3968988
Oil Gauge Tube
Cummins®

The Cummins 3968988 Oil Gauge Tube is a component designed for use in commercial trucks. It serves a specific function within the engine’s lubrication system, contributing to the overall performance and longevity of the engine. Understanding its purpose and operation is key to maintaining the health and efficiency of commercial vehicles.

Basic Concepts of Oil Gauge Tubes

An oil gauge tube is a part of the engine’s lubrication system that facilitates the monitoring of oil levels and pressure. It acts as a conduit for oil to travel from the engine to the oil gauge, allowing for real-time assessment of the oil’s condition. This monitoring is vital for maintaining optimal engine performance, as it ensures that the engine receives the necessary lubrication to operate efficiently and avoid damage ¹.

Purpose of the Cummins 3968988 Oil Gauge Tube

This Cummins part plays a role in the operation of a truck by assisting in the monitoring of oil levels and pressure within the engine. It provides a direct pathway for oil to reach the gauge, enabling operators to keep track of the oil’s condition. This monitoring helps in identifying potential issues before they escalate, contributing to the engine’s overall performance and durability.

Key Features

The Cummins 3968988 Oil Gauge Tube is characterized by its design and the materials used in its construction. It is engineered to withstand the high temperatures and pressures within an engine, ensuring durability and reliable performance. The tube’s design facilitates easy installation and integration with the engine’s lubrication system, enhancing its functionality.

Benefits

The advantages provided by this Cummins part include improved engine performance through reliable oil level monitoring, enhanced durability due to its robust construction, and the assurance of optimal lubrication for the engine. These benefits contribute to the overall efficiency and longevity of the vehicle.

Installation and Compatibility

Proper installation of the Cummins 3968988 Oil Gauge Tube is crucial for ensuring its effective operation. It is designed to be compatible with specific truck models, and adherence to installation guidelines is necessary to maintain compatibility and ensure the tube functions as intended within the engine’s lubrication system.

Troubleshooting and Maintenance

Common issues related to this Cummins part may include inaccurate oil level readings or leaks. Troubleshooting these issues involves checking the tube for damage, ensuring it is properly installed, and verifying that it is compatible with the engine. Regular maintenance, such as inspecting the tube for wear and ensuring it is securely in place, can help maintain its longevity and optimal performance.

Compatibility of Cummins Oil Gauge Tube (Part 3968988) with Various Engine Models

The Cummins Oil Gauge Tube, identified by the part number 3968988, is designed to fit seamlessly with a variety of Cummins engine models, ensuring accurate oil pressure readings and maintaining engine health. Below is a detailed look at the compatibility of this part with specific engine models.

4B3.9 and 6B5.9 Engines

The 4B3.9 and 6B5.9 engines are part of Cummins’ lineup of diesel engines, known for their robust performance and reliability. The Oil Gauge Tube (3968988) is engineered to fit these engines, providing a precise measurement of oil pressure.

6C8.3 Engine

The 6C8.3 engine is another model where the Oil Gauge Tube (3968988) is a perfect fit. This engine is designed for heavy-duty applications, and the accurate oil pressure readings provided by this part are crucial for maintaining optimal engine performance and longevity.

C GAS PLUS CM556 Engine

The C GAS PLUS CM556 engine is a gas-powered engine that benefits from the precise oil pressure monitoring provided by the Oil Gauge Tube (3968988). This part ensures that the engine operates within safe oil pressure parameters, enhancing its reliability and efficiency.

ISB5.9 CM2880 B127 Engine

The ISB5.9 CM2880 B127 engine is a high-performance diesel engine that requires precise oil pressure monitoring. The Oil Gauge Tube (3968988) is specifically designed to fit this engine, providing accurate readings that help in maintaining the engine’s performance and preventing potential issues.

Role of Part 3968988 Oil Gauge Tube in Engine Systems

The 3968988 Oil Gauge Tube is an essential component in the accurate measurement and monitoring of oil levels within an engine system. This component interfaces directly with the oil level gauge, facilitating the precise transmission of oil level data from the engine’s oil sump to the gauge ².

The oil gauge tube is strategically positioned to ensure it reaches the oil sump, where the engine’s lubrication oil is stored. Its location is vital for the accurate representation of the oil level, as it must be submerged in the oil to provide reliable readings.

The interaction between the oil gauge tube and the oil level gauge is seamless, allowing for real-time monitoring of the oil level. This setup ensures that the oil level gauge displays an accurate reading, which is essential for maintaining optimal engine performance and longevity.

Conclusion

The Cummins Oil Gauge Tube (Part 3968988) is a versatile and essential component that fits a range of Cummins engine models, including the 4B3.9, 6B5.9, 6C8.3, C GAS PLUS CM556, and ISB5.9 CM2880 B127 engines. Its design ensures accurate oil pressure readings, which are critical for the health and performance of these engines. The role of this part in the engine’s lubrication system is significant, as it ensures that the oil level gauge provides accurate and timely information about the engine’s oil levels. This information is vital for the proper maintenance and operation of the engine, helping to prevent issues such as oil starvation or overfilling, both of which can lead to severe engine damage ³.