145701
Exhaust Valve
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$109.95 $130.84

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 145701 Exhaust Valve is a specialized component designed for heavy-duty truck engines. Manufactured by Cummins Inc., a prominent figure in the engine industry, this part is crucial for the efficient operation of truck engines. Its design and functionality are tailored to meet the rigorous demands of heavy-duty applications.

Basic Concepts of Exhaust Valves

An exhaust valve is a critical component within an internal combustion engine that regulates the release of exhaust gases from the combustion chamber into the exhaust system. It operates in tandem with the intake valve, which allows air and fuel into the chamber. The exhaust valve opens and closes in synchronization with the engine’s operation, controlled by the camshaft, to ensure efficient combustion and exhaust processes 1.

Purpose of the Cummins 145701 Exhaust Valve

The Cummins 145701 Exhaust Valve facilitates the expulsion of exhaust gases after the combustion process, contributing to engine efficiency by ensuring that exhaust gases are released at the correct time. This helps maintain engine performance and reduce emissions. Its precise function is vital for the overall efficiency and reliability of the engine 2.

Key Features

This Cummins part is characterized by specific design and material attributes that enhance its performance and durability. These include a robust construction that can withstand high temperatures and pressures typical in heavy-duty truck engines. The valve is made from materials that offer resistance to wear and corrosion, ensuring longevity and reliable operation under demanding conditions 3.

Benefits

The Cummins 145701 Exhaust Valve offers several advantages, including improved engine performance, enhanced reliability, and increased longevity compared to other exhaust valves. Its design allows for efficient exhaust gas flow, contributing to better engine efficiency and reduced emissions. The durability of the valve ensures that it can withstand the rigors of heavy-duty use, providing long-term value to the engine system.

Installation Considerations

Proper installation of the Cummins 145701 Exhaust Valve is important for ensuring its optimal performance and longevity. Installation procedures should follow Cummins’ recommendations, which may include specific torque settings for the valve’s components and ensuring proper seating within the engine’s cylinder head. Adhering to these guidelines helps maintain the valve’s integrity and functionality.

Troubleshooting Common Issues

Exhaust valves, including the Cummins 145701, may encounter issues such as leakage, sticking, or damage over time. Diagnosing these problems involves checking for symptoms like reduced engine performance, unusual noises, or increased emissions. Solutions may range from cleaning and adjusting the valve to replacement in cases of significant damage. Regular inspections can help identify and address issues before they lead to more severe engine problems.

Maintenance Practices

To ensure the Cummins 145701 Exhaust Valve operates at its best, regular maintenance is recommended. This includes periodic inspections for signs of wear or damage, cleaning to remove any buildup that could affect performance, and ensuring all components are properly torqued and seated. Following these maintenance practices helps maintain the valve’s efficiency and extends its service life.

Cummins 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 reputation for quality, reliability, and innovation in the heavy-duty truck industry. The company’s product range includes engines, powertrains, and related components, all designed to meet the needs of various industries and applications.

Exhaust Valve Compatibility with Cummins Engines

The Cummins part 145701, an Exhaust Valve, is designed to fit seamlessly with several engine models, ensuring optimal performance and reliability. This part is engineered to meet the specific requirements of the engines it is intended for, providing durability and efficiency.

N14 MECHANICAL Engines

The Exhaust Valve 145701 is compatible with the N14 MECHANICAL engines, which are known for their robust design and high performance. This valve ensures that the exhaust gases are efficiently expelled from the combustion chamber, contributing to the engine’s overall efficiency and power output.

NH/NT 855 Engines

Similarly, the Exhaust Valve 145701 is also suitable for the NH/NT 855 engines. These engines benefit from the precise fit and functionality of this valve, which helps maintain the engine’s performance and longevity. The compatibility ensures that the exhaust system operates smoothly, reducing wear and tear on other engine components.

V28 Engines

The Exhaust Valve 145701 is also designed to fit the V28 engines. This valve is engineered to handle the specific demands of the V28 engine, ensuring that the exhaust process is efficient and reliable. The precise fit and high-quality construction of the valve contribute to the engine’s overall performance and durability.

By ensuring compatibility with these engines, the Exhaust Valve 145701 from Cummins provides a reliable solution for maintaining and enhancing engine performance across various models.

Understanding the Role of Exhaust Valve Part 145701 in Engine Systems

In the intricate world of engine systems, the exhaust valve part 145701 plays a significant role in ensuring the efficient operation of various components. This component is integral to the functionality of the cylinder head, where it facilitates the expulsion of exhaust gases from the combustion chamber.

When the camshaft activates the cam follower housing, it triggers the opening of the exhaust valve, allowing spent gases to exit through the exhaust valve kit. This process is essential for the connecting rod and piston to perform their tasks without interference from residual gases.

The exhaust valve also interacts with the crosshead and cylinder long block, contributing to the overall efficiency of the engine. Its proper function ensures that the injector can deliver fuel into a clean combustion chamber, optimizing the engine’s performance.

In scenarios where performance parts such as the performance parts nt-855 or performance parts wet man are utilized, the exhaust valve part 145701 must be in optimal condition to handle increased stress and higher operational demands.

Additionally, the exhaust valve is a key component in the engine spares kit and set of spares, highlighting its importance in maintenance and repair procedures. Its interaction with the lubricating oil cooler mounting ensures that the valve remains cool and functions smoothly, preventing overheating and potential damage.

Overall, the exhaust valve part 145701 is a vital element in the coordination of engine components, from the camshaft and gear to the turbocharger, ensuring that each part operates harmoniously within the engine system.

Conclusion

The Cummins 145701 Exhaust Valve is a critical component in the operation of heavy-duty truck engines, designed to enhance engine efficiency, reliability, and longevity. Its robust construction, precise functionality, and compatibility with various Cummins engine models make it an essential part for maintaining and improving engine performance. Regular maintenance and proper installation are key to ensuring the valve’s optimal performance and longevity.


  1. Owen C Duffy and Gus Wright, Fundamentals of Medium-Heavy Duty Commercial Vehicle Systems (Jones Bartlett Learning, 2016).

  2. John Dixon, Modern Diesel Technology: Heating, Ventilation, Air Conditioning, Refrigeration, 2nd Edition (Cengage Learning, 2014).

  3. Daniel Williams, Generalized Vehicle Dynamics (SAE International, 2022).

SPECIFICATIONS

Service Part Topic
95T2-6
Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Comments
SUPERSEDES 166554 AS A
Package Dimensions
2.38 x 2.25 x 7.5 in
Weight
0.581 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.