4327409
Engine Connecting Rod
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$549.95 $654.44

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 Engine Connecting Rod 4327409 is a component designed for use in truck engines, specifically engineered to facilitate the transfer of motion between the piston and the crankshaft. This part is integral to the engine’s operation, ensuring that the linear motion of the piston is effectively converted into rotational motion that drives the crankshaft.

Basic Concepts of Engine Connecting Rods

An engine connecting rod, often referred to simply as a “con rod,” is a component in the internal combustion engine. Its primary function is to connect the piston to the crankshaft, enabling the conversion of the piston’s up-and-down motion into the crankshaft’s rotational motion. This mechanical linkage is fundamental to the engine’s ability to generate power 1.

Purpose of the 4327409 Engine Connecting Rod

The 4327409 Engine Connecting Rod plays a specific role in the operation of a truck engine. It is designed to withstand the high stresses and forces generated during engine operation, ensuring efficient and reliable power transmission from the piston to the crankshaft. This component contributes to the engine’s overall performance and efficiency by maintaining the integrity of the mechanical linkage between the piston and crankshaft.

Key Features

The 4327409 is characterized by several key features that enhance its functionality and durability. Its design incorporates high-strength materials, such as forged steel, to resist the extreme pressures and temperatures within the engine. Additionally, precision machining ensures tight tolerances, which are important for smooth operation and longevity. The rod’s unique characteristics, such as its weight-to-strength ratio and resistance to fatigue, are tailored to meet the demanding requirements of heavy-duty truck engines.

Benefits

Utilizing the 4327409 offers several advantages. These include improved engine performance due to its efficient power transmission capabilities, increased reliability under high-stress conditions, and potential cost savings over time through reduced maintenance and longer component lifespan. The rod’s design and materials contribute to these benefits, making it a valuable component for truck engine applications.

Installation Process

Proper installation of the 4327409 is critical for ensuring optimal engine performance and longevity. The process involves several steps, including preparing the engine block and crankshaft, aligning the rod with the piston and crankshaft journals, and securing it in place with the appropriate fasteners. Best practices include verifying the rod’s alignment and torque specifications to avoid common pitfalls such as misalignment or over-tightening, which can lead to engine damage.

Maintenance Tips

To ensure the longevity and optimal performance of the 4327409, regular maintenance is recommended. This includes periodic inspections for signs of wear or damage, cleaning to remove any debris or contaminants, and verifying the tightness of fasteners. Adhering to manufacturer-recommended inspection intervals and maintenance procedures will help maintain the rod’s condition and ensure continued reliable engine operation.

Troubleshooting Common Issues

Common issues with the 4327409 may include wear, fatigue, or damage due to excessive stress or improper installation. Troubleshooting steps involve inspecting the rod for visible signs of damage, checking for proper alignment and fastener tightness, and assessing the condition of related components such as the piston and crankshaft. Addressing these issues promptly can prevent further damage and ensure the engine’s continued reliable operation.

Performance Enhancements

While the 4327409 is designed for optimal performance in its standard configuration, there may be opportunities for further enhancements depending on the specific application and engine modifications. Potential upgrades or modifications could include the use of higher-strength materials, custom coatings for reduced friction, or adjustments to the rod’s geometry for improved performance under specific operating conditions.

Cummins: A Brief 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, reliability, and innovation in the commercial truck industry. The company’s product range includes a variety of engines and components designed to meet the demanding requirements of heavy-duty applications, ensuring efficient and reliable performance 2.

Compatibility with Cummins Engines

The Cummins Engine Connecting Rod part number 4327409 is designed to fit seamlessly with several engine models. Here is a detailed look at its compatibility:

ISZ13 CM2150 Z105

The ISZ13 CM2150 Z105 engine is one of the models that can utilize the 4327409 connecting rod. This engine is known for its robust performance and reliability, making it a popular choice in various applications.

QSZ13 CM2150 Z101, QSZ13 CM2150 Z102

Both the QSZ13 CM2150 Z101 and QSZ13 CM2150 Z102 engines are compatible with the 4327409 connecting rod. These engines share similar specifications and performance characteristics, ensuring that the connecting rod fits perfectly and functions optimally.

Z13 Z108G

The Z13 Z108G engine is another model that can use the 4327409 connecting rod. This engine is designed for high-performance applications and benefits from the durability and precision of the connecting rod.

By ensuring compatibility with these engines, the 4327409 connecting rod provides a reliable and efficient solution for maintaining and repairing these engine models.

Role of Part 4327409 Engine Connecting Rod in Engine Systems

The part 4327409 Engine Connecting Rod is integral to the efficient operation of various engine components. It serves as a pivotal link between the piston and the crankshaft, transmitting the force generated by the combustion process in the cylinder to the crankshaft. This transmission of force is essential for converting the linear motion of the piston into rotational motion, which ultimately drives the vehicle.

In conjunction with the camshaft, the connecting rod ensures that the timing of the valve operations is synchronized with the piston’s movement. This synchronization is vital for optimal engine performance and efficiency. The camshaft controls the opening and closing of the valves in the cylinder head, allowing air and fuel to enter and exit the combustion chamber at the correct times.

The connecting rod also plays a significant role in managing the stresses and loads within the engine. As the piston moves up and down within the cylinder, the connecting rod absorbs and distributes these forces to the crankshaft. This helps in maintaining the structural integrity of the engine and ensures smooth operation.

Furthermore, the interaction between the connecting rod, piston, and injector is essential for fuel efficiency and power output. The precise movement of the piston, guided by the connecting rod, allows the injector to deliver fuel into the cylinder at the optimal moment, enhancing combustion efficiency and overall engine performance.

In summary, the part 4327409 Engine Connecting Rod is a fundamental component that facilitates the seamless interaction between the piston, crankshaft, camshaft, cylinder head, and injector, contributing to the engine’s reliability, performance, and efficiency 3.

Conclusion

The 4327409 Engine Connecting Rod by Cummins is a critical component in the operation of truck engines, ensuring efficient power transmission from the piston to the crankshaft. Its design, featuring high-strength materials and precision machining, contributes to the engine’s performance, reliability, and longevity. Proper installation, regular maintenance, and prompt troubleshooting of common issues are essential for maximizing the benefits of this Cummins part. Compatibility with various Cummins engine models further underscores its importance in maintaining and enhancing engine performance.


  1. Lakshminarayanan, P. A., & Agarwal, A. K. (2019). Design and Development of Heavy Duty Diesel Engines: A Handbook. Springer.

  2. Genta, G., & Morello, L. (2019). The Automotive Chassis Volume 1 Components Design Mechanical Engineering Series 2nd Edition. Springer.

  3. Isermann, R. (2017). Combustion Engine Diagnosis. Springer Vieweg.

SPECIFICATIONS

Package Dimensions
30.0 x 18.0 x 32.0 in
Weight
6.222 lb

BILL OF MATERIALS

Name Quantity Part Number
Connecting Rod Cap Screw
* 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.