3906267
Oil Filler Tube
Cummins®

Introduction

The Cummins 3906267 Oil Filler Tube is a critical component for heavy-duty truck engines, designed to facilitate the addition of oil to ensure the lubrication system functions correctly. Proper lubrication is essential for the efficient operation and longevity of engine components, making this Cummins part a significant element in engine maintenance and performance.

Purpose and Function

This part plays a role in the lubrication system by providing a pathway for oil to be added to the engine. It ensures that oil reaches the necessary components, promoting smooth operation and reducing wear on moving parts. By maintaining adequate oil levels, the tube helps in the consistent lubrication of engine components, which is vital for optimal engine performance and durability ¹.

Key Features

The Cummins 3906267 Oil Filler Tube is engineered with specific features to enhance its performance and durability. It is constructed from high-quality materials that resist corrosion and wear, ensuring a long service life. The design of the tube includes precise threading and sealing mechanisms to prevent oil leaks, which is important for maintaining engine efficiency and safety. Additionally, the tube is designed for easy access, simplifying the oil change process for maintenance personnel ².

Benefits

The use of the Cummins 3906267 Oil Filler Tube offers several advantages. It contributes to improved engine performance by ensuring consistent and proper lubrication of engine parts. The durable construction of the tube enhances its longevity, reducing the frequency of replacements. Furthermore, its design facilitates ease of use during oil changes, which can save time and effort during maintenance routines.

Installation and Maintenance

Proper installation of the Cummins 3906267 Oil Filler Tube is important for its effective function. It should be securely fastened to prevent leaks and ensure a tight seal. Routine maintenance involves checking for signs of wear or damage, such as cracks or corrosion, and replacing the tube if necessary. Regular inspection and maintenance of the tube can help in preventing oil leaks and ensuring the lubrication system operates efficiently.

Troubleshooting Common Issues

Common issues with Oil Filler Tubes can include leaks, blockages, or damage. To address these problems, it is important to inspect the tube for any visible signs of wear or damage. If a leak is detected, the tube should be checked for proper seating and sealing. Blockages can often be cleared by disassembling the tube and cleaning any debris. In cases of significant damage, replacement of the tube may be necessary to restore proper function.

Safety Considerations

When working with the Cummins 3906267 Oil Filler Tube, it is important to observe safety precautions. This includes ensuring that the engine is cool before attempting any maintenance or replacement procedures to avoid burns from hot engine components. Additionally, following manufacturer guidelines and industry best practices can help prevent accidents and ensure safe operation of the vehicle.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and quality, Cummins has established a strong reputation in the automotive industry. The company is committed to providing reliable and efficient products that meet the needs of its customers, demonstrating a dedication to quality, innovation, and customer satisfaction.

Compatibility

The Cummins Oil Filler Tube part number 3906267 is designed to fit a variety of Cummins engines, ensuring proper oil level monitoring and refilling. Below is a detailed breakdown of the compatibility of this part with different engine models:

Cummins 4B3.9 and 6B5.9 Engines

The Oil Filler Tube 3906267 is compatible with the Cummins 4B3.9 and 6B5.9 engines. These engines are known for their robust performance and reliability, often used in various industrial and agricultural applications. The tube ensures that the oil level can be easily checked and maintained, which is crucial for the longevity and efficiency of these engines.

Cummins B5.9 G Engine

Similarly, the Cummins B5.9 G engine also supports the use of the Oil Filler Tube 3906267. This engine variant is designed for applications requiring a balance of power and fuel efficiency. The tube’s design fits seamlessly with the engine’s architecture, facilitating straightforward oil management.

Cummins ISB CM550 Engine

The Cummins ISB CM550 engine is another model that is compatible with the Oil Filler Tube 3906267. This engine is renowned for its versatility and is often used in a range of heavy-duty applications. The tube’s integration with this engine ensures that oil levels can be monitored and refilled with ease, contributing to the engine’s overall performance and durability.

Cummins QSB5.9 Engines

The Oil Filler Tube 3906267 fits both the QSB5.9 30 CM550 and QSB5.9 44 CM550 engines. These engines are designed for applications that demand high power output and reliability. The tube’s compatibility with these models ensures that users can easily check and maintain the oil levels, which is essential for the engines’ optimal operation.

Cummins QSB6.7 Engines

The Cummins QSB6.7 CM2250, QSB6.7 CM2350 B105, and QSB6.7 CM850 (CM2850) engines are also compatible with the Oil Filler Tube 3906267. These engines are known for their superior performance and efficiency, often used in demanding applications. The tube’s design ensures that oil levels can be easily monitored and maintained, contributing to the engines’ longevity and reliability.

Cummins QSB7 CM2880 B117 Engine

Lastly, the Cummins QSB7 CM2880 B117 engine is designed to work with the Oil Filler Tube 3906267. This engine variant is engineered for high-performance applications, and the tube’s compatibility ensures that oil levels can be easily checked and refilled, which is crucial for maintaining the engine’s efficiency and lifespan.

Role of Part 3906267 Oil Filler Tube in Engine Systems

The part 3906267 oil filler tube is an essential component in the arrangement of various engine systems, facilitating the efficient operation and maintenance of the engine.

In the oil fill system, the oil filler tube serves as a conduit for adding lubricant to the engine. This ensures that the moving parts within the engine are properly lubricated, reducing friction and wear. The tube is typically connected to the oil fill cap, which is part of the engine’s lubrication system.

The cover of the engine, often referred to as the valve cover, is another component where the oil filler tube plays a significant role. The tube is usually mounted on this cover, allowing for easy access during oil changes or top-ups. The cover protects the internal components and helps in maintaining the engine’s integrity.

In relation to the cylinder block, the oil filler tube indirectly supports the lubrication of this central component. The cylinder block houses the cylinders, pistons, and other critical parts that require consistent lubrication to function smoothly. The oil filler tube ensures that the lubrication system is replenished adequately, thereby supporting the overall performance and longevity of the cylinder block.

Overall, the part 3906267 oil filler tube is integral to the maintenance and operational efficiency of these engine components, ensuring that the engine runs smoothly and reliably.

Conclusion

The Cummins 3906267 Oil Filler Tube is a vital component in the maintenance and performance of heavy-duty truck engines. Its role in facilitating proper lubrication, ensuring engine efficiency, and contributing to the longevity of engine components cannot be overstated. Proper installation, maintenance, and troubleshooting of this part are essential for the optimal operation of Cummins engines.