4371882
Rocker Lever Housing
Cummins®

The Cummins 4371882 Exhaust Manifold is a component designed for use in heavy-duty trucks. It serves a vital function in the engine’s exhaust system by directing exhaust gases away from the engine. This part is significant for maintaining the efficiency and performance of the truck’s engine, ensuring that exhaust gases are expelled effectively and efficiently ².

Basic Concepts of Exhaust Manifolds

An exhaust manifold is a part of an engine’s exhaust system that collects exhaust gases from the engine’s cylinders and directs them into the exhaust pipe. It plays a role in the engine’s operation by managing the flow of exhaust gases, which helps in maintaining engine efficiency and reducing emissions. The manifold is typically made from cast iron or stainless steel to withstand high temperatures and pressures ².

Purpose of the Cummins 4371882 Exhaust Manifold

This Cummins part is specifically engineered to channel exhaust gases away from the engine in heavy-duty trucks. By efficiently routing these gases, it contributes to the engine’s overall performance, helping to maintain optimal operating temperatures and reduce backpressure in the exhaust system. This efficient exhaust flow is crucial for the engine’s durability and efficiency ².

Key Features

This Cummins part is constructed with precision engineering and high-quality materials to ensure durability and performance. It is designed to withstand the high temperatures and pressures associated with heavy-duty truck engines. The manifold’s design includes features that enhance its ability to manage exhaust gases effectively, contributing to the engine’s efficiency and longevity ².

Benefits

This part offers several advantages, including improved engine efficiency through effective exhaust gas management. It also contributes to reduced emissions by ensuring that exhaust gases are expelled efficiently. Additionally, its robust construction enhances durability, making it a reliable component for heavy-duty applications ².

Installation Considerations

When installing this part, it is important to follow guidelines and best practices to ensure proper fit and function. Compatibility with various engine types should be considered, and any special requirements or precautions provided by the manufacturer should be observed to ensure optimal performance and safety ².

Troubleshooting and Maintenance

Common issues with this part may include leaks or damage due to extreme temperatures. Diagnostic procedures for identifying problems can involve visual inspections and pressure tests. Regular maintenance, such as checking for signs of wear or damage and ensuring proper installation, can help ensure optimal performance and longevity of the manifold ².

Performance Enhancements

There are potential modifications or upgrades that can be made to this part to further improve engine performance. These may include aftermarket options or tuning considerations that can enhance exhaust flow and efficiency, contributing to overall engine performance ².

Regulatory Compliance

This part is designed to comply with emissions regulations and standards, ensuring it meets environmental and safety requirements for commercial truck operation. This compliance is crucial for maintaining the vehicle’s legality and environmental responsibility ².

Cummins Corporation

Cummins Inc. is a well-established company in the automotive industry, known for its commitment to innovation and quality in manufacturing automotive components. With a history of producing reliable and high-performance parts, Cummins has built a reputation for excellence in the field of heavy-duty truck components ¹.

Exhaust Manifold 4371882 Compatibility with Cummins Engines

This Cummins part is designed to fit a variety of Cummins engines, ensuring efficient exhaust gas flow and optimal engine performance. Below is a detailed description of its compatibility with the listed engines:

GTA38 G CMEICS G116C

This part is compatible with the GTA38 G CMEICS G116C engine, providing a robust solution for managing exhaust gases and enhancing engine efficiency.

K19, K38, K50

This exhaust manifold is also suitable for the K19, K38, and K50 engines. These engines benefit from the manifold’s design, which helps in reducing back pressure and improving overall engine performance.

KTA19GC, KTA19GC CM558

This part fits the KTA19GC and KTA19GC CM558 engines. Its design ensures that exhaust gases are efficiently expelled, contributing to better engine operation and longevity.

KTA38GC CM558

For the KTA38GC CM558 engine, this part is engineered to handle the specific exhaust requirements of this engine model, ensuring optimal performance and efficiency.

QSK19 CM2350 K105, QSK19 CM2350 K114, QSK19 CM2350 K144G

This part is compatible with the QSK19 CM2350 K105, QSK19 CM2350 K114, and QSK19 CM2350 K144G engines. This manifold is designed to work seamlessly with these engines, facilitating efficient exhaust gas management.

QSK19 CM850 MCRS

This part fits the QSK19 CM850 MCRS engine, providing a reliable solution for managing exhaust gases and enhancing engine performance.

QSK38 CM2150 MCRS, QSK38 CM850 MCRS

This exhaust manifold is also compatible with the QSK38 CM2150 MCRS and QSK38 CM850 MCRS engines. Its design ensures efficient exhaust gas flow, contributing to the overall efficiency and performance of these engines.

QSK50 CM2150 K107, QSK50 CM2150 MCRS, QSK50 CM2350 K108

This part is suitable for the QSK50 CM2150 K107, QSK50 CM2150 MCRS, and QSK50 CM2350 K108 engines. Its design helps in managing exhaust gases effectively, ensuring optimal engine performance and efficiency.

Role of Part 4371882 Exhaust Manifold in Engine Systems

The Exhaust Manifold, identified by part number 4371882, is integral to the efficient operation of various engine components. It serves as a conduit for exhaust gases, directing them from the engine’s cylinders to the exhaust system. This role is essential for maintaining the engine’s performance and efficiency ².

Interaction with Key Components

• Intake Manifold: While the intake manifold is responsible for distributing air and fuel to the cylinders, the exhaust manifold collects exhaust gases post-combustion. This ensures a smooth flow of gases, which is vital for engine efficiency.

• Camshaft and Rocker Lever Housing: The operation of the camshaft and rocker lever housing is indirectly influenced by the exhaust manifold. Efficient exhaust gas removal allows for better intake air flow, which is crucial for the camshaft’s role in opening and closing valves at the right times.

• Aftercooler: In turbocharged engines, the aftercooler benefits from an efficient exhaust manifold. Proper exhaust flow helps in maintaining backpressure levels, which is essential for the aftercooler to function effectively in cooling the compressed air.

• Oil Pan and Dipstick/Oil Fill Arrangement: The exhaust manifold’s role in managing exhaust gases also impacts the engine’s overall temperature. This, in turn, affects the oil’s viscosity and its circulation within the oil pan and through the dipstick/oil fill arrangement.

• Lifting Arrangement and Bracket: During engine maintenance or replacement, the exhaust manifold’s design and placement are considerations for the lifting arrangement and brackets. Ensuring safe and efficient engine handling is dependent on the manifold’s structural integrity and positioning.

• Fuel System Components: Efficient exhaust flow facilitated by the manifold contributes to better engine performance, which is directly related to the fuel system’s efficiency. This includes components like the fuel injectors and fuel lines.

• Performance Parts and Base Parts: The exhaust manifold’s design can significantly influence the performance of aftermarket performance parts. Conversely, its compatibility with base parts is essential for maintaining engine reliability and performance.

Conclusion

In summary, the Exhaust Manifold (part 4371882) plays a significant role in the interplay between various engine components, ensuring optimal engine performance and efficiency. Its design and function are critical for maintaining the engine’s efficiency, reducing emissions, and ensuring compliance with regulatory standards ².