CUMMINS 3935205 Flywheel Engine Isb Nos 635393612129 3.9L 4BT 5.9L 6BT 6.7L

( Brand: Cummins ), ( Manufacturer Part Number: 3935205 ), ( Number Of Teeth: 159 ), ( Type: Flywheel ), ( Ring Gear Outside Diameter: 16.03 ), ( Vintage Part: No ), ( UPC: 635393612129 )

Review CUMMINS Flywheel Engine 3.9l 4bt 5.9l 6bt Isb 6.7l Nos

Introducing the Cummins 3935205 flywheel, a crucial component for engines powered by the 3.9L 4BT, 5.9L 6BT, ISB, and 6.7L NOS series. This flywheel, manufactured by Cummins, is a high-performance, reliable solution for ensuring smooth engine operation.

The Cummins 3935205 flywheel is machined from a robust material, ensuring durability and resistance to wear and tear. It is designed with a precise balance to minimize vibrations and reduce noise levels, providing a more comfortable driving experience. This flywheel is also engineered with a dual mass design, which further enhances its ability to absorb engine harmonics, reducing powertrain harshness.

The flywheel's surface is finished with a high-quality friction material, ensuring efficient power transmission from the engine to the transmission. The clutch pressure plate that comes with this flywheel is also designed to provide optimal clutch engagement and disengagement, ensuring smooth shifts and reducing wear on the clutch system.

Installation of the Cummins 3935205 flywheel is a straightforward process, with clear instructions and all necessary hardware included in the package. The flywheel is backed by Cummins' reputation for quality and reliability, giving you peace of mind and confidence in your engine's performance.

In summary, the Cummins 3935205 flywheel is an essential upgrade for engines powered by the 3.9L 4BT, 5.9L 6BT, ISB, and 6.7L NOS series. Its robust design, precise balance, and high-quality friction material make it a reliable and efficient solution for power transmission, reducing vibrations and improving driving comfort. Trust Cummins for your engine components and experience the difference in performance and reliability.

The Cummins 3935205 flywheel is a crucial component for engines such as 3.9L 4BT, 5.9L 6BT, ISB 6.9L, and 6.7L NOS. This flywheel plays a significant role in the smooth operation and efficiency of these engines. In this discussion, we will explore the pros and cons of purchasing this flywheel.

1. Durability: Cummins is a well-known brand for manufacturing heavy-duty components. The 3935205 flywheel is engineered to withstand the rigors of commercial use, ensuring long-lasting performance.

2. Balanced Design: The flywheel is precisely balanced to minimize vibration and provide optimal power transfer from the engine to the transmission.

3. Enhanced Performance: A high-quality flywheel can help improve engine performance by reducing power loss and ensuring efficient energy transfer.

4. OEM Part: Purchasing an OEM (Original Equipment Manufacturer) part like the Cummins 3935205 flywheel guarantees a perfect fit and compatibility with your engine.

1. Cost: OEM parts tend to be more expensive than aftermarket alternatives. The Cummins 3935205 flywheel might be a significant investment for some.

2. Availability: Depending on your location and supplier, it might be challenging to find this specific flywheel in stock.

3. Installation: Installing a flywheel requires specialized tools and expertise. If you're not confident in your abilities, it's recommended to seek professional help.

In conclusion, the Cummins 3935205 flywheel offers numerous benefits, including durability, balanced design, and enhanced performance. However, it comes with potential drawbacks such as cost, availability, and installation requirements. Ultimately, the decision to purchase this flywheel depends on your budget, engine application, and personal preferences.

If you're operating a commercial vehicle that relies on the reliability and efficiency of your engine, investing in a high-quality OEM flywheel like the Cummins 3935205 is a wise choice. However, if you're working on a budget or prefer an aftermarket alternative, be sure to research and consider other options carefully. Regardless of your decision, ensuring the proper installation and maintenance of your flywheel will contribute significantly to the overall performance and longevity of your engine.

Details:

Comes as shown in pictures. The Cummins Flywheel 3935205 is used primarily on Tier 1 5.9 liter B engines. It is used on a Cummins 3.9L 4BT 5.9L 6BT, ISB 6.7L motor with 12 or 13 in. This part is a new OE Replacement Cast Iron Flywheel.

See the Specifications tab for detailed. Never installed, Garage #1, Engine Manufacturer: Cummins, model: 4BT 6BT ISC, OE Part Number: 3935205, Casting Clutch Size: 12 or 13, Pressure Plate Bolt Hole Circle: 15.5 Flywheel Type: Flat, Ring Gear: 159T, Gear OD: 16.03, # of Crank-bolt holes and size: 8 x 0.510, Crank hole circle: Pilot opening: Bearing: PB-205SS PB-206SS. SAE 3 housing Reference numbers: 3902728, 3935204, 3935205, New old stock.

part #: 3935205 prices

• $402.00-$800.00

specifications flwheflepla:

• brand: Cummins
• mpn: 3935205
• number of teeth: 159
• type: Flywheel
• ring gear outside diameter: 16.03
• vintage part: No
• upc: 635393612129

offer flwheflepla:

• availability: In Stock
• started: February 23, 2026
• sold: 0
• options: Ship-to-home
• quantity: 1
• best offers: True

general flwheflepla:

• Car Truck Parts Accessories > Transmission Drivetrain > Flywheels Flexplates
• condition: New other see details

returns flwheflepla:

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

seller flwheflepla:

• rating: 99.1%
• # reviews: 300
• city: Pleasant Prairie, Wisconsin

shipping flwheflepla:

• service: USPS Ground Advantage
• transit: 3-8 Days
• class: Standard
• carrier: USPS
• type: Calculated
• cost: $128.45

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