3914638
Camshaft
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$349.95 $416.44

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 3914638 Camshaft is a critical component in the engine systems of commercial trucks, significantly influencing the operation and performance of these vehicles. This part is designed to enhance engine efficiency and reliability, contributing to the overall effectiveness of the truck’s power system.

Basic Concepts of Camshafts

A camshaft is a shaft equipped with a series of cams or lobes that rotate to actuate the intake and exhaust valves of an internal combustion engine. Its primary functions include controlling the timing of valve opening and closing, which is essential for the engine’s combustion process. The camshaft interacts with other engine components such as the valve train, which includes the lifters, pushrods, and rocker arms, to ensure precise valve operation 1.

Role of the 3914638 Camshaft in Truck Operation

The 3914638 Camshaft is specifically engineered for use in commercial trucks, where it plays a pivotal role in the engine’s operation. This Cummins part influences engine performance and efficiency by optimizing the valve timing, which affects the air-fuel mixture intake and exhaust processes. Proper camshaft function is integral to achieving the desired power output and fuel efficiency in these heavy-duty applications 2.

Key Features of the 3914638 Camshaft

The 3914638 Camshaft boasts several unique features that enhance its performance. It is constructed from high-quality materials to ensure durability and reliability under the demanding conditions of commercial truck operation. The design elements of this camshaft, including its precise lobe profile and advanced manufacturing techniques, contribute to its efficient operation and longevity 3.

Benefits of Using the 3914638 Camshaft

Utilizing the 3914638 Camshaft in commercial trucks offers several advantages. It provides improved engine efficiency, which can lead to better fuel economy. Additionally, the camshaft’s reliable design contributes to the overall reliability of the engine, potentially increasing its lifespan. There may also be enhancements in power output, making the truck more capable in various operational scenarios.

Installation and Compatibility

When installing the 3914638 Camshaft, it is important to ensure compatibility with specific Cummins engine models. Proper fitting is crucial for the camshaft to function correctly within the engine system. Following manufacturer guidelines for installation will help maintain the integrity of the engine’s performance and ensure the camshaft operates as intended.

Maintenance and Troubleshooting

Regular maintenance practices are recommended to ensure the longevity and optimal performance of the 3914638 Camshaft. This includes checking for wear and proper lubrication, as well as monitoring the camshaft’s operation for any signs of malfunction. Troubleshooting common issues related to camshaft operation can often be addressed through routine maintenance and timely repairs.

Performance Enhancements

The 3914638 Camshaft contributes to overall engine performance by optimizing valve timing, which can lead to improvements in fuel efficiency and power delivery. Its design allows for more precise control over the engine’s air-fuel mixture, which is a key factor in achieving enhanced performance characteristics in commercial truck applications.

Cummins Corporation Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including diesel and natural gas engines, as well as related technologies. With a strong commitment to innovation, Cummins has a long-standing reputation for quality and reliability in the diesel engine market, serving various industries with its advanced power systems.

Conclusion

In summary, the 3914638 Camshaft is a fundamental component that interacts with various engine systems to ensure optimal operation and performance. Its design and specifications are tailored to complement the engine’s overall architecture and intended use, whether for everyday driving or high-performance applications.


  1. Huang, Matthew. Vehicle Crash Dynamics. CRC Press, 2002.

  2. Dixon, John. Modern Diesel Technology: Heating, Ventilation, Air Conditioning, Refrigeration, 2nd Edition. Cengage Learning, 2014.

  3. Cummins Inc. Service Manual (5579517). F3.8 CM2620 F137B Engine.

BILL OF MATERIALS

Name Quantity Part Number
Camshaft
* 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.