Yukon Gear & Axle Axles YA GM11.5-30-40.25 Yukon Gear and Axle manufactures the highest quality and widest selection of performance axles in the market. Yukon uses the latest in heat treatment technology and high quality alloys to maintain our competitive edge. In-house engineering and quality labs ensure every axle is of the highest strength and standards for track racing, boulder climbing, desert racing, sled pulling, or whatever moves you forward. Yukon's 4340 Chromoly axles are up to 37% stronger than other aftermarket axles and come with a lifetime warranty. Rear Axle For & Up GM 11.5", 35" To 40.25" in lengths Replacement Axle. 4340 ChromeMoly. Covers lengths from 35" to 40.25". For 2011 & Up GM 11.5". Direct replacement for GM 20920663. Long spline length can be cut to fit 35"-40.25" length. 4.760" flange OD. Axles
Vehicle Fitments:
| Year |
Make |
Model |
Submodel |
| 2015 - 2018 |
Chevrolet |
Silverado 2500 HD |
High Country |
| 2011 - 2018 |
Chevrolet |
Silverado 2500 HD |
LT, WT, LTZ |
| 2015 - 2018 |
Chevrolet |
Silverado 3500 HD |
High Country |
| 2011 - 2018 |
Chevrolet |
Silverado 3500 HD |
LTZ, LT, WT |
| 2015 - 2018 |
GMC |
Sierra 2500 HD |
Base |
| 2011 - 2018 |
GMC |
Sierra 2500 HD |
Denali, SLE, SLT |
| 2011 - 2014 |
GMC |
Sierra 2500 HD |
WT |
| 2015 - 2018 |
GMC |
Sierra 3500 HD |
Base |
| 2011 - 2018 |
GMC |
Sierra 3500 HD |
SLT, Denali, SLE |
| 2011 - 2014 |
GMC |
Sierra 3500 HD |
WT |
