4988420
Exhaust Manifold
Cummins®

The Cummins 4988420 Exhaust Manifold is a component designed for use in commercial trucks, playing a significant role in the efficient operation of the engine. This part is integral to the exhaust system, ensuring that exhaust gases are effectively managed and expelled from the engine cylinders ¹.

Basic Concepts of Exhaust Manifolds

An exhaust manifold is a component that collects exhaust gases from the individual cylinders of an engine and channels them into the exhaust system. It functions by consolidating the exhaust flow, which helps in reducing backpressure and improving the efficiency of the engine. The manifold is typically made from cast iron or stainless steel to withstand high temperatures and pressures ².

Purpose of the 4988420 Exhaust Manifold

The Cummins 4988420 Exhaust Manifold is specifically designed to manage exhaust gases from the engine cylinders in commercial trucks. It plays a role in the exhaust system by ensuring that gases are efficiently directed away from the engine, which helps in maintaining optimal engine performance and reducing emissions ³.

Key Features

The 4988420 Exhaust Manifold features a robust design that is tailored to handle the demanding conditions of commercial truck engines. It is constructed from high-quality materials that provide durability and resistance to heat and corrosion. The manifold is engineered to fit precisely with Cummins engines, ensuring a secure and efficient connection within the exhaust system ⁴.

Benefits

The Cummins 4988420 Exhaust Manifold offers several benefits, including improved engine efficiency through effective exhaust gas management. It contributes to reduced emissions by ensuring that gases are properly expelled from the engine. Additionally, its durable construction enhances the longevity of the component, providing reliable performance over time ⁵.

Installation Considerations

When installing the Cummins 4988420 Exhaust Manifold, it is important to ensure compatibility with the specific engine type. Proper fitting is crucial to maintain the integrity of the exhaust system and to ensure that the manifold functions as intended. Following manufacturer guidelines during installation will help in achieving optimal performance and durability ⁶.

Maintenance and Troubleshooting

To maintain the Cummins 4988420 Exhaust Manifold, regular inspections for signs of wear or damage are recommended. Common issues may include cracks or leaks, which can affect the performance of the exhaust system. Addressing these issues promptly can help in ensuring the continued efficient operation of the manifold ⁷.

Performance Impact

The Cummins 4988420 Exhaust Manifold impacts the overall performance of the truck by contributing to efficient engine operation. It plays a role in enhancing engine power by managing exhaust gases effectively, which can also lead to improved fuel efficiency. Additionally, its design helps in reducing emissions, contributing to a cleaner operating environment ⁸.

Cummins Overview

Cummins Inc. is a well-established company in the commercial truck industry, known for its commitment to quality and innovation. With a history of developing reliable and high-performance engine components, Cummins has built a reputation for excellence. The company continues to focus on advancing technology and providing solutions that meet the needs of commercial truck operators ⁹.

Conclusion

The 4988420 Exhaust Manifold is a vital component in the efficient operation of Cummins engines, particularly in commercial trucks. Its robust design, durable construction, and precise engineering ensure optimal performance and longevity. Regular maintenance and proper installation are key to maximizing the benefits of this Cummins part, contributing to enhanced engine efficiency, reduced emissions, and overall vehicle performance.