4939587
Lubricating Oil Pump
Cummins®

IN STOCK

Cummins®

More than 10 are currently available

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$159.95 $190.34

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

The Cummins 4939587 Lubricating Oil Pump is a critical component designed to facilitate the circulation of oil within the engine of heavy-duty trucks. Its role is significant in maintaining the operational efficiency and longevity of the engine by ensuring that all moving parts receive adequate lubrication 2.

Basic Concepts of Lubricating Oil Pumps

Lubricating oil pumps operate on the principle of circulating oil throughout an engine to minimize friction and wear between moving components. This circulation is vital for cooling, cleaning, and protecting engine parts from damage due to metal-to-metal contact 3.

Purpose of the Cummins 4939587 Lubricating Oil Pump

The Cummins 4939587 Lubricating Oil Pump is integral to the operation of a truck’s engine. It ensures that oil is consistently delivered to critical engine components, such as bearings, pistons, and camshafts. This lubrication is necessary to reduce friction, dissipate heat, and remove contaminants, thereby supporting the engine’s performance and durability 1.

Key Features

The Cummins 4939587 Lubricating Oil Pump is characterized by its robust design and the use of high-quality materials. These features contribute to its reliability and efficiency. The pump’s construction allows it to withstand the high pressures and temperatures within an engine, ensuring consistent oil flow and protection for engine components 4.

Benefits of Using the Cummins 4939587 Lubricating Oil Pump

Utilizing the Cummins 4939587 Lubricating Oil Pump can lead to enhanced engine performance, increased longevity, and greater reliability. Its efficient oil circulation helps maintain optimal engine temperature, reduces wear on components, and contributes to overall engine health 2.

Installation and Integration

Proper installation of the Cummins 4939587 Lubricating Oil Pump within a truck’s engine system requires careful attention to manufacturer guidelines. This includes ensuring the engine is clean, the oil system is free of contaminants, and all connections are secure. Integration into the engine system should be performed by qualified professionals to ensure compatibility and optimal performance 3.

Maintenance and Troubleshooting

Regular maintenance of the Cummins 4939587 Lubricating Oil Pump is crucial for its longevity and efficiency. This includes periodic checks for leaks, ensuring the pump is free of debris, and monitoring oil pressure levels. Troubleshooting common issues, such as inconsistent oil flow or unusual noises, may involve inspecting the pump for wear or damage and addressing any identified problems promptly 1.

Performance and Efficiency

The performance and efficiency of the Cummins 4939587 Lubricating Oil Pump directly impact engine operation and fuel economy. Efficient oil circulation reduces friction and heat, allowing the engine to operate more smoothly and potentially improving fuel efficiency. Regular maintenance and proper installation contribute to the pump’s performance and the engine’s overall efficiency 4.

Safety Considerations

When using and maintaining the Cummins 4939587 Lubricating Oil Pump, it is important to observe safety protocols. This includes wearing appropriate personal protective equipment, ensuring the engine is off and cool before performing maintenance, and following all manufacturer safety guidelines to prevent accidents or injuries 2.

Environmental Impact

The production, use, and disposal of the Cummins 4939587 Lubricating Oil Pump have environmental considerations. Efforts to minimize its ecological footprint include using recyclable materials in its construction and ensuring that disposal practices comply with environmental regulations. Additionally, the pump’s efficient operation contributes to reduced fuel consumption and lower emissions from the engine 3.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and a commitment to sustainability, Cummins has established a reputation for quality and reliability in the automotive industry. The company’s mission is to make people’s lives better by powering a more prosperous world.

Cummins Lubricating Oil Pump Part 4939587 Compatibility

The Cummins lubricating oil pump part number 4939587 is designed to be compatible with a variety of Cummins engine models. Below is a detailed description of the engines with which this part is compatible:

B Series Engines

  • B5.6 CM2670 B152B
  • B5.9 CM2670 B166C
  • B5.9 GAS PLUS CM556

These B series engines are typically used in a range of applications, from industrial to marine, and the lubricating oil pump part 4939587 ensures efficient oil circulation, maintaining optimal engine performance.

G Series Engines

  • G5.9
  • G5.9 CM558

The G series engines are known for their robust design and are often used in heavy-duty applications. The part 4939587 is engineered to provide reliable oil flow, crucial for the longevity and efficiency of these engines.

ISB Series Engines

  • ISB CM550
  • ISB5.9 CM2880 B110
  • ISB5.9 CM2880 B127
  • ISB5.9 CM2880 B140
  • ISB5.9 CM2880 B149
  • ISB5.9G CM2180

The ISB series engines are widely used in various sectors, including construction, agriculture, and transportation. The lubricating oil pump part 4939587 is compatible with these engines, ensuring that they receive the necessary lubrication for smooth operation.

QSB Series Engines

  • QSB5.9 30 CM550
  • QSB5.9 44 CM550
  • QSB5.9 CM2880 B115
  • QSB5.9 CM2880 B139
  • QSB5.9G

The QSB series engines are designed for both industrial and agricultural applications. The part 4939587 is engineered to fit these engines, providing essential lubrication that helps in maintaining engine health and performance.

This compatibility ensures that users of these engines can confidently use the Cummins lubricating oil pump part 4939587, knowing it is designed to work seamlessly with their specific engine models.

Role of Part 4939587 Lubricating Oil Pump in Engine Systems

The 4939587 Lubricating Oil Pump is an integral component in various engine configurations, ensuring the consistent circulation of oil to vital engine parts. In the Block 6-B Short, Block Short, and Block configurations, this pump facilitates the delivery of oil to the Cylinder Block and Cylinder Block Kit, maintaining optimal lubrication for the moving parts within these assemblies.

In the Short Euro1 and Short 6-B Block setups, the pump’s role is to provide a steady oil flow that reduces friction and wear on the engine’s internal components. This is particularly important in the Short Block arrangement, where the pump ensures that all critical areas, including the crankshaft, camshaft, and pistons, receive adequate lubrication.

For the Long Block configuration, the 4939587 pump is essential in supporting the more complex and extended engine structure. It guarantees that oil reaches even the farthest components, preserving the engine’s efficiency and longevity. In the Short Block 6-BT, the pump’s reliable performance is key to maintaining the balance between power output and engine health.

Overall, the 4939587 Lubricating Oil Pump plays a significant role in enhancing the performance and durability of these engine systems by ensuring consistent and effective oil distribution 4.

Conclusion

The Cummins 4939587 Lubricating Oil Pump is a vital component in the maintenance and operation of heavy-duty truck engines. Its robust design, compatibility with various Cummins engine models, and efficient oil circulation contribute to enhanced engine performance, longevity, and reliability. Proper installation, regular maintenance, and adherence to safety protocols are essential for maximizing the benefits of this part. Additionally, the environmental impact of its production and use is minimized through sustainable practices and efficient operation.


  1. Gillespie, Thomas D. Fundamentals of Vehicle Dynamics. SAE International, 2021.

  2. Nunney, MJ. Light and Heavy Vehicle Technology, Fourth Edition. Butterworth-Heinemann, 2007.

  3. Stone, Richard. Introduction to Internal Combustion Engines, Fourth Edition. Macmillan, 2012.

  4. Xin, Qianfan. Diesel Engine System Design. Woodhead Publishing Limited, 2011.

SPECIFICATIONS

Package Dimensions
15.8 x 12.8 x 11.0 in
Weight
2.21 lbs
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.