3644676RX
Engine Connecting Rod
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$1,249.95 $1,487.44
Refundable Core Charge: $244.95

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 3644676RX Engine Connecting Rod is a vital component in the operation of commercial trucks. Its purpose is to facilitate the conversion of linear motion from the piston into rotational motion for the crankshaft, thereby contributing to the engine’s overall functionality. The significance of this part lies in its role in ensuring the efficient and reliable operation of the truck’s engine 2.

Basic Concepts of Engine Connecting Rods

An engine connecting rod, often referred to simply as a “con rod,” is a component in an internal combustion engine. Its primary function is to connect the piston to the crankshaft, enabling the transfer of force generated by the combustion process. As the piston moves up and down within the cylinder, the connecting rod converts this linear motion into rotational motion, which is then used to drive the crankshaft. This conversion is fundamental to the engine’s operation, as it allows the engine to produce the power necessary to propel the vehicle 3.

Role of the 3644676RX Engine Connecting Rod in Truck Operation

The 3644676RX Engine Connecting Rod plays a specific role in the operation of a truck engine. It is designed to withstand the high stresses and loads generated during engine operation. The connecting rod interacts with other engine components, such as the piston at one end and the crankshaft at the other. This interaction ensures that the force produced by the combustion process is efficiently transferred to the crankshaft, contributing to the engine’s power output and overall performance 1.

Key Features of the 3644676RX Engine Connecting Rod

The 3644676RX Engine Connecting Rod is characterized by several key features that enhance its performance and durability. These include its material composition, which is typically a high-strength alloy designed to withstand the rigors of engine operation. The design elements of the connecting rod, such as its precise machining and balanced weight distribution, contribute to its efficiency and reliability. Additionally, any unique characteristics, such as specialized coatings or treatments, further enhance its performance under high-stress conditions 2.

Benefits of Using the 3644676RX Engine Connecting Rod

Utilizing the 3644676RX Engine Connecting Rod offers several benefits. These include improved engine efficiency, as the connecting rod’s design and material properties allow for more effective transfer of force from the piston to the crankshaft. Reliability is also enhanced, as the connecting rod is engineered to withstand the high stresses and loads of engine operation. Furthermore, the durability of the connecting rod contributes to the engine’s longevity, reducing the need for frequent replacements and maintenance 3.

Troubleshooting Common Issues with Engine Connecting Rods

Identifying and addressing common issues with engine connecting rods is important for maintaining engine performance. Symptoms such as rod knock or bearing failure may indicate problems with the connecting rod. Troubleshooting these issues typically involves a thorough inspection of the connecting rod and its associated components. Recommended solutions may include cleaning or replacing worn bearings, ensuring proper lubrication, or, in severe cases, replacing the connecting rod itself 1.

Maintenance Tips for Engine Connecting Rods

To ensure the longevity and optimal performance of engine connecting rods, regular maintenance is recommended. This includes inspecting the connecting rod and its components for signs of wear or damage, ensuring proper lubrication to reduce friction and wear, and following manufacturer guidelines for replacement intervals. Adhering to these maintenance practices helps to prevent common issues and ensures the connecting rod continues to operate efficiently 2.

Cummins: A Brief Overview

Cummins Inc. is a well-established manufacturer in the commercial truck industry, known for its commitment to quality and innovation. Founded in 1919, Cummins has a long history of producing reliable and high-performance engines and components. The company’s product offerings include a wide range of engines, powertrains, and related technologies designed for various applications. Cummins’ reputation in the industry is built on its dedication to delivering durable, efficient, and technologically advanced products that meet the demanding requirements of commercial truck operators 3.

Conclusion

The Cummins 3644676RX Engine Connecting Rod is a critical component in the operation of commercial trucks, ensuring efficient and reliable engine performance. Understanding its role, features, and maintenance requirements is essential for maintaining the longevity and performance of the engine. Cummins’ reputation for quality and innovation further underscores the value of this Cummins part in the commercial truck industry.


  1. Hilgers, Michael and Wilfried Achenbach. Vocational Vehicles and Applications. Springer Vieweg, 2021.

  2. Reif, Konrad Ed. Diesel Engine Management Systems and Components. Springer Vieweg, 2014.

  3. Bennett, Sean. Modern Diesel Technology: Light Duty Diesels. Cengage Learning, 2012.

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SPECIFICATIONS

Package Dimensions
48.0 x 21.0 x 17.0 in
Weight
10.78 lbs
* 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.