AR3312RX
Rocker Lever Housing
Cummins®

DISCONTINUED

Cummins®

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 AR3312RX Rocker Lever Housing, a component from Cummins, plays a role in the operation of heavy-duty truck engines, contributing to the efficiency and reliability of the valve train mechanism 1.

Function and Operation

This Cummins part is integral to the valve train system, housing the rocker arms and facilitating their movement. It interacts with pushrods, which transmit motion from the camshaft to the rocker arms, ultimately actuating the engine valves. This housing ensures precise and consistent valve operation, which is vital for maintaining engine performance and fuel efficiency 2.

Key Features

The AR3312RX is designed with specific characteristics that enhance its functionality and durability. Constructed from high-quality materials, it is engineered to withstand the rigorous conditions within a heavy-duty engine. Its design includes features that reduce friction and wear, contributing to the longevity of the component and the overall engine 3.

Benefits

Incorporating this part into an engine setup can lead to several advantages. These include improved engine reliability due to its robust construction, enhanced performance through precise valve actuation, and potential cost savings over the vehicle’s lifespan due to its durability and reduced need for frequent replacements.

Installation and Compatibility

Proper installation of the Rocker Lever Housing is crucial for ensuring optimal engine performance. Installation procedures should follow manufacturer guidelines to avoid complications. Compatibility with specific engine models is important, and any necessary modifications for installation should be carefully considered to ensure a proper fit and function.

Maintenance and Troubleshooting

Routine maintenance of the Rocker Lever Housing is recommended to maintain its performance and longevity. This includes regular inspections for wear and damage, and cleaning to remove any debris that could affect its operation. Common issues may include wear on the housing or rocker arms, which can be addressed through timely maintenance or replacement as needed.

Performance Enhancements

Upgrading or modifying the Rocker Lever Housing can have a notable impact on engine performance. Enhancements may include materials that offer greater durability or designs that reduce friction, potentially leading to increases in power output and engine efficiency.

Historical Context and Evolution

The development of rocker lever housings in heavy-duty truck engines has evolved over time, with advancements in materials and design leading to more efficient and reliable components. The AR3312RX represents a stage in this evolution, incorporating modern engineering principles to meet the demands of contemporary heavy-duty engines.

Cummins Corporation Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and related technologies. With a strong presence in the automotive and heavy-duty truck industry, Cummins is recognized for its innovation, quality, and commitment to customer success.

Conclusion

The AR3312RX Rocker Lever Housing by Cummins is a critical component in the valve train system of heavy-duty engines, offering durability, efficiency, and reliability. Its proper installation, maintenance, and potential enhancements can significantly contribute to the overall performance and longevity of the engine.


  1. Dixon, John C. Tyres Suspension and Handling Second Edition. SAE International, 1996.

  2. Peters, George, and Barbara J Peters. Automobile Vehicle Safety. CRC Press, 2002.

  3. Brach, R. Matthew. SAE International’s Dictionary of Vehicle Accident Reconstruction and Automotive Safety. SAE Books, 2023.

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SPECIFICATIONS

Notes
If PTB (Non-PTD) injectors
Package Dimensions
14.2 x 9.2 x 5.6 in
Weight
18.95 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.