3975986
Oil Cooler
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$979.95 $1,166.14

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 3975986 Oil Cooler is a component designed to regulate the temperature of engine oil in commercial trucks. Its role is significant in maintaining the efficiency and longevity of the engine. By ensuring that the oil remains within optimal temperature ranges, this part contributes to the stable operation of the engine under various driving conditions 1.

Basic Concepts of Oil Coolers

An oil cooler is a heat exchanger that reduces the temperature of engine oil by transferring heat away from the oil and into the surrounding air or a coolant fluid. Within a truck’s engine system, the oil cooler works in conjunction with the engine’s lubrication system. It plays a role in dissipating excess heat generated during engine operation, which if not managed, could lead to oil degradation and increased engine wear 2.

Purpose of the Cummins 3975986 Oil Cooler

The Cummins 3975986 Oil Cooler is designed to maintain the oil at an optimal temperature. This is achieved by cooling the oil as it circulates through the engine. By keeping the oil within the desired temperature range, the cooler helps to ensure efficient engine operation and extends the engine’s lifespan by reducing the thermal stress on engine components 3.

Key Features

This Cummins part is characterized by its robust design and the use of high-quality materials. It features a compact yet efficient heat exchange core, which is constructed to maximize cooling efficiency while minimizing the space it occupies. The cooler is built to withstand the harsh conditions typical of commercial truck operations, ensuring durability and reliability.

Benefits of Using the Cummins 3975986 Oil Cooler

Incorporating this part into a truck’s engine system offers several advantages. It contributes to improved engine efficiency by ensuring that the oil viscosity remains optimal for lubrication. This can lead to reduced wear on engine parts and enhanced overall performance. Additionally, by maintaining oil temperature, the cooler helps to prevent oil breakdown, which can result in contaminants that further damage the engine.

Installation Considerations

When installing the Cummins 3975986 Oil Cooler, it is important to follow manufacturer guidelines to ensure proper fitment and function. Best practices include verifying that all connections are secure and that the cooler is positioned to allow for adequate airflow. It is also beneficial to check for any potential interference with other components during the installation process.

Maintenance and Troubleshooting

To ensure the longevity and optimal performance of the Cummins 3975986 Oil Cooler, regular maintenance is recommended. This includes inspecting the cooler for any signs of damage or leaks and ensuring that the connections remain tight. Common issues may include reduced cooling efficiency, which could be due to a buildup of contaminants within the cooler. Troubleshooting steps may involve cleaning or, in some cases, replacing the cooler.

Performance Impact

The Cummins 3975986 Oil Cooler plays a role in enhancing the overall performance of a truck’s engine. By maintaining optimal oil temperature, it contributes to fuel efficiency, as well-lubricated engines operate more smoothly and with less friction. It also supports consistent power output and reliability, as the engine is less likely to suffer from overheating-related issues.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions. With a history of innovation and a strong reputation in the industry, Cummins is committed to delivering high-quality components that meet the demanding requirements of commercial vehicle applications. The company’s focus on research and development ensures that its products, like the Cummins 3975986 Oil Cooler, are at the forefront of technology and performance.

Role of Part 3975986 Oil Cooler in Engine Systems

The 3975986 Oil Cooler is an essential component in maintaining the optimal operating temperature of various engine systems. It functions by circulating engine oil through a series of tubes or fins, which are cooled by either air or a liquid coolant. This process ensures that the oil remains within the desired temperature range, enhancing the efficiency and longevity of the engine.

In marine applications, the Oil Cooler is particularly significant. It works in conjunction with the Marine Gear Oil to regulate the temperature of the gear oil, which is vital for the smooth operation of the marine transmission system. By preventing overheating, the Oil Cooler helps to reduce the risk of gear damage and ensures consistent performance under varying load conditions.

Furthermore, the Oil Cooler integrates seamlessly with the overall Oil Cooler system of the engine. It assists in maintaining a stable oil temperature, which is essential for lubricating moving parts, reducing friction, and minimizing wear and tear. This integration is particularly important in high-performance engines where thermal management is key to achieving peak efficiency and reliability.

Conclusion

The Cummins 3975986 Oil Cooler is a vital component for maintaining the optimal performance and longevity of commercial truck engines. By effectively managing engine oil temperature, it ensures efficient operation, reduces wear on engine components, and supports consistent power output. Regular maintenance and proper installation are key to maximizing the benefits of this part.


  1. Barton, D. C., & Fieldhouse, J. D. (2009). Automotive Chassis Engineering Powertrain Chassis System and Vehicle Body. Elsevier.

  2. Bartz, W. J. (2019). Engine Oils and Automotive Lubrication Mechanical Engineering Book 80. CRC Press.

  3. Minaker, B. P. (2019). Fundamentals of Vehicle Dynamics and Modelling. John Wiley & Sons.

SPECIFICATIONS

Package Dimensions
12.9 x 7.3 x 6.7 in
Weight
6.99 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.