5266930
Oil Filler Tube
Cummins®

The Cummins 5266930 Oil Filler Tube is a component designed for use in heavy-duty truck engines. It serves a significant role in the maintenance and operation of these vehicles by facilitating the addition of oil to the engine. Proper lubrication is vital for the longevity and efficiency of engine components, making the oil filler tube an integral part of the engine’s lubrication system ¹.

Purpose and Function

This Cummins part plays a role in the lubrication system of a truck engine by allowing for the addition of oil. This tube ensures that oil is delivered to the engine’s crankcase, where it lubricates moving parts such as pistons, bearings, and the crankshaft. Adequate lubrication reduces friction and wear, contributing to the engine’s overall performance and durability ².

Key Features

The Oil Filler Tube is constructed with high-quality materials to ensure durability and reliability. It features precise threading specifications that allow for a secure fit within the engine’s oil cap. The design includes elements that enhance its performance, such as a robust construction that can withstand the pressures and temperatures within the engine compartment.

Benefits

Using the 5266930 offers several advantages. It contributes to improved engine performance by ensuring consistent and proper lubrication. The design of the tube facilitates ease of use during oil changes, reducing the risk of spills and making the process more efficient. Additionally, its durable construction promotes longevity, offering a reliable solution for heavy-duty applications ³.

Installation Process

Installing this Cummins part requires careful attention to detail to ensure proper function. The process involves aligning the tube with the engine’s oil cap and securing it according to the manufacturer’s torque specifications. It is important to follow the installation instructions precisely to avoid potential issues such as oil leaks or improper sealing.

Maintenance Tips

To ensure the longevity and optimal performance of the 5266930, regular maintenance is recommended. This includes inspecting the tube for signs of wear or damage, such as cracks or corrosion, which may indicate the need for replacement. Keeping the area around the tube clean and free of debris can also contribute to its longevity.

Troubleshooting Common Issues

Common issues associated with oil filler tubes include oil leaks, difficulty in adding oil, and corrosion. To address these problems, it is important to inspect the tube and its connections for any signs of damage or wear. Cleaning the area around the tube and ensuring it is properly aligned and secured can help resolve many issues. In cases of severe damage or corrosion, replacement of the tube may be necessary.

Manufacturer Overview - Cummins

Cummins Inc. is a well-established company in the automotive and heavy-duty truck industry, known for its commitment to quality and innovation in engine components. With a diverse product range, Cummins has built a reputation for delivering reliable and high-performance engine parts. The company’s history of excellence and dedication to advancing engine technology underscores its position as a leader in the industry.

Oil Filler Tube Compatibility with Cummins Engines

The Cummins Oil Filler Tube part number 5266930 is designed to fit a variety of Cummins engines, ensuring proper oil management and maintenance. Here is a detailed look at the compatibility of this part with specific engine models:

ISC CM2150 and ISC CM850

The Oil Filler Tube part number 5266930 is compatible with both the ISC CM2150 and ISC CM850 engines. This part is essential for maintaining the correct oil level and ensuring the engine operates smoothly.

ISC8.3 CM2250

The ISC8.3 CM2250 engine also utilizes the Oil Filler Tube part number 5266930. This part is crucial for the engine’s oil management system, ensuring that the oil is properly filled and maintained.

ISL CM2150, ISL9 CM2150 SN, and ISL9 CM2250

The Oil Filler Tube part number 5266930 fits the ISL CM2150, ISL9 CM2150 SN, and ISL9 CM2250 engines. This part is integral to the oil management system of these engines, ensuring that the oil level is maintained at the correct level for optimal engine performance.

By using the Oil Filler Tube part number 5266930, engine operators can ensure that their Cummins engines are properly maintained and that the oil levels are consistently monitored and managed.

Conclusion

The Cummins 5266930 Oil Filler Tube is a vital component in the maintenance and operation of heavy-duty truck engines. Its role in facilitating the addition of oil to the engine ensures proper lubrication, which is essential for the longevity and efficiency of engine components. The tube’s design, featuring high-quality materials and precise threading specifications, ensures durability and reliability. Regular maintenance and proper installation are key to maximizing the benefits of this part, contributing to the overall performance and durability of Cummins engines.