3878627
U Bolt Clamp
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$129.95 $154.64

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

The Cummins 3878627 U Bolt Clamp is a component designed for use in heavy-duty truck maintenance and operation. It serves a specific function in securing various parts of the truck, contributing to the overall structural integrity and safety of the vehicle. Understanding its purpose and significance is fundamental for anyone involved in the maintenance or operation of heavy-duty trucks.

Basic Concepts of U Bolt Clamps

A U Bolt Clamp is a type of fastener that consists of a U-shaped bolt with threaded ends. Its general function in mechanical systems is to secure components by clamping them between the two ends of the U-shaped bolt. In the context of a truck’s structure, U Bolt Clamps are often used to attach parts such as exhaust systems, frames, and other critical components. They operate by exerting pressure on the components they are securing, which helps to maintain alignment and prevent movement 1.

Purpose of the Cummins 3878627 U Bolt Clamp

The Cummins 3878627 U Bolt Clamp plays a role in the operation and maintenance of heavy-duty trucks by securing components and contributing to the structural integrity of the vehicle. It is specifically designed to attach certain parts of the truck, ensuring they remain in place under various driving conditions. This clamp is integral to maintaining the alignment and stability of the components it secures, which is vital for the safe and efficient operation of the truck 2.

Key Features

The Cummins 3878627 U Bolt Clamp is characterized by several primary features that enhance its functionality and durability. It is made from high-quality materials, ensuring resistance to corrosion and wear. The design of the clamp includes a U-shaped bolt with threaded ends, allowing for secure attachment of components. Additionally, it may feature unique attributes such as a specific thread pitch or coating to further improve its performance in demanding environments.

Benefits of Using the Cummins 3878627 U Bolt Clamp

Utilizing the Cummins 3878627 U Bolt Clamp offers several advantages. These include improved safety through secure component attachment, enhanced durability due to its material composition and design, and ease of installation, which can save time during maintenance procedures. These benefits contribute to the overall performance and longevity of the truck by ensuring that components remain securely in place, reducing the risk of failure or misalignment.

Installation Process

Installing the Cummins 3878627 U Bolt Clamp requires following a specific procedure to ensure proper fitting and function. The process involves selecting the appropriate tools, preparing the area where the clamp will be installed, and carefully positioning the clamp around the component to be secured. It is important to tighten the clamp to the manufacturer’s specifications to ensure a secure fit without over-tightening, which could damage the component or the clamp itself.

Troubleshooting Common Issues

Common issues associated with U Bolt Clamps include loosening, corrosion, or misalignment. To address these problems, regular inspections are recommended to identify any signs of wear or damage. Solutions may involve tightening the clamp, applying a corrosion-resistant coating, or adjusting the position of the clamp to ensure proper alignment. Maintenance tips include keeping the area around the clamp clean and free of debris that could contribute to corrosion or misalignment.

Maintenance Recommendations

Regular inspection and maintenance of the Cummins 3878627 U Bolt Clamp are crucial for ensuring continued reliable performance. This includes checking for signs of wear, corrosion, or loosening and making adjustments or replacements as necessary. Routine checks help identify potential issues before they become serious problems, contributing to the safety and efficiency of the truck.

Cummins: A Brief Overview

Cummins Inc. is a leading manufacturer of diesel engines, known for its history of innovation and commitment to quality in the automotive industry. The company’s expertise in engine manufacturing extends to a wide range of components and systems, including the Cummins 3878627 U Bolt Clamp. Cummins’ dedication to innovation and quality ensures that its products meet the high standards required for heavy-duty applications.

U Bolt Clamp 3878627 Compatibility with Cummins Engines

The U Bolt Clamp part number 3878627, manufactured by Cummins, is designed to fit a variety of Cummins engines. This clamp is essential for securing components in the engine assembly, ensuring stability and reliability during operation.

K19 and K38 Engines

The U Bolt Clamp 3878627 is compatible with both the K19 and K38 engines. These engines are part of the Cummins K Series, known for their robust performance and durability. The clamp fits seamlessly into the design of these engines, providing the necessary support for various engine components.

K50 Engine

The K50 engine also benefits from the use of the U Bolt Clamp 3878627. This engine is another member of the Cummins K Series, offering high power output and efficiency. The clamp’s design ensures it can handle the stresses and demands of the K50 engine, maintaining the integrity of the engine assembly.

QSB7 CM2880 B117 and QSK19 CM850 MCRS Engines

The U Bolt Clamp 3878627 is also suitable for the QSB7 CM2880 B117 and QSK19 CM850 MCRS engines. These engines are part of the Cummins QSB and QSK Series, which are widely used in various industrial and commercial applications. The clamp’s precision engineering ensures it fits perfectly with these engines, providing reliable support and securing components effectively.

General Application

Across all these engines, the U Bolt Clamp 3878627 plays a crucial role in maintaining the structural integrity of the engine. Its compatibility with multiple engine models highlights its versatility and importance in Cummins’ engine lineup.

Role of Part 3878627 U Bolt Clamp in Engine Systems

The Part 3878627 U Bolt Clamp is an essential component in the assembly and securement of various engine systems. Its application spans across multiple subsystems, ensuring robust and reliable connections.

Accessories

In the realm of engine accessories, the U Bolt Clamp is utilized to secure auxiliary components such as sensors, gauges, and control units. It provides a stable mounting solution, ensuring these accessories remain firmly in place despite engine vibrations and operational stresses.

Air Starting System

For air starting systems, the U Bolt Clamp plays a significant role in securing air starter plumbing. It ensures that the air lines are tightly fastened to the engine block or manifold, preventing leaks and maintaining the integrity of the air supply needed for engine start-up.

Air Starter Plumbing

Within the air starter plumbing, the U Bolt Clamp is employed to connect various sections of the air lines. This securement is vital for maintaining consistent air pressure, which is essential for the reliable operation of the air starting motor lubricator and other related components.

Connection Points

At connection points throughout the engine, such as the air transfer and exhaust outlet, the U Bolt Clamp ensures that all joints are tightly sealed. This is particularly important in the exhaust system kit, where secure connections prevent exhaust leaks, which can lead to performance issues and increased emissions.

Heat Exchanger

In the heat exchanger and its associated components—such as the heat exchanger kit and mounting—the U Bolt Clamp is used to fasten plumbing lines and support assemblies. This ensures that coolant and other fluids are efficiently transferred without risk of leakage, contributing to the overall thermal management of the engine.

Radiator and Plumbing

For the radiator and its plumbing, the U Bolt Clamp secures inlet and outlet connections, as well as any additional plumbing kits. This ensures that the cooling system operates efficiently, maintaining optimal engine temperature under varying operational conditions.

Pressure Regulator Valve

Finally, in systems involving a pressure regulator valve, the U Bolt Clamp is used to secure gas inlet support assemblies. This ensures that the pressure regulation components are firmly mounted, allowing for precise control of gas flow and pressure within the engine system.

Conclusion

The Cummins 3878627 U Bolt Clamp is a vital component in the maintenance and operation of heavy-duty trucks and Cummins engines. Its design, compatibility, and role in securing various engine systems make it an indispensable part of ensuring the structural integrity, safety, and efficiency of these vehicles. Regular maintenance and proper installation are key to maximizing the benefits of this Cummins part.


  1. Gilles, T. (2020). Automotive Service: Inspection, Maintenance, Repair: 2nd Edition. Cengage Learning.

  2. Calder, N. (2007). Diesel Engine Care and Repair. The McGraw-Hill Companies.

* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.