Yukon Gear Grizzly Locker GM/Chrysler 11.5in 30 Spline — Heavy Duty Locking Differential

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SKU: YUKYGLGM11.5-30
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Sale price$1,599.99 Regular price$1,650.00
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Yukon Gear & Axle

Yukon Gear & Axle is the off-road and truck differential expert — gear sets, lockers, axle shafts, and complete axle assemblies for Dana 30, Dana 44, Dana 60, and modern AAM axles. The trusted source for rock-crawler and overland gear changes.

Dominate Off-Road with the Yukon Gear Grizzly Locker

The Yukon Gear Grizzly Locker is engineered for extreme performance and unwavering traction, making it the ultimate upgrade for heavy-duty trucks and off-road enthusiasts. This hardcore mechanical locking differential delivers 100% power to both wheels simultaneously, ensuring you maintain grip and control in the most demanding situations, from rock crawling and trail running to intense off-road racing.

Unmatched Strength and Durability

Built with a robust casing and gears, the Grizzly Locker features an advanced gear tooth design for superior strength. Its patented innovation includes inner clutch teeth with a larger radius at the base, providing up to 350% greater strength than traditional designs. This enhanced durability is crucial for resisting breakage from shock-loading or catastrophic axle failures, offering peace of mind during extreme use.

  • 100% Locked Traction: Guarantees maximum grip and control in all conditions.
  • Mechanical Locking: Provides consistent and reliable power distribution.
  • Extreme Durability: Patented design with reinforced teeth for ultimate strength.
  • Heavy-Duty Performance: Ideal for trucks and SUVs used for towing, off-roading, and racing.
  • Advanced Engineering: Built to withstand the rigors of extreme driving.

Specifically designed for GM and Chrysler 11.5-inch rear axles with 30 spline axles, this locker ensures you can tackle any obstacle. Experience the hardcore performance and reliability of Yukon Gear & Axle.

Fits: GM & Chrysler 11.5-inch differentials with 30 spline axles.

Upgrade your drivetrain's capability at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2004-2013 Chevrolet Express 3500 Base
2004-2013 Chevrolet Express 3500 LS
2006-2013 Chevrolet Express 3500 LT
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
2001-2006 Chevrolet Silverado 2500 HD LS
2001-2018 Chevrolet Silverado 2500 HD LT
2003-2018 Chevrolet Silverado 2500 HD WT
2007-2018 Chevrolet Silverado 2500 HD LTZ
2015-2018 Chevrolet Silverado 2500 HD High Country
2007 Chevrolet Silverado 2500 HD Classic LS
2007 Chevrolet Silverado 2500 HD Classic LT
2007 Chevrolet Silverado 2500 HD Classic WT
2001-2005 Chevrolet Silverado 3500 Base
2001-2006 Chevrolet Silverado 3500 LS
2001-2006 Chevrolet Silverado 3500 LT
2004 Chevrolet Silverado 3500 WT
2006 Chevrolet Silverado 3500 WT
2007 Chevrolet Silverado 3500 Classic LS
2007 Chevrolet Silverado 3500 Classic LT
2007 Chevrolet Silverado 3500 Classic WT
2007-2018 Chevrolet Silverado 3500 HD WT
2007-2018 Chevrolet Silverado 3500 HD LT
2007-2018 Chevrolet Silverado 3500 HD LTZ
2015-2018 Chevrolet Silverado 3500 HD High Country
2003 Dodge Ram 2500 Laramie
2003-2010 Dodge Ram 2500 SLT
2003-2010 Dodge Ram 2500 ST
2005-2010 Dodge Ram 2500 Laramie
2006-2007 Dodge Ram 2500 Sport
2006-2007 Dodge Ram 2500 TRX4
2006-2010 Dodge Ram 2500 Power Wagon
2008-2010 Dodge Ram 2500 SXT
2010 Dodge Ram 2500 TRX
2003 Dodge Ram 2500 Van Base
2003-2010 Dodge Ram 3500 Laramie
2003-2010 Dodge Ram 3500 SLT
2003-2010 Dodge Ram 3500 ST
2006-2007 Dodge Ram 3500 Sport
2007 Dodge Ram 3500 TRX4
2008-2009 Dodge Ram 3500 SXT
2001-2002 GMC Savana 3500 SLT
2001-2008 GMC Savana 3500 Base
2003-2005 GMC Savana 3500 SLE
2006-2008 GMC Savana 3500 LS
2006-2009 GMC Savana 3500 LT
2001-2002 GMC Sierra 2500 SL
2001-2004 GMC Sierra 2500 SLE
2001-2004 GMC Sierra 2500 SLT
2002-2004 GMC Sierra 2500 Base
2003-2004 GMC Sierra 2500 WT
2001-2002 GMC Sierra 2500 HD SL
2001-2018 GMC Sierra 2500 HD SLE
2001-2018 GMC Sierra 2500 HD SLT
2002-2005 GMC Sierra 2500 HD Base
2003-2014 GMC Sierra 2500 HD WT
2006 GMC Sierra 2500 HD SL

…and 42 additional fitments. Contact us to confirm yours.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Yukon Gear & Axle

Yukon Gear & Axle is the off-road and truck differential expert — gear sets, lockers, axle shafts, and complete axle assemblies for Dana 30, Dana 44, Dana 60, and modern AAM axles. The trusted source for rock-crawler and overland gear changes.

Dominate Off-Road with the Yukon Gear Grizzly Locker

The Yukon Gear Grizzly Locker is engineered for extreme performance and unwavering traction, making it the ultimate upgrade for heavy-duty trucks and off-road enthusiasts. This hardcore mechanical locking differential delivers 100% power to both wheels simultaneously, ensuring you maintain grip and control in the most demanding situations, from rock crawling and trail running to intense off-road racing.

Unmatched Strength and Durability

Built with a robust casing and gears, the Grizzly Locker features an advanced gear tooth design for superior strength. Its patented innovation includes inner clutch teeth with a larger radius at the base, providing up to 350% greater strength than traditional designs. This enhanced durability is crucial for resisting breakage from shock-loading or catastrophic axle failures, offering peace of mind during extreme use.

  • 100% Locked Traction: Guarantees maximum grip and control in all conditions.
  • Mechanical Locking: Provides consistent and reliable power distribution.
  • Extreme Durability: Patented design with reinforced teeth for ultimate strength.
  • Heavy-Duty Performance: Ideal for trucks and SUVs used for towing, off-roading, and racing.
  • Advanced Engineering: Built to withstand the rigors of extreme driving.

Specifically designed for GM and Chrysler 11.5-inch rear axles with 30 spline axles, this locker ensures you can tackle any obstacle. Experience the hardcore performance and reliability of Yukon Gear & Axle.

Fits: GM & Chrysler 11.5-inch differentials with 30 spline axles.

Upgrade your drivetrain's capability at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2004-2013 Chevrolet Express 3500 Base
2004-2013 Chevrolet Express 3500 LS
2006-2013 Chevrolet Express 3500 LT
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
2001-2006 Chevrolet Silverado 2500 HD LS
2001-2018 Chevrolet Silverado 2500 HD LT
2003-2018 Chevrolet Silverado 2500 HD WT
2007-2018 Chevrolet Silverado 2500 HD LTZ
2015-2018 Chevrolet Silverado 2500 HD High Country
2007 Chevrolet Silverado 2500 HD Classic LS
2007 Chevrolet Silverado 2500 HD Classic LT
2007 Chevrolet Silverado 2500 HD Classic WT
2001-2005 Chevrolet Silverado 3500 Base
2001-2006 Chevrolet Silverado 3500 LS
2001-2006 Chevrolet Silverado 3500 LT
2004 Chevrolet Silverado 3500 WT
2006 Chevrolet Silverado 3500 WT
2007 Chevrolet Silverado 3500 Classic LS
2007 Chevrolet Silverado 3500 Classic LT
2007 Chevrolet Silverado 3500 Classic WT
2007-2018 Chevrolet Silverado 3500 HD WT
2007-2018 Chevrolet Silverado 3500 HD LT
2007-2018 Chevrolet Silverado 3500 HD LTZ
2015-2018 Chevrolet Silverado 3500 HD High Country
2003 Dodge Ram 2500 Laramie
2003-2010 Dodge Ram 2500 SLT
2003-2010 Dodge Ram 2500 ST
2005-2010 Dodge Ram 2500 Laramie
2006-2007 Dodge Ram 2500 Sport
2006-2007 Dodge Ram 2500 TRX4
2006-2010 Dodge Ram 2500 Power Wagon
2008-2010 Dodge Ram 2500 SXT
2010 Dodge Ram 2500 TRX
2003 Dodge Ram 2500 Van Base
2003-2010 Dodge Ram 3500 Laramie
2003-2010 Dodge Ram 3500 SLT
2003-2010 Dodge Ram 3500 ST
2006-2007 Dodge Ram 3500 Sport
2007 Dodge Ram 3500 TRX4
2008-2009 Dodge Ram 3500 SXT
2001-2002 GMC Savana 3500 SLT
2001-2008 GMC Savana 3500 Base
2003-2005 GMC Savana 3500 SLE
2006-2008 GMC Savana 3500 LS
2006-2009 GMC Savana 3500 LT
2001-2002 GMC Sierra 2500 SL
2001-2004 GMC Sierra 2500 SLE
2001-2004 GMC Sierra 2500 SLT
2002-2004 GMC Sierra 2500 Base
2003-2004 GMC Sierra 2500 WT
2001-2002 GMC Sierra 2500 HD SL
2001-2018 GMC Sierra 2500 HD SLE
2001-2018 GMC Sierra 2500 HD SLT
2002-2005 GMC Sierra 2500 HD Base
2003-2014 GMC Sierra 2500 HD WT
2006 GMC Sierra 2500 HD SL

…and 42 additional fitments. Contact us to confirm yours.

Product Details

Product Description

About Yukon Gear & Axle

Yukon Gear & Axle is the off-road and truck differential expert — gear sets, lockers, axle shafts, and complete axle assemblies for Dana 30, Dana 44, Dana 60, and modern AAM axles. The trusted source for rock-crawler and overland gear changes.

Dominate Off-Road with the Yukon Gear Grizzly Locker

The Yukon Gear Grizzly Locker is engineered for extreme performance and unwavering traction, making it the ultimate upgrade for heavy-duty trucks and off-road enthusiasts. This hardcore mechanical locking differential delivers 100% power to both wheels simultaneously, ensuring you maintain grip and control in the most demanding situations, from rock crawling and trail running to intense off-road racing.

Unmatched Strength and Durability

Built with a robust casing and gears, the Grizzly Locker features an advanced gear tooth design for superior strength. Its patented innovation includes inner clutch teeth with a larger radius at the base, providing up to 350% greater strength than traditional designs. This enhanced durability is crucial for resisting breakage from shock-loading or catastrophic axle failures, offering peace of mind during extreme use.

  • 100% Locked Traction: Guarantees maximum grip and control in all conditions.
  • Mechanical Locking: Provides consistent and reliable power distribution.
  • Extreme Durability: Patented design with reinforced teeth for ultimate strength.
  • Heavy-Duty Performance: Ideal for trucks and SUVs used for towing, off-roading, and racing.
  • Advanced Engineering: Built to withstand the rigors of extreme driving.

Specifically designed for GM and Chrysler 11.5-inch rear axles with 30 spline axles, this locker ensures you can tackle any obstacle. Experience the hardcore performance and reliability of Yukon Gear & Axle.

Fits: GM & Chrysler 11.5-inch differentials with 30 spline axles.

Upgrade your drivetrain's capability at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2004-2013 Chevrolet Express 3500 Base
2004-2013 Chevrolet Express 3500 LS
2006-2013 Chevrolet Express 3500 LT
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
2001-2006 Chevrolet Silverado 2500 HD LS
2001-2018 Chevrolet Silverado 2500 HD LT
2003-2018 Chevrolet Silverado 2500 HD WT
2007-2018 Chevrolet Silverado 2500 HD LTZ
2015-2018 Chevrolet Silverado 2500 HD High Country
2007 Chevrolet Silverado 2500 HD Classic LS
2007 Chevrolet Silverado 2500 HD Classic LT
2007 Chevrolet Silverado 2500 HD Classic WT
2001-2005 Chevrolet Silverado 3500 Base
2001-2006 Chevrolet Silverado 3500 LS
2001-2006 Chevrolet Silverado 3500 LT
2004 Chevrolet Silverado 3500 WT
2006 Chevrolet Silverado 3500 WT
2007 Chevrolet Silverado 3500 Classic LS
2007 Chevrolet Silverado 3500 Classic LT
2007 Chevrolet Silverado 3500 Classic WT
2007-2018 Chevrolet Silverado 3500 HD WT
2007-2018 Chevrolet Silverado 3500 HD LT
2007-2018 Chevrolet Silverado 3500 HD LTZ
2015-2018 Chevrolet Silverado 3500 HD High Country
2003 Dodge Ram 2500 Laramie
2003-2010 Dodge Ram 2500 SLT
2003-2010 Dodge Ram 2500 ST
2005-2010 Dodge Ram 2500 Laramie
2006-2007 Dodge Ram 2500 Sport
2006-2007 Dodge Ram 2500 TRX4
2006-2010 Dodge Ram 2500 Power Wagon
2008-2010 Dodge Ram 2500 SXT
2010 Dodge Ram 2500 TRX
2003 Dodge Ram 2500 Van Base
2003-2010 Dodge Ram 3500 Laramie
2003-2010 Dodge Ram 3500 SLT
2003-2010 Dodge Ram 3500 ST
2006-2007 Dodge Ram 3500 Sport
2007 Dodge Ram 3500 TRX4
2008-2009 Dodge Ram 3500 SXT
2001-2002 GMC Savana 3500 SLT
2001-2008 GMC Savana 3500 Base
2003-2005 GMC Savana 3500 SLE
2006-2008 GMC Savana 3500 LS
2006-2009 GMC Savana 3500 LT
2001-2002 GMC Sierra 2500 SL
2001-2004 GMC Sierra 2500 SLE
2001-2004 GMC Sierra 2500 SLT
2002-2004 GMC Sierra 2500 Base
2003-2004 GMC Sierra 2500 WT
2001-2002 GMC Sierra 2500 HD SL
2001-2018 GMC Sierra 2500 HD SLE
2001-2018 GMC Sierra 2500 HD SLT
2002-2005 GMC Sierra 2500 HD Base
2003-2014 GMC Sierra 2500 HD WT
2006 GMC Sierra 2500 HD SL

…and 42 additional fitments. Contact us to confirm yours.

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