The Meritor B40352-3 or B403523 is a genuine OEM differential gear set for heavy-duty drive axles. It carries a 3.73 ratio built from a 10-tooth pinion paired with a 41-tooth ring gear, referencing pinion number 41445. Axle model compatibility includes the RPXX380, RRXX380, and RSXX380 series. This gear set is sold individually as a unit pack and is an active production part. Call us to confirm the correct fit for your specific axle configuration before ordering.
Non returnable item
Features
3.73 gear ratio: 10-tooth pinion, 41-tooth ring gear
Pinion reference number 41445
Fits Meritor axle models RPXX380, RRXX380, and RSXX380
Genuine Meritor OEM part, active production status
Sold as a single unit pack
Available from Pro Gear and Transmission
Tech Specs
- Ratio: 3.73
- Pinion Tooth Count: 10
- Gear Tooth Count: 41
- Pinion: 41445
- Axle Model: RPXX380, RRXX380, RSXX380
