3696268
Rocker Lever Support
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$87.95 $104.66

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 Rocker Arm Support 3696268 by Cummins is a component designed to enhance the functionality of the engine system in heavy-duty trucks. This part is integral to the operation of the valve train, ensuring efficient valve actuation and contributing to the overall performance and reliability of the engine.

Basic Concepts of Rocker Arm Support

A rocker arm support serves as a mounting point for the rocker arms within the engine. It facilitates the transfer of motion from the camshaft to the valves, playing a role in the precise timing and operation of the valve train. The rocker arm support interacts closely with the rocker arms, camshaft, and other valve train components to ensure smooth and efficient engine operation 1.

Role of the 3696268 Rocker Arm Support in Truck Operation

The 3696268 Rocker Arm Support is designed to provide a stable and durable mounting solution for the rocker arms in a truck engine. By securely holding the rocker arms in place, it contributes to the accurate and consistent actuation of the valves. This, in turn, helps maintain engine performance, fuel efficiency, and longevity 2.

Key Features of the 3696268 Rocker Arm Support

The 3696268 Rocker Arm Support is constructed from high-quality materials, ensuring durability and resistance to wear. Its design includes precise machining and robust construction to withstand the high stresses and temperatures within the engine compartment. Additionally, the support features optimized geometry to enhance the stability and alignment of the rocker arms, contributing to efficient valve operation 3.

Benefits of Using the 3696268 Rocker Arm Support

Utilizing the 3696268 Rocker Arm Support offers several advantages. It contributes to improved engine efficiency by ensuring precise valve timing and actuation. The durable construction enhances the reliability and longevity of the engine components. Furthermore, the optimized design supports consistent engine performance under various operating conditions 4.

Installation Process

Installing the 3696268 Rocker Arm Support involves several steps to ensure proper fitting and function. Begin by preparing the engine compartment, ensuring all necessary tools and replacement parts are available. Follow the manufacturer’s guidelines for removing the old support and installing the new one, paying close attention to alignment and torque specifications. Verify the installation by checking for proper fit and function before reassembling the engine components.

Troubleshooting Common Issues

Common issues with the 3696268 Rocker Arm Support may include wear and tear, misalignment, or failure. To address these problems, conduct a thorough inspection of the support and surrounding components. Look for signs of damage, excessive wear, or improper alignment. If issues are detected, follow the manufacturer’s recommendations for repair or replacement to restore optimal engine performance.

Maintenance Tips

To ensure the longevity and optimal performance of the 3696268 Rocker Arm Support, regular maintenance is recommended. Inspect the support during routine engine checks, looking for signs of wear or damage. Clean the component as needed to remove any debris or buildup that could affect its function. Follow the manufacturer’s guidelines for replacement intervals to prevent unexpected failures and maintain engine efficiency.

Cummins: A Brief Overview

Cummins Inc. is a leading manufacturer of diesel engines and related technologies, with a strong reputation in the automotive industry. Founded in 1919, Cummins has a history of innovation and quality, offering a wide range of products designed for heavy-duty applications. The company is known for its commitment to reliability, performance, and customer satisfaction, making it a preferred choice for engine components in the trucking industry.

Compatibility of Rocker Arm Support Part 3696268 with Cummins Engines

The Rocker Arm Support part 3696268, manufactured by Cummins, is designed to fit a variety of engine models. This part is crucial for maintaining the proper alignment and function of the rocker arms, which are essential components in the engine’s valve train system.

ISG11 CM2880 G108 and ISG12 CM2880 G107

The Rocker Arm Support part 3696268 is compatible with the ISG11 CM2880 G108 and ISG12 CM2880 G107 engines. These engines are part of the Cummins ISG series, known for their reliability and efficiency in various industrial applications. The part ensures that the rocker arms operate smoothly, reducing wear and tear on the engine components.

ISG12 G CMOH6.0 G111

This part also fits the ISG12 G CMOH6.0 G111 engine. This engine variant is designed to provide robust performance and durability, making the Rocker Arm Support part 3696268 an essential component for maintaining its operational integrity.

QSG12 CM2880 G112 and QSG12/X12 CM2350 G110

The Rocker Arm Support part 3696268 is suitable for the QSG12 CM2880 G112 and QSG12/X12 CM2350 G110 engines. These engines are part of the Cummins QSG series, which is engineered for high-performance applications. The part’s design ensures that the rocker arms are securely supported, contributing to the engine’s overall efficiency and longevity.

X12 CM2350 X119B and X12 CM2670 X121B

Lastly, the Rocker Arm Support part 3696268 is compatible with the X12 CM2350 X119B and X12 CM2670 X121B engines. These engines are part of the Cummins X12 series, known for their versatility and adaptability in various industrial settings. The part’s precision engineering ensures that the rocker arms function correctly, enhancing the engine’s performance and reliability.

By ensuring that the Rocker Arm Support part 3696268 is correctly installed, engine operators can maintain the optimal performance and longevity of their Cummins engines.

Part 3696268 Rocker Arm Support Component Usage

The Part 3696268 Rocker Arm Support is an integral component in the assembly and operation of various engine systems. Its primary function is to provide a stable mounting point for the rocker lever, ensuring precise and reliable operation of the valve train.

Integration with Engine Components

Cylinder Head

The Rocker Arm Support is typically bolted directly to the cylinder head. This secure attachment ensures that the support remains firmly in place, even under the high stresses and vibrations encountered during engine operation. The support’s location on the cylinder head allows it to effectively transmit the motion from the camshaft to the rocker lever.

Cylinder Top Level Assembly Head

In more complex engine designs, the Rocker Arm Support may be part of the cylinder top level assembly head. This integration helps in maintaining the alignment and stability of the rocker lever, which is essential for consistent valve operation. The support ensures that the rocker lever can pivot smoothly, translating the camshaft’s rotational motion into the linear motion required to open and close the valves.

Rocker Lever

The Rocker Arm Support serves as the pivotal point for the rocker lever. It allows the rocker lever to rotate around a fixed axis, which is vital for the accurate timing and force transmission needed to operate the engine’s valves. The support must be robust enough to handle the dynamic loads imposed by the rocker lever during engine operation.

Rocker Lever Top Level Assembly

In engines where the rocker lever is part of a top-level assembly, the Rocker Arm Support plays a key role in maintaining the integrity of this assembly. It ensures that the rocker lever remains correctly positioned and can move freely without undue friction or wear. This is particularly important in high-performance engines where precision and durability are paramount.

Rocker Top Level Assembly Lever

For engines utilizing a rocker top-level assembly lever, the Rocker Arm Support is essential for the proper function of this component. It provides the necessary stability and alignment, allowing the rocker lever to perform its role in the valve train efficiently. The support’s design must account for the specific requirements of the top-level assembly, including any additional components or adjustments that may be present.

Conclusion

In summary, the Part 3696268 Rocker Arm Support is a fundamental component in the valve train system, ensuring the reliable and efficient operation of the rocker lever and, by extension, the engine’s valves. Its integration with the cylinder head, cylinder top-level assembly head, rocker lever, rocker lever top-level assembly, and rocker top-level assembly lever underscores its importance in maintaining the overall performance and durability of the engine.


  1. Sander, F. (2007). Diesel Mechanics, First Edition. Global Media.

  2. Gillespie, T. D. (2021). Fundamentals of Vehicle Dynamics. SAE International.

  3. Pacejka, H. B. (2006). Tyre and Vehicle Dynamics. Butterworth-Heinemann.

  4. Majewski, A., & Jaskelainen, H. (2023). Diesel Emissions and Their Control: Second Edition. SAE International.

SPECIFICATIONS

Package Dimensions
26.0 x 16.0 x 7.0 in
Weight
1.06 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.