USA standard Master Overhaul kit for mid 2011 & up GM & Chrysler 11.5" AAM diff
USA Standard Gear Master Overhaul Kits provide all of the necessary parts for a differential overhaul in one simple part number. Save time and money, and get the exact parts you need for your specific installation.

Fitment
| Year | Make | Model | Driveline |
|---|---|---|---|
| 2011-2013 | Ram | 2500 | 4WD |
| 2011-2013 | Ram | 2500 | RWD |
| 2011-2013 | Ram | 3500 | 4WD |
| 2011-2013 | Ram | 3500 | RWD |
| 2011-2019 | Chevrolet | Silverado 2500 HD | 4WD |
| 2011-2019 | Chevrolet | Silverado 2500 HD | RWD |
| 2011-2019 | Chevrolet | Silverado 3500 HD | 4WD |
| 2011-2019 | Chevrolet | Silverado 3500 HD | RWD |
| 2011-2019 | GMC | Sierra 2500 HD | 4WD |
| 2011-2019 | GMC | Sierra 2500 HD | RWD |
| 2011-2019 | GMC | Sierra 3500 HD | 4WD |
| 2011-2019 | GMC | Sierra 3500 HD | RWD |
Features
- Fits 2011 and up GM and Chrysler 11.5"
- Uses Koyo bearings and races
- Included are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve, thread locker, marking compound with brush and gasket.
Quick Specs
- 12" L x 13" W x 3" H
- Part Number : ZK GM11.5-B
Important Notes
Technical Notes:
In mid 2011 the design for the pinion bearing changed. The early design had a rear pinion race O.D. of 4.125 inch. The later design has an O.D. of 4.375 inch. This kit is the 4.375 inch design
USA Standard Master Overhaul kit for mid 2011 & up GM & Chrysler 11.5" AAM diff
- SKU : FDHDZK GM11.5-B
- Part Number : ZK GM11.5-B
$577.89
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