GM: 12.0" 14 Bolt - Rear Axle
Axle: Axle Shafts
| AAM# | Vehicle Make | Model | Year | Axle Type | Side L/R | # of Teeth | Length | Notes | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 40165706 | GM | Silverado/Sierra 2500/3500 | 2019+ | 12.0" 14 Bolt - Rear Axle | L/R | 31 | 945.5 | T1XX 12.0" REAR AXLE SHAFT SW 945.5 mm / 31 teeth | ||
| 40175943 | GM | Silverado/Sierra 2500/3500 | 2019+ | 12.0" 14 Bolt - Rear Axle | L/R | 33 | 1023.4 | T1XX 12.0" REAR DW AXLE SHAFT 1023.4 mm / 33 teeth | ||
| 40175995 | GM | Silverado/Sierra 2500/3500 | 2019+ | 12.0" 14 Bolt - Rear Axle | L/R | 33 | 943.8 | T1XX 12.0" REAR DW AXLE SHAFT 943.8 mm / 33 teeth |
Axle: Pinion Flange Seal Assembly
| AAM# | Vehicle Make | Model | Year | Axle Type | Side L/R | # of Teeth | Length | Notes | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 40189030 | GM | Silverado / Sierra | 2019+ | 12.0" 14 Bolt - Rear Axle |
Axle: Pinion Flanges
| AAM# | Vehicle Make | Model | Year | Series | Axle Type | # of Teeth | Notes | ||
|---|---|---|---|---|---|---|---|---|---|
| 40208236 | GM | Silverado / Sierra 2500/3500 | 2019+ | Flange | 12.0" 14 Bolt - Rear Axle | 32 | FLANGE ASSEMBLY T1XX 11.5"/12.0" 3.42 (w/DAMPER) REAR AXLE |
Axle: Ring & Pinion Gear Sets
| AAM# | Vehicle Make | Model | Year | Axle Type | Axle Ratio | Notes | ||
|---|---|---|---|---|---|---|---|---|
| 120T1342GEARKIT | GM | Silverado, Sierra 2500/3500 | 2019+ | 12.0" 14 Bolt - Rear Axle | 3.42 | T1XX 12.0" REAR GEARSET 3.42 |
Installation Parts and Kits: Collapsible Spacers
| AAM# | Part Type | Vehicle Make | Model | Year | Axle Type | Notes | ||
|---|---|---|---|---|---|---|---|---|
| 40167593 | Collapsible Spacer | GM | Silverado 2500, 3500 | 2019-2024 | 12.0" 14 Bolt - Rear Axle |
Installation Parts and Kits: Master Bearing Kits
| AAM# | Part Type | Vehicle Make | Model | Year | Axle Type | Notes | ||
|---|---|---|---|---|---|---|---|---|
| 74067028 | GM | Silverado / Sierra 2500/3500 | 2019+ | 12.0" 14 Bolt - Rear Axle | MASTER BEARING KIT T1 12.0" HD Rear 2019+ |
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Installation Parts and Kits: Nuts, Washers, and Bolts
| AAM# | Part Type | Vehicle Make | Model | Year | Axle Type | Notes | ||
|---|---|---|---|---|---|---|---|---|
| 40169206 | Pinion Nut | GM | 2500 / 3500 | 2019-2024 | 12.0" 14 Bolt - Rear Axle | |||
| 40181318 | Bolt Adjuster Nut | GM | Silverado, Sierra 2500/3500 | 2019-2024 | 12.0" 14 Bolt - Rear Axle |
Installation Parts and Kits: Seals and Gaskets
| AAM# | Part Type | Vehicle Make | Model | Year | Axle Type | Notes | ||
|---|---|---|---|---|---|---|---|---|
| 40164306 | GM | 2500 / 3500 | 2019 - 2024 | 12.0" 14 Bolt - Rear Axle | ||||
| 40270018 | Gasket | GM | 2500 / 3500 | 2019 - 2025 | 12.0" 14 Bolt - Rear Axle |
Installation Parts and Kits: Wheel End Kits
| AAM# | Part Type | Vehicle Make | Model | Year | Axle Type | Notes | ||
|---|---|---|---|---|---|---|---|---|
| 74070009 | GM | Silverado / Sierra 2500/3500 | 2019+ | 12.0" 14 Bolt - Rear Axle | END WHEEL KIT T1XX 12.0" Rear 2019+ SRW | |||
| 74070010 | GM | Silverado / Sierra 2500/3500 | 2019+ | 12.0" 14 Bolt - Rear Axle | END WHEEL KIT T1XX 12.0" Rear 2019+ DRW |