The Meritor A39884-5 or A398845 service gear set is a genuine Meritor ring gear and drive pinion pair with a 3.91 ratio, made up of a gear with 43 teeth and a pinion with 11 teeth. It is listed for RRXX160 and RSXX160 axle models, and the pinion is 41277. A service gear set sits in the heavy-duty differential, where it carries torque from the driveshaft into the axle and on to the wheels. Match the ratio and tooth counts to your axle before ordering, or call Pro Gear and Transmission to confirm proper fit for your application.
Features
Genuine Meritor service gear set
Ratio: 3.91
Gear tooth count: 43, pinion tooth count: 11
Pinion: 41277
Listed for RRXX160 and RSXX160 axle models
Tech Specs
- Pinion Tooth Count: 11
- Gear Tooth Count: 43
- Ratio: 3.91
- Pinion: 41277
- Axle Model: RRXX160, RSXX160