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Yukon Grizzly Locker for GM and Chrysler 11.5 Inch with 38 Spline Axles (Part Number: YGLGM11.5-38)
If you’re looking to take your off-road adventures to the next level, the Yukon Grizzly Locker is a robust solution that’s built to handle the toughest terrains. Designed specifically for GM and Chrysler 11.5-inch axles with 38 spline configurations, this mechanical positive-locking differential ensures that power is evenly distributed to both tires, providing maximum traction when you need it most.
Features:
- Compatible with GM and Chrysler 11.5" axles featuring 38 spline.
- Patented internal design minimizes the risk of common locker failures.
- Constructed with durable 8620 steel internals for enhanced strength.
- Assembled in the USA, ensuring quality craftsmanship.
Specifications:
- Axle Shaft Spline Quantity: 38
- Cover Bolt Quantity: 14
- Material: Steel
- Type: Locking
Customer Feedback:
Many users have shared their positive experiences with the Yukon Grizzly Locker, highlighting its performance in challenging conditions. One customer noted, "I installed this locker for some serious rock crawling, and it has not disappointed. The traction is unreal!" Another reviewer mentioned, "I love how it engages smoothly when I need it, but also lets me turn without any issues. It’s a game changer for my off-road setup!"
Why Choose the Yukon Grizzly Locker?
This locker features an advanced gear tooth design that not only enhances traction but also provides greater durability. The inner clutch teeth are designed with a larger radius at the base, offering up to 350% more strength compared to traditional back-cut designs. This means you can tackle rough trails with confidence, knowing that your differential is engineered to resist breakage from shock-loading and catastrophic axle failures.
With the Yukon Grizzly Locker, you’re investing in a piece of mechanical engineering that’s built for serious driving conditions. Whether you're rock crawling, trail running, or hitting the drag strip, this locker is ready to deliver the performance you demand.
Proposition 65
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
| Vehicle Make/Model | Year | Trims |
|---|---|---|
| Chevrolet Silverado 2500 | 2001-2004 | LT |
| Chevrolet Silverado 2500 | 2001-2004, 2013, 2015 | LS |
| Chevrolet Silverado 2500 | 2001-2002 | Custom |
| Chevrolet Silverado 2500 | 2001-2002, 2007 | Cheyenne |
| Chevrolet Silverado 2500 | 2001-2012, 2014 | Base |
| Chevrolet Silverado 2500 | 2001-2005 | 400 SS |
| Chevrolet Silverado 2500 | 2004 | WT |
| Chevrolet Silverado 2500 HD | 2001-2015 | LT |
| Chevrolet Silverado 2500 HD | 2001-2005 | Base |
| Chevrolet Silverado 2500 HD | 2001-2006 | LS |
| Chevrolet Silverado 2500 HD | 2003-2015 | WT |
| Chevrolet Silverado 2500 HD | 2007-2015 | LTZ |
| Chevrolet Silverado 2500 HD | 2015 | High Country |
| Chevrolet Silverado 2500 HD Classic | 2007 | LS |
| Chevrolet Silverado 2500 HD Classic | 2007 | WT |
| Chevrolet Silverado 2500 HD Classic | 2007 | LT |
| Chevrolet Silverado 3500 | 2001-2013 | Base |
| Chevrolet Silverado 3500 | 2001-2006 | LT |
| Chevrolet Silverado 3500 | 2001-2004, 2006 | HD |
| Chevrolet Silverado 3500 | 2001-2006 | LS |
| Chevrolet Silverado 3500 | 2004, 2006, 2015 | WT |
| Chevrolet Silverado 3500 Classic | 2007 | WT |
| Chevrolet Silverado 3500 Classic | 2007 | LS |
| Chevrolet Silverado 3500 Classic | 2007 | LT |
| Chevrolet Silverado 3500 HD | 2007-2015 | LTZ |
| Chevrolet Silverado 3500 HD | 2007-2015 | LT |
| Chevrolet Silverado 3500 HD | 2007-2015 | WT |
| Chevrolet Silverado 3500 HD | 2015 | High Country |
| Dodge Ram 2500 | 2003-2010 | ST |
| Dodge Ram 2500 | 2003, 2005-2009 | Laramie |
| Dodge Ram 2500 | 2003-2010 | SLT |
| Dodge Ram 2500 | 2005 | SLT Daytona |
| Dodge Ram 2500 | 2006-2007 | TRX4 |
| Dodge Ram 2500 | 2006-2008, 2010 | SLT Sport |
| Dodge Ram 2500 | 2006-2010 | Power Wagon |
| Dodge Ram 2500 | 2006 | SLT Night Runner Sport |
| Dodge Ram 2500 | 2006-2007 | Sport |
| Dodge Ram 2500 | 2008 | SLT Big Horn |
| Dodge Ram 2500 | 2008-2010 | SXT |
| Dodge Ram 2500 | 2009 | Crew |
| Dodge Ram 2500 | 2010 | TRX |
| Dodge Ram 2500 Van | 2003 | Base |
| Dodge Ram 3500 | 2003-2010 | SLT |
| Dodge Ram 3500 | 2003-2009 | Laramie |
| Dodge Ram 3500 | 2003-2010 | ST |
| Dodge Ram 3500 | 2006-2007 | Sport |
| Dodge Ram 3500 | 2007 | TRX4 |
| Dodge Ram 3500 | 2008-2010 | SXT |
| Dodge Ram 3500 Van | 2003 | Base |
| GMC Sierra | 2007-2009, 2011-2012 | Base |
| GMC Sierra | 2008-2015 | Denali |
| GMC Sierra | 2010, 2013-2015 | SLT |
| GMC Sierra | 2013-2015 | SLE |
| GMC Sierra | 2014-2015 | All Terrain |
| GMC Sierra 1500 | 2001-2003, 2006-2013 | SL |
| GMC Sierra 1500 | 2001-2015 | SLE |
| GMC Sierra 1500 | 2001 | C3 |
| GMC Sierra 1500 | 2001-2015 | SLT |
| GMC Sierra 1500 | 2002-2013 | WT |
| GMC Sierra 1500 | 2002 | HT |
| GMC Sierra 1500 | 2002-2005, 2014-2015 | Base |
| GMC Sierra 1500 | 2002-2015 | Denali |
| GMC Sierra 1500 | 2005-2006, 2009-2013 | Hybrid |
| GMC Sierra 1500 | 2010-2013 | XFE |
| GMC Sierra 1500 Classic | 2007 | WT |
| GMC Sierra 1500 Classic | 2007 | Hybrid |
| GMC Sierra 1500 Classic | 2007 | SLT |
| GMC Sierra 1500 Classic | 2007 | SLE |
| GMC Sierra 1500 Classic | 2007 | SL |
| GMC Sierra 1500 Classic | 2007 | Denali |
| GMC Sierra 1500 HD | 2001-2003, 2005-2006 | SLT |
| GMC Sierra 1500 HD | 2001-2003, 2005-2006 | SLE |
| GMC Sierra 1500 HD Classic | 2007 | SLE |
| GMC Sierra 1500 HD Classic | 2007 | SLT |
| GMC Sierra 2500 | 2001-2004 | SLT |
| GMC Sierra 2500 | 2001-2002 | SL |
| GMC Sierra 2500 | 2001-2004 | SLE |
| GMC Sierra 2500 | 2002-2004 | Base |
| GMC Sierra 2500 | 2003-2004 | WT |
| GMC Sierra 2500 HD | 2001-2015 | SLT |
| GMC Sierra 2500 HD | 2001-2015 | SLE |
| GMC Sierra 2500 HD | 2001-2002, 2006 | SL |
| GMC Sierra 2500 HD | 2002-2005, 2015 | Base |
| GMC Sierra 2500 HD | 2003-2014 | WT |
| GMC Sierra 2500 HD | 2011-2015 | Denali |
| GMC Sierra 2500 HD Classic | 2007 | SLE |
| GMC Sierra 2500 HD Classic | 2007 | SLT |
| GMC Sierra 2500 HD Classic | 2007 | SL |
| GMC Sierra 2500 HD Classic | 2007 | WT |
| GMC Sierra 3500 | 2001-2002, 2006 | SL |
| GMC Sierra 3500 | 2001-2006 | SLE |
| GMC Sierra 3500 | 2001-2006 | SLT |
| GMC Sierra 3500 | 2002-2005 | Base |
| GMC Sierra 3500 | 2004-2006 | WT |
| GMC Sierra 3500 Classic | 2007 | SLE |
| GMC Sierra 3500 Classic | 2007 | SLT |
| GMC Sierra 3500 Classic | 2007 | SL |
| GMC Sierra 3500 Classic | 2007 | WT |
| GMC Sierra 3500 HD | 2007-2015 | SLE |
| GMC Sierra 3500 HD | 2007-2015 | SLT |
| GMC Sierra 3500 HD | 2007-2014 | WT |
| GMC Sierra 3500 HD | 2011-2015 | Denali |
| GMC Sierra 3500 HD | 2015 | Base |
| Ram 3500 | 2014-2015 | Big Horn |
| Ram 3500 | 2014-2015 | Tradesman |
| Ram 3500 | 2014-2015 | Lone Star |
| Ram 3500 | 2014-2015 | Laramie Limited |
| Ram 3500 | 2014-2015 | ST |
| Ram 3500 | 2014-2015 | SLT |
| Ram 3500 | 2014-2015 | Laramie |
| Ram 3500 | 2014-2015 | Laramie Longhorn |
| Ram Ram 2500 | 2010 | Laramie |
| Ram Ram 3500 | 2010 | Laramie |
Yukon's mission is to build quality parts that exceed your expectations. We achieve this through state-of-the-art product design and an in-house engineering team. Our parts are then produced by leaders in OEM manufacturing and endure rigorous testing.
Yukon Gear & Axle ("Yukon") warrants the original retail purchaser that all Yukon products will be free from defects in materials and workmanship for the periods shown herein. Yukon makes no other warranty of any kind, express or implied. All other warranties, including but not limited to an implied warranty of merchantability or fitness for a particular purpose, are excluded. This warranty is offered provided that the Yukon product has been installed and maintained in accordance with Yukon instructions, and that it has not been subject to modification, accident, abnormal use or misuse. At Yukon's discretion, this warranty may be voided if installation of Yukon product(s) occurs on vehicles with tires that exceed Yukon Maximum Recommended Tire Size.
Upon notification of a warranty claim, Yukon shall investigate the claim of defect, and, in the event of a verified defect, shall, at their sole choice, either repair the defective product, replace it, or refund the purchase price.
This warranty does not cover, and Yukon shall not be liable for, incidental or consequential damages, including loss of time, road service charges, labor charges, inconvenience, loss of vehicle use, loss of revenues, or loss or damage to personal property (including loss or damage to vehicle parts due to the failure of the Yukon product)*. In addition, this warranty does not cover, and Yukon shall not be liable for, any undertaking, representation, or agreements made by dealers or other third parties selling Yukon Gear & Axle products, except where such agreements are within the provisions of this Warranty statement. Also, this warranty does not cover damage to the axle caused by or facilitated by failure of a non-Yukon component.
This agreement offers you specific legal rights. You may also have other rights which vary from state to state.
YUKON WARRANTY BY PRODUCT
Spool
Upon notification of a warranty claim, Yukon shall investigate the claim of defect, and, in the event of a verified defect, shall, at their sole choice, either repair the defective product, replace it, or refund the purchase price.
This warranty does not cover, and Yukon shall not be liable for, incidental or consequential damages, including loss of time, road service charges, labor charges, inconvenience, loss of vehicle use, loss of revenues, or loss or damage to personal property (including loss or damage to vehicle parts due to the failure of the Yukon product)*. In addition, this warranty does not cover, and Yukon shall not be liable for, any undertaking, representation, or agreements made by dealers or other third parties selling Yukon Gear & Axle products, except where such agreements are within the provisions of this Warranty statement. Also, this warranty does not cover damage to the axle caused by or facilitated by failure of a non-Yukon component.
This agreement offers you specific legal rights. You may also have other rights which vary from state to state.
YUKON WARRANTY BY PRODUCT
Spool
- Length:As long as original purchaser owns vehicle in which Spool is originally installed
- Notes:It is normal for Spools to cause tire chatter, squeal, or scrubbing when vehicle is not moving in a straight line. Both rear tires must measure the same height from ground to top of wheel for Spool to function properly without premature wear.
- Length:As long as original purchaser owns vehicle in which Super Joint is originally installed
- Notes:Warranty coverage is for breakage of cross section or caps only. Failure by wear or galling is not covered.
- Length:One (1) Year
- Notes:Covers parts for one year against manufacturers defects.
- Length:Ten (10) Years
- Notes:Covers parts for ten years against manufacturing defects.
- Length:Ten (10) Years
- Notes:Covers parts for ten years against manufacturing defects.
- Length:Limited Lifetime
- Notes:Limited Lifetime warranty covering manufacturing defects and axle breakage for as long as you own the vehicle. This warranty is not transferable to another party. "No Questions Asked" replacement for first warranty return, however, Yukon reserves the right to either replace axle or refund original purchase price after the first warranty claim. Yukon (through RANDYS Worldwide Automotive) makes final determination on warranty considerations.
- Length:Limited Lifetime
- Notes:Limited Lifetime warranty covering manufacturing defects and axle breakage for as long as you own the vehicle. This warranty is not transferable to another party. "No Questions Asked" replacement for first warranty return, however, Yukon reserves the right to either replace axle or refund original purchase price after the first warranty claim. Yukon (through RANDYS Worldwide Automotive) makes final determination on warranty considerations.
- Length:One (1) Year
- Notes:Warrantied against manufacturing defects for one (1) year.
- Length:One (1) Year
- Notes:Exclusions apply, does not cover premature clutch wear or abuse. It is normal for Positraction differentials to cause tire chatter, squeal, or scrubbing when vehicle is not moving in a straight line. Both rear tires must measure the same height from ground to top of wheel for differential to function properly without premature wear. Limited slip additive or appropriate friction modifier must be used with oil to reduce Positraction chatter.
- Length:Six (6) Years
- Notes:All Zip Lockers come with a six (6) year warranty against manufacturer defect, including any collaterally damaged parts and associated labor, up to $2,000*, for the first two (2) years. Collaterally damaged parts must be submitted for inspection. Receipts for parts and associated labor must be submitted as well. Only claims deemed reasonable by Yukon Gear & Axle will be accepted. Offer may be discontinued without advance notice.
- Length:One (1) Year
- Notes:Covers the replacement of the unit and any collaterally damaged parts and associated labor, up to $2,000. Collaterally damaged parts must be submitted for inspection. Receipts for parts and associated labor must be submitted as well. Only claims deemed reasonable by Yukon Gear & Axle will be accepted. Offer may be discontinued without advance notice.
- Length:One (1) Year
- Notes:Covers parts for one year against manufacturing defects.
- Length:One (1) Year
- Notes:Covers parts for one year against manufacturing defects.
- Length:One (1) Year
- Notes:Covers parts for one year against manufacturing defects.
- Length:One (1) Year
- Notes:Includes BK, MK, PK, and YK. Covers parts for one year against manufacturing defects.
- Length:One (1) Year
- Notes:One year against manufacturing defects. Exclusions apply, does not cover clutch wear in limited slip differentials.
- Length:Limited Lifetime
- Notes:Limited Lifetime warranty covering manufacturing defects and breakage for as long as you own the vehicle. This warranty is not transferable to another party. "No Questions Asked" replacement for first warranty return, however, Yukon reserves the right to either replace the part or refund original purchase price after the first warranty claim. Yukon (through RANDYS Worldwide Automotive) makes final determination on warranty considerations.
- Length:Limited Lifetime
- Notes:Limited Lifetime warranty covering manufacturing defects and breakage for as long as you own the vehicle. This warranty is not transferable to another party. "No Questions Asked" replacement for first warranty return, however, Yukon reserves the right to either replace the part or refund original purchase price after the first warranty claim. Yukon (through RANDYS Worldwide Automotive) makes final determination on warranty considerations
- Length:One (1) Year
- Notes:Warrantied against manufacturing defects for one (1) year. Longer warranty is available through purchase of a Y.E.S. plan.
Installation Instructions
Click to view the Installation Instructions here
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