3691003
Flywheel
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$919.95 $1,094.74

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 3691003 Flywheel is a component designed for use in commercial trucks, playing a significant role in the engine’s operation. Its purpose is to store rotational energy and smooth out the power delivery from the engine to the transmission. This part is integral to the efficient and reliable performance of trucks, ensuring that the engine operates smoothly under various driving conditions.

Basic Concepts of a Flywheel

A flywheel is a mechanical device specifically designed to efficiently store rotational energy. It resists changes in rotational speed, providing a smoothing effect on the power delivered by an internal combustion engine. In an engine, the flywheel performs several functions: it helps to maintain rotational energy during the power strokes of the engine, stabilizes the engine’s speed, and assists in the operation of the starter motor during engine cranking. Its contribution to the smooth operation of a vehicle is significant, as it helps to reduce vibrations and ensure consistent power delivery 1.

Role of the 3691003 Flywheel in Truck Operation

The Cummins 3691003 Flywheel plays a specific role in the operation of a truck by interacting with other engine components to enhance performance. It works in conjunction with the engine’s crankshaft to store and release energy as needed, ensuring that the truck’s engine operates efficiently. This part is designed to handle the high torque and power outputs typical of commercial truck engines, contributing to the overall reliability and performance of the vehicle.

Key Features of the 3691003 Flywheel

The Cummins 3691003 Flywheel is characterized by several key features that enhance its performance. Its design incorporates high-strength materials to withstand the rigors of commercial truck operation. The flywheel is engineered to provide optimal balance and weight distribution, which is crucial for smooth engine operation. Additionally, it features a precision-machined surface to ensure a perfect fit with the engine’s crankshaft and clutch assembly, contributing to its durability and efficiency.

Benefits of Using the 3691003 Flywheel

Utilizing the Cummins 3691003 Flywheel in a truck engine offers several benefits. It contributes to improved engine performance by ensuring smooth power delivery and reducing vibrations. The flywheel’s durable construction enhances the engine’s longevity, while its efficient design helps to optimize fuel consumption. Moreover, the flywheel’s ability to store and release energy effectively supports the engine’s operation under various load conditions, making it a valuable component for commercial trucks.

Installation and Compatibility

Proper installation of the Cummins 3691003 Flywheel is crucial for ensuring its optimal performance and longevity. It is designed to be compatible with specific truck models and engine types, ensuring a precise fit and function within the engine assembly. Following the manufacturer’s guidelines for installation is recommended to maintain the flywheel’s integrity and ensure it operates as intended.

Maintenance and Troubleshooting

Maintaining the Cummins 3691003 Flywheel involves regular inspections for signs of wear or damage, ensuring that it remains in optimal condition. Common issues that may arise include imbalance, wear on the flywheel surface, or damage to the flywheel’s mounting points. Troubleshooting these issues typically involves a thorough inspection of the flywheel and related components, followed by necessary repairs or replacements to restore the engine’s performance.

Performance Enhancements

The Cummins 3691003 Flywheel contributes to overall engine performance by aiding in torque management and ensuring smooth idling. Its design allows for efficient energy storage and release, which is crucial for maintaining consistent engine speed and power delivery. This results in improved drivability and reduced engine wear, enhancing the truck’s operational efficiency.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and power generation products. With a history of innovation and quality, Cummins has established a reputation for producing high-quality automotive components that meet the demanding requirements of commercial and industrial applications. The company’s commitment to excellence is reflected in its products, including the Cummins 3691003 Flywheel, which is designed to deliver reliable performance in commercial truck engines 2.

Conclusion

The Cummins 3691003 Flywheel is a critical component in the operation of commercial truck engines. Its role in storing rotational energy, smoothing power delivery, and assisting in engine start-up makes it indispensable for the efficient and reliable performance of trucks. Proper installation, maintenance, and understanding of its features and benefits are essential for maximizing the performance and longevity of this part in commercial truck applications.


  1. Halderman, James D. Automotive Principles: Diagnosis and Service. Prentice Hall, 2012.

  2. Mom, Gijs. The Evolution of Automotive Engineering: A Handbook. SAE International, 2023.

SPECIFICATIONS

Package Dimensions
23.125 x 23.125 x 5.5 in
Weight
74 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.