The Meritor A39662-1 or A396621 is a genuine Meritor differential service gear set for RDXX160 and RPXX160 series axles. This matched gear set carries a 3.73:1 ratio with an 11-tooth pinion (reference pinion 39879) and a 41-tooth ring gear. Matched gear sets like this one are replaced as a pair to maintain proper tooth contact and load distribution across the differential. If you need to verify this gear set fits your specific axle build, call us and we can help confirm the right part for your application. Pro Gear and Transmission sells genuine Meritor drivetrain components.
Interchanges:
- 1119436
- 1670233C91
- 81170651
- 8235A396621
- 9631A396621
- A396621RI
- ATIA396621
- E9HZ4309R
- SC408
- TDAA396621
Features
3.73:1 gear ratio
11-tooth pinion (pinion reference 39879)
41-tooth ring gear
Fits RDXX160 and RPXX160 axle models
Genuine Meritor differential gear set
Tech Specs
- Pinion Tooth Count: 11
- Gear Tooth Count: 41
- Ratio: 3.73
- Axle Model: RDXX160, RPXX160
- Pinion: 39879
Used in these Meritor models
