Meritor Differential Service Gear Set P/N: B41278-1 or B412781. Genuine Meritor differential parts. We stock differential parts, bearings, shims, input shafts, pinion gears, snap rings, spacers, and anything else needed to rebuild your Meritor differential.
Interchanges:
- 79540
- ER79540
Tech Specs
- Gear Tooth Count: 37
- Ratio: 4.33
- Pinion Tooth Count: 8
- Axle Model: RDXX145, RPXX145
- Pinion: 41729
Used in these Meritor models