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Yukon Gear & Axle Rear Nodular Iron Cover 8.6" GM with 8mm Cover Bolts - YHCC-GM8.5-M
Yukon Gear & Axle Rear Nodular Iron Cover 8.6" GM with 8mm Cover Bolts - YHCC-GM8.5-M - Image 7 Yukon Gear & Axle Rear Nodular Iron Cover 8.6" GM with 8mm Cover Bolts - YHCC-GM8.5-M - Image 2 Yukon Gear & Axle Rear Nodular Iron Cover 8.6" GM with 8mm Cover Bolts - YHCC-GM8.5-M - Image 3 Yukon Gear & Axle Rear Nodular Iron Cover 8.6" GM with 8mm Cover Bolts - YHCC-GM8.5-M - Image 4 Yukon Gear & Axle Rear Nodular Iron Cover 8.6" GM with 8mm Cover Bolts - YHCC-GM8.5-M - Image 5 Yukon Gear & Axle Rear Nodular Iron Cover 8.6" GM with 8mm Cover Bolts - YHCC-GM8.5-M - Image 6 Yukon Gear & Axle Rear Nodular Iron Cover 8.6" GM with 8mm Cover Bolts - YHCC-GM8.5-M - Image 7

Yukon Gear & Axle YHCC-GM8.5-M Rear Differential Cover

The Yukon Gear & Axle YHCC-GM8.5-M Rear Differential Cover is engineered for those who demand durability and performance from their drivetrain components. Constructed from thick-walled nodular iron, this cover offers enhanced protection for your differential, ensuring that lockers, gears, and axles remain intact during extreme off-road conditions.

Key Features

  • Thick-walled nodular iron construction enhances housing rigidity, minimizing deflection under high-torque situations.
  • Contoured inner surfaces allow for improved oil circulation, promoting faster cooling during intense use.
  • Durable black powder coat finish provides additional protection against corrosion and wear.
  • Includes stainless-steel accent plate and high-strength cover bolts for a secure, stylish installation.
  • Compatible with both standard and reverse rotation differentials.

Specifications

  • Carrier Main Cap Support: No
  • Cover Bolt Hole Quantity: 10
  • Filler Plug Included: Yes
  • Finish: Black
  • Gasket or Seal Included: No
  • Mounting Bolts Included: Yes
  • Ring Gear Bolt Quantity: 10

Fitment

The YHCC-GM8.5-M is designed to fit a variety of GM models, ensuring you can protect your differential effectively:

  • Cadillac Escalade 1999-2000 & 2002-2019
  • Chevrolet Avalanche 2007-2013
  • Chevrolet Avalanche 1500 2002-2006
  • Chevrolet Avalanche 2500 2002-2006
  • Chevrolet Express 2000-2014
  • Chevrolet Silverado 1500 1999-2019
  • Chevrolet Suburban 1999-2019
  • Chevrolet Tahoe 1999-2019
  • GMC Savana 2000-2014
  • GMC Sierra 1999-2019
  • GMC Yukon 1999-2019
  • GMC Yukon XL 2000-2019

Upgrade to the Yukon YHCC-GM8.5-M and gain the confidence to tackle rough terrains without worrying about the integrity of your differential.

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Vehicle Make/Model
Cadillac Escalade 1999-2000, 2002-2019 Base
Cadillac Escalade 2008-2019 Platinum
Cadillac Escalade 2009-2013 Hybrid
Cadillac Escalade 2010-2013 Hybrid Platinum
Cadillac Escalade 2011-2017 Premium
Cadillac Escalade 2011-2019 Luxury
Cadillac Escalade 2012 Special Edition
Cadillac Escalade 2017-2019 Premium Luxury
Cadillac Escalade ESV 2003-2019 Base
Cadillac Escalade ESV 2008-2019 Platinum
Cadillac Escalade ESV 2010 Lujo
Cadillac Escalade ESV 2011-2019 Luxury
Cadillac Escalade ESV 2011-2019 Premium
Cadillac Escalade ESV 2012 Special Edition
Cadillac Escalade ESV 2017-2019 Premium Luxury
Cadillac Escalade EXT 2002-2013 Base
Cadillac Escalade EXT 2011-2013 Premium
Cadillac Escalade EXT 2011-2013 Luxury
Chevrolet Avalanche 2007-2013 Base
Chevrolet Avalanche 2007-2012 LT
Chevrolet Avalanche 2007-2012 LTZ
Chevrolet Avalanche 2007-2012 LS
Chevrolet Avalanche 2013 Black Diamond LTZ
Chevrolet Avalanche 2013 Black Diamond LS
Chevrolet Avalanche 2013 Black Diamond LT
Chevrolet Avalanche 1500 2002-2003 On Road Edition
Chevrolet Avalanche 1500 2002-2003 North Face
Chevrolet Avalanche 1500 2002-2006 Base
Chevrolet Avalanche 1500 2002-2006 Z71
Chevrolet Avalanche 1500 2002, 2005-2006 LT
Chevrolet Avalanche 1500 2002, 2005-2006 LS
Chevrolet Avalanche 1500 2003 WBH
Chevrolet Avalanche 1500 2004-2006 Z66
Chevrolet Avalanche 2500 2002-2004 Base
Chevrolet Avalanche 2500 2005-2006 LS
Chevrolet Avalanche 2500 2005-2006 LT
Chevrolet C1500 Suburban 1999 LS
Chevrolet C1500 Suburban 1999 LT
Chevrolet C1500 Suburban 1999 Base
Chevrolet C2500 Suburban 1999 LS
Chevrolet C2500 Suburban 1999 Base
Chevrolet Express 1500 2000-2014 LS
Chevrolet Express 1500 2000-2014 Base
Chevrolet Express 1500 2001-2002, 2006-2014 LT
Chevrolet K1500 Suburban 1999 Base
Chevrolet K1500 Suburban 1999 LS
Chevrolet K1500 Suburban 1999 LT
Chevrolet K2500 Suburban 1999 LS
Chevrolet K2500 Suburban 1999 Base
Chevrolet Silverado 1500 1999-2019 LT
Chevrolet Silverado 1500 1999-2013, 2015-2018 LS
Chevrolet Silverado 1500 1999-2012, 2014, 2016 Base
Chevrolet Silverado 1500 2002, 2016-2019 Custom
Chevrolet Silverado 1500 2002-2019 WT
Chevrolet Silverado 1500 2003-2006 SS
Chevrolet Silverado 1500 2004-2006, 2009-2013 Hybrid
Chevrolet Silverado 1500 2004-2005 Z71 Off-Road
Chevrolet Silverado 1500 2007-2019 LTZ
Chevrolet Silverado 1500 2010-2013 XFE
Chevrolet Silverado 1500 2014-2019 High Country
Chevrolet Silverado 1500 2015-2019 SSV
Chevrolet Silverado 1500 2019 LT Trail Boss
Chevrolet Silverado 1500 2019 WT Doble Cabina
Chevrolet Silverado 1500 2019 WT Cab Regular
Chevrolet Silverado 1500 2019 Custom Trail Boss
Chevrolet Silverado 1500 2019 RST
Chevrolet Silverado 1500 Classic 2007 SS
Chevrolet Silverado 1500 Classic 2007 Hybrid
Chevrolet Silverado 1500 Classic 2007 LS
Chevrolet Silverado 1500 Classic 2007 WT
Chevrolet Silverado 1500 Classic 2007 LT
Chevrolet Silverado 1500 HD 2001-2003, 2005 LS
Chevrolet Silverado 1500 HD 2001-2003, 2005-2006 LT
Chevrolet Silverado 1500 HD 2005 Base
Chevrolet Silverado 1500 HD Classic 2007 LT
Chevrolet Silverado 1500 LD 2019 LT
Chevrolet Silverado 1500 LD 2019 Custom
Chevrolet Silverado 1500 LD 2019 WT
Chevrolet Suburban 2014-2019 LT
Chevrolet Suburban 2015-2016 LTZ
Chevrolet Suburban 2015-2019 LS
Chevrolet Suburban 2016-2019 HD
Chevrolet Suburban 2017-2019 Premier
Chevrolet Suburban 1500 1999-2014 LT
Chevrolet Suburban 1500 1999-2014 LS
Chevrolet Suburban 1500 2000-2012 Base
Chevrolet Suburban 1500 2002-2006 Z71
Chevrolet Suburban 1500 2006-2014 LTZ
Chevrolet Suburban 1500 2010 75 Aniversario Diamond Edition
Chevrolet Suburban 2500 2000-2013 LT
Chevrolet Suburban 2500 2000-2013 LS
Chevrolet Suburban 2500 2000-2001, 2009-2012 Base
Chevrolet Suburban 2500 2007 LTZ
Chevrolet Suburban 3500 HD 2016-2019 LT
Chevrolet Suburban 3500 HD 2016-2019 LS
Chevrolet Tahoe 1999-2019 LT
Chevrolet Tahoe 1999-2001, 2006-2009, 2011-2012 Base
Chevrolet Tahoe 1999-2019 LS
Chevrolet Tahoe 2000, 2002-2006, 2008-2010, 2016-2017 Z71
Chevrolet Tahoe 2000 Limited
Chevrolet Tahoe 2007-2016 LTZ
Chevrolet Tahoe 2007-2019 PPV
Chevrolet Tahoe 2008-2013 Hybrid
Chevrolet Tahoe 2012-2019 SSV
Chevrolet Tahoe 2014, 2017-2019 Police
Chevrolet Tahoe 2017-2019 Premier
Chevrolet Tahoe 2018 Midnight Edition
GMC Savana 1500 2000, 2003-2005, 2009-2010, 2012-2013 SLE
GMC Savana 1500 2000-2014 Base
GMC Savana 1500 2001-2002 SLT
GMC Savana 1500 2006-2014 LT
GMC Savana 1500 2006-2014 LS
GMC Savana 1500 2009-2010, 2012-2013 SL
GMC Savana 2500 2000-2014 Base
GMC Savana 2500 2000, 2003-2005, 2009-2010, 2012-2013 SLE
GMC Savana 2500 2001-2002 SLT
GMC Savana 2500 2007-2014 LT
GMC Savana 2500 2007-2014 LS
GMC Savana 2500 2009-2010, 2012-2013 SL
GMC Savana 3500 2000, 2003-2005, 2009-2010, 2012-2013 SLE
GMC Savana 3500 2000-2014 Base
GMC Savana 3500 2001-2002 SLT
GMC Savana 3500 2006-2014 LT
GMC Savana 3500 2006-2014 LS
GMC Savana 3500 2009-2010, 2012-2013 SL
GMC Sierra 2007-2009, 2011-2012 Base
GMC Sierra 2008-2019 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 1999-2019 SLT
GMC Sierra 1500 1999-2003, 2006-2013 SL
GMC Sierra 1500 1999-2019 SLE
GMC Sierra 1500 2001 C3
GMC Sierra 1500 2002-2013 WT
GMC Sierra 1500 2002-2005, 2014-2019 Base
GMC Sierra 1500 2002-2019 Denali
GMC Sierra 1500 2002 HT
GMC Sierra 1500 2005-2006, 2009-2013 Hybrid
GMC Sierra 1500 2010-2013 XFE
GMC Sierra 1500 2019 Elevation
GMC Sierra 1500 2019 AT4
GMC Sierra 1500 Classic 2007 SLE
GMC Sierra 1500 Classic 2007 SLT
GMC Sierra 1500 Classic 2007 Hybrid
GMC Sierra 1500 Classic 2007 WT
GMC Sierra 1500 Classic 2007 Denali
GMC Sierra 1500 Classic 2007 SL
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 1500 Limited 2019 Base
GMC Sierra 1500 Limited 2019 SLE
GMC Sierra 2500 1999-2002 SL
GMC Sierra 2500 1999-2004 SLE
GMC Sierra 2500 1999-2004 SLT
GMC Sierra 2500 2002-2004 Base
GMC Sierra 2500 2003-2004 WT
GMC Sierra 2500 HD 2001-2019 SLT
GMC Sierra 2500 HD 2001-2019 SLE
GMC Sierra 2500 HD 2001-2002, 2006 SL
GMC Sierra 2500 HD 2002-2005, 2015-2019 Base
GMC Sierra 2500 HD 2003-2014 WT
GMC Sierra 2500 HD 2011-2019 Denali
GMC Sierra 2500 HD Classic 2007 SL
GMC Sierra 2500 HD Classic 2007 SLT
GMC Sierra 2500 HD Classic 2007 WT
GMC Sierra 2500 HD Classic 2007 SLE
GMC Sierra 3500 2001-2006 SLE
GMC Sierra 3500 2001-2002, 2006 SL
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 WT
GMC Sierra 3500 Classic 2007 SL
GMC Sierra 3500 Classic 2007 SLT
GMC Sierra 3500 HD 2007-2019 SLE
GMC Sierra 3500 HD 2007-2014 WT
GMC Sierra 3500 HD 2007-2019 SLT
GMC Sierra 3500 HD 2011-2019 Denali
GMC Sierra 3500 HD 2015-2019 Base
GMC Yukon 1999-2019 SLE
GMC Yukon 1999-2019 SLT
GMC Yukon 1999-2019 Denali
GMC Yukon 2006 SL
GMC Yukon 2007-2009, 2011-2012 Base
GMC Yukon 2008-2013 Hybrid
GMC Yukon 2010-2013 Denali Hybrid
GMC Yukon XL 2015-2019 SLT
GMC Yukon XL 2015-2019 SLE
GMC Yukon XL 2015-2019 Denali
GMC Yukon XL 1500 2000-2014 SLT
GMC Yukon XL 1500 2000-2014 SLE
GMC Yukon XL 1500 2001-2014 Denali
GMC Yukon XL 1500 2006 SL
GMC Yukon XL 2500 2000-2013 SLT
GMC Yukon XL 2500 2000-2013 SLE
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
  • 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.
Super Joint
  • 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.
YP - Series Products (other than Spool and Super Joint)
  • Length:One (1) Year
  • Notes:Covers parts for one year against manufacturers defects.
Front Axle (1541H)
  • Length:Ten (10) Years
  • Notes:Covers parts for ten years against manufacturing defects.
Rear Axle (1541H)
  • Length:Ten (10) Years
  • Notes:Covers parts for ten years against manufacturing defects.
Rear Axle 4340 (YA W)
  • 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.
Front Axle (Series YA W)
  • 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.
Ring & Pinion Gear Set
  • Length:One (1) Year
  • Notes:Warrantied against manufacturing defects for one (1) year.
Positraction Differential
  • 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.
Zip Locker (YZL)
  • 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.
Grizzly Locker (YGL)
  • 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.
Yokes
  • Length:One (1) Year
  • Notes:Covers parts for one year against manufacturing defects.
Carriers (YC)
  • Length:One (1) Year
  • Notes:Covers parts for one year against manufacturing defects.
Tools (YT)
  • Length:One (1) Year
  • Notes:Covers parts for one year against manufacturing defects.
Install Kits
  • Length:One (1) Year
  • Notes:Includes BK, MK, PK, and YK. Covers parts for one year against manufacturing defects.
Spider Gear Kits (YPK)
  • Length:One (1) Year
  • Notes:One year against manufacturing defects. Exclusions apply, does not cover clutch wear in limited slip differentials.
YHC Drive Flanges
  • 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.
Yukon Hardcore Locking Hubs
  • 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
Driveshafts
  • 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.

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