3045941
Exhaust Manifold Gasket
Cummins®

AVAILABLE

Cummins®

4 are currently available

Ships within 2-4 business days

$33.95 $40.40

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 Exhaust Manifold Seal (Part #3045941) by Cummins is a component designed to ensure the efficient operation of heavy-duty trucks. Cummins, a renowned manufacturer in the diesel engine industry, produces this seal to enhance the performance and reliability of exhaust systems in demanding environments. This part is integral to maintaining the integrity of the exhaust system, ensuring optimal engine performance and compliance with emissions standards 1.

Function and Operation

The Exhaust Manifold Seal operates by creating a tight seal between the exhaust manifold and the engine block or cylinder head. This seal is crucial for directing exhaust gases away from the engine and into the exhaust system. It functions under high-temperature conditions, where it must maintain its integrity to prevent leaks. The seal works on the principle of compression, where it is squeezed between two surfaces to create a barrier that prevents the escape of exhaust gases 2.

Purpose of the Exhaust Manifold Seal

The Exhaust Manifold Seal (Part #3045941) plays a specific role in the operation of a truck by ensuring that exhaust gases flow smoothly from the engine to the exhaust system without leakage. This seal helps in maintaining the pressure within the exhaust system, which is necessary for efficient engine operation. By preventing leaks, it also ensures that harmful emissions are properly directed through the exhaust system, contributing to reduced environmental impact 3.

Key Features

The primary characteristics of the Exhaust Manifold Seal include its material composition, typically made from heat-resistant materials such as graphite or metal, which allow it to withstand high temperatures and pressures. The design of the seal often includes features like grooves or ridges to enhance its sealing capabilities. Additionally, the seal may have unique attributes such as anti-seize coatings to prevent corrosion and ensure longevity under demanding conditions.

Benefits

Using the Cummins Exhaust Manifold Seal offers several advantages. It contributes to improved engine efficiency by ensuring that exhaust gases are properly directed, which can lead to better fuel economy. The seal also plays a role in reducing emissions by preventing leaks that could allow exhaust gases to escape into the environment. Furthermore, its durable construction ensures that it can withstand the rigors of heavy-duty truck operation, providing long-lasting performance.

Installation Considerations

When installing the Exhaust Manifold Seal, it is important to follow guidelines and best practices to ensure proper fit and function. This includes adhering to torque specifications when tightening the manifold to the engine block or cylinder head to avoid over-tightening, which could damage the seal, or under-tightening, which could lead to leaks. Proper alignment of the seal within the manifold is also critical to ensure an effective seal.

Common Issues and Troubleshooting

Typical problems associated with Exhaust Manifold Seals include leaks or failure due to wear, corrosion, or improper installation. To diagnose these issues, one should inspect the seal for signs of damage or wear and check for any exhaust leaks. If a leak is detected, the seal may need to be replaced. Ensuring that the manifold is properly torqued and aligned during installation can help prevent these issues.

Maintenance Tips

To prolong the service life of the Exhaust Manifold Seal, regular maintenance is recommended. This includes periodic inspection of the seal for signs of wear or damage, cleaning the area around the seal to prevent buildup that could affect its performance, and replacing the seal if it shows signs of failure. Adhering to manufacturer-recommended inspection intervals can help ensure the seal remains in optimal condition.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes diesel and natural gas engines, as well as related technologies. With a history spanning over a century, Cummins has established itself as a leader in the diesel engine manufacturing industry, known for its commitment to quality, innovation, and customer satisfaction. The company’s expertise in engine technology and components, including the Exhaust Manifold Seal, underscores its dedication to enhancing the performance and reliability of heavy-duty trucks.

Cummins Exhaust Manifold Seal 3045941 Compatibility

The Cummins Exhaust Manifold Seal part number 3045941 is designed to fit seamlessly with various engine models, ensuring a secure and effective seal between the exhaust manifold and the engine block. This seal is crucial for maintaining the integrity of the exhaust system and preventing leaks, which can lead to performance issues and increased emissions.

V28 Engines

The Exhaust Manifold Seal 3045941 is specifically engineered to fit the V28 engine series. This seal is essential for maintaining the proper sealing between the exhaust manifold and the engine block, ensuring optimal performance and efficiency. The V28 engine series is known for its robust design and reliability, making it a popular choice in various industrial and commercial applications.

Grouping of Engines

In addition to the V28 engines, the Exhaust Manifold Seal 3045941 is compatible with other Cummins engine models that share similar design specifications. This includes engines that utilize a V-configuration and have a similar exhaust manifold setup. The seal’s design allows it to adapt to the specific contours and dimensions of the exhaust manifold, providing a consistent and reliable seal across different engine types.

Role of Part 3045941 Exhaust Manifold Seal in Engine Systems

The Exhaust Manifold Seal, identified by part number 3045941, is an essential component in ensuring the efficient and reliable operation of various engine systems. This seal is specifically designed to create a tight and secure connection between the exhaust manifold and the engine block, preventing the escape of exhaust gases.

In the context of an Exhaust Manifold and Turbocharger Mounting system, the seal plays a significant role in maintaining the integrity of the exhaust path. It ensures that the turbocharger receives a consistent flow of exhaust gases, which is vital for its efficient operation. The seal helps in reducing the risk of turbocharger failure due to inconsistent exhaust flow.

When considering an Exhaust Manifold Conversion Kit, the Exhaust Manifold Seal is integral to the successful adaptation of the new manifold to the engine. It ensures that the conversion does not result in exhaust leaks, which could lead to performance issues and increased emissions.

In a Kit Spares scenario, having a reliable Exhaust Manifold Seal is important for maintaining engine performance and longevity. It allows for quick and effective repairs, minimizing downtime and ensuring that the engine operates within optimal parameters.

For the Manifold, Exhaust, and Spares Kit, the seal is a key component that ensures all parts of the exhaust system work in harmony. It prevents leaks that could otherwise cause a drop in engine efficiency and increase the likelihood of harmful emissions.

In the case of an Upper Engine Gasket Kit or Upper Engine Gasket Set, the Exhaust Manifold Seal complements these components by providing a comprehensive sealing solution. It ensures that all gaskets and seals within the upper engine area function as intended, contributing to overall engine reliability.

Lastly, in Turbo Location and Turbocharger Mounting systems, the seal is vital for maintaining the turbocharger’s efficiency. It ensures that the exhaust gases are directed properly, allowing the turbocharger to operate within its designed parameters, thus enhancing engine performance and fuel efficiency.

Conclusion

The Cummins Exhaust Manifold Seal (Part #3045941) is a critical component for the efficient and reliable operation of heavy-duty truck engines. Its role in preventing exhaust leaks, maintaining system pressure, and ensuring compliance with emissions standards underscores its importance. Proper installation, regular maintenance, and understanding its compatibility with various engine models are essential for maximizing the benefits of this Cummins part.


  1. Gifford, Clive. Cars Encyclopedia. DK Publishing, 2014.

  2. Sobey, Ed. A Field Guide to Automotive Technology. Chicago Review Press, 2009.

  3. Watson, Ben. Mobile Equipment Hydraulics A Systems and Troubleshooting Approach. Cengage Learning, 2011.

SPECIFICATIONS

Service Part Topic
86T11-4
Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
8.0 x 6.0 x 0.1 in
Weight
0.06 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.