4003960
Lubricating Oil Pump Body
Cummins®

Introduction

The Lubricating Oil Pump Body is a vital component within the engine system, playing a role in maintaining engine performance and longevity. This part is responsible for ensuring that oil is circulated throughout the engine, providing necessary lubrication to moving parts, reducing friction, and contributing to the overall efficiency and durability of the engine ¹.

Basic Concepts of Lubricating Oil Pump Body

The operation of a Lubricating Oil Pump Body is grounded in fundamental principles of fluid dynamics and mechanical engineering. Its primary function within the lubrication system is to draw oil from the sump and deliver it under pressure to various engine components. There are different types of pumps used in this system, including gear pumps and rotor pumps, each designed to maintain a consistent oil flow. The importance of consistent oil flow cannot be overstated, as it ensures that all engine parts receive adequate lubrication, which is important for minimizing wear and maintaining optimal engine operation ².

Purpose of the 4003960 Lubricating Oil Pump Body

The 4003960 Lubricating Oil Pump Body is specifically designed to enhance the lubrication process in truck engines. By ensuring a steady supply of oil to critical engine components, it plays a role in reducing friction between moving parts. This reduction in friction not only helps in maintaining engine efficiency but also supports overall engine health by preventing excessive wear and tear.

Key Features

The 4003960 Lubricating Oil Pump Body is characterized by several key features that enhance its performance and durability. Its design incorporates high-quality materials that are resistant to wear and corrosion, ensuring longevity even in demanding conditions. Additionally, unique characteristics such as precision engineering and robust construction contribute to its reliable operation in heavy-duty applications.

Benefits

The advantages provided by the 4003960 Lubricating Oil Pump Body are manifold. Improved engine efficiency is one of the primary benefits, as consistent lubrication reduces friction and allows the engine to operate more smoothly. Reduced wear and tear on engine components lead to extended engine life, while enhanced reliability ensures that the pump body can withstand the rigors of heavy-duty use.

Installation Process

Proper installation of the 4003960 Lubricating Oil Pump Body is crucial for ensuring optimal performance. The process involves several steps, including preparing the engine compartment, aligning the pump body with the oil passages, and securing it in place with the appropriate fasteners. Necessary tools such as wrenches and torque wrenches should be used, and precautions like checking for proper alignment and ensuring all connections are tight should be observed. Following best practices during installation will help in achieving the desired performance and longevity of the pump body.

Troubleshooting Common Issues

Common problems associated with the Lubricating Oil Pump Body may include leaks, unusual noise, or inadequate oil pressure. Troubleshooting these issues involves a systematic approach: checking for loose connections or damaged seals in the case of leaks, inspecting the pump for wear or damage if noise is detected, and verifying oil flow and pressure levels to address inadequate oil pressure. Suggested solutions may range from tightening connections and replacing seals to more comprehensive repairs or replacements of the pump body.

Maintenance Tips

Regular maintenance practices are essential for prolonging the life of the 4003960 Lubricating Oil Pump Body. Inspection intervals should be established to check for signs of wear, leaks, or damage. Cleaning procedures, such as flushing the lubrication system to remove contaminants, should be performed as recommended. Knowing when to consider replacement is also important; signs such as consistent oil pressure issues or visible damage may indicate the need for a new pump body.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emission solutions. With a strong reputation in the commercial truck industry, Cummins is known for its commitment to quality, innovation, and customer satisfaction. The 4003960 Lubricating Oil Pump Body is a testament to Cummins’ dedication to providing reliable and high-performance components for the automotive and heavy-duty truck markets.

Lubricating Oil Pump Body (Part 4003960) Compatibility with Cummins Engines

The Cummins Lubricating Oil Pump Body, part number 4003960, is designed to ensure efficient oil circulation within the engine. This part is compatible with a range of Cummins engines, each tailored for specific applications and performance needs. Below is a detailed overview of the engines with which this part is compatible:

ISM Series Engines

• ISM CM570
• ISM CM570/870
• ISM CM876
• ISM11 CM876 SN

The ISM series engines are known for their robust performance and reliability, making them suitable for heavy-duty applications. The lubricating oil pump body part 4003960 is engineered to fit seamlessly within these engines, ensuring optimal oil flow and pressure, which is crucial for maintaining engine health and longevity.

L10 Series Engines

• L10 CELECT
• L10 GAS
• L10 MECHANICAL

The L10 series engines are designed for a variety of applications, from on-highway to off-highway use. The lubricating oil pump body part 4003960 is compatible with all variants of the L10 series, providing a reliable solution for oil distribution across these engines. This ensures that the engine components receive the necessary lubrication, regardless of the specific application.

M11 Series Engines

• M11 CELECT
• M11 CELECT PLUS
• M11 MECHANICAL

The M11 series engines are known for their versatility and efficiency. The lubricating oil pump body part 4003960 is designed to fit these engines, ensuring that the oil pump operates efficiently under various conditions. This compatibility is crucial for maintaining the performance and reliability of the M11 engines.

QSM11 Series Engines

• QSM11 CM570
• QSM11 CM876

The QSM11 series engines are engineered for high-performance applications, often found in demanding environments. The lubricating oil pump body part 4003960 is compatible with these engines, providing the necessary oil flow and pressure to keep the engine running smoothly and efficiently.

By ensuring that the lubricating oil pump body part 4003960 is compatible with a wide range of Cummins engines, it allows for a standardized solution across different engine models. This compatibility simplifies maintenance and repair processes, making it easier for technicians to service these engines effectively.

Role of Part 4003960 Lubricating Oil Pump Body in Engine Systems

The lubricating oil pump body, identified by part number 4003960, is an integral component within the engine’s lubrication system. It houses the lubricating oil pump, which is responsible for circulating oil throughout the engine to reduce friction and wear between moving parts.

When the engine is running, the lubricating oil pump draws oil from the oil pan and pressurizes it before distributing it to various engine components. The lubricating oil pump body ensures that the pump is securely mounted and aligned within the cylinder block or cylinder block kit. This alignment is essential for the efficient operation of the pump and the consistent delivery of oil to critical engine parts.

The lubricating oil, once pressurized, flows through passages within the cylinder block to reach bearings, pistons, and other components that require lubrication. The pump body’s design facilitates the smooth transition of oil from the pump to these passages, ensuring that all moving parts receive adequate lubrication.

Conclusion

In summary, the lubricating oil pump body plays a role in maintaining the health and performance of the engine by ensuring the reliable operation of the lubricating oil pump and the effective distribution of oil throughout the engine system. Proper installation, regular maintenance, and understanding its compatibility with various Cummins engines are crucial for maximizing the benefits of this part.