See more parts for Buick Rainier
Select the year of your Buick Rainier:
Product thumb
USA Standard Gear Bearing Kit for 1999-2008 GM 8.6 Inch Differential
$143.89

USA Standard Gear ZBKGM8.6 Bearing Kit

The USA Standard Gear ZBKGM8.6 Bearing Kit is designed specifically for the 1999-2008 GM 8.6 inch rear differentials, ensuring a precise fit and reliable performance. This kit is essential for those looking to rebuild or replace their differential components with high-quality parts.

Key Features

  • Compatibility: Tailored for 1999-2008 GM 8.6 inch differentials.
  • Premium Components: Utilizes Koyo bearings and races, known for their durability and performance under load.
  • Comprehensive Kit: Includes everything needed for a complete installation: carrier bearings and races, pinion bearings and races, a pinion seal, pinion nut, crush sleeve, marking compound, and brush.

Durability and Warranty

Constructed with high-quality materials, this bearing kit is built to withstand the rigors of daily driving and off-road conditions. It comes with a 1-year warranty against manufacturer defects, providing peace of mind during your installation.

Fitment Details

The ZBKGM8.6 is compatible with a wide range of GM models, including:

  • Buick Rainier (2004-2007)
  • Cadillac Escalade (1999-2000 & 2002-2008)
  • Chevrolet Avalanche (2002-2008)
  • Chevrolet Silverado 1500 (1999-2008)
  • GMC Sierra (1999-2008)
  • Hummer H3 (2006-2008)
  • Saab 9-7x (2005-2008)

For those performing a differential rebuild or upgrade, the USA Standard Gear ZBKGM8.6 Bearing Kit is a reliable choice that ensures your differential operates smoothly and effectively.

Proposition 65

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

Vehicle Make/Model
Buick Rainier 2004-2007 CXL
Buick Rainier 2004-2005 CXL Plus
Cadillac Escalade 1999-2000, 2002-2008 Base
Cadillac Escalade 2008 Platinum
Cadillac Escalade ESV 2003-2008 Base
Cadillac Escalade ESV 2008 Platinum
Cadillac Escalade EXT 2002-2008 Base
Chevrolet Avalanche 2007-2008 LS
Chevrolet Avalanche 2007-2008 Base
Chevrolet Avalanche 2007-2008 LT
Chevrolet Avalanche 2007-2008 LTZ
Chevrolet Avalanche 1500 2002-2006 Base
Chevrolet Avalanche 1500 2002-2006 Z71
Chevrolet Avalanche 1500 2002, 2005-2006 LS
Chevrolet Avalanche 1500 2002-2003 On Road Edition
Chevrolet Avalanche 1500 2002-2003 North Face
Chevrolet Avalanche 1500 2002, 2005-2006 LT
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 1999 Base
Chevrolet C1500 1999 LS
Chevrolet C1500 Suburban 1999 Base
Chevrolet C1500 Suburban 1999 LT
Chevrolet C1500 Suburban 1999 LS
Chevrolet C2500 1999 400 SS
Chevrolet C2500 1999-2000 Base
Chevrolet C2500 1999-2000 LS
Chevrolet C2500 Suburban 1999 LS
Chevrolet C2500 Suburban 1999 Base
Chevrolet Colorado 2004-2005 Z71
Chevrolet Colorado 2004, 2006-2008 LS
Chevrolet Colorado 2004-2008 Base
Chevrolet Colorado 2004-2005 Z71 LS
Chevrolet Colorado 2004-2005 Z85 LS
Chevrolet Colorado 2004-2005 Sport
Chevrolet Colorado 2004-2005 Sport LS
Chevrolet Colorado 2004-2005 Z85
Chevrolet Colorado 2006-2008 LT
Chevrolet Colorado 2006-2008 WT
Chevrolet Express 1500 2003-2008 Base
Chevrolet Express 1500 2003-2008 LS
Chevrolet Express 1500 2006-2008 LT
Chevrolet K1500 1999 LS
Chevrolet K1500 Suburban 1999 LT
Chevrolet K1500 Suburban 1999 Base
Chevrolet K1500 Suburban 1999 LS
Chevrolet K2500 1999-2000 Base
Chevrolet K2500 1999-2000 LS
Chevrolet K2500 Suburban 1999 Base
Chevrolet K2500 Suburban 1999 LS
Chevrolet S10 1999-2003 Xtreme
Chevrolet S10 1999-2003 Base
Chevrolet S10 1999-2003 ZR2
Chevrolet S10 1999-2004 LS
Chevrolet S10 2002-2004 ZR5
Chevrolet SSR 2003-2006 Base
Chevrolet Silverado 1500 1999-2008 LT
Chevrolet Silverado 1500 1999-2008 Base
Chevrolet Silverado 1500 1999-2008 LS
Chevrolet Silverado 1500 2002-2008 WT
Chevrolet Silverado 1500 2002 Custom
Chevrolet Silverado 1500 2003-2006 SS
Chevrolet Silverado 1500 2004-2006 Hybrid
Chevrolet Silverado 1500 2004-2005 Z71 Off-Road
Chevrolet Silverado 1500 2007-2008 LTZ
Chevrolet Silverado 1500 Classic 2007 SS
Chevrolet Silverado 1500 Classic 2007 WT
Chevrolet Silverado 1500 Classic 2007 LS
Chevrolet Silverado 1500 Classic 2007 Hybrid
Chevrolet Silverado 1500 Classic 2007 LT
Chevrolet Silverado 1500 HD 2001-2003, 2005-2006 LT
Chevrolet Silverado 1500 HD 2001-2003, 2005 LS
Chevrolet Silverado 1500 HD 2005 Base
Chevrolet Silverado 1500 HD Classic 2007 LT
Chevrolet Suburban 1500 1999-2008 LT
Chevrolet Suburban 1500 1999-2008 LS
Chevrolet Suburban 1500 2000-2008 Base
Chevrolet Suburban 1500 2002-2006 Z71
Chevrolet Suburban 1500 2006-2008 LTZ
Chevrolet Suburban 2500 2000-2001 Base
Chevrolet Suburban 2500 2000-2008 LS
Chevrolet Suburban 2500 2000-2008 LT
Chevrolet Suburban 2500 2007 LTZ
Chevrolet Tahoe 1999-2008 LT
Chevrolet Tahoe 1999-2008 LS
Chevrolet Tahoe 1999-2001, 2006-2008 Base
Chevrolet Tahoe 2000 Limited
Chevrolet Tahoe 2000, 2002-2006, 2008 Z71
Chevrolet Tahoe 2007-2008 PPV
Chevrolet Tahoe 2007-2008 LTZ
Chevrolet Tahoe 2008 Hybrid
Chevrolet Trailblazer 2002-2007 LS
Chevrolet Trailblazer 2002-2008 LT
Chevrolet Trailblazer 2002-2003 LTZ
Chevrolet Trailblazer 2002-2004 North Face
Chevrolet Trailblazer 2003-2008 Base
Chevrolet Trailblazer 2004-2007 B
Chevrolet Trailblazer 2004-2007 A
Chevrolet Trailblazer 2005 Q
Chevrolet Trailblazer 2005 R
Chevrolet Trailblazer 2006-2008 SS
Chevrolet Trailblazer EXT 2002-2006 LT
Chevrolet Trailblazer EXT 2002-2004 North Face
Chevrolet Trailblazer EXT 2003-2006 LS
Chevrolet Trailblazer EXT 2003-2006 Base
Chevrolet Trailblazer EXT 2004-2006 B
GMC C1500 1999 Sierra SLE
GMC C1500 1999 Sierra SLT
GMC C1500 1999 Sierra SL
GMC C1500 Suburban 1999 Base
GMC C1500 Suburban 1999 SLE
GMC C1500 Suburban 1999 SLT
GMC C2500 1999-2000 Sierra SL
GMC C2500 1999-2000 Sierra SLE
GMC C2500 1999-2000 Sierra SLT
GMC C2500 Suburban 1999 SLT
GMC C2500 Suburban 1999 Base
GMC C2500 Suburban 1999 SLE
GMC Canyon 2004-2005 Z85 SL
GMC Canyon 2004-2005 Z85 SLE
GMC Canyon 2004-2005 Z71 SL
GMC Canyon 2004, 2006-2008 SL
GMC Canyon 2004-2005 Z71 SLE
GMC Canyon 2004-2005 Z71 Fleet
GMC Canyon 2004, 2006-2008 SLE
GMC Canyon 2006-2008 WT
GMC Canyon 2006-2008 SLT
GMC Canyon 2007-2008 Base
GMC Envoy 2002-2008 SLE
GMC Envoy 2002-2008 SLT
GMC Envoy 2005-2008 Denali
GMC Envoy XL 2002-2006 SLT
GMC Envoy XL 2002-2006 SLE
GMC Envoy XL 2005-2006 Denali
GMC Envoy XUV 2004-2005 SLT
GMC Envoy XUV 2004-2005 SLE
GMC K1500 1999 Sierra SL
GMC K1500 1999 Sierra SLE
GMC K1500 1999 Sierra SLT
GMC K1500 Suburban 1999 SLT
GMC K1500 Suburban 1999 Base
GMC K1500 Suburban 1999 SLE
GMC K2500 1999-2000 Sierra SLT
GMC K2500 1999-2000 Sierra SL
GMC K2500 1999-2000 Sierra SLE
GMC K2500 Suburban 1999 SLE
GMC K2500 Suburban 1999 Base
GMC K2500 Suburban 1999 SLT
GMC Savana 1500 1999-2000, 2003-2005 SLE
GMC Savana 1500 1999-2008 Base
GMC Savana 1500 2001-2002 SLT
GMC Savana 1500 2006-2008 LT
GMC Savana 1500 2006-2008 LS
GMC Savana 2500 1999-2008 Base
GMC Savana 2500 1999-2000, 2003-2005 SLE
GMC Savana 2500 2001-2002 SLT
GMC Savana 2500 2007-2008 LS
GMC Savana 2500 2007-2008 LT
GMC Savana 3500 1999-2000, 2003-2005 SLE
GMC Savana 3500 1999-2008 Base
GMC Savana 3500 2001-2002 SLT
GMC Savana 3500 2006-2008 LS
GMC Savana 3500 2006-2008 LT
GMC Sierra 2007-2008 Base
GMC Sierra 2008 Denali
GMC Sierra 1500 1999-2008 SLT
GMC Sierra 1500 1999-2003, 2006-2008 SL
GMC Sierra 1500 1999-2008 SLE
GMC Sierra 1500 2001 C3
GMC Sierra 1500 2002-2005 Base
GMC Sierra 1500 2002 HT
GMC Sierra 1500 2002-2008 WT
GMC Sierra 1500 2002-2008 Denali
GMC Sierra 1500 2005-2006 Hybrid
GMC Sierra 1500 Classic 2007 WT
GMC Sierra 1500 Classic 2007 SL
GMC Sierra 1500 Classic 2007 SLT
GMC Sierra 1500 Classic 2007 Hybrid
GMC Sierra 1500 Classic 2007 Denali
GMC Sierra 1500 Classic 2007 SLE
GMC Sierra 1500 HD 2001-2003, 2005-2006 SLE
GMC Sierra 1500 HD 2001-2003, 2005-2006 SLT
GMC Sierra 1500 HD Classic 2007 SLT
GMC Sierra 1500 HD Classic 2007 SLE
GMC Sierra 2500 1999-2004 SLE
GMC Sierra 2500 1999-2004 SLT
GMC Sierra 2500 1999-2002 SL
GMC Sierra 2500 2002-2004 Base
GMC Sierra 2500 2003-2004 WT
GMC Sierra 2500 HD 2001-2008 SLT
GMC Sierra 2500 HD 2001-2008 SLE
GMC Sierra 2500 HD 2001-2002, 2006 SL
GMC Sierra 2500 HD 2002-2005 Base
GMC Sierra 2500 HD 2003-2008 WT
GMC Sierra 2500 HD Classic 2007 SLE
GMC Sierra 2500 HD Classic 2007 SL
GMC Sierra 2500 HD Classic 2007 SLT
GMC Sierra 2500 HD Classic 2007 WT
GMC Sierra 3500 2001-2006 SLT
GMC Sierra 3500 2001-2006 SLE
GMC Sierra 3500 2001-2002, 2006 SL
GMC Sierra 3500 2002-2005 Base
GMC Sierra 3500 2004-2006 WT
GMC Sierra 3500 Classic 2007 SL
GMC Sierra 3500 Classic 2007 SLE
GMC Sierra 3500 Classic 2007 WT
GMC Sierra 3500 Classic 2007 SLT
GMC Sierra 3500 HD 2007-2008 SLT
GMC Sierra 3500 HD 2007-2008 WT
GMC Sierra 3500 HD 2007-2008 SLE
GMC Sonoma 1999-2001 SLE
GMC Sonoma 1999-2004 SL
GMC Sonoma 1999-2004 SLS
GMC Yukon 1999-2008 SLE
GMC Yukon 1999-2008 SLT
GMC Yukon 1999-2008 Denali
GMC Yukon 2006 SL
GMC Yukon 2007-2008 Base
GMC Yukon 2008 Hybrid
GMC Yukon XL 1500 2000-2008 SLE
GMC Yukon XL 1500 2000-2008 SLT
GMC Yukon XL 1500 2001-2008 Denali
GMC Yukon XL 1500 2006 SL
GMC Yukon XL 2500 2000-2008 SLE
GMC Yukon XL 2500 2000-2008 SLT
Hummer H3 2006-2008 Base
Hummer H3 2006-2008 Luxury
Hummer H3 2006-2008 Adventure
Hummer H3 2007-2008 X
Hummer H3 2008 Alpha
Isuzu Ascender 2003, 2006 Base
Isuzu Ascender 2003-2005 Limited
Isuzu Ascender 2003-2006 LS
Isuzu Ascender 2004-2005, 2007-2008 S
Saab 9-7x 2005 Linear
Saab 9-7x 2005 Arc
Saab 9-7x 2006-2008 5.3i
Saab 9-7x 2006-2008 4.2i
Saab 9-7x 2008 Aero

USA Standard Gear Banner

Who is USA Standard Gear?

USA Standard Gear is a company that supplies high-quality parts for the automotive industry. They are a one-stop-shop for all your drivetrain component needs and have one of the industry's most comprehensive parts list and inventory. Today, they are considered the leading supplier of these parts in the United States.

Drivetrain Experts

The company offers various parts ranging from axles, differential gears, lockers, limited slips, drivelines, and more. It is built by a team of craftsmen who has years of experience when it comes to assembling and modifying their own builds. This passion is what drives the company to create some of the best products in the market.

Quality In Every Product

All their parts are manufactured in their facility equipped with the latest and most sophisticated tools available today. They also have two high-tech testing labs to ensure that every product comes out with the company's quality.

The USA Standard Gear engineering team is constantly on edge trying to find ways to develop and further improve their products. That is why they can produce innovative parts that adapt to the changing trend in the automotive world.

Purchase USA Standard Gear at Vivid Racing

If you are in the market for reliable and top-notched drivetrain components, then USA Standard Gear is the brand for you. With years of experience developing their products, they have provided their customers with parts they could trust, whether it's a replacement component or an upgrade. 

To know more about USA Standard Gear, visit Vivid Racing and check out their list of offerings that fit your specific requirement.





USA Standard Gear® ("USA Standard") warrants the original retail purchaser that all USA Standard products will be free from defects in materials and workmanship for the periods shown herein. USA Standard 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 USA Standard product has been installed and maintained in accordance with USA Standard instructions, and that it has not been subject to modification, accident, abnormal use or misuse. At USA Standard's discretion, this warranty may be voided if installation of USA Standard product(s) occurs on vehicles with tires that exceed USA Standard Maximum Recommended Tire Size.

Upon notification of a warranty claim, USA Standard shall investigate the claim of defect, and, in the event of a verified defect, shall, at their sole choice, either repair the defective product or replace it.

This warranty does not cover, and USA Standard 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 USA Standard product). In addition, this warranty does not cover, and USA Standard shall not be liable for, any undertaking, representation, or agreements made by dealers or other third parties selling USA Standard Gear® 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-USA Standard component.

This agreement offers you specific legal rights. You may also have other rights which vary from state to state.

USA STANDARD GEAR® WARRANTY BY PRODUCT
USA Standard Product Length of Warranty (From date of sale) NOTES
SpoolAs long as original purchaser owns vehicle in which Spool is originally installed 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.
Rear Axle (1040/1050)Five (5) Years Covers parts for five years against manufacturing defects.
Front Axle (Series ZA W)Five (5) Years Five year warranty covering manufacturing defects and axle breakage. This warranty is not transferable to another party. “No Questions Asked” replacement for first warranty return, however, USA Standard Gear reserves the right to either replace axle or refund original purchase price after the first warranty claim. USA Standard Gear (through RANDYS Worldwide Automotive) makes final determination on warranty considerations.
Ring & Pinion Gear SetOne (1) YearWarrantied against manufacturing defects for one (1) year.
Positraction DifferentialOne (1) Year 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.
Spartan LockerOne (1) YearWarrantied against manufacturers defects for one (1) year.
Install KitsOne (1) Year Includes ZBK, ZPK, and ZK. Covers parts for one year against manufacturing defects.
Spider Gear Kits (ZIK)One (1) YearOne year against manufacturing defects. Exclusions apply, does not cover clutch wear in limited slip differentials.
Replacement Driveshafts (ZDS)One (1) Year Warrantied against manufacturing defects for one (1) year.

Check out these other great products