3626621
Scavenge Inlet Tube
Cummins®

The Scavenge Inlet Tube, identified by Part #3626621, is a component manufactured by Cummins, a renowned leader in the automotive and heavy-duty truck industry. This part plays a significant role in the lubrication system of heavy-duty truck engines, contributing to the overall efficiency and longevity of the engine.

Basic Concepts and Functionality

The Scavenge Inlet Tube is integral to the engine’s lubrication system. Its primary function is to facilitate the return of oil from the engine’s crankcase back to the oil sump. This process ensures a continuous supply of oil is available for lubrication, which is vital for the smooth operation of engine components. The tube interacts with various engine parts, including the oil pump and the sump, to maintain an efficient lubrication cycle ¹.

Purpose of the Scavenge Inlet Tube

The Scavenge Inlet Tube serves the purpose of collecting oil that has been used for lubrication and cooling within the engine’s crankcase. It then returns this oil to the oil sump, where it is recirculated through the engine. This function is crucial for maintaining optimal lubrication levels, which in turn helps in reducing wear on moving parts and ensuring the engine operates within its designed parameters ².

Key Features

The design of the Scavenge Inlet Tube incorporates several features that enhance its performance and durability. It is typically constructed from high-quality materials that can withstand the harsh conditions within an engine environment. The tube’s design may include specific contours and connections that ensure a secure fit and efficient oil flow. Additionally, it is engineered to resist corrosion and maintain structural integrity over extended periods of use ³.

Benefits

Incorporating the Scavenge Inlet Tube into an engine’s lubrication system offers several advantages. It contributes to improved engine lubrication by ensuring a consistent supply of oil is available for critical components. This consistent lubrication helps in reducing wear on moving parts, which can lead to enhanced engine performance and longevity. Furthermore, by efficiently returning oil to the sump, the tube aids in maintaining the engine’s cooling system, as oil also plays a role in dissipating heat.

Installation and Compatibility

Proper installation of the Scavenge Inlet Tube is vital for its effective operation. It should be installed according to the manufacturer’s guidelines to ensure it fits securely and functions as intended. Specific requirements or considerations may vary depending on the engine model, so it is important to consult the relevant documentation or a professional technician to ensure compatibility and correct installation.

Maintenance and Troubleshooting

Regular maintenance of the Scavenge Inlet Tube is recommended to ensure it continues to operate effectively. This may include checking for signs of wear or damage, ensuring connections are secure, and verifying that oil flow is not obstructed. Common issues that may arise include blockages or leaks, which can be addressed by cleaning the tube or making necessary repairs. If problems persist, consulting a professional technician is advised.

Cummins: A Brief 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 quality, innovation, and reliability in the automotive industry. The company’s commitment to advancing technology and meeting the needs of its customers is evident in its diverse product range, which includes engines for heavy-duty trucks, among other applications. Cummins’ dedication to excellence is reflected in its products, including the Scavenge Inlet Tube, which is designed to meet the demanding requirements of modern engines.

Cummins Scavenge Inlet Tube Part 3626621 Compatibility

The Cummins Scavenge Inlet Tube part number 3626621 is designed to fit seamlessly with a range of Cummins engines, ensuring optimal performance and reliability. This part is crucial for the engine’s scavenge system, which is responsible for drawing air into the engine’s cylinders.

K19 Engine Family

The K19 engine family, known for its robust design and efficiency, includes several models that are compatible with the Scavenge Inlet Tube part 3626621. This part is engineered to fit perfectly within the architecture of the K19 engines, ensuring that the scavenge system operates smoothly. The K19 engines are widely used in various applications, from industrial machinery to heavy-duty vehicles, and the Scavenge Inlet Tube plays a vital role in maintaining their performance.

Other Cummins Engines

While the Scavenge Inlet Tube part 3626621 is specifically designed for the K19 engine family, it is also compatible with other Cummins engines that share similar scavenge system requirements. These engines benefit from the precise engineering of the part, which helps maintain the integrity of the scavenge system and ensures that the engine operates at peak efficiency.

By ensuring that the Scavenge Inlet Tube part 3626621 is correctly installed, engine owners can expect improved performance, reduced maintenance needs, and enhanced reliability from their Cummins engines.

Role of Part 3626621 Scavenge Inlet Tube in Engine Systems

The 3626621 Scavenge Inlet Tube is an integral component in the efficient operation of engine systems, particularly in the context of the Lubricating Oil Scavenge Pump and Scavenge Plumbing.

In the operation of the Lubricating Oil Scavenge Pump, the Scavenge Inlet Tube facilitates the intake of oil that has been circulated through the engine and is ready for reprocessing. This tube ensures a smooth and uninterrupted flow of used oil from the engine’s various components back to the pump. The consistent flow is essential for the pump’s ability to maintain optimal lubrication levels throughout the engine, thereby enhancing the engine’s performance and longevity.

Within the Scavenge Plumbing system, the 3626621 Scavenge Inlet Tube plays a significant role in directing the flow of scavenged oil. It is positioned to collect oil from different parts of the engine, including the crankcase and other areas where oil may accumulate. The tube’s design and placement are tailored to ensure that oil is efficiently channeled away from these areas, preventing oil buildup which could lead to contamination or reduced engine efficiency.

The integration of the 3626621 Scavenge Inlet Tube within these systems underscores its importance in maintaining the overall health and performance of the engine. By ensuring a reliable pathway for oil return, it supports the Lubricating Oil Scavenge Pump in its function and contributes to the effectiveness of the Scavenge Plumbing in managing oil flow throughout the engine.

Conclusion

The Scavenge Inlet Tube, part number 3626621, is a critical component in the lubrication system of Cummins engines. Its role in facilitating the return of oil to the sump ensures continuous lubrication, reduces wear on engine components, and contributes to the overall efficiency and longevity of the engine. Proper installation, regular maintenance, and understanding its compatibility with various Cummins engine models are essential for maximizing the benefits of this part.