3070449RX
Engine Connecting Rod
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$679.95 $809.14
Refundable Core Charge: $38.95

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 3070449RX Engine Connecting Rod is a vital component in the operation of heavy-duty trucks. It serves as a link between the piston and the crankshaft, facilitating the conversion of linear motion into rotational motion. This component’s role is significant in ensuring the efficient and reliable operation of the engine.

Basic Concepts of Engine Connecting Rods

An engine connecting rod, often referred to as a con rod, is a pivotal element in the internal combustion engine. Its primary function is to connect the piston to the crankshaft, transmitting the force generated by the combustion process in the cylinder to the crankshaft. This transmission of force enables the crankshaft to rotate, which in turn drives the vehicle’s wheels. The connecting rod operates under high stress and must withstand significant forces and pressures to maintain engine performance 1.

Purpose of the 3070449RX Engine Connecting Rod

This part plays a specific role in the operation of a truck engine. It is designed to transmit the force from the piston to the crankshaft efficiently. This transmission is crucial for converting the linear motion of the piston into the rotational motion of the crankshaft. The rod’s design and material composition are tailored to handle the high stresses and dynamic loads encountered in heavy-duty truck engines.

Key Features

The Cummins 3070449RX Engine Connecting Rod is characterized by several key features that enhance its performance and durability. These include a robust material composition, typically involving high-strength alloys, which provide the necessary resilience under high stress. The design elements of the rod, such as its precise machining and balanced weight distribution, contribute to its smooth operation and longevity. Additionally, any unique characteristics, such as specialized coatings or treatments, further enhance its performance in demanding engine environments.

Benefits

This Cummins part offers several benefits that contribute to improved engine efficiency, reliability, and longevity. Its high-strength material and precise engineering allow for efficient force transmission, reducing energy loss and enhancing overall engine performance. The rod’s durability ensures long-term reliability, minimizing the need for frequent replacements. Furthermore, its design contributes to the smooth operation of the engine, reducing wear on other components and promoting longevity.

Troubleshooting and Maintenance

Common issues that may arise with engine connecting rods include wear, fatigue, and failure due to excessive stress or inadequate lubrication. Diagnostic procedures for these issues involve inspecting the rod for signs of wear, checking for proper lubrication, and assessing the overall condition of the engine. Maintenance practices to ensure optimal performance and longevity of the 3070449RX Engine Connecting Rod include regular lubrication checks, monitoring engine performance for signs of stress or wear, and adhering to recommended service intervals for inspection and replacement if necessary 2.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a rich history dating back to 1919, Cummins has established a reputation for manufacturing high-quality automotive components. The company is committed to innovation, quality, and customer satisfaction, ensuring that its products, including the 3070449RX Engine Connecting Rod, meet the rigorous demands of heavy-duty applications 3.

Conclusion

The 3070449RX Engine Connecting Rod is a critical component in the operation of heavy-duty truck engines. Its design, material composition, and engineering contribute to the efficient and reliable operation of the engine. Regular maintenance and adherence to service intervals are essential to ensure the longevity and performance of this part.


  1. Boyce, Meherwan P. Gas Turbine Engineering Handbook, Second Edition. Gulf Professional Publishing, 2002.

  2. Majewski, Addy, and Hannu Jaskelainen. Diesel Emissions and Their Control: Second Edition. SAE International, 2023.

  3. Hilgers, Michael. Vocational Vehicles and Applications. Springer Nature, 2023.

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SPECIFICATIONS

Notes
WARRANTY - 1YR or 100K MI
Package Dimensions
18.0 x 7.75 x 3.38 in
Weight
51.82 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.