3803503
Rocker Lever Kit
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$1,399.95 $1,665.94

Oversize Item

This is an oversize product. Additional shipping fees may apply.

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 3803503 Rocker Lever Kit, manufactured by Cummins, is a specialized component designed for use in commercial trucks. Cummins, a well-established name in the automotive industry, is known for producing reliable and high-performance parts. This Cummins part is significant in the operation of commercial trucks as it plays a role in the engine’s valve train system, ensuring efficient and reliable performance 1.

Basic Concepts of Rocker Lever Kits

A rocker lever kit is a set of components that includes rocker arms, shafts, and associated hardware. These parts work together to transfer motion from the camshaft to the valves in an engine. The rocker arms amplify the camshaft’s motion, allowing the valves to open and close at the precise moments required for optimal engine performance. The kit typically includes high-quality materials and precise engineering to ensure durability and efficiency within the engine system 2.

Purpose of the 3803503 Rocker Lever Kit

The 3803503 Rocker Lever Kit is designed to enhance the operation of a truck’s engine by providing a reliable and efficient means of transferring motion from the camshaft to the valves. This kit interacts with other engine components such as the camshaft, pushrods, and valves to ensure that the valves open and close at the correct times. Proper valve timing is crucial for engine efficiency, power output, and overall performance 3.

Key Features

The 3803503 boasts several key features that set it apart from other kits. These include high-quality materials such as hardened steel and precision-machined components, which contribute to the kit’s durability and performance. The design enhancements may include improved geometry for reduced friction and wear, as well as features that facilitate easier installation and maintenance. These attributes ensure that the kit not only performs well but also offers longevity and reliability.

Benefits

The benefits of using the 3803503 include improved engine performance due to precise valve actuation, enhanced durability thanks to high-quality materials, and potential cost savings for fleet operators through reduced maintenance and replacement needs. The kit’s design also contributes to smoother engine operation, which can lead to better fuel efficiency and overall reliability.

Installation Process

Installing the 3803503 involves several steps to ensure proper integration with the engine. The process typically requires specific tools such as torque wrenches and socket sets. Key steps include removing the old rocker lever components, inspecting the camshaft and valve train for any wear or damage, installing the new rocker arms and shafts, and ensuring that all components are torqued to the manufacturer’s specifications. Careful attention to detail during installation is crucial for optimal performance and longevity.

Maintenance Tips

To ensure the longevity and optimal performance of the 3803503, regular maintenance is recommended. This includes periodic inspections to check for wear, proper lubrication of moving parts, and ensuring that all fasteners are torqued correctly. Common maintenance tasks may involve cleaning the components to remove any debris or contaminants that could affect performance. Adhering to the manufacturer’s maintenance schedule will help prevent issues and extend the life of the kit.

Troubleshooting Common Issues

Common problems associated with rocker lever kits can include noise, leaks, or improper valve operation. Troubleshooting these issues may involve inspecting the components for wear or damage, ensuring that all fasteners are properly torqued, and checking for proper lubrication. If noise is detected, it may indicate that the rocker arms are not seated correctly or that there is excessive wear. Addressing these issues promptly can help maintain engine performance and prevent more significant problems.

Compatibility and Applications

The 3803503 is designed for specific types of engines and truck models. It is important to verify compatibility to ensure optimal performance and reliability. The kit is typically used in applications where high durability and performance are required, such as in heavy-duty commercial trucks. Understanding the specific applications and use cases for this kit will help ensure it is used effectively.

Cummins: A Brief 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 history spanning over a century, Cummins has established a reputation for producing reliable and high-performance products. The company’s extensive product range and commitment to innovation have made it a trusted name in the commercial truck industry.

Components of the 3803503 Rocker Lever Kit by Cummins

The 3803503, manufactured by Cummins, comprises several essential components that work together to ensure the proper functioning of the rocker lever mechanism in an engine. Below is a detailed description of each component included in the kit and its role:

Rocker Lever Shaft (3417765)

The Rocker Lever Shaft is a pivotal component within the kit. It serves as the central axis around which the rocker levers pivot. This shaft is designed to withstand significant mechanical stress and provide a stable and reliable pivot point for the rocker levers. Its precision engineering ensures smooth operation and consistent performance.

Rocker Lever Support (3892787)

The first Rocker Lever Support plays a crucial role in maintaining the alignment and stability of the rocker lever assembly. It is responsible for securing the rocker lever in place, ensuring that it operates within the correct parameters. This support component is crafted to endure the high stresses and dynamic loads encountered during engine operation, contributing to the overall durability and reliability of the kit.

Rocker Lever Support (3892788)

The second Rocker Lever Support serves a similar function to the first, providing additional reinforcement and stability to the rocker lever assembly. Having two support components ensures redundancy and enhanced structural integrity, which is vital for the consistent and reliable performance of the rocker lever mechanism. This support is also engineered to handle the rigorous conditions within an engine environment.

Additional Components

While the provided list includes only three components, the 3803503 likely contains other essential parts such as rocker levers, shims, and fasteners. These additional components work in concert with the shaft and supports to complete the assembly, ensuring that the rocker lever system operates efficiently and effectively.

Each component within the 3803503 is meticulously designed and manufactured to meet Cummins’ high standards of quality and performance. The integration of these parts into a cohesive kit ensures that users receive a comprehensive solution for their rocker lever needs, facilitating easier installation and maintenance.

Conclusion

The 3803503 Rocker Lever Kit by Cummins is a comprehensive and high-quality solution for enhancing the performance and reliability of commercial truck engines. Its precise engineering, durable materials, and thoughtful design contribute to improved engine efficiency, power output, and overall performance. Regular maintenance and proper installation are key to maximizing the benefits of this kit, ensuring long-term durability and cost-effectiveness for fleet operators.


  1. Hilgers, Michael. Entire Vehicle: Second Edition. Springer Nature, 2023.

  2. Dixon, John. Modern Diesel Technology Preventive Maintenance and Inspection. Delmar Cengage Learning, 2010.

  3. Aird, Forbes. Bosch Fuel Injection Systems. HP Books, 2001.

SPECIFICATIONS

Service Part Topic
92T3-6
Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
70.0 x 19.0 x 17.0 in
Weight
6.95 lb

BILL OF MATERIALS

Name Quantity Part Number
Rocker Lever Shaft
Rocker Lever Support
Rocker Lever Support
* 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.