5256489
Air Transfer Tube
Cummins®

AVAILABLE

Cummins®

4 are currently available

Ships within 2-4 business days

$164.95 $196.29

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 5256489 Rocker Lever Housing, manufactured by Cummins, is a component designed for heavy-duty truck engines. Cummins, a well-established name in the automotive industry, is known for producing reliable and high-performance engine parts. This Cummins part is significant in the context of heavy-duty truck engines due to its role in the valve train system, contributing to the overall efficiency and reliability of the engine.

Basic Concepts of Rocker Lever Housing

A Rocker Lever Housing is a component that houses the rocker arms within an engine. Its general function is to provide a stable and secure environment for the rocker arms, which are essential for transferring motion from the camshaft to the valves. The housing interacts with other components such as the cylinder head, camshaft, and valve train system to ensure smooth and precise valve operation 1.

Purpose of the 5256489 Rocker Lever Housing

The 5256489 Rocker Lever Housing plays a role in the operation of a truck engine by providing a durable and precise housing for the rocker arms. In the valve train system, it ensures that the rocker arms are correctly positioned and supported, allowing for efficient transfer of motion from the camshaft to the valves. This results in improved valve timing and engine performance 2.

Key Features

The primary features of the 5256489 Rocker Lever Housing include its material composition, which is designed to withstand high temperatures and pressures typical in heavy-duty truck engines. The housing is crafted from high-quality materials to ensure durability and longevity. Design elements such as precise machining and robust construction enhance its performance. Additionally, the housing may include features like integrated mounting points and oil passages to facilitate lubrication and reduce friction.

Benefits

The 5256489 Rocker Lever Housing offers several advantages, including improved engine efficiency through precise valve operation, enhanced durability due to its robust construction, and increased reliability as a result of its high-quality materials and design. These benefits contribute to the overall performance and longevity of the engine.

Installation and Integration

Installing the 5256489 Rocker Lever Housing in a truck engine involves several steps and considerations. It is important to ensure that the cylinder head is clean and free of debris before installation. The housing should be aligned correctly with the rocker arms and secured in place using the appropriate fasteners. Special tools may be required to properly torque the fasteners and ensure a secure fit. Following the manufacturer’s guidelines for installation is recommended to avoid potential issues.

Troubleshooting Common Issues

Common problems associated with the 5256489 Rocker Lever Housing may include leaks, misalignment, or wear. Potential causes for these issues can range from improper installation to normal wear and tear. Recommended solutions include re-torquing the fasteners, inspecting for damage, and replacing worn components as necessary. Regular maintenance and inspections can help identify and address these issues before they lead to more significant problems.

Maintenance Tips

To ensure the longevity and optimal performance of the 5256489 Rocker Lever Housing, regular maintenance is crucial. This includes periodic inspections for signs of wear or damage, ensuring that all fasteners are properly torqued, and checking for any leaks. Additionally, keeping the housing clean and free of debris will help maintain its integrity. Following the manufacturer’s recommended maintenance schedule will help ensure the housing continues to perform effectively.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. Founded in 1919, Cummins has a long history of innovation and excellence in the automotive industry. The company offers a wide range of products, including engines for heavy-duty trucks, which are known for their reliability, performance, and durability. Cummins has built a strong reputation in the heavy-duty truck sector, providing solutions that meet the demanding requirements of commercial and industrial applications.

Role of Part 5256489 Rocker Lever Housing in Engine Systems

The 5256489 Rocker Lever Housing is an integral component in the orchestration of various engine systems, ensuring efficient operation and performance.

Integration with Exhaust Recirculation Air System

In the Exhaust Recirculation (EGR) system, the 5256489 Rocker Lever Housing facilitates the modulation of exhaust gases that are rerouted back into the intake manifold. This process is vital for reducing nitrogen oxides (NOx) emissions, a key factor in meeting environmental regulations. The housing ensures that the rocker lever operates smoothly, allowing precise control over the EGR valve. This, in turn, optimizes the mixture of exhaust gases with fresh air, enhancing combustion efficiency and lowering emissions.

Interaction with Plumbing Systems

Within the engine’s plumbing system, the 5256489 Rocker Lever Housing plays a supportive role in managing fluid dynamics. Although it is not a direct component of the plumbing system, its accurate operation influences the performance of associated systems such as the fuel injection and cooling systems. By ensuring that the rocker lever functions without friction or wear, the housing contributes to the consistent delivery of fuel and the maintenance of optimal engine temperatures. This reliability is essential for the longevity and efficiency of the engine’s plumbing network.

Conclusion

In summary, the 5256489 Rocker Lever Housing is a key enabler in the seamless operation of both the EGR system and the engine’s plumbing network, underscoring its importance in modern engine design. Regular maintenance and proper installation are essential to ensure the longevity and optimal performance of this critical component.


  1. Zhao, Hua. Advanced Direct Injection Combustion Engine Technologies and Development Volume 2 Diesel Engines. CRC Press, 2010.

  2. Lejda, Kazimierz, and Pawel Wos. Internal Combustion Engines. InTech, 2012.

SPECIFICATIONS

Package Dimensions
13.1 x 4.6 x 3.88 in
Weight
1.5 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.