Menu
Search
888.687.0539

Our offices are closed for Thanksgiving. Orders placed online will be processed on Monday 12/1/2025.

Our offices are closed for Thanksgiving. Orders placed online will be processed on Monday 12/1/2025.

Search by Part Number Close
Shopping cart Close

You have no items in your shopping cart.

Menu Close
Cummins 3901774 Flywheel Ring Gear.
Cummins 3901774 Flywheel Ring Gear.
Picture of 3901774

Cummins 3901774 Flywheel Ring Gear

Compatible With 4B 3.9, 4.5, 6B 5.9, and ISB 6.7 Engines

Genuine Cummins Part

Base price: $335.25
$301.73
i h
Restocking Fee Applies

PRODUCT NOTES

This is a genuine Cummins part shipped with a 12-month warranty.

Also available in aftermarket.

Call us at 888.687.0539 if you have any questions about this item.
As always, your satisfaction is guaranteed!

Related products

DS-3901774
Hassle-Free Return Item

FLYWHEEL RING GEAR - 4B 3.9 / B 4.5 / 6B 5.9 / ISB 6.7

$62.79

888.687.0539 (U.S.)|225.706.4858 (Int.)

Monday-Friday 7am-5pm CST
8784 S. Choctaw Dr. Baton Rouge, LA 70815
company information
Resources
Returns

Payment options

Complete your payment with a Visa card Complete your payment with a Master card Complete your payment with an American Express card Complete your payment using PayPal
Diesel Parts Direct BBB Business Review

Caterpillar® and all of the Caterpillar® engine models listed on this website are registered trademarks of Caterpillar, Inc. Cummins® and all of the Cummins® engine models listed on this website are registered trademarks of Cummins. Detroit Diesel® and all of the Detroit Diesel® engine models listed on this website are registered trademarks of Daimler AG. John Deere® and all of the John Deere® engine models listed on this website are registered trademarks of John Deere. Allison Transmission® and all of their transmission models listed on this website are registered trademarks of Allison Transmission®. Diesel Parts Direct is not an authorized dealer for Caterpillar, Cummins, Detroit Diesel, John Deere, or Allison Transmission. None of the parts beginning with "DS" or "R" are genuine Caterpillar, Cummins, Detroit Diesel, John Deere, or Allison Transmission items.

Copyright © 2025 Diesel Parts Direct. All rights reserved.
CID: 86714933