3937467
Exhaust Manifold
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$879.95 $1,047.14

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 Part #3937467 by Cummins is a component designed for use in commercial trucks. It serves a significant role in the engine system by managing the flow of exhaust gases. This part is integral to maintaining the efficiency and performance of the truck’s engine, ensuring that exhaust gases are effectively directed away from the engine compartment.

Basic Concepts of Exhaust Manifolds

An exhaust manifold is a part of the engine system that collects exhaust gases from the engine’s cylinders and channels them into the exhaust system. Its function is to provide a pathway for these gases to exit the engine, reducing back pressure and improving engine performance. The manifold is typically made from heat-resistant materials to withstand the high temperatures of exhaust gases 1.

Purpose of the 3937467 Exhaust Manifold

The 3937467 Exhaust Manifold by Cummins is specifically engineered to enhance the operation of commercial trucks. It plays a role in the engine’s exhaust system by efficiently routing exhaust gases away from the engine. This part contributes to engine efficiency by ensuring that exhaust gases are expelled smoothly, which can help maintain optimal engine performance and fuel efficiency 2.

Key Features

The 3937467 Exhaust Manifold is characterized by its robust design and the use of high-quality materials. It is constructed to withstand the demanding conditions of commercial truck operations. The manifold’s design includes features that promote even distribution of exhaust gases, which can enhance engine performance. Additionally, its materials are selected for their durability and resistance to the high temperatures and corrosive environments typical in exhaust systems 3.

Benefits of Using the 3937467 Exhaust Manifold

Utilizing the 3937467 Exhaust Manifold in a truck’s engine system can lead to several advantages. These include improved engine performance due to efficient exhaust gas management, enhanced durability thanks to its construction, and potential cost savings over time as a result of its longevity and reduced need for frequent replacements.

Installation Considerations

When installing the 3937467 Exhaust Manifold, it is important to follow Cummins’ guidelines to ensure proper fit and function. This may involve specific torque settings for fasteners and ensuring that all connections are secure and leak-free. Adhering to these recommendations helps maintain the integrity of the exhaust system and ensures the manifold operates as intended.

Common Issues and Troubleshooting

Common issues with the 3937467 Exhaust Manifold may include leaks at the connections, cracks in the manifold itself, or blockages within the manifold. Troubleshooting these issues typically involves inspecting the manifold for signs of damage, ensuring all connections are tight, and checking for any obstructions in the exhaust path. Addressing these problems promptly can help maintain the efficiency of the exhaust system.

Maintenance Tips

To ensure the longevity and optimal performance of the 3937467 Exhaust Manifold, routine maintenance is recommended. This includes regular inspections for signs of wear or damage, ensuring that all connections remain secure, and addressing any issues as they arise. Keeping the manifold clean and free from excessive buildup can also contribute to its durability and efficiency.

Cummins Overview

Cummins is a well-established manufacturer in the commercial truck industry, known for its commitment to quality and innovation. With a history of producing reliable and high-performance components, Cummins has built a reputation for excellence in the manufacturing of commercial truck parts. Their focus on quality and innovation is evident in the design and construction of parts like the 3937467 Exhaust Manifold.

Exhaust Manifold 3937467 Compatibility with Cummins Engines

The Cummins Exhaust Manifold part number 3937467 is designed to fit a range of Cummins engines, ensuring optimal performance and reliability. This part is engineered to handle the exhaust gases efficiently, contributing to the overall efficiency and longevity of the engine.

ISL CM554 and QSC8.3 CM554

The Exhaust Manifold 3937467 is compatible with both the ISL CM554 and the QSC8.3 CM554 engines. These engines are known for their robust design and are commonly used in various applications, including heavy-duty trucks and industrial machinery. The manifold’s design ensures that it can effectively manage the exhaust flow from these engines, enhancing their operational efficiency.

QSL8.9 CM2150 L141 and QSL9 CM554

Similarly, the Exhaust Manifold 3937467 is also suitable for the QSL8.9 CM2150 L141 and the QSL9 CM554 engines. These engines are part of the Cummins QSL series, which is recognized for its high power output and durability. The manifold’s fitment with these engines ensures that the exhaust gases are expelled efficiently, contributing to the engine’s overall performance and reducing emissions.

QSL9 CM850 (CM2850)

Lastly, the Exhaust Manifold 3937467 is also compatible with the QSL9 CM850 (CM2850) engine. This engine is part of the Cummins QSL series and is designed for high-performance applications. The manifold’s design is tailored to handle the specific exhaust requirements of this engine, ensuring that it operates at peak efficiency.

By ensuring compatibility with these engines, the Exhaust Manifold 3937467 plays a crucial role in maintaining the performance and reliability of the engines it is used with.

Role of Part 3937467 Exhaust Manifold in Engine Systems

The Exhaust Manifold, identified by part number 3937467, is an integral component in the arrangement of various engine systems, particularly when paired with turbochargers. Its primary function is to collect exhaust gases from the engine’s cylinders and direct them towards the turbocharger.

In systems equipped with the Turbocharger ISL-Uprate Kit, the Exhaust Manifold plays a significant role. It ensures that the exhaust gases are efficiently channeled to the turbocharger, where they spin the turbine. This process compresses the intake air, enhancing engine performance and efficiency.

The integration of the Exhaust Manifold with the Turbocharger ISL-Uprate Kit is designed to optimize the flow of exhaust gases. This optimization is essential for the turbocharger to function effectively, as it relies on the momentum of these gases to operate.

Furthermore, the Exhaust Manifold’s design and material are tailored to withstand high temperatures and pressures, ensuring durability and reliability in demanding engine environments. Its efficient design contributes to reduced backpressure, which is beneficial for both engine performance and fuel efficiency.

Conclusion

In summary, the Exhaust Manifold (part 3937467) is a key component in the arrangement of engine systems, especially when integrated with turbochargers like the ISL-Uprate Kit. Its role in managing exhaust gas flow is essential for the optimal operation of these systems.


  1. Richards, P., & Barker, J. (2023). Automotive Fuels Reference Book. SAE International.

  2. Reif, K. (2014). Fundamentals of Automotive and Engine Technology: Standard Drives, Hybrid Drives, Brakes, Safety Systems. Springer Vieweg.

  3. Harrison, M. (2004). Controlling Noise and Vibration in Road Vehicles. SAE International.

SPECIFICATIONS

Package Dimensions
13.0 x 11.0 x 6.25 in
Weight
10.85 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.