3924720
Lubricating Oil Pump
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$234.95 $279.59

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

Introduction

The Cummins 3924720 Lubricating Oil Pump is a critical component designed to circulate lubricating oil within the engine of commercial trucks. This ensures that all moving parts within the engine receive adequate lubrication, which is essential for maintaining engine performance and longevity. The pump is integral to the efficient operation of the engine, contributing to its overall reliability and efficiency 1.

Basic Concepts of Lubricating Oil Pumps

A lubricating oil pump circulates oil throughout an engine to reduce friction between moving parts, remove heat, and carry away contaminants. It operates on principles of hydraulic and mechanical systems, using a rotor or gear mechanism to draw oil from the sump and deliver it under pressure to various engine components. The consistent flow of oil is crucial for minimizing wear and maintaining optimal engine temperature 2.

Role of the 3924720 Lubricating Oil Pump in Truck Operation

The 3924720 Lubricating Oil Pump ensures that engine components are continuously lubricated, which is key to reducing friction and maintaining engine efficiency. By providing a steady supply of oil to critical parts, the pump contributes to the smooth and reliable operation of the truck 3.

Key Features of the 3924720 Lubricating Oil Pump

This Cummins part is characterized by its robust design and the use of high-quality materials, which enhance its durability and performance. It incorporates advanced technological features that improve its efficiency and reliability. The pump’s design allows for effective oil circulation, even under demanding operating conditions, ensuring that all engine parts receive the necessary lubrication.

Benefits of Using the 3924720 Lubricating Oil Pump

Utilizing this part offers several advantages, including improved engine efficiency due to reduced friction between moving parts. It also contributes to decreased wear and tear on engine components, leading to enhanced reliability and longevity of the engine. The pump’s efficient operation helps in maintaining optimal engine performance, even under varying load conditions.

Installation and Integration

Proper installation of the 3924720 Lubricating Oil Pump within a truck’s engine system is crucial for its effective operation. It requires careful alignment and secure mounting to ensure it functions correctly within the engine’s lubrication system. Considerations such as the pump’s compatibility with the engine model and the condition of the lubrication system should be taken into account during installation.

Maintenance and Care

Regular maintenance and care of the 3924720 Lubricating Oil Pump are essential for ensuring its optimal performance and longevity. This includes routine checks for leaks, ensuring the pump is securely mounted, and verifying that the lubrication system is free of contaminants. Regular servicing, such as cleaning or replacing filters, can help maintain the efficiency of the pump and the overall lubrication system.

Troubleshooting Common Issues

Common problems associated with the 3924720 Lubricating Oil Pump may include leaks, reduced oil pressure, or unusual noises during operation. Troubleshooting these issues involves checking for proper installation, ensuring the pump is securely mounted, and inspecting the lubrication system for contaminants or blockages. Addressing these issues promptly can help maintain the pump’s efficiency and the engine’s performance.

Performance Enhancements

Potential performance enhancements for the 3924720 Lubricating Oil Pump may include upgrades to its design or the use of higher-quality materials to improve its durability and efficiency. Modifications such as optimizing the pump’s flow rate or pressure can further enhance engine efficiency and reliability. These enhancements should be carefully considered to ensure compatibility with the engine system.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a rich history in the commercial truck industry, Cummins is renowned for its high-quality products and innovative solutions. The company’s extensive product range and commitment to excellence provide a solid foundation for the 3924720 Lubricating Oil Pump, ensuring it meets the demanding requirements of commercial truck engines.

Compatibility of Cummins Lubricating Oil Pump Part 3924720

The Cummins lubricating oil pump part number 3924720 is designed to be compatible with a range of Cummins engines, ensuring efficient oil circulation and lubrication. This part is engineered to fit seamlessly with the following engines:

6B5.9 Series

  • 6B5.9 G: The 3924720 oil pump is specifically tailored to integrate with the 6B5.9 G engine, providing reliable oil flow and maintaining optimal engine performance.

B5.9 Series

  • B5.9 G: Similarly, the 3924720 oil pump is engineered to fit the B5.9 G engine, ensuring that the engine operates smoothly and efficiently by maintaining the necessary lubrication levels.

This part is crucial for the longevity and performance of the engines, as it ensures that all moving parts are adequately lubricated, reducing wear and tear and preventing overheating.

Role of Part 3924720 Lubricating Oil Pump in Engine Systems

The 3924720 Lubricating Oil Pump is an essential component in various engine configurations, ensuring the efficient circulation of lubricating oil throughout the engine system. This pump is integral to the operation of several engine block configurations, including the Block 6-B Short, Block Short, standard Cylinder Block, Short 6BT, Long Block, and the Short 6B Block.

In these engine systems, the lubricating oil pump works in conjunction with the cylinder block to deliver pressurized oil to vital engine components. It ensures that moving parts, such as the crankshaft, camshaft, pistons, and valve train, receive consistent lubrication. This lubrication is necessary to reduce friction, wear, and heat generation, thereby enhancing the engine’s performance and longevity.

For the Block 6-B Short and Block Short configurations, the pump is responsible for maintaining oil pressure that is adequate for the compact design of these blocks. In the standard Cylinder Block and the Short 6BT, the pump’s role extends to supporting the more complex internal geometries and higher operational stresses.

In Long Block assemblies, which include the cylinder block along with other major components like the crankshaft, pistons, and camshaft, the 3924720 pump ensures that all these elements are well-lubricated from the onset of engine operation. This is particularly important in preventing early wear and ensuring smooth operation right from the initial start-up.

For the Short 6B Block, the pump’s design and capacity are tailored to meet the specific lubrication demands of this configuration, ensuring optimal performance and reliability.

Overall, the 3924720 Lubricating Oil Pump is a key player in maintaining the health and efficiency of these engine blocks by ensuring that lubricating oil is effectively distributed throughout the engine system.

Conclusion

The Cummins 3924720 Lubricating Oil Pump is a vital component in the maintenance and operation of commercial truck engines. Its role in ensuring adequate lubrication of engine parts contributes significantly to the engine’s efficiency, reliability, and longevity. Proper installation, regular maintenance, and prompt troubleshooting of issues are essential for maximizing the performance of this part. Cummins’ commitment to quality and innovation ensures that the 3924720 Lubricating Oil Pump meets the high standards required for commercial truck applications.


  1. Andrew Brown Jr, Technologies and Approaches to Reducing the Fuel Consumption of Medium and Heavy-Duty Vehicles, National Academy of Sciences, 2010.

  2. Sean Bennett, Ian Andrew Norman, Heavy Duty Truck Systems, Fifth Edition, Delmar Cengage Learning, 2011.

  3. Moustafa ElGindy and Zeinab ElSayegh, Road and Off-Road Vehicle Dynamics, Springer Nature, 2023.

* 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.