3696866
Oil Cooler
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$389.95 $464.04

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 3696866 Oil Cooler is a critical component designed to regulate the temperature of engine oil in commercial trucks. It plays a significant role in maintaining engine efficiency and longevity by ensuring that the oil remains within optimal temperature ranges, thereby contributing to stable engine performance and reducing the risk of overheating and subsequent engine damage 1.

Basic Concepts of Oil Coolers

An oil cooler is a device that manages the temperature of engine oil by dissipating excess heat. It operates on the principle of heat exchange, where hot oil transfers some of its heat to a cooler medium, typically the ambient air or a liquid coolant. This process allows the oil to maintain a temperature that promotes efficient lubrication and reduces the likelihood of thermal degradation 2.

Purpose and Role of the 3696866 Oil Cooler

The Cummins 3696866 Oil Cooler is specifically engineered to maintain the optimal temperature of engine oil. It facilitates the transfer of heat from the oil to the surrounding environment, which is vital for ensuring that the engine operates efficiently. Oil that is too hot can break down and lose its lubricating properties, while oil that is too cold can become too viscous and hinder engine performance. By keeping the oil at the right temperature, the cooler helps to preserve engine components and extend the engine’s operational life 3.

Key Features

This Cummins part is constructed with materials that offer durability and effective heat dissipation. Its design incorporates features that enhance cooling efficiency, such as a large surface area for heat exchange and a robust construction that can withstand the rigors of commercial truck operation. The cooler is designed to integrate seamlessly with the truck’s engine system, ensuring that it functions as an efficient part of the overall cooling mechanism.

Benefits of Using the 3696866 Oil Cooler

Utilizing the Cummins 3696866 Oil Cooler can lead to improved engine reliability and performance. By maintaining optimal oil temperature, the cooler helps to ensure that the engine operates smoothly under a variety of conditions. This can result in enhanced fuel efficiency, reduced wear on engine components, and potentially lower maintenance costs due to the extended life of the engine.

Installation and Integration

Proper installation of the Cummins 3696866 Oil Cooler is important for its effective operation. It is designed to be compatible with a range of truck models and can be integrated into existing engine systems with minimal modifications. Following manufacturer guidelines during installation ensures that the cooler functions as intended and contributes to the overall efficiency of the engine cooling system.

Maintenance and Troubleshooting

Regular maintenance of the Cummins 3696866 Oil Cooler is recommended to ensure its continued efficient operation. This includes checking for any signs of leaks, ensuring that connections are secure, and verifying that the cooler is free from obstructions that could impede airflow. Should issues arise, diagnostic procedures can help identify the cause, whether it be a blockage, a leak, or another issue, allowing for timely repairs and continued reliable performance.

Performance Under Various Conditions

The Cummins 3696866 Oil Cooler is designed to perform effectively under a range of driving conditions. Whether the truck is carrying heavy loads, operating in extreme temperatures, or experiencing varying speeds, the cooler is built to maintain optimal oil temperature. This consistent performance helps to protect the engine from the stresses that can arise from such conditions, contributing to the overall durability and reliability of the truck.

Cummins Corporation

Cummins Inc. is a well-established manufacturer with a broad product range that includes engines, filtration systems, and power generation equipment. The company has a reputation for producing high-quality components that are trusted in the commercial truck industry. Cummins’ commitment to innovation and customer satisfaction is reflected in the design and performance of their products, including the 3696866 Oil Cooler.

Compatibility

The Cummins Oil Cooler part number 3696866 is designed to fit a variety of engine models, ensuring efficient oil cooling and optimal engine performance. This oil cooler is compatible with the following engines:

  • ISG11 CM2880 G108
  • ISG12 CM2880 G107
  • QSG12 CM2880 G112
  • QSG12/X12 CM2350 G110
  • X12 CM2670 X121B

These engines share a similar architecture, making the oil cooler a suitable fit across the board. The design of the oil cooler ensures that it can effectively manage the heat generated by the engine, maintaining the oil at an optimal temperature for efficient operation.

Role in Engine Systems

This part is integral to maintaining optimal operating temperatures within engine systems by regulating the temperature of the engine oil. This regulation is essential for the efficient and reliable performance of various engine components.

Integration with Engine Oil Cooler

When integrated with the Engine Oil Cooler, this Cummins part ensures that the oil circulating through the engine maintains a consistent temperature. This is achieved by dissipating excess heat generated during combustion and mechanical friction. The cooler works in conjunction with the engine’s lubrication system, allowing the oil to absorb heat as it flows through critical components such as the crankshaft, pistons, and bearings. Once heated, the oil passes through the oil cooler, where it is cooled before re-entering the system. This continuous cycle helps prevent overheating, reduces oil degradation, and enhances the longevity of engine parts.

Functionality within Lubricating Oil Cooler Module

In the Lubricating Oil Cooler Module, this part plays a significant role in enhancing the module’s efficiency. The module typically includes a series of fins and tubes designed to maximize heat exchange. The oil cooler ensures that the oil remains within the desired temperature range, which is vital for the module’s performance. By maintaining optimal oil temperature, the module can effectively lubricate moving parts, reduce friction, and minimize wear. This, in turn, contributes to the overall reliability and efficiency of the engine system.

Conclusion

In summary, the Cummins 3696866 Oil Cooler is a key component in both the Engine Oil Cooler and Lubricating Oil Cooler Module, ensuring that engine oil remains at an optimal temperature for efficient lubrication and prolonged engine life. Its robust design, compatibility with various engine models, and integration with the engine’s lubrication system make it an essential part of maintaining engine efficiency and reliability.


  1. TK Garrett, K Newton, W Steeds, The Motor Vehicle, Reed Educational and Professional Publishing Ltd, 2001.

  2. Karsten Berns, Klaus Dressler, Patrick Fleischmann, Daniel Grges, Ralf Kalmar, Bernd Sauer, Nicole Stephan, Roman Teutsch, Martin Thul, Proceedings of the 5th Commercial Vehicle Technology Symposium CVT, Springer, 2018.

  3. Department of Energy, Department of Energy Fundamentals Handbook, Department of Energy, 2015.

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SPECIFICATIONS

Package Dimensions
52.2 x 33.0 x 26.4 in
Weight
19.09 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.