3673694
Lubricating Oil Suction Tube
Cummins®

The Lubricating Oil Suction Tube, identified by Part #3673694, is a component manufactured by Cummins, a renowned name in the automotive and heavy-duty truck industry. This tube plays a role in the engine lubrication system by ensuring that oil is efficiently drawn from the oil pan and circulated throughout the engine to maintain optimal performance and longevity of engine components ¹.

Function and Operation

The Lubricating Oil Suction Tube operates as a conduit within the engine lubrication system. Its role is to facilitate the smooth and consistent flow of oil from the oil pan to the engine’s lubrication points. By ensuring a steady supply of oil, the tube contributes to the maintenance of optimal engine performance, reducing friction between moving parts, and dissipating heat generated during operation. This consistent oil circulation is fundamental to the engine’s efficiency and durability ².

Key Features

The design and construction of the Lubricating Oil Suction Tube are tailored to enhance its functionality and durability. Crafted from high-quality materials, the tube is built to withstand the harsh conditions within the engine compartment. Its structural integrity ensures reliable performance under pressure and temperature fluctuations. Unique design elements, such as reinforced connections and precise engineering, further enhance the tube’s ability to maintain a consistent oil flow, contributing to the overall efficiency of the engine lubrication system ³.

Benefits

The Lubricating Oil Suction Tube offers several advantages that contribute to improved engine performance and longevity. By ensuring a consistent supply of oil to critical engine components, it helps reduce wear and tear, enhancing the engine’s efficiency and reliability. The tube’s design and construction also contribute to maintaining optimal engine lubrication, which is vital for the engine’s overall health and performance ¹.

Installation and Compatibility

Proper installation of the Lubricating Oil Suction Tube is important for ensuring its effective operation within the engine lubrication system. Compatibility with various engine models is a key consideration, as it ensures that the tube can be seamlessly integrated into different engine configurations. Specific installation requirements and considerations may vary depending on the engine model, highlighting the importance of following manufacturer guidelines for optimal performance and compatibility ⁴.

Maintenance and Troubleshooting

Regular maintenance of the Lubricating Oil Suction Tube is important for ensuring its continued optimal performance. This includes routine inspections for signs of wear or damage, cleaning to remove any contaminants that may affect oil flow, and replacement when necessary. Troubleshooting common issues, such as leaks or blockages, involves identifying the root cause and addressing it effectively to restore the tube’s functionality and ensure the engine lubrication system operates efficiently ².

Cummins Overview

Cummins is a distinguished manufacturer in the automotive and heavy-duty truck industry, known for its commitment to producing high-quality components. With a rich history and a solid reputation for excellence, Cummins has established itself as a leader in the field. The company’s dedication to innovation, quality, and customer satisfaction is evident in its wide range of products, including the Lubricating Oil Suction Tube, which exemplifies Cummins’ expertise and commitment to enhancing engine performance and reliability ³.

Compatibility of Cummins Lubricating Oil Suction Tube Part 3673694

The Cummins part number 3673694, a Lubricating Oil Suction Tube, is designed to fit seamlessly into several engine models. This part is integral to the engine’s lubrication system, ensuring that oil is efficiently drawn from the oil pan to the oil pump.

Compatible Engines

• 4B3.9 and B4.5 Engines

  The 3673694 oil suction tube is specifically engineered to fit the 4B3.9 and B4.5 engines. These engines are known for their reliability and efficiency, and the oil suction tube plays a role in maintaining their performance by ensuring a steady flow of oil to the engine’s moving parts.

• QSB3.9 and 30 CM550 Engines

  The same part number, 3673694, is also compatible with the QSB3.9 and 30 CM550 engines. These engines are part of Cummins’ robust lineup, designed for heavy-duty applications. The oil suction tube’s design ensures that these engines receive the necessary lubrication, even under demanding conditions.

Installation and Usage

When installing the 3673694 oil suction tube, it is important to follow the manufacturer’s guidelines to ensure a proper fit and function. This part is important for maintaining the engine’s health, as it prevents oil starvation, which can lead to engine damage. Regular inspection and replacement of the oil suction tube, as needed, are recommended to maintain optimal engine performance ⁴.

Role of Part 3673694 Lubricating Oil Suction Tube in Engine Systems

The lubricating oil suction tube, part 3673694, is integral to the efficient operation of engine systems by facilitating the smooth transfer of oil from the oil pan to the engine’s lubrication system. This component is designed to draw oil from the oil pan, where it is stored, and direct it towards the oil pump.

Once the oil is within the suction tube, it is pumped through the engine’s lubrication circuits. These circuits include the crankshaft, camshaft, valve train, and other moving parts that require consistent lubrication to operate effectively and prolong their service life.

The suction tube’s design ensures minimal turbulence and resistance, allowing for a steady flow of oil. This consistent flow is essential for maintaining the proper pressure levels within the lubrication system, which is monitored by the oil pressure sensor. Adequate oil pressure is necessary to ensure that all engine components receive the lubrication they need to function smoothly and reduce wear.

Conclusion

In summary, part 3673694 plays a role in the lubrication process by efficiently transporting oil from the oil pan to the pump, thereby supporting the overall health and performance of the engine system. Regular maintenance and proper installation are key to ensuring the continued efficiency and reliability of this Cummins part ¹²³⁴.