3071452
Rocker Lever
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$689.95 $821.04

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 3071452 Rocker Lever by Cummins is a specialized component designed for use in commercial trucks. This part is integral to the engine’s operation, facilitating the interaction between the camshaft and the valves. Understanding its purpose and function is vital for maintaining the efficiency and reliability of the engine.

Basic Concepts of Rocker Levers

A rocker lever, also known as a rocker arm, is a pivotal component in an engine’s valve train mechanism. Its primary function is to transfer motion from the camshaft to the valves. When the camshaft rotates, it pushes against the rocker lever, which then opens and closes the valves at precise intervals. This mechanism ensures that the air-fuel mixture enters the combustion chamber at the correct time, and exhaust gases are expelled efficiently 4.

Purpose and Function of Rocker Lever 3071452

The 3071452 Rocker Lever by Cummins plays a specific role in the engine’s operation. It is designed to interact with the camshaft and valves to ensure optimal valve timing and operation. The rocker lever amplifies the motion of the camshaft, providing the necessary force to open the valves against the spring pressure. This part is engineered to withstand high temperatures and pressures, ensuring consistent performance under demanding conditions 1.

Key Features

The 3071452 Rocker Lever is constructed from high-quality materials, typically including durable alloys that offer resistance to wear and corrosion. Its design incorporates precise engineering to ensure smooth operation and longevity. Key features include a robust construction, smooth bearing surfaces, and a design that minimizes friction and wear. These attributes contribute to the part’s performance and durability in commercial truck engines 2.

Benefits

The 3071452 Rocker Lever offers several advantages that enhance engine performance. Its precise design and high-quality materials contribute to improved engine efficiency and reliability. By ensuring accurate valve timing and operation, this component helps maintain optimal combustion, which can lead to better fuel economy and reduced emissions. Additionally, its durable construction minimizes the need for frequent replacements, contributing to lower maintenance costs over time 3.

Troubleshooting and Maintenance

Common issues with the 3071452 Rocker Lever may include wear on the bearing surfaces, which can lead to increased friction and noise. Regular inspection and maintenance are recommended to identify and address these issues promptly. Diagnostic tips include listening for unusual noises during engine operation and checking for signs of wear or damage. Proper lubrication and timely replacement of worn components are essential practices to ensure the rocker lever continues to function effectively 4.

About Cummins

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 strong reputation in the commercial truck industry for producing reliable and high-performance engine components. Their product range includes a variety of parts and systems designed to meet the demanding requirements of commercial vehicles, ensuring optimal performance and durability.

Understanding the Role of Part 3071452 Rocker Lever in Engine Systems

The 3071452 Rocker Lever is an essential component in the operation of various engine systems, particularly within the context of the Engine Brake Mechanism (EBM). This component works in concert with several other parts to ensure the efficient and effective functioning of the engine.

Interaction with the Lever and Rocker Housing

The 3071452 Rocker Lever is designed to interact seamlessly with the Lever and Rocker Housing. The Lever, typically a simple mechanical device, transfers motion from one part of the engine to another. The Rocker Housing, on the other hand, provides a secure enclosure for the Rocker Lever, protecting it from external elements while allowing for smooth operation. The precise fit of the Rocker Lever within the housing ensures minimal friction and maximum efficiency in motion transfer.

Role in the Engine Brake System

In the Engine Brake Mechanism, the 3071452 Rocker Lever plays a significant role. It is responsible for amplifying the force applied by the Engine Brake, which is a system designed to slow down or stop the engine without the use of the traditional braking system. The Rocker Lever achieves this by converting the linear motion of the Engine Brake into a rotational motion, which is then used to engage the braking components more effectively.

Coordination with the Rocker Lever Housing

The Rocker Lever Housing is another component that works in tandem with the 3071452 Rocker Lever. This housing not only protects the lever but also aligns it correctly within the engine system. The housing’s design allows for easy maintenance and replacement of the Rocker Lever, ensuring that the engine can be serviced quickly and efficiently.

Overall Function in the Engine System

In summary, the 3071452 Rocker Lever is a key player in the intricate dance of components within an engine system. Its role in transferring and amplifying motion, particularly in conjunction with the Lever, Rocker Housing, Engine Brake, and Rocker Lever Housing, is vital for the engine’s performance. Understanding how this component fits and functions within the broader engine system is essential for any engineer or mechanic looking to maintain or upgrade engine performance.

Conclusion

The 3071452 Rocker Lever by Cummins is a critical component in the operation of commercial truck engines, ensuring efficient and reliable valve operation. Its robust construction, precise engineering, and durable materials contribute to improved engine performance, fuel economy, and reduced emissions. Regular maintenance and timely replacement of worn components are essential to ensure the continued effectiveness of this part in demanding engine environments.


  1. Hillier, Alma. Fundamentals of Motor Vehicle Technology Book 1 6th Edition. Oxford University Press, 2014.

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

  3. Khajepour, Amir. Synthesis Lectures on Advances in Automotive Technology. Springer, 2023.

  4. Randall, Martynn. Haynes Manual on Diesel Engines. Haynes Publishing, 2015.

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SPECIFICATIONS

Service Part Topic
91T14-1
Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Notes
Recon equivalent 3071452 R.
Package Dimensions
14.0 x 7.0 x 7.0 in
Weight
0.7 lb
* 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.