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Yukon Gear & Axle YK GM8.6-B Master Overhaul Kit
The Yukon Gear & Axle YK GM8.6-B Master Overhaul Kit provides a comprehensive solution for those looking to rebuild or service the GM 8.6-inch differential found in various models from 2009 and later. This kit is engineered to meet the specific needs of your differential, ensuring a reliable performance with every installation.
High-Quality Components
This overhaul kit includes premium parts sourced from trusted manufacturers, ensuring durability and longevity:
- Timken bearings and races for superior load handling and reduced wear.
- High-quality seals and small parts to prevent leaks and maintain optimal performance.
- A complete shim kit for precise adjustments during installation.
- Carrier bearings and races, pinion bearings and races included for a full rebuild.
- Ring gear bolts, pinion nut, crush sleeve, and thread locker for secure assembly.
- Marking compound with brush for accurate setup of gear mesh.
- Gasket to ensure a tight seal and prevent fluid leaks.
Fitment Details
This kit is compatible with the following models:
- Cadillac Escalade (2009-2013)
- Chevrolet Avalanche (2009-2013)
- Chevrolet Colorado (2009-2012)
- Chevrolet Express (2009-2014)
- Chevrolet Silverado 1500 (2009-2019)
- Chevrolet Suburban (2009-2014)
- Chevrolet Tahoe (2009-2017)
- Chevrolet TrailBlazer (2009)
- GMC Canyon (2009-2012)
- GMC Envoy (2009)
- GMC Savana (2009-2014)
- GMC Sierra (2009-2019)
- GMC Yukon (2009-2013)
- GMC Yukon XL (2009-2014)
- Hummer H3 (2009-2010)
- Hummer H3T (2009-2010)
- Saab 9-7x (2009)
Installation Notes
When installing the YK GM8.6-B Master Overhaul Kit, it is recommended to follow the manufacturer’s specifications for torque settings and assembly procedures to ensure optimal performance and longevity of your differential. Proper installation will help maintain the integrity of the drivetrain and enhance overall vehicle handling.
Proposition 65
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
| Vehicle Make/Model | Year | Trims |
|---|---|---|
| Cadillac Escalade | 2009-2013 | Base |
| Cadillac Escalade | 2009-2013 | Hybrid |
| Cadillac Escalade | 2009-2013 | Platinum |
| Cadillac Escalade | 2010-2013 | Hybrid Platinum |
| Cadillac Escalade | 2011-2013 | Premium |
| Cadillac Escalade | 2011-2013 | Luxury |
| Cadillac Escalade | 2012 | Special Edition |
| Cadillac Escalade ESV | 2009-2013 | Base |
| Cadillac Escalade ESV | 2009-2013 | Platinum |
| Cadillac Escalade ESV | 2010 | Lujo |
| Cadillac Escalade ESV | 2011-2013 | Luxury |
| Cadillac Escalade ESV | 2011-2013 | Premium |
| Cadillac Escalade ESV | 2012 | Special Edition |
| Cadillac Escalade EXT | 2009-2013 | Base |
| Cadillac Escalade EXT | 2011-2013 | Premium |
| Cadillac Escalade EXT | 2011-2013 | Luxury |
| Chevrolet Avalanche | 2009-2012 | LTZ |
| Chevrolet Avalanche | 2009-2013 | Base |
| Chevrolet Avalanche | 2009-2012 | LS |
| Chevrolet Avalanche | 2009-2012 | LT |
| Chevrolet Avalanche | 2013 | Black Diamond LTZ |
| Chevrolet Avalanche | 2013 | Black Diamond LS |
| Chevrolet Avalanche | 2013 | Black Diamond LT |
| Chevrolet Colorado | 2009-2012 | WT |
| Chevrolet Colorado | 2009-2012 | LT |
| Chevrolet Colorado | 2009-2012 | Base |
| Chevrolet Express 1500 | 2009-2014 | LT |
| Chevrolet Express 1500 | 2009-2014 | LS |
| Chevrolet Express 1500 | 2009-2014 | Base |
| Chevrolet Silverado 1500 | 2009-2012, 2014, 2016 | Base |
| Chevrolet Silverado 1500 | 2009-2013, 2015-2018 | LS |
| Chevrolet Silverado 1500 | 2009-2013 | Hybrid |
| Chevrolet Silverado 1500 | 2009-2019 | LT |
| Chevrolet Silverado 1500 | 2009-2019 | WT |
| Chevrolet Silverado 1500 | 2009-2019 | LTZ |
| Chevrolet Silverado 1500 | 2010-2013 | XFE |
| Chevrolet Silverado 1500 | 2014-2019 | High Country |
| Chevrolet Silverado 1500 | 2015-2019 | SSV |
| Chevrolet Silverado 1500 | 2016-2019 | Custom |
| Chevrolet Silverado 1500 | 2019 | RST |
| Chevrolet Silverado 1500 | 2019 | WT Doble Cabina |
| Chevrolet Silverado 1500 | 2019 | WT Cab Regular |
| Chevrolet Silverado 1500 | 2019 | LT Trail Boss |
| Chevrolet Silverado 1500 | 2019 | Custom Trail Boss |
| Chevrolet Silverado 1500 LD | 2019 | Custom |
| Chevrolet Silverado 1500 LD | 2019 | WT |
| Chevrolet Silverado 1500 LD | 2019 | LT |
| Chevrolet Suburban | 2014 | LT |
| Chevrolet Suburban 1500 | 2009-2014 | LTZ |
| Chevrolet Suburban 1500 | 2009-2012 | Base |
| Chevrolet Suburban 1500 | 2009-2014 | LT |
| Chevrolet Suburban 1500 | 2009-2014 | LS |
| Chevrolet Suburban 1500 | 2010 | 75 Aniversario Diamond Edition |
| Chevrolet Suburban 2500 | 2009-2013 | LS |
| Chevrolet Suburban 2500 | 2009-2012 | Base |
| Chevrolet Suburban 2500 | 2009-2013 | LT |
| Chevrolet Tahoe | 2009-2016 | LTZ |
| Chevrolet Tahoe | 2009-2017 | LT |
| Chevrolet Tahoe | 2009-2017 | PPV |
| Chevrolet Tahoe | 2009-2010, 2016-2017 | Z71 |
| Chevrolet Tahoe | 2009-2017 | LS |
| Chevrolet Tahoe | 2009, 2011-2012 | Base |
| Chevrolet Tahoe | 2009-2013 | Hybrid |
| Chevrolet Tahoe | 2012-2017 | SSV |
| Chevrolet Tahoe | 2014, 2017 | Police |
| Chevrolet Tahoe | 2017 | Premier |
| Chevrolet Trailblazer | 2009 | LT |
| Chevrolet Trailblazer | 2009 | SS |
| GMC Canyon | 2009-2012 | SLT |
| GMC Canyon | 2009-2012 | SLE |
| GMC Canyon | 2009-2012 | WT |
| GMC Canyon | 2009-2012 | Base |
| GMC Envoy | 2009 | Denali |
| GMC Envoy | 2009 | SLE |
| GMC Envoy | 2009 | SLT |
| GMC Savana 1500 | 2009-2010, 2012-2013 | SL |
| GMC Savana 1500 | 2009-2010, 2012-2013 | SLE |
| GMC Savana 1500 | 2009-2014 | LT |
| GMC Savana 1500 | 2009-2014 | LS |
| GMC Savana 1500 | 2009-2014 | Base |
| GMC Savana 2500 | 2009-2010, 2012-2013 | SL |
| GMC Savana 2500 | 2009-2014 | LS |
| GMC Savana 2500 | 2009-2014 | LT |
| GMC Savana 2500 | 2009-2010, 2012-2013 | SLE |
| GMC Savana 2500 | 2009-2014 | Base |
| GMC Savana 3500 | 2009-2014 | Base |
| GMC Savana 3500 | 2009-2010, 2012-2013 | SL |
| GMC Savana 3500 | 2009-2010, 2012-2013 | SLE |
| GMC Savana 3500 | 2009-2014 | LS |
| GMC Savana 3500 | 2009-2014 | LT |
| GMC Sierra | 2009, 2011-2012 | Base |
| GMC Sierra | 2009-2019 | Denali |
| GMC Sierra | 2010, 2013-2015 | SLT |
| GMC Sierra | 2013-2019 | SLE |
| GMC Sierra | 2014-2018 | All Terrain |
| GMC Sierra | 2019 | AT4 |
| GMC Sierra 1500 | 2009-2019 | SLT |
| GMC Sierra 1500 | 2009-2013 | WT |
| GMC Sierra 1500 | 2009-2019 | Denali |
| GMC Sierra 1500 | 2009-2013 | Hybrid |
| GMC Sierra 1500 | 2009-2019 | SLE |
| GMC Sierra 1500 | 2009-2013 | SL |
| GMC Sierra 1500 | 2010-2013 | XFE |
| GMC Sierra 1500 | 2014-2019 | Base |
| GMC Sierra 1500 | 2019 | Elevation |
| GMC Sierra 1500 | 2019 | AT4 |
| GMC Sierra 1500 Limited | 2019 | Base |
| GMC Sierra 1500 Limited | 2019 | SLE |
| GMC Sierra 2500 HD | 2009-2014 | WT |
| GMC Sierra 2500 HD | 2009-2019 | SLT |
| GMC Sierra 2500 HD | 2009-2019 | SLE |
| GMC Sierra 2500 HD | 2011-2019 | Denali |
| GMC Sierra 2500 HD | 2015-2019 | Base |
| GMC Sierra 3500 HD | 2009-2019 | SLE |
| GMC Sierra 3500 HD | 2009-2014 | WT |
| GMC Sierra 3500 HD | 2009-2019 | SLT |
| GMC Sierra 3500 HD | 2011-2019 | Denali |
| GMC Sierra 3500 HD | 2015-2019 | Base |
| GMC Yukon | 2009, 2011-2012 | Base |
| GMC Yukon | 2009-2013 | Hybrid |
| GMC Yukon | 2009-2013 | SLE |
| GMC Yukon | 2009-2013 | SLT |
| GMC Yukon | 2009-2013 | Denali |
| GMC Yukon | 2010-2013 | Denali Hybrid |
| GMC Yukon XL 1500 | 2009-2014 | Denali |
| GMC Yukon XL 1500 | 2009-2014 | SLT |
| GMC Yukon XL 1500 | 2009-2014 | SLE |
| GMC Yukon XL 2500 | 2009-2013 | SLE |
| GMC Yukon XL 2500 | 2009-2013 | SLT |
| Hummer H3 | 2009-2010 | Luxury |
| Hummer H3 | 2009 | X |
| Hummer H3 | 2009-2010 | Base |
| Hummer H3 | 2009-2010 | Alpha |
| Hummer H3 | 2009 | Championship Series |
| Hummer H3 | 2009-2010 | Adventure |
| Hummer H3T | 2009-2010 | Alpha |
| Hummer H3T | 2009-2010 | Base |
| Hummer H3T | 2010 | Adventure |
| Saab 9-7x | 2009 | 5.3i |
| Saab 9-7x | 2009 | 4.2i |
| Saab 9-7x | 2009 | Aero |
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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