3696558
Thermostat
Cummins®

The Cummins 3696558 Thermostat is a component designed for use in commercial trucks, playing a significant role in the engine’s cooling system. Thermostats are integral to engine management, ensuring that the engine operates within its optimal temperature range. This overview will explore the function and importance of the Cummins 3696558 Thermostat in maintaining engine efficiency and performance.

Basic Concepts of Thermostats

A thermostat is a device that regulates the temperature within an engine cooling system. It operates by opening and closing in response to the engine’s temperature, allowing coolant to flow through the engine when it reaches a certain threshold. This process helps maintain the engine’s optimal operating temperature, which is crucial for efficiency, performance, and longevity. Proper thermostat function ensures that the engine does not overheat or run too cold, both of which can lead to decreased performance and potential damage ¹.

Purpose of the Cummins 3696558 Thermostat

The Cummins 3696558 Thermostat is specifically designed to regulate the flow of coolant in truck engines. By controlling the temperature of the engine, it contributes to overall engine efficiency, performance, and longevity. This thermostat helps ensure that the engine reaches its optimal operating temperature quickly and maintains it under various driving conditions, which is vital for the engine’s health and the vehicle’s fuel efficiency ².

Key Features

The Cummins 3696558 Thermostat is constructed with high-quality materials to ensure durability and reliable performance. Its design includes features that enhance its ability to regulate temperature effectively. The materials used in its construction are chosen for their resistance to corrosion and high temperatures, ensuring that the thermostat can withstand the demanding conditions of commercial truck operation ³.

Benefits of Using the Cummins 3696558 Thermostat

Installing the Cummins 3696558 Thermostat in commercial trucks offers several advantages. It contributes to improved engine performance by ensuring the engine operates at its optimal temperature. This can lead to better fuel efficiency and increased reliability. Additionally, the use of a high-quality thermostat can reduce overall vehicle maintenance costs by preventing engine damage that can result from overheating ⁴.

Installation and Compatibility

Proper installation of the Cummins 3696558 Thermostat is crucial for its effective operation. It is designed to be compatible with specific engine models, ensuring a precise fit and function. Before installation, it is important to verify compatibility with the engine model and follow the manufacturer’s guidelines for installation to ensure optimal performance ⁵.

Troubleshooting and Maintenance

Common issues with thermostats include failure to open or close properly, which can lead to overheating or inefficient engine operation. Regular maintenance, including inspection and replacement as needed, can help ensure the longevity and efficient operation of the Cummins 3696558 Thermostat. Recommended service intervals and inspection procedures should be followed to maintain optimal performance ⁶.

Performance Under Various Conditions

The Cummins 3696558 Thermostat is designed to perform effectively under a wide range of driving conditions and environments. Its ability to regulate engine temperature ensures efficient operation in both extreme temperatures and heavy-duty applications, contributing to the overall reliability and performance of the vehicle ⁷.

Cummins Corporation Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a strong reputation in the automotive industry, Cummins is committed to quality and innovation in engine components. The company’s focus on research and development ensures that its products, including the Cummins 3696558 Thermostat, meet the high standards required for commercial truck applications ⁸.

Thermostat 3696558 Compatibility with Cummins Engines

The thermostat part number 3696558, manufactured by Cummins, is designed to fit a variety of Cummins engines. This thermostat is a critical component that helps maintain the engine’s optimal operating temperature by regulating the flow of coolant.

Compatible Engines

• 15N CM2380 M104B
• ISG11 CM2880 G108
• ISG12 CM2880 G107
• ISG12 G CMOH6.0 G111
• QSG12 CM2880 G112
• QSG12/X12 CM2350 G110
• X11 CM2670 X126B
• X12 CM2350 X119B
• X12 CM2670 X121B
• X12N CMMDG1 X143B
• X13 CM2670 X122B
• Z14 CM2670 Z103B

Grouping of Compatible Engines

The engines listed above can be grouped based on their model series and specifications:

• 15N CM2380 M104B
• ISG11 CM2880 G108
• ISG12 CM2880 G107
• QSG12 CM2880 G112
• QSG12/X12 CM2350 G110

These engines share similar configurations and are part of the Cummins CM2380 and CM2880 series. They are typically used in various industrial and commercial applications.

• ISG12 G CMOH6.0 G111
• X11 CM2670 X126B
• X12 CM2350 X119B
• X12 CM2670 X121B
• X13 CM2670 X122B

These engines belong to the Cummins CM2670 series and are often found in heavy-duty applications, including construction and agricultural machinery.

• X12N CMMDG1 X143B
• Z14 CM2670 Z103B

These engines are part of the Cummins CMMDG1 and CM2670 series, designed for specialized applications requiring robust and reliable performance.

By ensuring the correct installation of the thermostat 3696558, these engines can maintain their efficiency and longevity, providing reliable performance across various applications.

Role of Part 3696558 Thermostat in Engine Systems

The part 3696558 thermostat is an essential component in maintaining the optimal operating temperature of engine systems. It works in conjunction with various components to ensure efficient engine performance and longevity.

Interaction with Engine Oil Cooler

The thermostat regulates the flow of coolant to the engine oil cooler. As the engine warms up, the thermostat opens, allowing coolant to flow through the oil cooler. This process helps in dissipating excess heat from the engine oil, ensuring it remains within the optimal temperature range. Proper cooling of engine oil is vital for reducing wear and tear on engine components and maintaining viscosity for effective lubrication ⁹.

Coordination with Lubricating Oil Cooler

Similar to its role with the engine oil cooler, the thermostat also manages the flow of coolant to the lubricating oil cooler. By controlling the temperature of the lubricating oil, the thermostat helps in maintaining the oil’s viscosity and effectiveness. This is particularly important in high-performance engines where lubricating oil must withstand extreme conditions ¹⁰.

Integration with Lubricating Oil Cooler Module

In systems equipped with a lubricating oil cooler module, the thermostat ensures that the module operates efficiently. The module often includes additional cooling pathways and sensors. The thermostat’s precise control over coolant flow helps in optimizing these pathways, ensuring that the lubricating oil is cooled effectively before it is circulated back into the engine ¹¹.

Relationship with Lubricating Oil Filter Head

The lubricating oil filter head is another component that benefits from the thermostat’s temperature regulation. By maintaining the optimal temperature of the lubricating oil, the thermostat ensures that the oil remains clean and free from contaminants. This is essential for the filter head to function effectively, capturing debris and maintaining the oil’s quality ¹².

Contribution to Oil Cooler Kit

In comprehensive oil cooler kits, which often include multiple cooling components and pathways, the thermostat plays a pivotal role. It ensures that all elements of the kit operate within their designed temperature ranges. This holistic approach to cooling enhances the overall efficiency and reliability of the engine system, reducing the risk of overheating and associated damage ¹³.

Conclusion

The Cummins 3696558 Thermostat is a vital component in the cooling system of commercial truck engines. Its role in regulating engine temperature ensures optimal performance, efficiency, and longevity. Proper installation, maintenance, and understanding of its function within the engine system are crucial for maximizing the benefits of this Cummins part.