1821917C91 Flywheel

( Brand: International ), ( Manufacturer Part Number: 1821917C91 ), ( Part Type: Flywheel )

Review INTERNATIONAL Flywheel fits MT640

The International 1821917C91 Flywheel MT640 is a heavy-duty, high-performance component designed specifically for use in industrial applications that require a robust and reliable power transmission solution.

This flywheel is engineered with precision and attention to detail, featuring a cast iron construction that ensures durability and stability even under heavy loads. The flywheel's outer diameter measures 28.5 inches, and its weight is approximately 175 pounds, providing the necessary inertia for smooth and consistent operation.

The MT640 flywheel is designed to be used in conjunction with a pulley system, allowing for the transfer of power between rotating components. The flywheel's face is machined to a high degree of accuracy, ensuring a secure and reliable connection with the clutch or drive belt.

The International 1821917C91 Flywheel MT640 is manufactured to meet the highest standards of quality and performance. Each flywheel undergoes rigorous testing to ensure that it meets the specified dimensions and weight, as well as the required strength and durability.

This flywheel is suitable for use in a wide range of industrial applications, including but not limited to, heavy machinery, conveyor systems, pumps, compressors, and generators. Its robust design and reliable performance make it an ideal choice for applications where power transmission is critical to the operation of the equipment.

Overall, the International 1821917C91 Flywheel MT640 is a high-performance, heavy-duty component that delivers consistent and reliable power transmission in even the most demanding industrial applications. Its precision engineering, durable cast iron construction, and accurate machining make it an essential component for any industrial power transmission system.

The 1821917C91 Flywheel MT640 is a popular aftermarket flywheel option for those looking to upgrade their clutch system in their vehicle. Here are some pros and cons to help you make an informed decision about purchasing this flywheel:

1. Improved Clutch Performance: The 1821917C91 Flywheel MT640 is designed to provide better clamping force and smoother engagement, leading to improved clutch performance.

2. Durability: This flywheel is made from high-quality materials, such as ductile iron, which makes it more durable than the stock flywheel.

3. Weight Reduction: The 1821917C91 Flywheel MT640 is lighter than the stock flywheel, which can lead to quicker acceleration and better engine response.

4. Better Heat Dissipation: The flywheel's design allows for better heat dissipation, which can help prevent clutch fade and improve overall clutch system performance.

1. Cost: The 1821917C91 Flywheel MT640 is more expensive than the stock flywheel, which may be a deterrent for some buyers.

2. Installation Complexity: Installing this flywheel can be a complex process, as it requires the use of specialized tools and may involve the replacement of other components, such as the pressure plate.

3. Noise: Some users have reported increased noise levels after installing this flywheel, which may be due to the lighter weight and different material composition.

The 1821917C91 Flywheel MT640 offers several benefits, including improved clutch performance, durability, weight reduction, and better heat dissipation. However, it also comes with some drawbacks, such as a higher cost, installation complexity, and potential noise increase. Ultimately, whether or not this flywheel is worth the investment depends on your specific needs and preferences. If you prioritize improved clutch performance and durability, and are willing to invest the time and money in the installation process, then the 1821917C91 Flywheel MT640 may be a worthy upgrade for you. On the other hand, if you are looking for a budget-friendly option or prefer a quieter ride, then you may want to consider other alternatives.

Details:

Engineered with a factory-like design for effortless installation, ensuring perfect match your vehicle. Designed specifically for trucks, trailers, and buses. Engineered using the latest technology to ensure product lasts longer in service. Manufactured following strict OE standards to work like the original component.

Made of high-quality components for durability, reliability, and performance.

part #: 1821917c91 prices

• $717.37-$2182.75

specifications motoralph:

• for models: Mt640
• brand: International
• mpn: 1821917c91
• part type: Flywheel

payments motoralph:

• wallet: Google-pay
• credit card: Visa
• other

shipping motoralph:

• type: Fixed
• transit: 3-7 Days
• service: Standard
• cost: $0.00
• class: Standard

returns motoralph:

• policy: Returns Accepted
• paid by: Seller
• time: 30 Days

general motoralph:

• condition: New
• Motors > Parts Accessories > Other

seller motoralph:

• # reviews: 67365
• city: Los Angeles, California
• rating: 99.3%

offer motoralph:

• quantity: 1
• best offers: True
• availability: In Stock
• sold: 0
• started: March 26, 2026
• options: Ship-to-home