3067405
Exhaust Manifold
Cummins®

The Cummins 3067405 Exhaust Manifold is a component designed for use in commercial trucks. It plays a role in the engine’s exhaust system by managing the flow of exhaust gases from the engine cylinders. This part is significant in ensuring the efficient operation of the truck’s engine, contributing to overall performance and emissions control.

Basic Concepts of Exhaust Manifolds

An exhaust manifold is a part of an engine’s exhaust system that collects exhaust gases from the cylinders and directs them into the exhaust pipe. It functions by consolidating the exhaust streams from multiple cylinders into a single flow, which is then expelled from the vehicle. The manifold plays a role in the engine’s performance by ensuring that exhaust gases are efficiently removed, which helps maintain engine efficiency and reduce backpressure ¹.

Purpose of the 3067405 Exhaust Manifold

The Cummins 3067405 Exhaust Manifold is specifically designed to handle the exhaust gases produced by the engine cylinders in commercial trucks. It plays a role in the exhaust system by providing a pathway for these gases to exit the engine. By efficiently managing exhaust flow, this manifold contributes to the engine’s overall performance, including its power output and fuel efficiency.

Key Features

The Cummins 3067405 Exhaust Manifold is constructed using high-quality materials and advanced manufacturing techniques to ensure durability and performance. Its design includes features that enhance its ability to withstand high temperatures and pressures, common in commercial truck engines. The manifold is engineered to provide a reliable and efficient exhaust flow, which is crucial for maintaining engine performance.

Benefits

The Cummins 3067405 Exhaust Manifold offers several advantages. It contributes to improved engine efficiency by ensuring smooth exhaust gas flow, which can lead to better fuel economy. Additionally, by efficiently managing exhaust gases, it plays a role in reducing emissions, helping the vehicle meet environmental regulations. Its robust construction also enhances durability, providing long-term reliability in demanding commercial truck applications ².

Installation Considerations

When installing the Cummins 3067405 Exhaust Manifold, it is important to follow manufacturer guidelines to ensure proper fit and function. Compatibility with specific engine models should be verified to ensure optimal performance. Preparatory steps, such as inspecting the mounting area for cleanliness and integrity, are recommended to facilitate a smooth installation process.

Maintenance and Troubleshooting

Routine maintenance of the Cummins 3067405 Exhaust Manifold is important to ensure its continued efficient operation. This includes regular inspections for signs of wear or damage, such as cracks or leaks, which could affect performance. Common issues may include exhaust leaks or reduced efficiency, which can often be addressed through proper maintenance and, if necessary, professional repair or replacement.

Performance Impact

The Cummins 3067405 Exhaust Manifold plays a role in the overall performance of a commercial truck by influencing engine power, fuel efficiency, and emissions output. Its efficient design helps reduce backpressure, which can enhance engine performance. Additionally, by managing exhaust gases effectively, it contributes to lower emissions, aligning with environmental standards ³.

Cummins Overview

Cummins Inc. is a leading manufacturer in the commercial truck industry, known for its wide range of engine and component products. With a history of innovation and quality, Cummins has established a strong reputation for producing reliable and high-performance parts, including the 3067405 Exhaust Manifold. The company’s commitment to excellence is reflected in its product offerings, which are designed to meet the demanding requirements of commercial truck applications.

Exhaust Manifold 3067405 Compatibility with Cummins Engines

The Exhaust Manifold part number 3067405, manufactured by Cummins, is a critical component in the exhaust system of several Cummins engines. This part is designed to efficiently manage the flow of exhaust gases from the engine cylinders to the exhaust system, ensuring optimal performance and emissions control.

L10 CELECT

The L10 CELECT engine benefits from the 3067405 Exhaust Manifold due to its robust design and compatibility with the engine’s architecture. This manifold ensures that exhaust gases are properly directed, enhancing the engine’s efficiency and reducing back pressure.

M11 CELECT and M11 CELECT PLUS

Similarly, the M11 CELECT and M11 CELECT PLUS engines are equipped with the 3067405 Exhaust Manifold, which is engineered to fit seamlessly with these models. The manifold’s design supports the high-performance demands of these engines, providing a reliable connection between the engine and the exhaust system. This compatibility is crucial for maintaining the engine’s power output and ensuring smooth operation.

The 3067405 Exhaust Manifold is a versatile component that plays a vital role in the exhaust systems of the L10 CELECT, M11 CELECT, and M11 CELECT PLUS engines. Its design and fitment are critical for the efficient operation of these engines, ensuring that exhaust gases are managed effectively.

Role of Part 3067405 Exhaust Manifold in Engine Systems

The Exhaust Manifold, identified by part number 3067405, is integral to the efficient operation of various engine components. It serves as a conduit for the exhaust gases produced by the engine cylinders, directing them towards the turbocharger and other exhaust system components.

Interaction with Turbocharger Arrangement

In engines equipped with turbochargers, the Exhaust Manifold plays a significant role in the turbocharger arrangement. It collects the exhaust gases from multiple cylinders and channels them into the turbocharger. This process increases the turbocharger’s efficiency by providing a consistent flow of exhaust gases, which drives the turbine and compresses the intake air, thereby enhancing engine performance.

Contribution to Overall Exhaust System Efficiency

The design of the Exhaust Manifold is tailored to optimize the flow of exhaust gases. It is engineered to minimize backpressure, which can impede engine performance. By efficiently routing exhaust gases away from the engine, the Manifold helps maintain a smooth operation of the engine components, including the turbocharger.

Integration with Engine Arrangement

In the context of the engine arrangement, the Exhaust Manifold is positioned to interface seamlessly with the cylinder head(s) and the turbocharger. Its design considerations include the length, diameter, and angle of the manifold runners to ensure that exhaust gases are expelled effectively. This integration is vital for the overall performance and durability of the engine system.

Enhanced Turbocharger Performance

When part of a turbocharged engine system, the Exhaust Manifold’s role extends to enhancing turbocharger performance. By providing a steady stream of exhaust gases, it allows the turbocharger to spin at optimal speeds, which in turn increases the efficiency of the air intake process. This results in improved engine responsiveness and power output.

Conclusion

In summary, the Exhaust Manifold (part 3067405) is a key component in the exhaust system, particularly in turbocharged engines. Its proper function and design are essential for the efficient operation of the turbocharger and the overall performance of the engine.