3924350
Engine Connecting Rod
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$214.95 $255.79

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 3924350 Engine Connecting Rod is a vital component in the operation of heavy-duty trucks. It serves as a crucial link between the piston and the crankshaft, facilitating the transfer of motion and power within the engine. Understanding its purpose and significance is fundamental for maintaining and optimizing the performance of truck engines.

Basic Concepts of Engine Connecting Rods

An engine connecting rod, often referred to as a con rod, is a mechanical component that connects the piston to the crankshaft in an internal combustion engine. Its primary function is to convert the linear motion of the piston into rotational motion of the crankshaft, thereby transferring power generated by the combustion process to the engine’s output shaft. This conversion is essential for the engine’s operation, as it enables the transformation of the energy produced during combustion into usable mechanical work 1.

Purpose of the Cummins 3924350 Engine Connecting Rod

The Cummins 3924350 Engine Connecting Rod plays a specific role in the operation of a truck engine. It is designed to efficiently transfer motion from the piston to the crankshaft. This transfer is achieved through the con rod’s ability to withstand high stresses and maintain precise alignment between the piston and crankshaft. By ensuring smooth and reliable motion transfer, the connecting rod contributes to the engine’s overall efficiency and performance 2.

Key Features

The Cummins 3924350 Engine Connecting Rod is characterized by several key features that enhance its performance and durability. Its design incorporates advanced engineering principles to ensure optimal strength and reliability under the demanding conditions of heavy-duty truck engines. The rod is constructed from high-quality materials, such as forged steel, which provide the necessary strength and durability. Additionally, its design may include features such as precision machining and heat treatment processes to further enhance its performance characteristics 3.

Benefits

The Cummins 3924350 Engine Connecting Rod offers several benefits that contribute to improved engine efficiency, durability, and reliability. Its robust construction and precise engineering allow for efficient power transfer, reducing energy losses within the engine. This efficiency can lead to enhanced fuel economy and overall engine performance. Furthermore, the durability of the connecting rod ensures long-term reliability, minimizing the need for frequent replacements and maintenance 4.

Installation and Compatibility

Proper installation of the Cummins 3924350 Engine Connecting Rod is crucial for ensuring optimal engine performance and longevity. Installation guidelines typically include specific torque specifications and alignment procedures to maintain the integrity of the engine’s moving parts. Compatibility with various Cummins engines is an important consideration, as the connecting rod must be matched with the appropriate engine model to ensure proper fit and function.

Maintenance and Troubleshooting

Maintaining the Cummins 3924350 Engine Connecting Rod is essential for ensuring optimal performance and longevity. Regular inspection intervals should be observed to check for signs of wear or damage, such as cracks, deformation, or excessive play. Common maintenance practices may include cleaning, lubrication, and torque checks to ensure the connecting rod remains in good condition. Troubleshooting tips for identifying and addressing potential issues may involve visual inspections, performance testing, and consulting manufacturer guidelines for recommended maintenance procedures.

Performance Enhancements

The Cummins 3924350 Engine Connecting Rod contributes to overall engine performance in several ways. Its efficient power transfer capabilities can lead to increased power output and improved fuel efficiency. Additionally, the durability and reliability of the connecting rod support the engine’s longevity, allowing for consistent performance over time. By integrating this component into the engine system, manufacturers aim to enhance the engine’s capabilities and provide a robust solution for heavy-duty applications.

Cummins Overview

Cummins Inc. is a renowned manufacturer with a rich history in the engine industry. Established with a commitment to quality and innovation, Cummins has built a reputation for producing reliable and high-performance engines. The company’s dedication to engineering excellence and customer satisfaction has positioned it as a leader in the field of engine manufacturing, with a diverse range of products designed to meet the demanding requirements of various applications, including heavy-duty trucks.

Engine Connecting Rod 3924350 Compatibility with Cummins Engines

The Engine Connecting Rod 3924350, manufactured by Cummins, is designed to fit a variety of Cummins engines. This part is integral to the engine’s operation, converting the linear motion of the piston into rotational motion at the crankshaft. Below is a detailed look at the compatibility of this connecting rod with various Cummins engines:

6C8.3 and C8.3 G Engines

The 6C8.3 and C8.3 G engines are part of Cummins’ lineup of medium-duty diesel engines. The Engine Connecting Rod 3924350 is specifically engineered to fit these engines, ensuring smooth and efficient operation. These engines are known for their durability and reliability, making them a popular choice in various applications.

G8.3 Engines

The G8.3 engine is another variant in Cummins’ range of medium-duty diesel engines. The 3924350 connecting rod is compatible with the G8.3 engine, providing the necessary strength and durability to handle the engine’s demands. This compatibility ensures that the engine operates at peak efficiency.

C GAS PLUS CM556 Engines

The C GAS PLUS CM556 engine is a variant designed for natural gas applications. The Engine Connecting Rod 3924350 is suitable for this engine, ensuring that it can handle the unique stresses and requirements of natural gas operation. This compatibility is crucial for maintaining the engine’s performance and longevity.

ISC CM554 and ISC CM850 Engines

The ISC CM554 and ISC CM850 engines are part of Cummins’ lineup of heavy-duty diesel engines. The 3924350 connecting rod is designed to fit these engines, providing the necessary strength and durability to handle the high demands of heavy-duty applications. This compatibility ensures that the engine operates efficiently and reliably.

QSC8.3 CM554 and QSC8.3 CM850 (CM2850) Engines

The QSC8.3 CM554 and QSC8.3 CM850 (CM2850) engines are another set of Cummins’ heavy-duty diesel engines. The Engine Connecting Rod 3924350 is compatible with these engines, ensuring that they can handle the high stresses and demands of heavy-duty operations. This compatibility is essential for maintaining the engine’s performance and longevity.

By ensuring that the Engine Connecting Rod 3924350 is compatible with a wide range of Cummins engines, this part plays a crucial role in maintaining the performance and reliability of these engines across various applications.

Understanding the Integration of Part 3924350 Engine Connecting Rod in Engine Systems

The Engine Connecting Rod (Part 3924350) is an integral component in the orchestration of various engine systems, facilitating the seamless transfer of motion and power within the engine assembly. Here’s how it interfaces with the provided components:

Interaction with the Cylinder Block and Cylinder Head

The connecting rod links the Engine Piston to the Crankshaft, which is housed within the Cylinder Block. As the piston moves up and down within the cylinder, driven by the combustion process occurring in the Cylinder Head, the connecting rod translates this linear motion into rotational motion of the crankshaft. This conversion is essential for the engine’s operation, allowing the engine to produce power.

Role in the Engine Assembly

Within the Engine Assembly, the connecting rod is a bridge between the piston and the crankshaft. It ensures that the force generated by the combustion of fuel in the cylinder is efficiently transferred to the crankshaft, which then drives the rest of the engine components.

Contribution to Performance Parts

When considering Performance Parts, the connecting rod’s design and material can significantly influence the engine’s overall performance. A high-quality connecting rod, like Part 3924350, can withstand higher stresses and contribute to increased engine durability and performance.

Integration with the Fuel Injector and Injectors

Although the connecting rod does not directly interact with the Fuel Injector or Injectors, its efficient operation ensures that the engine runs smoothly, which is essential for the injectors to deliver fuel precisely when needed. This synergy between the mechanical components and fuel delivery system is vital for optimal engine performance.

Importance in Short Block and Long Block Configurations

In a Short Block configuration, which includes the cylinder block, crankshaft, pistons, and connecting rods, the connecting rod is a fundamental component. It ensures the basic functionality of the engine. In a Long Block setup, which adds the cylinder head and valve train, the connecting rod continues to play a pivotal role in the engine’s operation, supporting the additional components and their functions.

Application in Repair Kits and Engine Kits

In Repair Kits and Engine Kits, the connecting rod is often a key replacement part. Its condition directly affects the engine’s reliability and performance, making it a component of focus during engine rebuilds or repairs.

In summary, the Engine Connecting Rod (Part 3924350) is a linchpin in the engine’s mechanical system, ensuring the efficient transfer of motion from the pistons to the crankshaft, and thereby supporting the engine’s overall function and performance.

Conclusion

The Cummins 3924350 Engine Connecting Rod is a critical component in the efficient operation of heavy-duty truck engines. Its role in converting linear piston motion into rotational crankshaft motion is fundamental to the engine’s performance. The design and material quality of this part ensure durability and reliability, contributing to enhanced engine efficiency and longevity. Proper installation, maintenance, and understanding of its integration within the engine system are essential for maximizing the benefits of this component.


  1. Hilgers, Michael. Fuel Consumption and Consumption Optimization, Second Edition. Springer Nature, 2023.

  2. Heywood, John. Internal Combustion Engine Fundamentals. McGraw-Hill Education, 2019.

  3. Robert Bosch GmbH. Bosch Automotive Handbook 9th Edition. Robert Bosch GmbH, 2014.

  4. Norman, Andrew. Diesel Technology Fundamentals Service Repair Eighth Edition. The Goodheart-Willcox Company Inc, 2016.

* 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.