Description
Meritor Service Gear SetP/N: A38990-4 or A389904. 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.
Tech Specs
- Gear Tooth Count: 41
- Ratio: 4.56
- Pinion Tooth Count: 9
- Pinion: 41607
- Axle Model: RSXX120








