CROSS REFERENCE: 121887
APPLICATION: Ddifferential Eaton RD/RS/461/521/581/601
DETAILS: Gear Set Single Reduction Ratio: 3.70 Ring Gear: 37 Teeth Pinion Gear: 2.100in Spline Diameter x 41 Spline Teeth x 10 Teeth Drivetrain Differential Application.
| OEM Number | Description | Quantity |
| N/A | GEAR SET | 1 |
| 210508 | NUT | 1 |
BRAND: PAI 90910
Eaton 121887 Gear Set PAI 90910. Replacement truck parts and aftermarket truck parts. Provides consistent gear engagement and ensures smooth differential operation.
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.
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