3974254
Oil Gauge Tube
Cummins®

The Oil Level Gauge Tube 3974254, manufactured by Cummins, is designed to monitor oil levels within heavy-duty truck engines. This component ensures the engine operates under optimal conditions by providing accurate oil level readings. Cummins is renowned for producing reliable and high-performance parts in the automotive and heavy-duty truck industry.

Function and Operation

The Oil Level Gauge Tube 3974254 operates through a float mechanism within the tube that responds to the oil level in the engine. As the oil level changes, the float moves, transmitting this movement via a mechanical linkage to the gauge on the vehicle’s dashboard. This system enables real-time monitoring of the oil level, ensuring the engine is neither overfilled nor underfilled, which could result in performance issues or damage ¹.

Key Features

This Cummins part is constructed from high-quality materials, ensuring durability and resistance to the harsh conditions within an engine compartment. Its design includes a robust housing that protects the internal components from damage. The gauge tube features precise calibration for accurate oil level readings and is designed for easy installation and maintenance.

Benefits of Using Oil Level Gauge Tube 3974254

Utilizing the Oil Level Gauge Tube 3974254 provides several advantages. It offers accurate oil level readings, which are essential for maintaining engine health. Proper oil levels contribute to engine longevity by ensuring optimal lubrication and cooling. Additionally, the gauge tube facilitates routine maintenance checks, allowing for timely oil changes and preventing engine damage due to low oil levels ².

Installation and Compatibility

For the proper installation of the Oil Level Gauge Tube 3974254, it is crucial to follow manufacturer guidelines to ensure it is correctly positioned and secured within the engine system. This component is designed to be compatible with a range of Cummins engines, ensuring a fit that meets the specific requirements of each engine model. It is also engineered to work seamlessly with other engine components, maintaining the integrity of the engine’s oil system.

Maintenance and Troubleshooting

Regular maintenance of the Oil Level Gauge Tube 3974254 is recommended to ensure its optimal performance. This includes checking for any signs of wear or damage and ensuring that the gauge is providing accurate readings. Common issues may include inaccurate readings or gauge malfunction, which can often be resolved by inspecting the float mechanism and linkages for obstructions or damage.

Safety Considerations

When working with the Oil Level Gauge Tube 3974254, it is important to observe safety practices. This includes ensuring the engine is cool before beginning any work and using appropriate personal protective equipment. Care should be taken during installation or maintenance to avoid contact with hot engine components and to ensure that the gauge tube is securely installed to prevent oil leaks.

Cummins Corporation Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a reputation for innovation, quality, and reliability in the automotive and heavy-duty truck industry. The company’s product range includes a variety of engines and components designed to meet the demanding requirements of modern transportation and power generation needs.

Cummins Oil Level Gauge Tube (Part 3974254) Compatibility

The Cummins Oil Level Gauge Tube, identified as part number 3974254, is a critical component in the engine’s oil management system. This part is designed to provide an accurate reading of the oil level, ensuring that the engine operates within optimal parameters. Below is a detailed description of the compatibility of this part with various Cummins engines:

ISC Series Engines

• ISC CM2150
• ISC CM554
• ISC CM850
• ISC8.3 CM2250

The ISC series engines, including the ISC CM2150, ISC CM554, ISC CM850, and ISC8.3 CM2250, are designed for a range of applications, from light-duty to medium-duty use. The Oil Level Gauge Tube (3974254) is compatible with these engines, ensuring precise oil level monitoring.

ISB Series Engines

• ISB CM2150
• ISB/ISD6.7 CM2150 SN
• ISB6.7 CM2250
• ISB6.7 CM2350 B101
• ISB6.7 G CM2180 B118
• ISBE CM2150
• ISBE4 CM850
• QSB6.7 CM2250
• QSB6.7 CM2350 B105
• QSB6.7 CM850 (CM2850)
• QSB7 CM2880 B117

The ISB series engines, such as the ISB CM2150, ISB/ISD6.7 CM2150 SN, ISB6.7 CM2250, ISB6.7 CM2350 B101, ISB6.7 G CM2180 B118, ISBE CM2150, ISBE4 CM850, QSB6.7 CM2250, QSB6.7 CM2350 B105, QSB6.7 CM850 (CM2850), and QSB7 CM2880 B117, are known for their robust performance and reliability. The Oil Level Gauge Tube (3974254) is engineered to fit these engines, providing essential oil level readings for maintenance and operational efficiency.

ISL Series Engines

• ISL CM2150
• ISL G CM2180
• ISL9 CM2150 SN
• ISL9 CM2250

The ISL series engines, including the ISL CM2150, ISL G CM2180, ISL9 CM2150 SN, and ISL9 CM2250, are designed for heavy-duty applications. The Oil Level Gauge Tube (3974254) is compatible with these engines, ensuring that operators can maintain optimal oil levels for peak performance.

QSC Series Engines

• QSC8.3 CM554
• QSC8.3 CM850 (CM2850)
• QSC9 CM2250/QSL9 CM2250

The QSC series engines, such as the QSC8.3 CM554, QSC8.3 CM850 (CM2850), and QSC9 CM2250/QSL9 CM2250, are engineered for specific applications requiring high power and efficiency. The Oil Level Gauge Tube (3974254) is designed to fit these engines, providing accurate oil level monitoring.

QSL Series Engines

• QSL8.9 CM2150 L141

The QSL series engine, specifically the QSL8.9 CM2150 L141, is designed for specialized applications. The Oil Level Gauge Tube (3974254) is compatible with this engine, ensuring that operators can maintain optimal oil levels for reliable performance.

L GAS PLUS Series Engines

• L GAS PLUS CM556

The L GAS PLUS series engine, identified as L GAS PLUS CM556, is designed for natural gas applications. The Oil Level Gauge Tube (3974254) is compatible with this engine, ensuring accurate oil level readings for maintenance and operational efficiency.

This comprehensive compatibility ensures that the Oil Level Gauge Tube (3974254) can be used across a wide range of Cummins engines, providing essential oil level monitoring for optimal engine performance.

Conclusion

The Oil Level Gauge Tube 3974254 is an integral component in the accurate measurement and monitoring of oil levels within an engine system. This tube facilitates the passage of the dipstick, which is inserted into the tube to gauge the oil level. The gauge, often connected to or influenced by the tube, provides a visual or digital readout of the oil level, ensuring that it remains within the optimal range for engine performance and longevity.

The interaction between the Oil Level Gauge Tube and the dipstick is seamless; the tube acts as a conduit, allowing the dipstick to reach the oil reservoir without contamination from external elements. Once the dipstick is withdrawn, the oil level can be assessed either directly by the mechanic or indirectly through the gauge, which may be mechanically or electronically linked to the dipstick’s position or the oil level within the tube.

The accuracy of the oil level reading is paramount, as it informs the mechanic or engineer of the engine’s lubrication status. Insufficient oil can lead to increased friction and wear, while overfilling can cause aeration of the oil, reducing its lubricating properties and potentially leading to engine damage. The Oil Level Gauge Tube, therefore, plays a significant role in maintaining the engine’s health by providing a reliable means to monitor and maintain the correct oil level ³.