3964047
Oil Control Valve
Cummins®

The Cummins 3964047 Oil Control Valve is a component designed to regulate oil flow within the engine of heavy-duty trucks. Its role is significant in ensuring the engine operates efficiently and maintains optimal performance under various driving conditions.

Basic Concepts of Oil Control Valves

An Oil Control Valve (OCV) is a device that manages the flow of oil to different parts of an engine. It operates by adjusting the oil pressure and flow rate according to the engine’s needs, which helps in maintaining engine performance and efficiency. The OCV is integral to the Variable Valve Timing (VVT) system, allowing the engine to adapt to different operating conditions for better fuel economy and power output ¹.

Purpose of the Cummins 3964047 Oil Control Valve

This Cummins part plays a role in the engine’s operation by regulating oil flow to various engine components. This regulation ensures that the engine receives the appropriate amount of lubrication and cooling, which is vital for its performance and longevity. By controlling oil pressure and flow, the valve contributes to the efficient operation of the VVT system, enhancing the engine’s adaptability to different loads and speeds ².

Key Features

The Cummins 3964047 Oil Control Valve is characterized by its robust design and the use of high-quality materials, which contribute to its durability and performance. Its design allows for precise control of oil flow, and it is built to withstand the harsh conditions typical of heavy-duty truck engines. Unique characteristics may include advanced sealing technologies to prevent leaks and ensure consistent performance over time.

Benefits

Utilizing this part in a truck’s engine system can lead to improved engine performance, enhanced fuel efficiency, and prolonged engine life. By ensuring optimal oil flow and pressure, the valve helps maintain engine components in good condition, reducing wear and tear. This can result in smoother engine operation, better fuel economy, and extended intervals between maintenance checks ³.

Installation and Integration

Proper installation of the 3964047 Oil Control Valve into a truck’s engine system requires careful attention to detail. It is important to follow manufacturer guidelines to ensure the valve is correctly positioned and securely fastened. Preparations may include cleaning the installation area and checking for any obstructions that could affect the valve’s operation. Integration with the engine’s VVT system should be done according to specified procedures to ensure compatibility and optimal performance.

Troubleshooting and Maintenance

Common issues with the Cummins 3964047 Oil Control Valve may include leaks, blockages, or electrical problems. Troubleshooting these issues involves checking for visible signs of damage or wear, ensuring electrical connections are secure, and verifying that the valve operates within specified parameters. Regular maintenance, such as cleaning and inspecting the valve, can help prevent issues and ensure long-term reliability.

Common Failure Modes

Failure modes for the Cummins 3964047 Oil Control Valve can include leaks due to worn seals, blockages from contaminants in the oil, or electrical issues affecting the valve’s operation. Addressing these failure modes may involve replacing seals, cleaning or replacing the valve, or repairing electrical connections. Early detection and correction of these issues are important for maintaining engine performance and preventing more severe problems.

Diagnostic Procedures

Assessing the condition and performance of the Cummins 3964047 Oil Control Valve can involve visual inspections for physical damage, pressure tests to check for leaks or blockages, and electronic diagnostics to ensure the valve is receiving and processing signals correctly. These procedures help in identifying any issues with the valve and determining the appropriate course of action for repair or replacement.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a strong reputation in the industry for quality and innovation, Cummins is committed to providing high-quality automotive components that meet the demanding requirements of heavy-duty applications. The company’s history of excellence and dedication to customer satisfaction underscores its position as a trusted manufacturer in the automotive sector.

Cummins Oil Control Valve 3964047 Compatibility

The Cummins Oil Control Valve part number 3964047 is designed to fit a variety of Cummins engines, ensuring optimal oil flow and pressure management. Here is a detailed look at the engines this part is compatible with:

4B3.9 and 6B5.9 Engines

The 4B3.9 and 6B5.9 engines benefit from the 3964047 Oil Control Valve. This part is engineered to maintain the precise oil pressure needed for these engines, ensuring smooth operation and longevity.

6C8.3 and B4.5 Engines

Similarly, the 6C8.3 and B4.5 engines are compatible with the 3964047 Oil Control Valve. This valve helps in regulating the oil flow, which is crucial for the performance and efficiency of these engines.

L8.9 CM2670 L134C

The L8.9 CM2670 L134C engine also utilizes the 3964047 Oil Control Valve. This part is integral in managing the oil pressure, ensuring that the engine operates within its optimal parameters.

QSB3.9 30 CM550 and QSB4.5 CM850 (CM2850)

The QSB3.9 30 CM550 and QSB4.5 CM850 (CM2850) engines are designed to work with the 3964047 Oil Control Valve. This component is essential for maintaining the correct oil pressure, which is vital for the engine’s performance and durability.

QSB5.9 30 CM550 and QSB6.7 Series

The QSB5.9 30 CM550, QSB6.7 CM2250, QSB6.7 CM2350 B105, and QSB6.7 CM850 (CM2850) engines all require the 3964047 Oil Control Valve. This part ensures that the oil pressure is correctly managed, which is crucial for the efficient operation of these engines.

QSB7 CM2880 B117

The QSB7 CM2880 B117 engine is another model that is compatible with the 3964047 Oil Control Valve. This valve is essential for maintaining the proper oil pressure, contributing to the engine’s overall performance and longevity.

QSL9 CM2350 L102

Lastly, the QSL9 CM2350 L102 engine also fits the 3964047 Oil Control Valve. This part is crucial for regulating the oil pressure, ensuring that the engine operates smoothly and efficiently.

Role of Part 3964047 Oil Control Valve in Engine Systems

This part is integral to the efficient operation of various engine systems, particularly in managing oil flow and pressure. This component works in conjunction with several key systems to ensure optimal engine performance and longevity.

Integration with Drain Systems

In engine systems equipped with oil drains, the 3964047 Oil Control Valve regulates the flow of oil to and from the drain. By controlling the oil pressure and flow rate, it ensures that the drain system operates efficiently, preventing oil starvation or over-pressurization. This regulation is essential for maintaining consistent lubrication across all moving parts, which is vital for reducing wear and tear.

Functionality in Remote Oil Systems

For engines with remote oil systems, the 3964047 Oil Control Valve plays a significant role in managing the oil supply to distant components. It ensures that oil is delivered at the correct pressure and volume, even to parts that are not directly connected to the main oil pump. This is particularly important in high-performance or large-scale engines where components may be spread out over a considerable distance. The valve’s precise control helps in maintaining uniform lubrication, which is essential for the reliable operation of remote components such as turbochargers, aftercoolers, or auxiliary gearboxes.

Enhanced System Performance

By integrating the 3964047 Oil Control Valve into these systems, engineers and mechanics can achieve better overall engine performance. The valve’s ability to fine-tune oil distribution ensures that all engine components receive the necessary lubrication, leading to smoother operation, reduced friction, and enhanced durability. Additionally, it aids in thermal management by ensuring that heat-sensitive parts receive adequate cooling, thereby prolonging their operational life.

Conclusion

In summary, the 3964047 Oil Control Valve is a key component in the orchestration of oil flow within engine systems, particularly when dealing with drains and remote oil applications. Its role in regulating oil pressure and flow is indispensable for the efficient and reliable operation of modern engines.