4931256
Exhaust Manifold
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$7,199.95 $8,567.94

Oversize Item

This is an oversize product. Additional shipping fees may apply.

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 Cummins Exhaust Manifold, part number 4931256, is a component designed for use in commercial trucks. It plays a significant role in the engine system by facilitating the efficient expulsion of exhaust gases. This part is integral to maintaining the performance and reliability of the truck’s engine.

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 directs them into the exhaust system. It operates by channeling the hot gases away from the engine, which helps in reducing back pressure and improving engine efficiency. Exhaust manifolds are typically manufactured from materials such as cast iron, stainless steel, or Inconel, each offering different properties like heat resistance, durability, and corrosion resistance 1.

Role of the Exhaust Manifold in Truck Operation

The exhaust manifold plays a role in the truck’s engine operation by ensuring the smooth and efficient expulsion of exhaust gases. This process is vital for maintaining engine performance, as it helps to reduce back pressure, which can otherwise impede the engine’s ability to expel exhaust gases effectively. By facilitating the efficient flow of exhaust gases, the manifold contributes to the overall efficiency and performance of the engine 2.

Key Features of Cummins Exhaust Manifold Part #4931256

The Cummins Exhaust Manifold Part #4931256 is characterized by its robust design and construction. It is built to withstand the high temperatures and pressures associated with commercial truck engines. The part is known for its durability and reliability, featuring a design that ensures a secure fit and efficient operation. Unique characteristics of this manifold include its precise engineering and high-quality materials, which contribute to its performance and longevity.

Benefits of Using Cummins Exhaust Manifold Part #4931256

Installing the Cummins Exhaust Manifold Part #4931256 in commercial trucks offers several advantages. These include improved engine performance due to efficient exhaust gas expulsion, enhanced durability under demanding conditions, and reliable operation over time. The manifold’s design and construction contribute to these benefits, making it a valuable component for truck engines.

Installation Considerations

Proper installation of the Cummins Exhaust Manifold Part #4931256 is important for ensuring its effective operation and longevity. It is recommended to follow the manufacturer’s guidelines for installation to ensure a proper fit and secure attachment. Attention to detail during installation can help prevent issues such as leaks or inefficient exhaust gas flow, which could affect engine performance.

Maintenance and Troubleshooting

To ensure the longevity and optimal performance of the Cummins Exhaust Manifold Part #4931256, regular maintenance is recommended. This includes inspecting the manifold for signs of wear or damage, ensuring all connections are secure, and addressing any issues promptly. Common problems may include leaks or corrosion, which can be identified through routine checks and addressed with appropriate repairs or replacements.

Cummins: A Brief Overview

Cummins Inc. is a well-established company in the commercial truck industry, known for its commitment to quality and innovation in engine components. With a history of developing reliable and high-performance engine parts, Cummins has built a reputation for excellence. The company’s focus on quality and innovation is evident in its product line, including the Cummins Exhaust Manifold Part #4931256.

Cummins Exhaust Manifold 4931256 Compatibility

The Cummins Exhaust Manifold part number 4931256 is designed to fit seamlessly with several Cummins engine models. This part is crucial for the efficient operation of the engine, as it plays a pivotal role in the exhaust system.

QSM11 Engines

The Cummins Exhaust Manifold 4931256 is specifically engineered to fit the QSM11 engine series. This series is known for its robust performance and reliability, making it a popular choice in various industrial applications. The manifold ensures optimal exhaust flow, contributing to the engine’s overall efficiency and power output.

CM570 Engines

Similarly, the Exhaust Manifold 4931256 is also compatible with the CM570 engine series. This series is designed for heavy-duty applications, providing substantial power and durability. The manifold’s design ensures that it can handle the high-pressure and high-temperature conditions typical of these engines, thereby enhancing their performance and longevity.

Grouping of Compatible Engines

While the Exhaust Manifold 4931256 is primarily associated with the QSM11 and CM570 engine series, it is essential to note that Cummins often designs parts to be compatible across multiple engine models within a similar performance range. This design philosophy ensures that technicians and fleet managers can easily source parts that fit their specific engine needs, promoting ease of maintenance and repair.

Role of Part 4931256 Exhaust Manifold in Engine Systems

The Exhaust Manifold, identified by part number 4931256, is an integral component in the efficient operation of various engine systems. Its primary function is to collect exhaust gases from the engine’s cylinders and direct them towards the exhaust system. This part is meticulously designed to handle high temperatures and pressures, ensuring reliable performance.

In the context of an arrangement involving a turbocharger, the Exhaust Manifold plays a significant role. It channels exhaust gases to the turbocharger, which uses the energy from these gases to spin a turbine. This turbine, in turn, drives a compressor that increases the air intake into the engine, enhancing overall performance and efficiency.

When considering the package of components that make up a modern engine system, the Exhaust Manifold is a key element. It interfaces with the cylinder head, ensuring a secure and leak-free connection. This integration is vital for maintaining the engine’s efficiency and reducing emissions.

During product installation, careful attention must be paid to the Exhaust Manifold’s positioning and sealing. Proper installation ensures that exhaust gases are effectively managed, preventing backpressure issues that could hinder engine performance. Additionally, it must be correctly aligned with other components such as the catalytic converter and muffler to maintain the flow of exhaust gases.

Conclusion

In summary, the Exhaust Manifold (part 4931256) is essential in the efficient operation of engine systems, particularly when integrated with turbochargers and other exhaust components. Its role in managing exhaust gases contributes significantly to the engine’s performance, efficiency, and emissions control.


  1. Reif, Konrad Ed. Fundamentals of Automotive and Engine Technology: Standard Drives, Hybrid Drives, Brakes, Safety Systems. Springer Vieweg, 2014.

  2. Hu, Haoran, Rudy Smaling, and Simon Baseley. Heavy-Duty Wheeled Vehicles. SAE International, 2014.

SPECIFICATIONS

Package Dimensions
47.75 x 17.75 x 14.75 in
Weight
90 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.