4947075
Over,lub Oil Pump
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$19.95 $23.74

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 4947075 Overlub Oil Pump is a specialized component designed for use in heavy-duty truck engines. Its purpose is to ensure efficient lubrication of the engine’s moving parts, which is vital for maintaining engine health and performance. This part is integral to the operation of heavy-duty trucks, providing the necessary oil flow to critical engine components.

Function and Operation

The Overlub Oil Pump operates as part of the engine’s lubrication system. It works by drawing oil from the sump and delivering it under pressure to various engine parts, including bearings, pistons, and the crankshaft. The pump’s mechanism typically involves a rotor and gear system that creates a continuous flow of oil, ensuring that all moving parts receive adequate lubrication. This consistent oil circulation helps reduce friction and wear, contributing to the engine’s overall efficiency and longevity 1.

Purpose of the Overlub Oil Pump

The specific role of the Overlub Oil Pump in a truck’s operation is to maintain optimal lubrication within the engine. By ensuring that oil is consistently delivered to all necessary components, the pump helps protect the engine from excessive wear and damage. This lubrication is crucial for maintaining engine performance and preventing costly repairs or downtime 2.

Key Features

The Cummins 4947075 Overlub Oil Pump is designed with several key features that enhance its performance. These include a robust construction using high-quality materials to withstand the demanding conditions of heavy-duty truck engines. The pump’s design may also incorporate advanced features such as precision-machined gears and a durable housing, which contribute to its reliability and efficiency.

Benefits

The benefits of using the Overlub Oil Pump include improved engine lubrication, which leads to reduced friction and wear on engine components. This enhanced lubrication can result in increased engine durability and potentially extend the engine’s operational life. Additionally, proper lubrication contributes to overall engine efficiency, helping to maintain optimal performance under various operating conditions 3.

Installation and Compatibility

When installing the Overlub Oil Pump, it is important to follow manufacturer guidelines to ensure proper fit and function. The pump is designed to be compatible with specific Cummins engine models, and careful attention to installation details will help achieve optimal performance. Proper installation involves securing the pump in place, ensuring all connections are tight, and verifying that the oil flow is unobstructed.

Maintenance and Troubleshooting

Regular maintenance of the Overlub Oil Pump is crucial for its longevity and efficiency. This includes periodic checks for leaks, ensuring that all connections are secure, and monitoring the oil level and quality. Common issues that may arise include oil leaks or reduced oil pressure, which can often be addressed by inspecting and tightening connections or replacing worn seals. Regular maintenance helps prevent more serious problems and ensures the pump continues to operate effectively.

Performance and Efficiency

The Overlub Oil Pump plays a significant role in the overall performance and efficiency of the engine. By providing consistent and adequate lubrication, the pump helps maintain engine components in optimal condition, which can lead to smoother operation and potentially improved fuel efficiency. Data and examples from engine performance tests may illustrate the positive impact of proper lubrication on engine operation.

Safety Considerations

When working with the Overlub Oil Pump, it is important to observe safety considerations to prevent accidents and ensure safe operation. This includes handling the pump with care during installation and maintenance, using appropriate personal protective equipment, and following all manufacturer guidelines. Proper safety procedures help protect both the technician and the equipment, ensuring a safe working environment.

Cummins Corporation

Cummins Inc. is a leading manufacturer in the automotive industry, known for its high-quality engine technology and innovative solutions. The company has a long history of producing reliable and efficient engines for a variety of applications, including heavy-duty trucks. Cummins is committed to quality and continuous improvement, ensuring that its products meet the demanding needs of its customers. The Cummins 4947075 Overlub Oil Pump is a testament to the company’s dedication to providing durable and efficient engine components.

Cummins Overlub Oil Pump 4947075 Compatibility

The Cummins Overlub Oil Pump part number 4947075 is designed to fit a variety of Cummins engine models. This part is essential for maintaining proper lubrication within the engine, ensuring smooth operation and longevity. Below is a detailed description of the engines with which this oil pump is compatible.

B4.5 CM2350 Series

  • B4.5 CM2350 B129B
  • ISB4.5 CM2350 B104

These engines are part of the B4.5 CM2350 series, known for their reliability and efficiency in various applications. The Overlub Oil Pump 4947075 is specifically engineered to meet the lubrication needs of these models, ensuring optimal performance.

D4.0 CM2620 Series

  • D4.0 CM2620 D103B

The D4.0 CM2620 D103B engine is another model that benefits from the Overlub Oil Pump 4947075. This pump is designed to handle the unique lubrication requirements of the D4.0 series, providing consistent and reliable oil flow.

F3.8 CM2350 Series

  • F3.8 CM2350 F120B
  • F3.8 CM2350 F128C
  • QSF3.8 CM2350 F107

These engines are part of the F3.8 CM2350 series, and the Overlub Oil Pump 4947075 is compatible with all three models. This pump ensures that the lubrication system operates efficiently, reducing wear and tear on engine components.

F3.8 CM2620 Series

  • F3.8 CM2620 F137B

The F3.8 CM2620 F137B engine is designed for heavy-duty applications, and the Overlub Oil Pump 4947075 is a crucial component for maintaining its lubrication system. This pump is engineered to deliver the necessary oil flow to keep the engine running smoothly.

F3.8 Series

  • F3.8 F102

The F3.8 F102 engine is another model that is compatible with the Overlub Oil Pump 4947075. This pump ensures that the engine’s lubrication system functions correctly, providing the necessary oil flow to all critical components.

F4.5 CM2620 Series

  • F4.5 CM2620 F139B
  • F4.5 CM2620 F141C

These engines are part of the F4.5 CM2620 series, and the Overlub Oil Pump 4947075 is designed to fit all three models. This pump is essential for maintaining the lubrication system’s efficiency, ensuring that the engine operates at peak performance.

ISF3.8 CM2220 Series

  • ISF3.8 CM2220 AN
  • ISF3.8 CM2220 F103
  • ISF3.8 CM2350 F109

These engines are part of the ISF3.8 CM2220 and ISF3.8 CM2350 series, and the Overlub Oil Pump 4947075 is compatible with all three models. This pump ensures that the lubrication system functions correctly, providing the necessary oil flow to keep the engine running smoothly.

ISF4.5 CM2220 Series

  • ISF4.5 CM2220 F123

The ISF4.5 CM2220 F123 engine is another model that is compatible with the Overlub Oil Pump 4947075. This pump ensures that the engine’s lubrication system functions correctly, providing the necessary oil flow to all critical components.

QSF3.8 CM2350 and CM2880 Series

  • QSF3.8 CM2350 F107
  • QSF3.8 CM2880 F112

These engines are part of the QSF3.8 series, and the Overlub Oil Pump 4947075 is compatible with both models. This pump ensures that the lubrication system functions correctly, providing the necessary oil flow to keep the engine running smoothly.

Role of Part 4947075 Overlub Oil Pump in Engine Systems

The Part 4947075 Overlub Oil Pump is integral to the efficient operation of various engine systems by ensuring a consistent supply of lubricating oil. This pump works in conjunction with several key components to maintain optimal engine performance and longevity.

Lubricating Oil Pump Integration

The Overlub Oil Pump is designed to work seamlessly with the lubricating oil pump. Its primary function is to deliver a steady flow of oil to critical engine components, reducing friction and wear. The lubricating oil pump draws oil from the sump and pressurizes it, while the Overlub Oil Pump ensures that this pressurized oil reaches all necessary parts, including the crankshaft, camshaft, and valve train.

Pump Coordination

In a well-designed engine system, multiple pumps often work together to maintain oil pressure and flow. The Overlub Oil Pump complements the primary pump by providing additional lubrication to areas that may require more attention. This coordination ensures that even the most remote or high-friction components receive adequate lubrication, enhancing overall engine efficiency and reliability.

Lubricating Oil Distribution

The effectiveness of the Overlub Oil Pump is highly dependent on the quality and consistency of the lubricating oil. This pump ensures that the oil is distributed evenly throughout the engine, minimizing the risk of oil starvation in any particular area. Proper distribution of lubricating oil is essential for maintaining engine temperature, reducing wear, and preventing potential damage from metal-to-metal contact.

Enhanced Engine Performance

By ensuring that all moving parts are properly lubricated, the Overlub Oil Pump contributes to smoother engine operation. This results in reduced noise, lower operating temperatures, and improved fuel efficiency. The pump’s role in maintaining a consistent oil supply is particularly important in high-performance engines, where the demands on lubrication systems are greater.

Maintenance of Oil Pressure

Consistent oil pressure is vital for the proper functioning of engine components. The Overlub Oil Pump helps maintain this pressure by ensuring that oil is continuously circulated through the system. This is especially important during high-stress conditions, such as rapid acceleration or heavy loads, where the risk of oil pressure drop is higher.

Conclusion

In summary, the Part 4947075 Overlub Oil Pump plays a significant role in the lubrication system of an engine by ensuring that lubricating oil is efficiently distributed to all necessary components. Its integration with other pumps and its contribution to maintaining oil pressure are essential for the reliable and efficient operation of the engine.


  1. Mom, Gijs. The Evolution of Automotive Engineering: A Handbook. SAE International, 2023.

  2. Trzesniowski, Michael. The Complete Vehicle. Springer Nature, 2023.

  3. Schuetz, Thomas. Aerodynamics of Road Vehicles: Fifth Edition. SAE International, 2016.

SPECIFICATIONS

Package Dimensions
20.0 x 21.0 x 21.0 in
Weight
0.67 lb
* 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.