distributing it to various engine parts. This process ensures that bearings, pistons, and other components receive a continuous supply of lubricant, which is vital for their operation and durability ².

Key Features

The Cummins 4982155 Lubricating Oil Pump Shaft is engineered with specific design and material characteristics to enhance its performance and durability. It is typically made from high-strength materials that can withstand the rigors of heavy-duty engine operation. The shaft’s design may include precision machining and balanced construction to ensure smooth operation and minimize wear. Additionally, it may feature specific coatings or treatments to improve resistance to corrosion and wear ³.

Benefits

The use of the Cummins 4982155 Lubricating Oil Pump Shaft offers several advantages. It contributes to improved engine lubrication, which can lead to reduced wear on engine components. Enhanced lubrication also supports overall engine performance by maintaining optimal operating conditions. Furthermore, the durability of the shaft helps in reducing the frequency of maintenance and replacement, contributing to lower operational costs ⁴.

Installation and Compatibility

Proper installation of the Cummins 4982155 Lubricating Oil Pump Shaft is crucial for ensuring optimal performance. Installation procedures should follow manufacturer guidelines to ensure that the shaft is correctly aligned and secured within the oil pump assembly. It is important to verify compatibility with the specific engine model to ensure that the shaft meets the required specifications and fits properly within the engine’s oil pump system.

Maintenance and Troubleshooting

Routine maintenance practices are recommended to ensure the longevity and efficiency of the Cummins 4982155 Lubricating Oil Pump Shaft. Regular inspection for signs of wear or damage, as well as ensuring that the oil pump system is free from contaminants, can help maintain optimal performance. Troubleshooting common issues, such as oil pressure fluctuations or unusual noises, may involve checking the shaft for proper alignment and condition, as well as inspecting related components for wear or damage.

Common Failure Modes

Typical failure modes associated with the Cummins 4982155 Lubricating Oil Pump Shaft can include wear, misalignment, or damage due to contamination within the oil system. Preventive measures to mitigate these issues include regular maintenance, using high-quality lubricants, and ensuring that the oil system is clean and free from debris. Addressing these factors can help extend the service life of the shaft and maintain engine performance.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a reputation for quality and innovation in the automotive industry, particularly in the realm of heavy-duty truck components. The company’s product offerings include a wide range of engines and components designed to meet the demanding requirements of commercial and industrial applications.

Cummins Lubricating Oil Pump Shaft (Part 4982155) Compatibility

The Cummins Lubricating Oil Pump Shaft, identified by the part number 4982155, is a component in the engine’s lubrication system. This part ensures that oil is effectively circulated throughout the engine, maintaining proper lubrication and reducing wear on engine components.

B3.3 Engine Series

The 4982155 Lubricating Oil Pump Shaft is specifically designed to fit seamlessly within the B3.3 engine series. This series includes various models that share common design principles and specifications, ensuring that the oil pump shaft integrates smoothly with the engine’s architecture. The compatibility of this part with the B3.3 engines underscores its importance in maintaining engine performance and longevity.

Grouping of Compatible Engines

The 4982155 part number is not limited to a single engine model but is compatible with a range of engines within the B3.3 series. This grouping ensures that the oil pump shaft can be used across multiple engine variants, providing a standardized solution for maintaining engine health. The design and specifications of the 4982155 part are meticulously crafted to meet the demands of these engines, ensuring optimal performance and reliability.

Role of Part 4982155 Lubricating Oil Pump Shaft in Engine Systems

The lubricating oil pump shaft, identified by part number 4982155, is integral to the efficient operation of various engine systems. It is a key component within the lubrication system, ensuring that oil is circulated effectively to minimize friction and wear between moving parts.

In the context of the block, the lubricating oil pump shaft facilitates the delivery of oil to critical areas such as the crankshaft and camshaft bearings. This ensures that these components operate smoothly and maintain their integrity over time.

Within the cylinder assembly, the shaft’s role is to support the oil pump, which draws oil from the sump and pressurizes it before distribution. Proper lubrication is essential for the piston rings, cylinder walls, and other internal components, reducing heat generation and potential damage.

The cylinder block relies on the lubricating oil pump shaft to maintain a consistent oil flow. This is particularly important for the main and rod bearings, which support the crankshaft and connecting rods. Effective lubrication here prevents metal-to-metal contact, which could lead to premature wear or failure.

In a long block configuration, which includes the cylinder block, crankshaft, pistons, and other essential components, the lubricating oil pump shaft ensures that all these parts receive adequate lubrication. This is vital for the longevity and performance of the engine, as it helps in dissipating heat and reducing friction across the entire assembly.

Overall, the lubricating oil pump shaft (part 4982155) plays a role in maintaining the health and efficiency of the engine by ensuring that all moving parts are properly lubricated.

Conclusion

The Cummins 4982155 Lubricating Oil Pump Shaft is a critical component in the lubrication system of heavy-duty truck engines. Its proper function ensures that all moving parts receive adequate lubrication, reducing friction and wear, and contributing to the overall efficiency and longevity of the engine. Regular maintenance and proper installation are essential to maximize the benefits of this component.