4981331
Air Intake Manifold
Cummins®

Introduction

The Cummins 4981331 Air Intake Manifold is a critical component for commercial trucks, designed to facilitate the efficient mixing of air and fuel. This part plays a significant role in the engine system, contributing to the overall efficiency and reliability of commercial vehicles ².

Basic Concepts of Air Intake Manifolds

An air intake manifold is essential for distributing the air-fuel mixture into the engine’s combustion chambers. It ensures each cylinder receives an equal amount of the mixture, which is vital for balanced engine performance. The manifold’s design and material can influence engine efficiency, power output, and emissions ¹.

Purpose of the Cummins 4981331 Air Intake Manifold

Engineered to enhance engine operation, this Cummins part ensures a consistent and optimal air-fuel ratio. This contributes to smoother engine operation and potentially improves fuel efficiency by enhancing the mixing process of air and fuel ².

Key Features

Constructed with durable materials, the 4981331 is designed to withstand the harsh conditions of commercial truck operations. Its design includes elements that enhance airflow and ensure even distribution of the air-fuel mixture to each cylinder. Precise engineering and robust construction are integral to its performance and longevity ³.

Benefits

Using this part can lead to improved engine performance due to better air-fuel mixing, increased durability thanks to its construction materials, and potential enhancements in fuel efficiency. These benefits contribute to the overall reliability and cost-effectiveness of truck operations ².

Installation Process

Installing the 4981331 involves several steps to ensure proper fitting and function. The process requires specific tools and careful attention to detail to avoid common installation pitfalls. Proper alignment and secure fastening are essential to ensure the manifold operates as intended and integrates seamlessly with the engine system ³.

Troubleshooting Common Issues

Common problems with the 4981331 may include leaks, uneven air-fuel distribution, or material wear. Troubleshooting these issues involves inspecting the manifold for signs of damage or wear, checking for proper seals and connections, and ensuring that the air-fuel mixture is distributed evenly. Addressing these problems promptly can help maintain engine performance and prevent further complications ³.

Maintenance Tips

To ensure the longevity and optimal performance of the 4981331, regular maintenance is recommended. This includes inspecting the manifold for any signs of wear or damage, cleaning it to remove any buildup that could affect airflow, and ensuring all connections are secure. Adhering to these maintenance practices can help prevent issues and extend the lifespan of the component ³.

Cummins Overview

Cummins Inc. is renowned in the commercial truck industry for its commitment to quality and innovation in engine components. With a history of providing reliable and high-performance parts, Cummins has built a reputation for excellence. The company’s dedication to advancing engine technology is evident in its product offerings, including the 4981331 Air Intake Manifold ².

Compatibility

The 4981331 is designed to fit a variety of Cummins engines, ensuring optimal airflow and performance. Compatible engines include:

• B6.7 Series: B6.7 CM2670, QSB6.7 CM850 (CM2850), QSB6.7 M CM2250
• ISB/ISD6.7 Series: ISB/ISD6.7 CM2150 SN
• ISBE Series: ISBE CM2150, ISBE4 CM850
• QSB7 Series: QSB7 CM2880 B117

This compatibility ensures that the manifold’s design aligns with the specific needs of these engines, enhancing their efficiency and power output ³.

Conclusion

The Cummins 4981331 Air Intake Manifold is a vital component in the engine’s air management system. Its role in facilitating efficient airflow and contributing to optimal engine performance makes it an essential part of commercial truck engines. Regular maintenance and proper installation are key to ensuring its longevity and effectiveness.