Yukon Gear Master Overhaul Kit for 1999-2008 GM 8.6in Differential — Fits Chevrolet, GMC, Cadillac

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SKU: YUKYK GM8.6-A
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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.

Yukon Gear Master Overhaul Kit for 1999-2008 GM 8.6in Differentials

Ensure the longevity and performance of your GM 8.6-inch differential with the Yukon Gear Master Overhaul Kit, specifically designed for models from 1999 to 2008. This comprehensive kit contains all the high-quality components necessary for a professional and reliable differential rebuild.

Premium Components for Durability

Yukon Gear & Axle is committed to providing superior parts. This Master Overhaul Kit includes:

  • High-quality Timken bearings and races for exceptional wear resistance and smooth operation.
  • All essential small parts, seals, and gaskets required for a complete installation.
  • Carrier bearings and races
  • Pinion bearings and races
  • Pinion seal
  • Complete shim kit for precise gear setup
  • Ring gear bolts
  • Pinion nut
  • Crush sleeve (if applicable)
  • Oil baffles and slingers (if applicable)
  • Thread locking compound
  • Marking compound with brush for accurate gear pattern analysis

Extensive Vehicle Fitment

This kit is tailored for the GM 8.6-inch differential found in a wide range of popular vehicles, including:

  • Chevrolet Silverado 1500, Tahoe, Suburban 1500, S10, C1500, C2500, K1500, K1500 Suburban
  • GMC Sierra 1500, Yukon, Yukon XL 1500, Canyon, Savana 1500, Sonoma, C1500, C2500, K1500, K1500 Suburban
  • Cadillac Escalade

Covering model years from 1999 through 2008, this kit ensures a perfect fit for your specific application. Trust Yukon Gear & Axle for the most comprehensive overhaul kits on the market to keep your drivetrain performing optimally.

Find this essential differential overhaul kit and other quality drivetrain components at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2004-2005 Buick Rainier CXL Plus
2004-2007 Buick Rainier CXL
1999-2000 Cadillac Escalade Base
2002-2008 Cadillac Escalade Base
2008 Cadillac Escalade Platinum
2007-2008 Chevrolet Avalanche LS
2007-2008 Chevrolet Avalanche LT
2007-2008 Chevrolet Avalanche LTZ
2002-2003 Chevrolet Avalanche 1500 North Face
2002-2003 Chevrolet Avalanche 1500 On Road Edition
2002-2005 Chevrolet Avalanche 1500 Base
2002-2006 Chevrolet Avalanche 1500 Z71
2003 Chevrolet Avalanche 1500 WBH
2004-2006 Chevrolet Avalanche 1500 Z66
2005-2006 Chevrolet Avalanche 1500 LS
2005-2006 Chevrolet Avalanche 1500 LT
1999 Chevrolet C1500 LS
1999 Chevrolet C1500 Suburban Base
1999 Chevrolet C1500 Suburban LS
1999 Chevrolet C1500 Suburban LT
1999-2000 Chevrolet C2500 Base
1999-2000 Chevrolet C2500 LS
2004 Chevrolet Colorado Base
2004 Chevrolet Colorado LS
2004-2005 Chevrolet Colorado Sport
2004-2005 Chevrolet Colorado Sport LS
2004-2005 Chevrolet Colorado Z71
2004-2005 Chevrolet Colorado Z71 LS
2004-2005 Chevrolet Colorado Z85
2004-2005 Chevrolet Colorado Z85 LS
2006-2008 Chevrolet Colorado LS
2006-2008 Chevrolet Colorado LT
2006-2008 Chevrolet Colorado WT
2003-2008 Chevrolet Express 1500 LS
2003-2008 Chevrolet Express 1500 Base
2006-2008 Chevrolet Express 1500 LT
1999 Chevrolet K1500 LS
1999 Chevrolet K1500 Suburban Base
1999 Chevrolet K1500 Suburban LS
1999 Chevrolet K1500 Suburban LT
1999-2003 Chevrolet S10 Xtreme
1999-2003 Chevrolet S10 ZR2
1999-2003 Chevrolet S10 Base
1999-2004 Chevrolet S10 LS
2002-2004 Chevrolet S10 ZR5
2003-2006 Chevrolet SSR Base
1999-2005 Chevrolet Silverado 1500 Base
1999-2008 Chevrolet Silverado 1500 LS
1999-2008 Chevrolet Silverado 1500 LT
2002-2008 Chevrolet Silverado 1500 WT
2004-2005 Chevrolet Silverado 1500 Z71 Off-Road
2004-2006 Chevrolet Silverado 1500 Hybrid
2005-2006 Chevrolet Silverado 1500 SS
2007-2008 Chevrolet Silverado 1500 LTZ
2000-2001 Chevrolet Suburban 1500 Base
2000-2008 Chevrolet Suburban 1500 LS
2000-2008 Chevrolet Suburban 1500 LT
2002-2006 Chevrolet Suburban 1500 Z71
2006 Chevrolet Suburban 1500 Base
2007-2008 Chevrolet Suburban 1500 LTZ

…and 89 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.

Yukon Gear Master Overhaul Kit for 1999-2008 GM 8.6in Differentials

Ensure the longevity and performance of your GM 8.6-inch differential with the Yukon Gear Master Overhaul Kit, specifically designed for models from 1999 to 2008. This comprehensive kit contains all the high-quality components necessary for a professional and reliable differential rebuild.

Premium Components for Durability

Yukon Gear & Axle is committed to providing superior parts. This Master Overhaul Kit includes:

  • High-quality Timken bearings and races for exceptional wear resistance and smooth operation.
  • All essential small parts, seals, and gaskets required for a complete installation.
  • Carrier bearings and races
  • Pinion bearings and races
  • Pinion seal
  • Complete shim kit for precise gear setup
  • Ring gear bolts
  • Pinion nut
  • Crush sleeve (if applicable)
  • Oil baffles and slingers (if applicable)
  • Thread locking compound
  • Marking compound with brush for accurate gear pattern analysis

Extensive Vehicle Fitment

This kit is tailored for the GM 8.6-inch differential found in a wide range of popular vehicles, including:

  • Chevrolet Silverado 1500, Tahoe, Suburban 1500, S10, C1500, C2500, K1500, K1500 Suburban
  • GMC Sierra 1500, Yukon, Yukon XL 1500, Canyon, Savana 1500, Sonoma, C1500, C2500, K1500, K1500 Suburban
  • Cadillac Escalade

Covering model years from 1999 through 2008, this kit ensures a perfect fit for your specific application. Trust Yukon Gear & Axle for the most comprehensive overhaul kits on the market to keep your drivetrain performing optimally.

Find this essential differential overhaul kit and other quality drivetrain components at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2004-2005 Buick Rainier CXL Plus
2004-2007 Buick Rainier CXL
1999-2000 Cadillac Escalade Base
2002-2008 Cadillac Escalade Base
2008 Cadillac Escalade Platinum
2007-2008 Chevrolet Avalanche LS
2007-2008 Chevrolet Avalanche LT
2007-2008 Chevrolet Avalanche LTZ
2002-2003 Chevrolet Avalanche 1500 North Face
2002-2003 Chevrolet Avalanche 1500 On Road Edition
2002-2005 Chevrolet Avalanche 1500 Base
2002-2006 Chevrolet Avalanche 1500 Z71
2003 Chevrolet Avalanche 1500 WBH
2004-2006 Chevrolet Avalanche 1500 Z66
2005-2006 Chevrolet Avalanche 1500 LS
2005-2006 Chevrolet Avalanche 1500 LT
1999 Chevrolet C1500 LS
1999 Chevrolet C1500 Suburban Base
1999 Chevrolet C1500 Suburban LS
1999 Chevrolet C1500 Suburban LT
1999-2000 Chevrolet C2500 Base
1999-2000 Chevrolet C2500 LS
2004 Chevrolet Colorado Base
2004 Chevrolet Colorado LS
2004-2005 Chevrolet Colorado Sport
2004-2005 Chevrolet Colorado Sport LS
2004-2005 Chevrolet Colorado Z71
2004-2005 Chevrolet Colorado Z71 LS
2004-2005 Chevrolet Colorado Z85
2004-2005 Chevrolet Colorado Z85 LS
2006-2008 Chevrolet Colorado LS
2006-2008 Chevrolet Colorado LT
2006-2008 Chevrolet Colorado WT
2003-2008 Chevrolet Express 1500 LS
2003-2008 Chevrolet Express 1500 Base
2006-2008 Chevrolet Express 1500 LT
1999 Chevrolet K1500 LS
1999 Chevrolet K1500 Suburban Base
1999 Chevrolet K1500 Suburban LS
1999 Chevrolet K1500 Suburban LT
1999-2003 Chevrolet S10 Xtreme
1999-2003 Chevrolet S10 ZR2
1999-2003 Chevrolet S10 Base
1999-2004 Chevrolet S10 LS
2002-2004 Chevrolet S10 ZR5
2003-2006 Chevrolet SSR Base
1999-2005 Chevrolet Silverado 1500 Base
1999-2008 Chevrolet Silverado 1500 LS
1999-2008 Chevrolet Silverado 1500 LT
2002-2008 Chevrolet Silverado 1500 WT
2004-2005 Chevrolet Silverado 1500 Z71 Off-Road
2004-2006 Chevrolet Silverado 1500 Hybrid
2005-2006 Chevrolet Silverado 1500 SS
2007-2008 Chevrolet Silverado 1500 LTZ
2000-2001 Chevrolet Suburban 1500 Base
2000-2008 Chevrolet Suburban 1500 LS
2000-2008 Chevrolet Suburban 1500 LT
2002-2006 Chevrolet Suburban 1500 Z71
2006 Chevrolet Suburban 1500 Base
2007-2008 Chevrolet Suburban 1500 LTZ

…and 89 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.

Yukon Gear Master Overhaul Kit for 1999-2008 GM 8.6in Differentials

Ensure the longevity and performance of your GM 8.6-inch differential with the Yukon Gear Master Overhaul Kit, specifically designed for models from 1999 to 2008. This comprehensive kit contains all the high-quality components necessary for a professional and reliable differential rebuild.

Premium Components for Durability

Yukon Gear & Axle is committed to providing superior parts. This Master Overhaul Kit includes:

  • High-quality Timken bearings and races for exceptional wear resistance and smooth operation.
  • All essential small parts, seals, and gaskets required for a complete installation.
  • Carrier bearings and races
  • Pinion bearings and races
  • Pinion seal
  • Complete shim kit for precise gear setup
  • Ring gear bolts
  • Pinion nut
  • Crush sleeve (if applicable)
  • Oil baffles and slingers (if applicable)
  • Thread locking compound
  • Marking compound with brush for accurate gear pattern analysis

Extensive Vehicle Fitment

This kit is tailored for the GM 8.6-inch differential found in a wide range of popular vehicles, including:

  • Chevrolet Silverado 1500, Tahoe, Suburban 1500, S10, C1500, C2500, K1500, K1500 Suburban
  • GMC Sierra 1500, Yukon, Yukon XL 1500, Canyon, Savana 1500, Sonoma, C1500, C2500, K1500, K1500 Suburban
  • Cadillac Escalade

Covering model years from 1999 through 2008, this kit ensures a perfect fit for your specific application. Trust Yukon Gear & Axle for the most comprehensive overhaul kits on the market to keep your drivetrain performing optimally.

Find this essential differential overhaul kit and other quality drivetrain components at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2004-2005 Buick Rainier CXL Plus
2004-2007 Buick Rainier CXL
1999-2000 Cadillac Escalade Base
2002-2008 Cadillac Escalade Base
2008 Cadillac Escalade Platinum
2007-2008 Chevrolet Avalanche LS
2007-2008 Chevrolet Avalanche LT
2007-2008 Chevrolet Avalanche LTZ
2002-2003 Chevrolet Avalanche 1500 North Face
2002-2003 Chevrolet Avalanche 1500 On Road Edition
2002-2005 Chevrolet Avalanche 1500 Base
2002-2006 Chevrolet Avalanche 1500 Z71
2003 Chevrolet Avalanche 1500 WBH
2004-2006 Chevrolet Avalanche 1500 Z66
2005-2006 Chevrolet Avalanche 1500 LS
2005-2006 Chevrolet Avalanche 1500 LT
1999 Chevrolet C1500 LS
1999 Chevrolet C1500 Suburban Base
1999 Chevrolet C1500 Suburban LS
1999 Chevrolet C1500 Suburban LT
1999-2000 Chevrolet C2500 Base
1999-2000 Chevrolet C2500 LS
2004 Chevrolet Colorado Base
2004 Chevrolet Colorado LS
2004-2005 Chevrolet Colorado Sport
2004-2005 Chevrolet Colorado Sport LS
2004-2005 Chevrolet Colorado Z71
2004-2005 Chevrolet Colorado Z71 LS
2004-2005 Chevrolet Colorado Z85
2004-2005 Chevrolet Colorado Z85 LS
2006-2008 Chevrolet Colorado LS
2006-2008 Chevrolet Colorado LT
2006-2008 Chevrolet Colorado WT
2003-2008 Chevrolet Express 1500 LS
2003-2008 Chevrolet Express 1500 Base
2006-2008 Chevrolet Express 1500 LT
1999 Chevrolet K1500 LS
1999 Chevrolet K1500 Suburban Base
1999 Chevrolet K1500 Suburban LS
1999 Chevrolet K1500 Suburban LT
1999-2003 Chevrolet S10 Xtreme
1999-2003 Chevrolet S10 ZR2
1999-2003 Chevrolet S10 Base
1999-2004 Chevrolet S10 LS
2002-2004 Chevrolet S10 ZR5
2003-2006 Chevrolet SSR Base
1999-2005 Chevrolet Silverado 1500 Base
1999-2008 Chevrolet Silverado 1500 LS
1999-2008 Chevrolet Silverado 1500 LT
2002-2008 Chevrolet Silverado 1500 WT
2004-2005 Chevrolet Silverado 1500 Z71 Off-Road
2004-2006 Chevrolet Silverado 1500 Hybrid
2005-2006 Chevrolet Silverado 1500 SS
2007-2008 Chevrolet Silverado 1500 LTZ
2000-2001 Chevrolet Suburban 1500 Base
2000-2008 Chevrolet Suburban 1500 LS
2000-2008 Chevrolet Suburban 1500 LT
2002-2006 Chevrolet Suburban 1500 Z71
2006 Chevrolet Suburban 1500 Base
2007-2008 Chevrolet Suburban 1500 LTZ

…and 89 additional fitments. Contact us to confirm yours.

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