5538831
Push Rod
Cummins®

AVAILABLE

Cummins®

1 is currently available

Ships within 2-4 business days

$319.95 $380.74

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 5538831 Push Rod is a component designed for use in heavy-duty truck engines. It serves a vital function in the engine’s valve train, facilitating the transfer of motion from the camshaft to the valves. This ensures precise and efficient valve operation, which is essential for the engine’s overall performance and reliability 1.

Basic Concepts of Push Rods

Push rods are mechanical links used in overhead valve (OHV) engines to transmit motion from the camshaft to the valves. Positioned between the camshaft and the rocker arms, push rods convert the rotational motion of the camshaft into linear motion that opens and closes the engine valves. This mechanism allows for effective control of the air and fuel mixture entering and exiting the combustion chamber, which is fundamental to the engine’s operation 2.

Purpose and Role of the Cummins 5538831 Push Rod

This Cummins part plays a specific role in the engine’s valve train by transmitting motion from the camshaft to the valves. When the camshaft lobe rotates, it pushes against the push rod, which in turn moves the rocker arm. This action opens the valve, allowing air and fuel into the combustion chamber or exhaust gases out. The precise and reliable operation of this part is integral to maintaining the engine’s performance and efficiency 3.

Key Features

The Cummins 5538831 Push Rod is characterized by several key features that enhance its performance and durability. It is constructed from high-quality materials, ensuring resistance to wear and corrosion. The design includes precise tolerances to ensure smooth operation and minimal friction. Additionally, the push rod may feature unique attributes such as a hardened surface or specific coatings to further improve its longevity and reliability in demanding heavy-duty applications.

Benefits of Using the Cummins 5538831 Push Rod

Utilizing the Cummins 5538831 Push Rod offers several advantages. Its high-quality construction and precise engineering contribute to improved engine performance, ensuring efficient valve operation and optimal combustion. The durability of the push rod enhances the engine’s reliability, reducing the likelihood of premature failure. Furthermore, the consistent performance of this part supports the engine’s longevity, providing value over the vehicle’s lifespan.

Installation and Maintenance

Proper installation of the Cummins 5538831 Push Rod is crucial for ensuring optimal performance. This involves adhering to torque specifications and alignment procedures to prevent damage and ensure efficient operation. Regular maintenance, including inspection for wear and proper lubrication, is recommended to sustain the push rod’s performance and longevity. Following these guidelines helps maintain the engine’s efficiency and reliability.

Troubleshooting Common Issues

Common issues associated with push rods, such as wear, bending, or failure, can impact engine performance. Symptoms may include decreased engine efficiency, unusual noises, or misfires. Troubleshooting these problems involves inspecting the push rod for signs of damage, ensuring proper alignment, and verifying that all components in the valve train are functioning correctly. Addressing these issues promptly can prevent further engine damage and maintain optimal performance.

Cummins Overview

Cummins Inc. is a renowned manufacturer with a strong reputation in the automotive and heavy-duty truck industry. Founded in 1919, Cummins has a long history of producing high-quality engine components and systems. The company is committed to innovation, reliability, and customer satisfaction, making it a trusted name in the industry for those seeking durable and efficient engine parts.

Cummins Push Rod 5538831 in Engine Applications

The Cummins Push Rod 5538831 is a critical component in various engine configurations, ensuring the smooth operation of the valve train. This push rod is designed to transfer motion from the camshaft to the valve, facilitating the opening and closing of the engine’s valves. Its precision engineering is crucial for maintaining the engine’s performance and longevity.

QSK78 Engine

In the QSK78 engine, the push rod 5538831 plays a pivotal role in the valve actuation system. This engine, known for its robust design and high-performance capabilities, relies on the push rod to maintain precise valve timing. The QSK78 is often used in heavy-duty applications, where reliability and efficiency are paramount.

CM500 Engine

Similarly, in the CM500 engine, the push rod 5538831 is integral to the valve train mechanism. The CM500 is designed for commercial and industrial use, providing a balance of power and fuel efficiency. The push rod’s role in this engine is to ensure that the valves operate smoothly and efficiently, contributing to the overall performance and durability of the engine.

Grouped Engine Applications

For engines within the same family or series, such as the QSK and CM series, the push rod 5538831 is often interchangeable. This commonality allows for easier maintenance and repair, as technicians can use the same part across multiple engine models. The design consistency ensures that the push rod performs reliably in various engine configurations, enhancing the engine’s operational efficiency and lifespan.

Conclusion

The Cummins 5538831 Push Rod is a critical component in heavy-duty truck engines, ensuring precise and efficient valve operation. Its high-quality construction, precise engineering, and durability contribute to the engine’s overall performance and reliability. Proper installation, regular maintenance, and prompt troubleshooting of common issues are essential for sustaining the push rod’s performance and longevity. Cummins Inc.’s commitment to innovation and reliability makes the 5538831 Push Rod a trusted component in the automotive and heavy-duty truck industry.


  1. Mohamed ElSayed PE, Fundamentals of Integrated Vehicle Realization, SAE International, 2017.

  2. A.J. Martyr, Engine Testing: Theory and Practice: Third Edition, SAE International, 2007.

  3. Konrad Reif, Diesel Engine Management Systems and Components, Springer, 2014.

SPECIFICATIONS

Package Dimensions
35.0 x 11.0 x 4.0 in
Weight
4.6 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.