3945814
Oil Filler Tube
Cummins®

The Oil Filler Tube 3945814, manufactured by Cummins, is a component designed for use in commercial truck engines. It plays a role in the maintenance and operation of these vehicles by facilitating the process of adding oil to the engine. Cummins, a well-established name in the automotive industry, ensures that this part meets the high standards required for commercial applications.

Purpose and Function

The Oil Filler Tube 3945814 is integral to the lubrication system of a truck engine. Its primary role is to provide a pathway for adding oil to the engine, which is vital for the proper lubrication of moving parts. Adequate lubrication reduces friction, wear, and heat, contributing to the overall efficiency and longevity of the engine ¹.

Key Features

This Cummins part is constructed with materials that offer durability and resistance to the harsh conditions within a truck engine. Its design ensures structural integrity, allowing it to withstand the pressures and temperatures associated with engine operation. Unique design elements may include a secure fitting mechanism to prevent oil leaks and a robust construction to endure the rigors of commercial use ².

Benefits

The Oil Filler Tube 3945814 offers several advantages. It is designed for ease of use, allowing for straightforward oil addition during maintenance routines. Its compatibility with Cummins engines ensures seamless integration and optimal performance. Furthermore, by facilitating proper lubrication, this component contributes to engine longevity and maintains performance standards ³.

Installation and Usage

Proper installation of the Oil Filler Tube 3945814 is crucial for its effective function. The installation process should follow manufacturer guidelines to ensure a secure fit and prevent oil leaks. Usage involves carefully adding the recommended type and amount of oil through the tube, adhering to maintenance schedules to keep the engine well-lubricated.

Maintenance and Troubleshooting

Regular maintenance of the Oil Filler Tube 3945814 is important to ensure its longevity and performance. This includes checking for signs of wear or damage, ensuring a tight fit, and cleaning the area around the tube to prevent contamination. Common issues may involve leaks or blockages, which can often be resolved by re-securing the tube or cleaning the fitting area.

Safety Considerations

When working with the Oil Filler Tube 3945814, it is important to observe safety protocols. This includes ensuring the engine is cool before attempting any maintenance, using appropriate personal protective equipment, and following all manufacturer guidelines and safety standards to prevent accidents and ensure a safe working environment.

Compatibility with Cummins Engines

The Oil Filler Tube part number 3945814 is designed to fit a variety of Cummins engines. This part is crucial for the proper functioning of the engine’s lubrication system, ensuring that oil is correctly filled and maintained.

Compatible Engines

ISC Series Engines:

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

ISL Series Engines:

• ISL CM2150
• ISL CM554
• ISL G CM2180
• ISL9 CM2150 SN
• ISL9 CM2250

QSC Series Engines:

• QSC8.3 CM850 (CM2850)

QSL Series Engines:

• QSL8.9 CM2150 L141
• QSL9 CM850 (CM2850)

Other Compatible Engines:

• C GAS PLUS CM556
• L GAS PLUS CM556
• L8.9

This part is engineered to ensure a secure fit and optimal performance across these engine models, providing a reliable solution for maintaining the engine’s lubrication system.

Component Usage

The Oil Filler Tube 3945814 is an essential component in the oil fill arrangement of an engine system. Its primary function is to facilitate the addition of oil to the engine, ensuring that the lubrication system remains adequately filled.

When integrating the Oil Filler Tube with the cylinder block cover, it is important to understand the relationship between these components. The cylinder block cover, often referred to as the valve cover, is designed to protect the internal components of the engine, such as the camshaft, valves, and other moving parts. The Oil Filler Tube is typically mounted on the cylinder block cover, providing a direct pathway for oil to enter the engine’s lubrication system.

The oil fill arrangement, which includes the Oil Filler Tube, is engineered to maintain a consistent oil level within the engine. This arrangement ensures that oil is distributed efficiently to all moving parts, reducing friction and wear. The Oil Filler Tube is usually equipped with a cap or a dipstick mechanism, allowing for easy monitoring and addition of oil as needed.

Conclusion

In summary, the Oil Filler Tube 3945814 plays a significant role in the oil fill arrangement by providing a secure and convenient method for adding oil to the engine, thereby supporting the overall efficiency and longevity of the engine system.