Yukon Gear Grizzly Locker For GM & Chrysler 11.5in w/ 30 Spline Axles
Technical Data
A grizzly locker is the ultimate traction solution for trucks and off‑road rigs. The Yukon Gear Grizzly Locker for GM & Chrysler 11.5" axles (30 spline) is an auto mechanical locker designed to automatically deliver full power to both wheels, ensuring maximum grip in mud, snow, rocks, or heavy‑duty hauling.
This grizzly locker features rugged steel construction and a 30‑spline design, built to handle extreme torque loads. With automatic engagement, it locks when traction is needed and unlocks when it’s not, giving you confidence both on the trail and on the street.
Whether you’re upgrading your GM or Chrysler 11.5" axle for off‑road adventures or heavy towing, the Yukon Gear Grizzly Locker provides the strength, reliability, and performance trusted by enthusiasts and professionals alike.
Features and Benefits
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Auto mechanical locker – Engages automatically for maximum traction when needed.
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30‑spline compatibility – Handles heavy torque with secure axle engagement.
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Steel construction – Built tough for off‑road abuse and heavy‑duty applications.
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Fits GM & Chrysler 11.5" axles – Direct‑fit design for popular heavy‑duty setups.
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No CA Proposition 65 warning – Safe, compliant build for peace of mind.
Built for Maximum Traction
This grizzly locker transforms your GM or Chrysler 11.5" axle into a traction powerhouse. With automatic locking strength and steel durability, Yukon Gear ensures your rig stays planted no matter the terrain.
Specifications
| Specification | Detail |
|---|---|
| Part Number | yukYGLGM11.5-30 |
| Title | Yukon Gear Grizzly Locker, GM & Chrysler 11.5", 30 spline |
| Description | Grizzly locker for GM/Chrysler 11.5" with 30 spline axles |
| Type | Auto mechanical locker |
| Axle Type | GM 11.5 in. / Chrysler 11.5 in. |
| Axle Shaft Spline Quantity | 30 |
| Material | Steel |
| Cover Bolt Quantity | 14 |
| Position | Differential |
| Package UOM | EA (each) |
| Selling Package Quantity | 1 |
| CA Proposition 65 | No / Not applicable |
Installation Instructions
Installation Instructions
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2001-2004 | Chevrolet | Silverado 2500 | Base |
| 2001-2004 | Chevrolet | Silverado 2500 | LS |
| 2001-2004 | Chevrolet | Silverado 2500 | LT |
| 2004 | Chevrolet | Silverado 2500 | WT |
| 2001-2005 | Chevrolet | Silverado 2500 HD | Base |
| 2015-2018 | Chevrolet | Silverado 2500 HD | High Country |
| 2001-2006 | Chevrolet | Silverado 2500 HD | LS |
| 2001-2018 | Chevrolet | Silverado 2500 HD | LT |
| 2007-2018 | Chevrolet | Silverado 2500 HD | LTZ |
| 2003-2018 | Chevrolet | Silverado 2500 HD | WT |
| 2001-2005 | Chevrolet | Silverado 3500 | Base |
| 2001-2006 | Chevrolet | Silverado 3500 | LS |
| 2001-2006 | Chevrolet | Silverado 3500 | LT |
| 2004,2006 | Chevrolet | Silverado 3500 | WT |
| 2007 | Chevrolet | Silverado 3500 Classic | LS |
| 2007 | Chevrolet | Silverado 3500 Classic | LT |
| 2007 | Chevrolet | Silverado 3500 Classic | WT |
| 2015-2018 | Chevrolet | Silverado 3500 HD | High Country |
| 2007-2018 | Chevrolet | Silverado 3500 HD | LT |
| 2007-2018 | Chevrolet | Silverado 3500 HD | LTZ |
| 2007-2018 | Chevrolet | Silverado 3500 HD | WT |
| 2003,2005-2010 | Dodge | Ram 2500 | Laramie |
| 2006-2010 | Dodge | Ram 2500 | Power Wagon |
| 2003-2010 | Dodge | Ram 2500 | SLT |
| 2006-2007 | Dodge | Ram 2500 | Sport |
| 2003-2010 | Dodge | Ram 2500 | ST |
| 2008-2010 | Dodge | Ram 2500 | SXT |
| 2010 | Dodge | Ram 2500 | TRX |
| 2006-2007 | Dodge | Ram 2500 | TRX4 |
| 2003 | Dodge | Ram 2500 Van | Base |
| 2003-2010 | Dodge | Ram 3500 | Laramie |
| 2003-2010 | Dodge | Ram 3500 | SLT |
| 2006-2007 | Dodge | Ram 3500 | Sport |
| 2003-2010 | Dodge | Ram 3500 | ST |
| 2008-2009 | Dodge | Ram 3500 | SXT |
| 2007 | Dodge | Ram 3500 | TRX4 |
| 2002-2004 | GMC | Sierra 2500 | Base |
| 2001-2002 | GMC | Sierra 2500 | SL |
| 2001-2004 | GMC | Sierra 2500 | SLE |
| 2001-2004 | GMC | Sierra 2500 | SLT |
| 2003-2004 | GMC | Sierra 2500 | WT |
| 2002-2005,2015-2018 | GMC | Sierra 2500 HD | Base |
| 2011-2018 | GMC | Sierra 2500 HD | Denali |
| 2001-2002,2006 | GMC | Sierra 2500 HD | SL |
| 2001-2018 | GMC | Sierra 2500 HD | SLE |
| 2001-2018 | GMC | Sierra 2500 HD | SLT |
| 2003-2014 | GMC | Sierra 2500 HD | WT |
| 2007 | GMC | Sierra 2500 HD Classic | SL |
| 2007 | GMC | Sierra 2500 HD Classic | SLE |
| 2007 | GMC | Sierra 2500 HD Classic | SLT |
| 2007 | GMC | Sierra 2500 HD Classic | WT |
| 2002-2005 | GMC | Sierra 3500 | Base |
| 2001-2002,2006 | GMC | Sierra 3500 | SL |
| 2001-2006 | GMC | Sierra 3500 | SLE |
| 2001-2006 | GMC | Sierra 3500 | SLT |
| 2004-2006 | GMC | Sierra 3500 | WT |
| 2007 | GMC | Sierra 3500 Classic | SL |
| 2007 | GMC | Sierra 3500 Classic | SLE |
| 2007 | GMC | Sierra 3500 Classic | SLT |
| 2007 | GMC | Sierra 3500 Classic | WT |
| 2015-2018 | GMC | Sierra 3500 HD | Base |
| 2011-2018 | GMC | Sierra 3500 HD | Denali |
| 2007-2018 | GMC | Sierra 3500 HD | SLE |
| 2007-2018 | GMC | Sierra 3500 HD | SLT |
| 2007-2014 | GMC | Sierra 3500 HD | WT |
| 2013-2018 | Ram | 2500 | Big Horn |
| 2011-2018 | Ram | 2500 | Laramie |
| 2014-2015 | Ram | 2500 | Laramie Limited |
| 2011-2018 | Ram | 2500 | Laramie Longhorn |
| 2016-2018 | Ram | 2500 | Limited |
| 2013-2015 | Ram | 2500 | Lone Star |
| 2012-2016 | Ram | 2500 | Outdoorsman |
| 2011-2018 | Ram | 2500 | Power Wagon |
| 2011-2018 | Ram | 2500 | SLT |
| 2011-2013 | Ram | 2500 | ST |
| 2013-2018 | Ram | 2500 | Tradesman |
| 2013-2018 | Ram | 3500 | Big Horn |
| 2011-2018 | Ram | 3500 | Laramie |
| 2014-2015 | Ram | 3500 | Laramie Limited |
| 2011-2018 | Ram | 3500 | Laramie Longhorn |
| 2016-2018 | Ram | 3500 | Limited |
| 2013-2015,2017 | Ram | 3500 | Lone Star |
| 2011-2018 | Ram | 3500 | SLT |
| 2011-2013 | Ram | 3500 | ST |
| 2013-2018 | Ram | 3500 | Tradesman |
REVIEWS
Installed the Yukon Grizzly Locker in my GM 2500HD. Traction is unreal—locks up strong off-road and still drives smooth on pavement.
Tom R.
Billings, MT
Running this Grizzly Locker in my Ram 3500. It bites hard when needed and makes towing heavy loads way more confident.
Steve B.
Boise, ID
Specifications
Fitment Data
• Engineered for precision compatibility with high-performance builds.
• Tested under extreme mechanical stress for guaranteed structural integrity.
Use the Riot Vehicle Finder to verify exact sub-model compatibility.
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