3078330RX
Engine Connecting Rod
Cummins®

AVAILABLE

Cummins®

2 are currently available

Ships within 2-4 business days

$679.95 $809.14
Refundable Core Charge: $22.95

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

Introduction

The Cummins 3078330RX Engine Connecting Rod is a critical component in the operation of heavy-duty trucks. It serves as a link between the piston and the crankshaft, facilitating the conversion of linear piston motion into rotational motion of the crankshaft. This conversion is fundamental to the engine’s operation, enabling the generation of power that drives the vehicle 1.

Basic Concepts of Engine Connecting Rods

An engine connecting rod, often referred to simply as a “con rod,” is a vital element in the internal combustion engine. Its primary function is to connect the piston to the crankshaft, transferring the force generated by the combustion of fuel in the cylinder to the rotating motion of the crankshaft. This motion is then used to drive the vehicle’s wheels. The connecting rod operates under significant stress and must be designed to withstand high loads and temperatures 2.

Purpose of the 3078330RX Engine Connecting Rod

This Cummins part plays a specific role in the operation of a truck engine. It is engineered to efficiently convert the linear motion of the piston into the rotational motion of the crankshaft. This conversion is achieved through the precise design and robust construction of the connecting rod, ensuring smooth and reliable engine operation under heavy-duty conditions.

Key Features

The 3078330RX is characterized by several key features that enhance its performance and durability. These include its material composition, which is designed to withstand the high stresses and temperatures encountered in heavy-duty applications. The rod’s design elements, 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.

Benefits

The benefits provided by the 3078330RX include improved engine efficiency, enhanced durability, and reliability in heavy-duty applications. Its design and construction contribute to smoother engine operation, increased power output, and reduced wear and tear on other engine components. These factors collectively contribute to the overall performance and longevity of the engine.

Troubleshooting and Maintenance

Common issues that may arise with engine connecting rods include wear, fatigue, and failure due to excessive stress or inadequate lubrication. Troubleshooting these problems involves inspecting the rod for signs of damage, ensuring proper lubrication, and addressing any misalignments or imbalances. Regular maintenance practices, such as checking for wear and ensuring proper torque specifications during installation, are crucial for ensuring the longevity and performance of the 3078330RX 3.

Installation Considerations

When installing this part, it is important to consider several factors to ensure proper function and longevity. These include adhering to the manufacturer’s torque specifications to avoid over-tightening or under-tightening, ensuring proper alignment with the crankshaft and piston, and verifying compatibility with other engine components. Careful attention to these details during installation will help maintain the rod’s performance and durability.

Performance Enhancements

The 3078330RX contributes to overall engine performance in several ways. Its design and construction help increase power output by efficiently transferring the force from the piston to the crankshaft. Additionally, its durability and reliability under heavy-duty conditions contribute to improved fuel efficiency and operational smoothness, making it a valuable component in enhancing the engine’s performance.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a reputation for quality and reliability in the heavy-duty truck industry. The company’s extensive product range and commitment to innovation provide a solid foundation for the quality and performance of the 3078330RX.

Conclusion

The Cummins 3078330RX Engine Connecting Rod is a vital component in the operation of heavy-duty trucks, designed to efficiently convert linear piston motion into rotational crankshaft motion. Its robust construction, precise design, and specialized features contribute to improved engine efficiency, durability, and reliability. Regular maintenance and proper installation are essential for ensuring the longevity and performance of this critical engine component.


  1. Reif, Konrad, ed. Gasoline Engine Management Systems and Components. Springer Vieweg, 2015.

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

  3. Reif, Konrad, ed. Gasoline Engine Management Systems and Components. Springer Vieweg, 2015.

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SPECIFICATIONS

Notes
WARRANTY - 1YR or 100K MI
Package Dimensions
17.6 x 6.4 x 6.3 in
Weight
15.42 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.