4940982
Oil Cooler
Cummins®

Introduction

The Cummins 4940982 Oil Cooler is designed to regulate engine oil temperature in commercial trucks, ensuring operational efficiency and longevity. By maintaining optimal oil temperature, this part contributes to stable truck performance under various conditions.

Basic Concepts of Oil Coolers

An oil cooler is a heat exchanger that reduces engine oil temperature by transferring heat to the surrounding air or coolant. It works with the engine’s lubrication system, using heat exchange principles to dissipate heat from hot oil to a cooler medium, preventing overheating ¹.

Purpose of the Cummins 4940982 Oil Cooler

The Cummins 4940982 Oil Cooler maintains optimal engine oil temperature, ensuring suitable oil viscosity for lubrication. This is vital for efficient engine performance, reducing wear, enhancing fuel efficiency, and prolonging engine life.

Key Features

This Cummins part features a robust design and high-quality materials. It has a compact, efficient heat exchange core with excellent thermal conductivity and corrosion resistance, allowing for maximum heat dissipation and durability under demanding conditions.

Benefits of Using the Cummins 4940982 Oil Cooler

Incorporating this part into a truck’s engine system offers advantages such as improved engine efficiency by maintaining optimal oil temperature, reducing engine sludge and varnish formation, and minimizing wear and tear on engine components, leading to enhanced performance and reliability.

Installation Considerations

Proper installation of the Cummins 4940982 Oil Cooler is crucial for optimal performance and longevity. It is important to follow manufacturer guidelines, ensuring secure mounting and tight, leak-free connections. Attention should be paid to the orientation of the cooler to facilitate efficient heat exchange and prevent airflow obstructions.

Maintenance and Troubleshooting

Regular maintenance of the Cummins 4940982 Oil Cooler is recommended for continued efficient operation. This includes periodic inspection for leaks, corrosion, or blockages. Troubleshooting common issues may involve checking fluid levels, ensuring unobstructed airflow, and verifying the integrity of all connections.

Performance Impact

The Cummins 4940982 Oil Cooler enhances truck engine performance and reliability by maintaining optimal oil temperature. It contributes to improved fuel efficiency and can lead to reductions in emissions. The cooler’s efficient heat exchange capabilities help sustain engine performance under varying load conditions, which is critical for commercial trucks ².

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and related technologies. With a history of innovation and a strong reputation in the commercial truck industry, Cummins is recognized for producing high-quality engine components that meet the rigorous demands of heavy-duty applications.

Cummins Oil Cooler 4940982 Compatibility

The Cummins Oil Cooler part number 4940982 is designed to fit seamlessly with a variety of Cummins engines, ensuring optimal performance and longevity. This oil cooler is engineered to maintain the engine’s oil at an ideal temperature, which is crucial for the engine’s efficiency and durability.

Engine Compatibility

• QSB5.9 CM850
• QSB6.7 CM870
• QSC6.7 CM880

These engines benefit from the precise engineering of the Cummins Oil Cooler 4940982, which is tailored to fit these models perfectly. The cooler’s design allows for efficient heat dissipation, preventing the oil from overheating and ensuring that the engine operates smoothly under various conditions.

Installation and Integration

The installation of the Cummins Oil Cooler 4940982 is straightforward, thanks to its compatibility with the specified engine models. The cooler is designed to integrate seamlessly with the engine’s existing oil system, providing a reliable and effective cooling solution without requiring extensive modifications.

Performance Benefits

By using the Cummins Oil Cooler 4940982, engine operators can expect several performance benefits, including:

• Enhanced Engine Life: By maintaining optimal oil temperatures, the cooler helps reduce wear and tear on engine components.
• Improved Efficiency: Efficient oil cooling leads to better engine performance and fuel economy.
• Reliability: The cooler’s robust design ensures consistent performance, even under demanding conditions.

Maintenance and Support

Cummins provides comprehensive support for the Oil Cooler 4940982, including maintenance guidelines and replacement parts. This ensures that engine operators can maintain their engines with confidence, knowing that they have access to high-quality, reliable components.

Role of Part 4940982 Oil Cooler in Marine Gear Systems

In marine gear systems, the 4940982 Oil Cooler is an essential component that ensures the efficient operation and longevity of the gear system. When integrated into the marine gear oil system, this oil cooler performs several important functions:

• Temperature Regulation: The oil cooler maintains the oil within the optimal temperature range. As the marine gear operates, it generates significant heat. The oil cooler dissipates this heat, preventing overheating which can lead to oil breakdown and reduced lubrication efficiency.

• Enhanced Lubrication: By keeping the oil at the correct temperature, the cooler ensures that the viscosity of the oil remains consistent. This consistency is vital for maintaining the proper lubrication of moving parts within the marine gear, reducing wear and tear.

• Prolonged Component Life: Consistent temperature and optimal lubrication contribute to the extended lifespan of marine gear components. The oil cooler helps in preventing premature failure of gears, bearings, and other critical parts by ensuring they operate under ideal conditions.

• Improved System Efficiency: Efficient heat management leads to better overall performance of the marine gear system. The oil cooler allows the system to operate more smoothly and with less energy loss, enhancing the efficiency of the entire propulsion system.

• Reduction of Maintenance Needs: With the oil cooler in place, the frequency of required maintenance can be reduced. Stable oil temperatures and consistent lubrication mean that components are less likely to suffer from heat-related damage, leading to fewer repairs and replacements.

Conclusion

The Cummins 4940982 Oil Cooler is a vital component in both truck and marine gear systems, playing a significant role in temperature regulation, lubrication enhancement, component longevity, system efficiency, and maintenance reduction. Its robust design and efficient heat exchange capabilities ensure optimal engine performance and reliability under demanding conditions.