3943346
Oil Gauge Tube
Cummins®

The Cummins 3943346 Oil Gauge Tube is designed to facilitate the accurate measurement of oil levels within the engine of commercial trucks. This component ensures the engine operates efficiently and remains well-maintained, contributing to the overall performance and longevity of the vehicle.

Basic Concepts of Oil Gauge Tubes

An oil gauge tube allows for the measurement of oil levels within an engine by providing a pathway for oil to travel from the engine’s oil pan to the oil gauge, where the level can be observed. This measurement is vital for monitoring the engine’s lubrication system, ensuring that there is sufficient oil to prevent damage from friction and overheating ¹.

Purpose of the Cummins 3943346 Oil Gauge Tube

This Cummins part enables precise oil level measurement, assisting in maintaining the correct oil level necessary for the engine’s lubrication system to function effectively. Accurate oil level readings help in timely oil changes and prevent engine wear due to insufficient lubrication ².

Key Features

The Cummins 3943346 Oil Gauge Tube is characterized by its robust design and the materials used in its construction, which are chosen for their durability and resistance to the harsh conditions within an engine. Unique attributes of this component may include a precise fitting to ensure accurate oil level readings and a construction that withstands high temperatures and pressures.

Benefits

Using the Cummins 3943346 Oil Gauge Tube offers several advantages, including enhanced accuracy in oil level readings, which is crucial for maintaining engine health. Its durable construction ensures long-term reliability, reducing the need for frequent replacements. Additionally, the component’s design contributes to the overall efficiency of the engine’s lubrication system ³.

Installation Process

Installing the Cummins 3943346 Oil Gauge Tube requires following a specific procedure to ensure proper function and safety. The process involves securing the tube in place within the engine, connecting it to the oil gauge, and ensuring all connections are tight to prevent leaks. Tools and equipment necessary for installation may include wrenches and sealant, and safety precautions should be observed to protect against injury and ensure the engine’s integrity.

Maintenance Tips

To ensure the optimal performance of the Cummins 3943346 Oil Gauge Tube, regular maintenance is recommended. This includes inspecting the tube for signs of wear or damage, cleaning it to remove any debris that could affect readings, and checking connections for tightness. Replacement should be considered if the tube shows significant wear or if oil level readings become inconsistent.

Troubleshooting Common Issues

Common issues with the Cummins 3943346 Oil Gauge Tube may include inaccurate oil level readings or leaks. Troubleshooting these problems involves checking the tube for blockages or damage, ensuring all connections are secure, and verifying that the oil gauge is functioning correctly. Addressing these issues promptly can help maintain the engine’s performance and prevent more serious problems.

Cummins Overview

Cummins Inc. is a renowned manufacturer of diesel engines and related technologies, with a history of innovation and quality in the industry. The company’s reputation for reliability and performance underscores the quality of components like the 3943346 Oil Gauge Tube, reflecting Cummins’ commitment to excellence in engine technology.

Cummins Oil Gauge Tube 3943346 Compatibility

The Cummins Oil Gauge Tube part number 3943346 is designed to fit a variety of Cummins engines. This part is essential for monitoring the oil level in the engine, ensuring that the oil remains within the optimal range for engine health and performance.

Compatible Engines

The Oil Gauge Tube 3943346 is compatible with the following Cummins engines:

• 6B5.9
• 6C8.3
• B5.9 G
• B5.9 GAS PLUS CM556
• C8.3 G
• ISB CM550
• ISB CM850
• QSB5.9 44 CM550
• QSB5.9 CM850

Grouping of Compatible Engines

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

• 6B5.9 and 6C8.3: These engines are part of the early Cummins engine lineup, known for their robust design and reliability.
• B5.9 G and B5.9 GAS PLUS CM556: These engines are part of the B series, offering a balance of power and efficiency.
• C8.3 G: This engine is part of the C series, recognized for its performance and durability.
• ISB CM550 and ISB CM850: These engines belong to the ISB series, which is known for its versatility and high performance across various applications.
• QSB5.9 44 CM550 and QSB5.9 CM850: These engines are part of the QSB series, designed for heavy-duty applications with enhanced durability and power.

This compatibility ensures that the Oil Gauge Tube 3943346 can be used across a wide range of Cummins engines, providing a reliable method for oil level monitoring.

Role of Part 3943346 Oil Gauge Tube in Engine Systems

The 3943346 Oil Gauge Tube is an integral component in the accurate measurement and monitoring of oil levels within various engine systems. This tube facilitates the connection between the breather and the crankcase, ensuring that the oil level gauge receives precise readings of the oil level within the system.

In the breather system, the Oil Gauge Tube allows for the release of pressure and contaminants from the crankcase, maintaining a stable environment for the oil. This is essential for the longevity and efficiency of the engine, as it prevents the buildup of harmful substances that could otherwise degrade oil quality and engine performance.

Within the crankcase, the Oil Gauge Tube plays a significant role by providing a direct pathway for the oil level to be assessed. This ensures that the oil level gauge can offer real-time data on the quantity of oil present, allowing for timely top-ups or changes as necessary.

The integration of the Oil Gauge Tube with the oil level gauge is particularly noteworthy. It ensures that the gauge provides accurate and reliable readings, which are vital for the maintenance of optimal oil levels. This, in turn, supports the engine’s lubrication system, reducing wear and tear on moving parts and enhancing overall engine efficiency.

Conclusion

In summary, the 3943346 Oil Gauge Tube is a key component in the intricate network of parts that maintain and monitor oil levels within engine systems. Its role in connecting and facilitating accurate measurements between the breather, crankcase, and oil level gauge underscores its importance in the maintenance and performance of engine systems.