3328948
Exhaust Manifold Gasket
Cummins®

Introduction

This article provides a comprehensive overview of the Exhaust Manifold Gasket (Part #3328948) manufactured by Cummins. It covers the basic concepts, purpose, key features, benefits, and maintenance suggestions related to this component.

Basic Concepts of Exhaust Manifold Gaskets

An Exhaust Manifold Gasket is a sealing component used between the exhaust manifold and the engine block or cylinder head. Its primary function is to create a seal that prevents exhaust gases from leaking into the engine compartment. This seal plays a crucial role in maintaining engine efficiency and reducing emissions ¹.

Purpose of the 3328948 Exhaust Manifold Gasket

The 3328948 Exhaust Manifold Gasket by Cummins is designed to ensure a tight seal between the exhaust manifold and the engine block. This seal helps in directing exhaust gases away from the engine, thereby improving engine performance and reducing the risk of engine damage due to leaks.

Key Features

• Made from high-quality materials to withstand high temperatures and pressures.
• Designed specifically for Cummins engines to ensure compatibility and optimal performance.
• Features precise manufacturing tolerances to ensure a perfect fit and effective seal.
• Resistant to corrosion and degradation, ensuring long-term durability.

Benefits

• Enhances engine performance by maintaining an effective seal ¹.
• Reduces the risk of exhaust leaks, which can lead to engine damage.
• Contributes to lower emissions by preventing exhaust gases from escaping.
• Improves fuel efficiency by ensuring that exhaust gases are properly directed.
• Extends the lifespan of the engine by preventing exposure to harmful exhaust gases.

Troubleshooting and Maintenance

Regular inspection of the Exhaust Manifold Gasket is recommended to identify any signs of wear or damage. Common issues include cracks, warping, or hardening of the gasket material. If any defects are found, the gasket should be replaced to maintain the integrity of the exhaust system. Additionally, ensuring proper torque when installing the exhaust manifold can help prevent gasket failure.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. Known for their reliability and performance, Cummins components are widely used in various industries, including commercial trucking. The company is committed to innovation and sustainability, providing solutions that meet the evolving needs of their customers.

Exhaust Manifold Gasket Fitment for Cummins Engines

The Exhaust Manifold Gasket part number 3328948, manufactured by Cummins, is designed to fit a variety of Cummins engines. Here is a detailed breakdown of its compatibility across different engine models:

ISM Series Engines

• ISM CM570
• ISM CM570/870
• ISM CM876
• ISM11 CM876 SN

This Cummins part is specifically engineered to fit the ISM series engines, ensuring a proper seal between the exhaust manifold and the engine block. This gasket is crucial for maintaining the integrity of the exhaust system and preventing leaks.

L10 Series Engines

• L10 CELECT
• L10 GAS
• L10 MECHANICAL

For the L10 series engines, the Exhaust Manifold Gasket part number 3328948 is also compatible. This gasket is designed to fit the unique design of the L10 engines, providing a reliable seal that enhances performance and durability.

M11 Series Engines

• M11 CELECT
• M11 CELECT PLUS
• M11 MECHANICAL

The Exhaust Manifold Gasket part number 3328948 is suitable for the M11 series engines as well. This gasket ensures a tight seal between the exhaust manifold and the engine block, which is essential for maintaining optimal engine performance and efficiency.

QSM11 Series Engines

• QSM11 CM570
• QSM11 CM876

Lastly, the Exhaust Manifold Gasket part number 3328948 fits the QSM11 series engines. This gasket is designed to meet the specific requirements of these engines, ensuring a perfect fit and reliable sealing performance.

By using the Exhaust Manifold Gasket part number 3328948, users can ensure that their Cummins engines maintain a secure and efficient seal, contributing to overall engine performance and longevity.

Role of Part 3328948 Exhaust Manifold Gasket in Engine Systems

The Exhaust Manifold Gasket (part 3328948) serves as a vital sealing component within various engine systems, ensuring the integrity and efficiency of the engine’s exhaust system.

Integration with Key Components

1. Exhaust Manifold Kit: The gasket fits between the exhaust manifold and the cylinder block, providing a secure seal that prevents exhaust gases from leaking. This ensures that the gases are directed efficiently towards the turbocharger arrangement and subsequent exhaust components.

2. Turbocharger Arrangement: By sealing the exhaust manifold, the gasket helps maintain the necessary backpressure for the turbocharger to function optimally. This results in improved airflow and enhanced engine performance.

3. EGR (Exhaust Gas Recirculation) System:

   • EGR Cooler Kit: The gasket ensures that exhaust gases entering the EGR cooler do not leak, maintaining the cooler’s efficiency in reducing nitrogen oxides.
   • Exhaust Recirculation Gasket Kit: Works in conjunction with the EGR valve and cooler to seal connections, ensuring that recirculated exhaust gases are effectively managed.
   • ISM EGR Valve: Proper sealing by the gasket is essential for the EGR valve to function correctly, allowing for precise control of exhaust gas recirculation.

4. Upper Engine Gasket Set: The exhaust manifold gasket is often part of a comprehensive upper engine gasket set, which includes various gaskets designed to seal different engine components. This set ensures overall engine integrity by preventing leaks across multiple interfaces.

5. Overhaul Kits:

   • Overhaul (M-11) Kit: Included in overhaul kits, the gasket is crucial for restoring the engine to factory specifications by ensuring all seals are intact during an engine rebuild.
   • Engineering Valve Kit: While primarily focused on valve components, the integrity of the exhaust manifold gasket complements the kit by ensuring no exhaust leaks occur around the manifold.

6. Campaign and Product Installation Kits: Often included in these kits, the gasket facilitates easy and effective installation of new or replacement parts, ensuring that all connections are sealed properly during maintenance or upgrade procedures.

7. Mounting and Arrangement: Proper installation of the exhaust manifold gasket is essential during the mounting of the exhaust manifold to the cylinder block. This ensures that the manifold is securely fastened and sealed, contributing to the overall structural integrity of the engine.

Conclusion

In summary, the Exhaust Manifold Gasket (part 3328948) plays a significant role in maintaining the seals within various engine systems, contributing to the efficiency, performance, and longevity of the engine. Regular maintenance and proper installation are crucial to ensure the gasket’s effectiveness and the engine’s overall health.