4007837
Rocker Lever Cover
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$989.95 $1,178.04

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

Introduction

The Rocker Lever Cover 4007837 is a component designed by Cummins for heavy-duty truck engines. This part serves to encase and protect the rocker lever mechanism within the engine. Its role is significant as it ensures the integrity and efficiency of the engine’s valve operation system 1.

Function and Operation

The Rocker Lever Cover 4007837 operates by providing a sealed environment for the rocker levers, which are essential for the opening and closing of engine valves. It interacts with the cylinder head and other valve train components, ensuring that the rocker levers function smoothly and are protected from contaminants. The cover also aids in maintaining consistent oil pressure around the rocker levers, which is vital for their lubrication and operation 2.

Key Features

This Cummins part is characterized by its robust design and high-quality materials. It is constructed to offer durability and a precise fit, ensuring it aligns correctly with the engine’s components. The finish of the cover is designed to resist corrosion and wear, contributing to its longevity and reliability in demanding environments.

Role in Engine Performance

This cover plays a role in the engine’s performance by protecting the rocker lever system from external elements and reducing noise from the valve train. It also helps in containing oil within the valve train area, which is important for the lubrication of moving parts. By safeguarding these components, the cover contributes to the engine’s overall efficiency and longevity 3.

Benefits of Using Rocker Lever Cover 4007837

Utilizing the Rocker Lever Cover 4007837 offers several advantages. It enhances engine longevity by protecting critical components from wear and contamination. It also improves maintenance access, allowing for easier inspection and service of the rocker lever system. Additionally, the use of this cover can lead to potential cost savings by reducing the frequency of repairs and replacements needed for the valve train components.

Installation Process

Installing the Rocker Lever Cover 4007837 involves several steps. First, ensure the engine is cool and the valve train components are clean and free of debris. The cover should be aligned with the mounting points on the cylinder head and secured according to the manufacturer’s specifications. It may require specific tools for proper installation, and it is important to follow the sequence and torque specifications provided by Cummins to ensure a secure fit.

Maintenance and Care

Routine checks of the Rocker Lever Cover 4007837 are recommended to ensure its continued performance. This includes inspecting for signs of wear, corrosion, or oil leaks. Regular cleaning and, if necessary, re-torquing of the fasteners can help maintain the cover’s integrity and function. Following the manufacturer’s maintenance schedule will help in preserving the cover’s condition and the engine’s performance.

Troubleshooting Common Issues

Common issues with rocker lever covers may include oil leaks, corrosion, or physical damage. If an oil leak is detected, it may be necessary to re-torque the fasteners or replace the gasket. Corrosion can often be addressed with cleaning and the application of a protective coating. Physical damage may require replacement of the cover. Always refer to Cummins’ guidelines for troubleshooting and repairs.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a strong reputation in the automotive industry, particularly for its heavy-duty truck components. The company is known for its commitment to quality, innovation, and customer satisfaction, providing a wide range of products that meet the demanding requirements of various industries.

Conclusion

The Rocker Lever Cover 4007837 is a vital component in the engine’s valve train system, offering protection and enhancing the efficiency of the rocker lever mechanism. Its robust design, ease of maintenance, and the benefits it provides to engine performance make it a valuable part for heavy-duty truck engines. Proper installation, regular maintenance, and timely troubleshooting are essential to maximize the benefits of this Cummins part.


  1. Automotive Lubricants Reference Book, Arthur J Caines, Roger F Haycock and John E Hillier, SAE International, 2004

  2. Introduction to Engine Valvetrains, Yushu Wang, SAE International, 2007

  3. Simulation and Optimization of Internal Combustion Engines, Zhiyu Han, SAE International, 2022

SPECIFICATIONS

Package Dimensions
28.6 x 28.3 x 6.3 in
Weight
2.686 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.