3971983
Lubricating Oil Suction Tube
Cummins®

Introduction

The Lubricating Oil Suction Tube, identified by part number 3971983, is a component manufactured by Cummins, a well-established name in the automotive industry. This tube is integral to the lubrication system of heavy-duty trucks, ensuring that engines receive the necessary lubrication for optimal performance and longevity.

Basic Concepts of Lubricating Oil Suction Tubes

Lubricating oil suction tubes are designed to draw oil from the sump or oil pan and deliver it to the engine’s lubrication system. This process is vital for maintaining the engine’s moving parts, reducing friction, and dissipating heat ¹. The efficient operation of these tubes ensures that oil is consistently circulated throughout the engine, which is crucial for engine health and performance.

Purpose and Role in Truck Operation

The 3971983 Lubricating Oil Suction Tube serves a specific function within heavy-duty truck engines. It facilitates the smooth and reliable transfer of oil from the sump to the engine’s lubrication system. This ensures that all moving parts are adequately lubricated, which contributes to the engine’s overall operation and performance. Proper lubrication is key to minimizing wear and tear, enhancing engine efficiency, and ensuring the truck operates under various conditions without compromising performance ².

Key Features

The 3971983 Lubricating Oil Suction Tube is characterized by several design elements and materials that enhance its functionality and durability. It is constructed from high-quality materials to withstand the harsh conditions within an engine environment. The design includes features that ensure a secure fit and efficient oil flow, contributing to the tube’s reliability and longevity.

Benefits

The advantages of the 3971983 Lubricating Oil Suction Tube include improved lubrication efficiency, which leads to enhanced engine protection. By ensuring a consistent supply of oil to the engine’s critical components, this tube plays a role in maintaining engine health and performance. Additionally, efficient lubrication can contribute to better fuel economy and reduced emissions, aligning with the goals of improving vehicle efficiency and environmental impact.

Installation and Compatibility

Proper installation of the 3971983 Lubricating Oil Suction Tube is important for its effective operation. Installation procedures should follow manufacturer guidelines to ensure a secure and efficient fit. This tube is compatible with various Cummins engine models, making it a versatile component for fleet management and maintenance. When installing or replacing this tube, it is important to consider the specific requirements of the engine model to ensure compatibility and optimal performance.

Maintenance and Troubleshooting

Routine maintenance practices are recommended to ensure the optimal performance of the 3971983 Lubricating Oil Suction Tube. Regular inspections can help identify potential issues before they become problematic. Common maintenance tasks include checking for leaks, ensuring secure connections, and verifying that the tube is free from obstructions. Troubleshooting tips for common issues, such as oil flow problems or leaks, can help maintain the tube’s efficiency and longevity. Preventive measures, such as using the correct oil grade and maintaining proper oil levels, also contribute to the tube’s performance and durability.

Cummins: A Brief Overview

Cummins Inc. is a leader in the automotive industry, known for its commitment to innovation and quality in manufacturing automotive components. With a rich history and a reputation for excellence, Cummins has established itself as a trusted provider of engine parts and systems. The company’s dedication to advancing technology and improving engine performance is evident in its wide range of products, including the 3971983 Lubricating Oil Suction Tube. Cummins’ focus on quality and innovation ensures that its components meet the high standards required for heavy-duty applications.

Compatibility of Lubricating Oil Suction Tube Part 3971983 with Cummins Engines

The Cummins part number 3971983, which is a Lubricating Oil Suction Tube, is designed to fit several models of Cummins engines. This part is crucial for the proper functioning of the engine’s lubrication system, ensuring that oil is effectively drawn from the oil pan and circulated throughout the engine.

QSB5.9 CM850

The 3971983 part is compatible with the QSB5.9 CM850 engine. This model is known for its reliability and efficiency, making it a popular choice for various applications.

QSB6.7 Series

• QSB6.7 CM2250
• QSB6.7 CM2350 B105
• QSB6.7 CM850 (CM2850)
• QSB6.7 M CM2250

The 3971983 part is also compatible with the QSB6.7 series engines. This series includes the CM2250, CM2350 B105, CM850 (CM2850), and M CM2250 models. These engines are known for their robust performance and are widely used in heavy-duty applications.

Application Considerations

When installing the 3971983 Lubricating Oil Suction Tube, it is essential to ensure that the part is correctly aligned and securely fastened. Proper installation is critical to avoid oil leaks and ensure the longevity of the engine. Always refer to the engine’s service manual for specific installation instructions and torque specifications.

Role of Part 3971983 Lubricating Oil Suction Tube in Engine Systems

The lubricating oil suction tube, identified by part number 3971983, is an integral component in the lubrication system of an engine. Its primary function is to facilitate the smooth and efficient transfer of oil from the oil pan to the engine’s lubrication system.

Integration with the Oil Pan

The oil pan serves as the reservoir for the engine’s lubricating oil. Positioned at the bottom of the engine, it collects oil that has circulated through the engine and provides a stable supply for the lubrication system. The lubricating oil suction tube is strategically connected to the oil pan. This connection ensures that the tube can draw oil directly from the pan, maintaining a consistent oil level for the engine’s needs.

Oil Flow Dynamics

As the engine operates, the suction tube draws oil from the pan and delivers it to the oil pump. The oil pump then pressurizes the oil and distributes it throughout the engine to lubricate moving parts, reduce friction, and dissipate heat. The efficiency of this process is heavily reliant on the suction tube’s ability to maintain a steady oil flow.

System Reliability

The consistent and reliable operation of the lubricating oil suction tube is essential for the overall health of the engine. It ensures that all moving parts receive the necessary lubrication, which is vital for preventing wear and tear, maintaining performance, and extending the engine’s lifespan.

Conclusion

In summary, part 3971983 plays a significant role in the engine’s lubrication system by ensuring a steady supply of oil is available for the pump, which in turn maintains the engine’s operational efficiency and longevity.