CROSS REFERENCE: 121889 SP121889
APPLICATION: Differential Eaton RD/RD/461/521/581/601
DETAILS: Gear Set Single Reduction Ratio: 4.33 Ring Gear: 39 Teeth Pinion Gear: 2.100in Spline Diameter x 41 Spline Teeth x 9 Teeth Drivetrain Differential Application.
| OEM Number | Description | Quantity |
| N/A | GEAR SET | 1 |
| 210508 | NUT | 1 |
BRAND: PAI 90940
Eaton 121889 Differential Gear Set PAI 90940. Aftermarket truck parts and heavy truck parts. Provides stable torque balance and ensures smooth differential performance under load.
All components are proudly manufactured in the U.S.A. by PAI Industries Inc., an ISO9001-certified company with over 50 years of experience in the heavy-duty truck parts industry. This part is built brand new with premium aftermarket quality and includes a 1-year unlimited mileage warranty. Trusted American manufacturing for reliable diesel performance.
Find the exact part you need using our search tool: