4965120
v Band Clamp
Cummins®

Introduction

The Cummins 4965120 V-Band Clamp is a specialized component designed for use in commercial truck operations. Its purpose is to provide a secure and reliable connection between various parts of the truck’s exhaust and intake systems. The significance of this clamp lies in its ability to maintain system integrity, ensuring efficient operation and reducing the risk of leaks that could affect performance and emissions ¹.

Basic Concepts of V-Band Clamps

V-Band Clamps are a type of fastening device used to connect two flanged components. They operate by using a band that wraps around the flanges and a pull-tab mechanism to draw the flanges together, creating a tight seal. These clamps are widely used in industrial and automotive applications due to their ease of installation, durability, and effectiveness in sealing high-pressure and high-temperature systems ².

Purpose of the 4965120 V-Band Clamp

The Cummins 4965120 V-Band Clamp plays a role in the operation of a truck by securing connections in the exhaust and intake systems. Its specific applications include joining pipes, mufflers, and catalytic converters. The clamp is important for maintaining system integrity, ensuring that the connections remain sealed under various operating conditions, which helps in preserving the efficiency and performance of the truck.

Key Features

The Cummins 4965120 V-Band Clamp features a stainless steel construction, which provides durability and resistance to corrosion. Its design includes a V-shaped band that evenly distributes clamping force across the flanges, enhancing the seal. Additionally, the clamp incorporates a pull-tab mechanism that allows for easy installation and removal, making it a practical choice for maintenance and repair tasks.

Benefits

The Cummins 4965120 V-Band Clamp offers several benefits, including improved sealing compared to traditional clamping methods. Its design ensures a consistent and reliable connection, reducing the likelihood of leaks. The ease of installation is another advantage, as the pull-tab mechanism allows for quick and efficient assembly. Furthermore, the clamp’s durability ensures long-term performance, contributing to the overall reliability of the truck’s exhaust and intake systems.

Installation Process

To install the Cummins 4965120 V-Band Clamp, first, ensure that the flanges are clean and free of debris. Position the clamp around the flanges, ensuring that the V-shaped band is correctly aligned. Use the pull-tab to draw the flanges together, tightening the clamp until the desired tension is achieved. Tools required for installation include a wrench for the pull-tab and possibly a torque wrench to ensure proper tension. Following these steps will help ensure optimal performance of the clamp.

Troubleshooting Common Issues

Common issues with the Cummins 4965120 V-Band Clamp may include leaks or improper sealing. To address these problems, first, inspect the clamp for any signs of damage or wear. Ensure that the flanges are clean and properly aligned. If leaks persist, the clamp may need to be re-tightened or replaced. Regular inspection and maintenance can help prevent these issues.

Maintenance Tips

To ensure the longevity and consistent performance of the Cummins 4965120 V-Band Clamp, regular maintenance is recommended. Inspect the clamp periodically for signs of wear or damage. Clean the flanges and the clamp as needed to remove any debris or corrosion. Following these maintenance tips will help maintain the integrity of the connections and the overall performance of the truck’s exhaust and intake systems.

Compatibility and Applications

The Cummins 4965120 V-Band Clamp is designed for use in various commercial truck systems, particularly within the exhaust and intake systems. It is compatible with standard flanged components commonly found in these systems. Ensuring compatibility with the specific components in use is important for optimal performance and reliability.

Cummins Corporation Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration systems, and related technologies. With a history spanning over a century, Cummins has established a reputation for quality, innovation, and reliability in the commercial truck industry. The company’s extensive product range and commitment to customer satisfaction have made it a trusted name among fleet operators and maintenance professionals.

V-Band Clamp 4965120 Compatibility with Cummins Engines

The V-Band Clamp part number 4965120, manufactured by Cummins, is a versatile component designed to fit a variety of Cummins engines. This clamp is essential for creating a secure seal in various applications, ensuring that connections remain tight and leak-free. Below is a detailed overview of the compatibility of this part with specific Cummins engines:

B6.7 CM2670 B153B

The V-Band Clamp 4965120 is compatible with the B6.7 CM2670 B153B engine, providing a reliable seal for connections that require high durability and resistance to pressure variations.

F3.8 CM2620 F137B and F4.5 CM2620 F139B

Both the F3.8 CM2620 F137B and F4.5 CM2620 F139B engines benefit from the use of the V-Band Clamp 4965120. This part ensures that the connections in these engines maintain their integrity, preventing leaks and maintaining operational efficiency.

ISB/ISD 4.5 CM2150 B119

The ISB/ISD 4.5 CM2150 B119 engine is another application where the V-Band Clamp 4965120 is highly effective. Its design allows for a secure fit, ensuring that the connections in this engine remain tight and reliable under various operating conditions.

ISB 3.9 CM2220 B107 and ISB 5.9 CM2880 B127

For the ISB 3.9 CM2220 B107 and ISB 5.9 CM2880 B127 engines, the V-Band Clamp 4965120 provides a robust sealing solution. This part is engineered to withstand the demands of these engines, ensuring that connections remain secure and leak-proof.

ISBE CM2150 and ISBE4 CM850

The V-Band Clamp 4965120 is also compatible with the ISBE CM2150 and ISBE4 CM850 engines. Its design ensures that these engines’ connections are well-sealed, contributing to the overall reliability and performance of the engine.

Role of Part 4965120 V-Band Clamp in Various Engine Systems

The part 4965120 V-Band Clamp is an essential component in several engine systems, ensuring secure and efficient connections between various parts. Here’s how it integrates with different systems:

Diesel Exhaust Fluid (DEF) Arrangement

In the DEF arrangement, the V-Band Clamp plays a significant role in connecting the DEF injector to the exhaust system. This ensures a leak-free connection, which is vital for the proper injection of DEF into the exhaust stream. The clamp’s design allows for easy installation and removal, facilitating maintenance and reducing downtime.

Power System Service Accessories

When it comes to power system service accessories, the V-Band Clamp is used to connect various sensors and monitoring devices to the engine’s exhaust system. This secure connection ensures that these accessories can accurately measure and report exhaust parameters, aiding in the diagnosis and maintenance of the engine.

Aftertreatment System

In the aftertreatment system, the V-Band Clamp is instrumental in connecting components such as the Diesel Particulate Filter (DPF), Selective Catalytic Reduction (SCR) catalyst, and various sensors. These connections must be robust to withstand the high temperatures and pressures within the exhaust system. The clamp ensures that these connections remain intact, contributing to the overall efficiency and effectiveness of the aftertreatment process.

V-Band Clamp Kit

The V-Band Clamp Kit often includes part 4965120, which is used in conjunction with other components to create secure connections throughout the engine system. This kit is particularly useful in applications where multiple connections need to be made quickly and efficiently, such as during engine repairs or upgrades.

Conclusion

The Cummins 4965120 V-Band Clamp is a critical component in maintaining the integrity and performance of various engine systems. Its robust design, ease of installation, and compatibility with a wide range of Cummins engines make it an indispensable tool for ensuring secure and leak-free connections in commercial truck operations.