3976175
Valve Cover
Cummins®

Name: 3976175 Cummins | Valve Cover
Brand: Cummins
SKU: 3976175
Price: 1199.95 USD
Availability: InStock
Rating: 5 (1 reviews)

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Genuine OEM Part

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.

Manufacturer Warranty*

We honor the warranty provided by the original equipment manufacturer.

DESCRIPTION

The Valve Cover Assembly 3976175 by Cummins is a component designed for heavy-duty truck engines. Its purpose is to encase and protect the valve train components, ensuring they operate efficiently and are shielded from external contaminants. The significance of this assembly lies in its contribution to the overall performance and longevity of the engine ².

Basic Concepts of Valve Cover Assemblies

A Valve Cover Assembly is a protective enclosure that covers the valve train of an engine. Its primary functions include sealing the engine to prevent oil leaks, protecting internal components from dirt and debris, and providing a pathway for positive crankcase ventilation. The assembly integrates with the engine’s operation by maintaining a clean and sealed environment for the valves, camshaft, and other related components ³.

Role of the Valve Cover Assembly in Truck Operation

This Cummins part plays a specific role in the operation of a truck by ensuring the valve train components are protected and function correctly. It interacts with other engine components by providing a sealed environment that prevents oil leaks and contamination. This assembly also facilitates the venting of crankcase gases, which helps maintain engine efficiency and reduces emissions ⁴.

Key Features of the Valve Cover Assembly 3976175

The Valve Cover Assembly 3976175 is constructed from high-quality materials that offer durability and resistance to wear. Key features include a robust design that ensures a tight seal, integrated breather and PCV (Positive Crankcase Ventilation) systems, and precise engineering to fit specific engine models. These attributes enhance its performance and longevity, making it a reliable component for heavy-duty applications ¹.

Benefits of Using the Valve Cover Assembly 3976175

Using this part offers several benefits. It contributes to improved engine performance by maintaining a clean and sealed environment for the valve train. The durable construction ensures long-term reliability, while the integrated ventilation system helps reduce emissions and enhance engine efficiency. Additionally, the assembly provides protection against environmental factors, such as dirt and moisture, which can otherwise lead to engine wear and reduced performance ².

Troubleshooting Common Issues with Valve Cover Assemblies

Common issues with Valve Cover Assemblies may include oil leaks, contamination of the valve train, and failure of the PCV system. To address these problems, regular inspections for signs of wear or damage are recommended. If an oil leak is detected, the gasket or seals may need replacement. Contamination can often be resolved by cleaning the assembly and ensuring proper sealing. Maintenance of the PCV system involves checking for blockages and ensuring proper ventilation ³.

Maintenance Tips for Valve Cover Assemblies

To ensure optimal performance and longevity of the Valve Cover Assembly 3976175, regular maintenance is advised. This includes periodic inspections for signs of wear, leaks, or contamination. Cleaning the assembly to remove any built-up residue is also important. Additionally, following the manufacturer’s guidelines for replacement intervals can help prevent unexpected failures and maintain engine efficiency ⁴.

Cummins: A Brief Overview

Cummins Inc. is a well-established company in the automotive industry, known for its high-quality engine components and systems. With a rich history of innovation and a strong reputation for reliability, Cummins is committed to producing components that meet the demanding requirements of heavy-duty applications. The company’s dedication to quality and performance is evident in its wide range of engine parts, including the Valve Cover Assembly 3976175 ¹.

Valve Cover Assembly Part 3976175 Compatibility with Cummins Engines

This part, manufactured by Cummins, is designed to fit seamlessly with specific models of Cummins engines. This part is integral to the engine’s operation, providing a protective cover for the valve train components and ensuring the proper sealing of oil within the engine.

QSB6.7 CM850 (CM2850) Engine

The QSB6.7 CM850 (CM2850) engine is one of the models that can utilize the Valve Cover Assembly part 3976175. This engine is known for its robust performance and reliability, making it a popular choice in various applications. The valve cover assembly is crucial for maintaining the engine’s efficiency and longevity by preventing oil leaks and protecting internal components from contaminants ².

QSB7 CM2880 B117 Engine

Similarly, the QSB7 CM2880 B117 engine is another model that is compatible with the Valve Cover Assembly part 3976175. This engine is engineered to deliver high power output and durability, making it suitable for demanding industrial and commercial applications. The valve cover assembly plays a vital role in ensuring the engine’s smooth operation by providing a secure and leak-proof cover for the valve train ³.

Grouping of Compatible Engines

Both the QSB6.7 CM850 (CM2850) and QSB7 CM2880 B117 engines belong to the Cummins QSB series, which is renowned for its versatility and performance across various sectors. The use of the Valve Cover Assembly part 3976175 in these engines underscores its importance in maintaining the integrity and efficiency of the engine’s valve train system. This compatibility ensures that users can rely on a consistent and reliable performance from their engines, supported by high-quality components like the valve cover assembly ⁴.

Role of Part 3976175 Valve Cover Assembly in Engine Systems

The 3976175 Valve Cover Assembly is an integral component in the arrangement of various engine systems, ensuring the efficient and reliable operation of the engine. This assembly is designed to fit securely over the valve train, providing a sealed environment that protects the internal components from contaminants and moisture ¹.

Integration with Engine Components

Valve Train Protection: The primary function of the 3976175 Valve Cover Assembly is to encase the valve train, which includes the camshaft, rocker arms, and valves. This protective cover prevents debris and dirt from entering the valve compartment, which could otherwise lead to wear and potential engine failure ².
Sealing and Containment: The assembly is equipped with gaskets and seals that create a tight barrier, preventing oil leaks from the valve cover area. This is essential for maintaining proper lubrication levels within the engine, as oil loss can lead to increased friction and overheating ³.
PCV System Connection: The Positive Crankcase Ventilation (PCV) system is often integrated with the valve cover. The 3976175 Valve Cover Assembly includes provisions for the PCV valve, which helps manage crankcase pressure by allowing gases to be routed back into the intake manifold. This reduces emissions and improves engine efficiency ⁴.
Breather Functionality: Many valve cover assemblies, including the 3976175, feature a breather element. This allows for the release of pressure build-up within the crankcase, preventing oil from being forced past seals and gaskets. The breather also helps in maintaining a stable environment within the engine compartment ¹.
Wiring and Sensor Access: In modern engines, the valve cover often houses various sensors and wiring harnesses. The 3976175 Valve Cover Assembly is designed to accommodate these elements, ensuring that they are protected while still allowing for easy access during maintenance or replacement ².
Aesthetic and Structural Support: Beyond its functional roles, the valve cover assembly also contributes to the engine’s aesthetic appeal. It is often made from durable materials that not only protect the internal components but also add to the structural integrity of the engine bay ³.

Conclusion

In summary, the 3976175 Valve Cover Assembly plays a multifaceted role in engine systems, from protection and sealing to integration with vital systems like the PCV and breather functions. Its design ensures that the engine operates within optimal conditions, contributing to overall performance and longevity ⁴.

Reif, K. (Ed.). (2014). Fundamentals of Automotive and Engine Technology: Standard Drives, Hybrid Drives, Brakes, Safety Systems. Springer Vieweg.
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Denton, T., & Pells, H. (2022). Automotive Technician Training, Second Edition. Routledge.
↩ ↩ ↩ ↩ ↩
Khajepour, A. (2023). Synthesis Lectures on Advances in Automotive Technology. Springer.
↩ ↩ ↩ ↩ ↩
Bosch, R. (2014). Bosch Automotive Handbook 9th Edition. Robert Bosch GmbH.
↩ ↩ ↩ ↩ ↩

SPECIFICATIONS

Package Dimensions

30.9 x 10.9 x 9.0 in

Weight

1.45 lbs

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* 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.

3976175 Valve Cover Cummins®