3925009
Compression Spring
Cummins®

The Cummins 3925009 Compression Spring is a component designed for use in commercial trucks. It serves specific functions within the truck’s mechanical systems. Cummins Inc., a well-established manufacturer, produces this spring, leveraging its expertise in diesel engines and related technologies ¹.

Basic Concepts of Compression Springs

Compression springs are mechanical devices that store energy when compressed. They operate on the principle of elastic deformation, returning to their original shape when the compressive force is removed. These springs find applications in various mechanical systems, including automotive suspensions, engine components, and other machinery ². They are typically made from materials like steel, stainless steel, or other alloys, chosen for their strength, durability, and resistance to deformation.

Role of the 3925009 Compression Spring in Truck Operation

The Cummins 3925009 Compression Spring plays a role in the operation of a truck by providing necessary support and stability within specific systems or components. It may be associated with the suspension system, contributing to the truck’s ride quality and handling. Additionally, it could be involved in engine components, where it helps maintain proper function and efficiency. Its precise role depends on the specific application within the truck’s mechanical systems ³.

Key Features

The Cummins 3925009 Compression Spring boasts several key features that set it apart. Its design is tailored to meet the demands of commercial truck applications, ensuring reliable performance under various conditions. The spring is constructed from high-quality materials, offering durability and resistance to wear. It has a specified load capacity, allowing it to handle the stresses and forces encountered in truck operations. Unique characteristics may include specific dimensions, wire diameter, and coil configuration, optimizing its performance for its intended use ⁴.

Benefits

Utilizing the Cummins 3925009 Compression Spring offers several benefits. It contributes to improved performance by providing consistent support and stability within the truck’s mechanical systems. Its durable construction ensures longevity, reducing the need for frequent replacements. The spring’s reliability enhances the overall dependability of the truck, minimizing downtime and maintenance costs. Additionally, its cost-effectiveness makes it a practical choice for fleet operators looking to balance performance with budget considerations.

Troubleshooting and Maintenance

To troubleshoot common issues related to compression springs, it is important to inspect for signs of wear, deformation, or damage. Regular maintenance, such as cleaning and lubrication, can help prolong the spring’s lifespan and ensure optimal performance. If signs of significant wear or failure are detected, it may be necessary to consider replacement to maintain the truck’s functionality and safety ⁵.

About Cummins

Cummins Inc. is a renowned manufacturer with a rich history in producing diesel engines and related technologies. The company is known for its commitment to quality, innovation, and customer satisfaction in the automotive industry. Cummins’ reputation is built on delivering reliable and high-performance products that meet the demanding requirements of commercial truck applications ⁶.

Compatibility with Cummins Engines

The Compression Spring part number 3925009, manufactured by Cummins, is designed to fit a variety of Cummins engines. This spring is integral to the engine’s operation, providing necessary compression and ensuring the engine’s components function correctly. Below is a detailed breakdown of the engines with which this compression spring is compatible:

4B3.9 and 6B5.9 Engines

The Compression Spring 3925009 is compatible with the 4B3.9 and 6B5.9 engines. These engines are known for their robust performance and reliability, often used in heavy-duty applications.

B3.9 G and G5.9 Engines

This spring fits the B3.9 G and G5.9 engines, which are part of the Cummins G-Series. These engines are designed for medium-duty applications, providing a balance of power and efficiency.

B4.5 RGT and B5.6 CM2670 B152B Engines

The Compression Spring 3925009 is also compatible with the B4.5 RGT and B5.6 CM2670 B152B engines. These engines are known for their advanced technology and performance, often used in both on-highway and off-highway applications.

B5.9 Series Engines

This spring fits several B5.9 series engines, including:

• B5.9 CM2670 B166C
• B5.9 G
• B5.9 GAS PLUS CM556

These engines are part of the Cummins B-Series, known for their versatility and durability in various applications.

B6.7 Series Engines

The Compression Spring 3925009 is compatible with a wide range of B6.7 series engines, including:

• B6.7 CM2350 B135B
• B6.7 CM2670 B153B
• B6.7 CM2670 B164C
• B6.7 G CMOH6.0 B125

These engines are part of the Cummins B-Series, known for their high performance and efficiency in heavy-duty applications.

ISB Series Engines

The Compression Spring 3925009 fits several ISB series engines, including:

• ISB (Chrysler)
• ISB CM2150
• ISB CM550
• ISB CM850
• ISB/ISD4.5 CM2150 B119
• ISB/ISD6.7 CM2150 SN
• ISB5.9 CM2880 B110
• ISB5.9 CM2880 B127
• ISB5.9 CM2880 B140
• ISB5.9 CM2880 B149
• ISB5.9G CM2180

These engines are part of the Cummins ISB/ISD Series, known for their reliability and performance in various applications, including on-highway and off-highway uses.

Role of Part 3925009 Compression Spring in Engine Systems

In the orchestration of an engine’s operation, the part 3925009 Compression Spring assumes a significant role by ensuring the seamless interaction between various components. This spring is instrumental in maintaining the proper tension and alignment necessary for the efficient functioning of the engine.

Within the cylinder block and cylinder head assemblies, the Compression Spring facilitates the operation of valves by providing the necessary force to close them against the valve seat, ensuring a tight seal that prevents the escape of combustion gases. This is particularly important in the cylinder block kit and long block configurations, where precision in component interaction is paramount.

In the engine oil and lubricating oil systems, the Compression Spring is utilized in the lube oil filter head and lubricating oil filter cover to maintain the integrity of the filtration process. It ensures that the filter media remains in optimal contact with the oil flow, enhancing the efficiency of contaminant removal and preserving the quality of the lubricating oil.

Furthermore, in the full flow oil filter and engine oil cooler systems, the Compression Spring plays a role in regulating the flow of oil through these components. It helps in maintaining consistent pressure and flow rates, which are essential for the effective cooling and filtration of the engine oil.

The Compression Spring is also a component in the lube oil filter head, where it assists in the secure attachment and sealing of the filter element. This is vital for the prevention of oil leaks and the maintenance of system pressure, which is critical for the lubrication of moving parts within the engine.

In summary, the part 3925009 Compression Spring is a versatile component that contributes to the reliable operation of various engine systems by ensuring proper tension, alignment, and sealing across a range of applications.

Conclusion

The Cummins 3925009 Compression Spring is a vital component in the operation of commercial trucks and Cummins engines. Its role in providing support, stability, and efficient functioning within various mechanical systems underscores its importance. The spring’s durable construction, reliable performance, and compatibility with a wide range of Cummins engines make it a valuable asset for fleet operators and maintenance professionals. Regular maintenance and timely replacement of this part ensure the continued reliability and efficiency of the truck’s mechanical systems.