3895478
Exhaust Valve
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$34.95 $41.59

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 Cummins 3895478 Exhaust Valve is engineered for heavy-duty truck engines, designed to regulate the flow of exhaust gases from the engine’s cylinders. This component ensures efficient expulsion of exhaust gases, contributing to engine performance and longevity.

Basic Concepts of Exhaust Valves

Exhaust valves in internal combustion engines control the release of exhaust gases from the combustion chamber into the exhaust system. They open and close at precise moments during the engine’s operation cycle, allowing burnt gases to exit the cylinder and facilitating continuous combustion 1.

Role of the 3895478 Exhaust Valve in Truck Operation

The 3895478 Exhaust Valve ensures efficient expulsion of exhaust gases, timed with the engine’s operation cycle to maximize efficiency and performance. It helps reduce backpressure, which can otherwise hinder engine performance 2.

Key Features of the 3895478 Exhaust Valve

This Cummins part is designed with robust construction to withstand high temperatures and pressures, precise engineering for accurate timing and sealing, and materials that resist corrosion and wear. These features enhance its durability, performance, and compatibility with Cummins engines 3.

Benefits of Using the 3895478 Exhaust Valve

Utilizing this part offers advantages such as improved engine performance through efficient exhaust gas expulsion, increased fuel economy, reduced emissions, and maintained engine reliability over time due to its durable construction and precise engineering 4.

Troubleshooting Common Issues with Exhaust Valves

Common issues with exhaust valves include sticking, burning, or leaking, which may cause engine misfires, reduced power, or unusual noises. Diagnosing these issues involves a visual inspection of the valve and its seat, and checking for proper operation within the engine’s timing. Repair or replacement may be necessary to restore engine performance.

Maintenance Tips for Exhaust Valves

Regular maintenance of the 3895478 Exhaust Valve is recommended to ensure longevity and optimal performance. This includes periodic inspection for wear or damage, cleaning to remove buildup, and following manufacturer guidelines for replacement schedules. Proper maintenance prevents issues and ensures effective valve function within the engine system.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including diesel and natural gas engines. The company’s commitment to quality and performance is evident in its product range, which includes components like the 3895478 Exhaust Valve, designed to meet the demanding requirements of heavy-duty applications.

Exhaust Valve Compatibility with Cummins Engines

The Exhaust Valve part number 3895478 is designed to fit seamlessly within various Cummins engine models, ensuring optimal performance and longevity. It is specifically engineered for the L10 MECHANICAL engine series and is compatible with other Cummins engines within the same mechanical series.

Installation and Integration

The installation of the Exhaust Valve part number 3895478 in Cummins engines requires precision to ensure correct alignment and secure fastening, preventing exhaust leaks and maintaining engine efficiency.

Performance and Reliability

This part is crafted from high-quality materials to endure demanding engine conditions. Its design ensures it can handle repetitive cycles of opening and closing, crucial for maintaining engine performance over time. The valve’s reliability is enhanced by its compatibility with Cummins’ stringent quality control standards.

Role of Part 3895478 Exhaust Valve in Engine Systems

Part 3895478, the Exhaust Valve, is integral to the efficient operation of several key engine components. It is housed within the Cylinder Head, where it allows exhaust gases to exit the combustion chamber after the power stroke. In the Cylinder Top Level Assembly Head, it works with the intake valve for a smooth exchange of air and fuel mixture and the expulsion of exhaust gases. This coordination is vital for maintaining engine performance and efficiency.

Conclusion

The 3895478 Exhaust Valve is a fundamental component in various engine systems, influencing everything from basic engine operation to performance enhancements and emissions control. Its proper function and condition are essential for the overall health and performance of the engine.


  1. Pulkrabek, Willard W. Engineering Fundamentals of the Internal Combustion Engine. Pearson Education, 2014.

  2. ElGindy, Moustafa and ElSayegh, Zeinab. Road and Off-Road Vehicle Dynamics. Springer Nature, 2023.

  3. Xin, Qianfan. Diesel Engine System Design. Woodhead Publishing, 2011.

  4. Klyde, Michael and VanGelder, Kirk. Advanced Automotive Electricity and Electronics. Jones Bartlett Learning, 2010.

* 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.