3925974
Oil Filler Tube
Cummins®

Introduction to Oil Filler Tubes

Oil filler tubes are essential components in the engine systems of commercial trucks and heavy-duty vehicles. These tubes facilitate the addition of engine oil, ensuring that the lubrication system remains adequately filled and operational. By connecting the oil reservoir to the engine, the oil filler tube enables the smooth flow of oil, maintaining the necessary lubrication levels for optimal engine performance ¹.

Role and Function of the Cummins Oil Filler Tube Part #3925974

The Cummins Oil Filler Tube part #3925974 is specifically engineered for use in Cummins engines. Its primary function is to provide a clear and unobstructed pathway for oil to enter the engine’s crankcase. This ensures that the engine receives the necessary lubrication to minimize friction, wear, and heat, thereby enhancing overall performance and longevity ².

Importance in Engine Operation

The proper functioning of the oil filler tube is critical for several reasons:

• Lubrication: Ensures that all moving parts within the engine are adequately lubricated, preventing metal-to-metal contact and reducing wear.
• Pressure Regulation: Helps maintain the correct oil pressure within the engine, which is vital for the operation of various engine components, including hydraulic lifters and oil pumps.
• Temperature Control: Assists in cooling the engine by allowing the oil to absorb heat and carry it away from critical areas.

Troubleshooting and Maintenance

Regular maintenance and timely troubleshooting of the oil filler tube can prevent potential engine issues. Here are some guidelines:

Inspection:

• Visual Check: Regularly inspect the oil filler tube for any signs of damage, such as cracks, leaks, or corrosion. A damaged tube can lead to oil leaks and inadequate lubrication.
• Connection Integrity: Ensure that the tube is securely connected to both the oil reservoir and the engine. Loose connections can result in oil leaks and loss of lubrication.

Maintenance:

• Cleaning: Periodically clean the oil filler tube to remove any accumulated debris or contaminants that may obstruct the flow of oil.
• Replacement: If the oil filler tube shows signs of wear or damage, it should be replaced promptly to avoid engine issues. Cummins offers high-quality replacement parts to ensure optimal performance.

Troubleshooting:

• Oil Leaks: If oil leaks are detected around the oil filler tube, check for loose connections or visible damage. Tighten connections or replace the tube as necessary.
• Low Oil Levels: Consistently low oil levels may indicate a leak in the oil filler tube. Inspect the tube thoroughly and address any issues found.

Cummins: A Leader in Engine Manufacturing

Cummins is a renowned manufacturer of engines and related components for commercial trucks and heavy-duty vehicles. With a legacy of innovation and reliability, Cummins engines are designed to deliver exceptional performance and durability. The company’s commitment to quality and customer satisfaction is evident in its comprehensive range of engine parts, including the Oil Filler Tube part #3925974 ³.

Compatibility of Cummins Oil Filler Tube 3925974

The Cummins Oil Filler Tube part number 3925974 is designed to fit seamlessly with several engine models, ensuring efficient oil management and maintenance. This part is integral for engines that require precise oil level monitoring and replenishment. Below is a detailed overview of the engines with which this part is compatible:

6C8.3 Engine Series

The 6C8.3 engine series benefits significantly from the use of the 3925974 Oil Filler Tube. This part is engineered to fit perfectly within the design parameters of the 6C8.3 engines, facilitating easy access for oil checks and refills. Its robust construction ensures durability and reliability, making it an essential component for maintaining engine health.

Compatibility Summary

• 6C8.3 Engine Series: The Oil Filler Tube 3925974 is specifically designed to integrate with the 6C8.3 engines, providing a critical function in oil management. Its compatibility with this series ensures that users can maintain optimal oil levels, which is crucial for engine performance and longevity.

By using the 3925974 Oil Filler Tube with the 6C8.3 engines, users can ensure that their engines operate smoothly and efficiently, benefiting from the precise design and high-quality construction of this essential component.

Role of Part 3925974 Oil Filler Tube in Engine Systems

The part 3925974 Oil Filler Tube is an essential component in the lubrication system of an engine, facilitating the smooth operation of various engine parts.

When integrated with the cover, the Oil Filler Tube allows for the convenient addition of oil to the engine. The cover, typically made of metal or composite materials, encases the top portion of the engine, providing protection and containing oil within the system. The Oil Filler Tube extends through this cover, offering a direct pathway for oil to be poured into the engine. This design ensures that oil levels can be maintained without disassembling significant portions of the engine, enhancing maintenance efficiency.

In conjunction with the cylinder block, the Oil Filler Tube plays a supportive role in ensuring the cylinder block receives adequate lubrication. The cylinder block houses the cylinders, pistons, and other moving parts that require consistent oil supply to reduce friction and wear. By allowing easy access for oil refill, the Oil Filler Tube helps maintain optimal oil levels, which is vital for the longevity and performance of the cylinder block and its components.

Overall, the Oil Filler Tube is a key element in the engine’s lubrication system, working seamlessly with the cover and cylinder block to ensure the engine operates smoothly and efficiently.

Conclusion

The Cummins Oil Filler Tube part #3925974 is a critical component in ensuring the proper lubrication and operation of Cummins engines. Understanding its role, maintaining it through regular inspections and cleaning, and addressing any issues promptly can significantly contribute to the longevity and efficiency of commercial trucks and heavy-duty vehicles. Cummins’ dedication to quality and performance makes it a trusted choice for engine parts, providing engineers, mechanics, and fleet operators with reliable solutions for their needs.