GM8.6BK Differential

GM8.6BK Differential Bearing Kit for 1999-2008 GM 10 Bolt 8.6" Rear Axle

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We make our own kits with only the highest quality components available. We use only premium bearing manufacturers such as NTN, Koyo and Timken and every component is sourced to fit right for your application. NO CHINESE PARTS USED IN OUR KITS.

Fits: 1999-2008 GM 1500 Trucks and Vans (Silverado, Sierra, Yukon, Tahoe, Suburban, Express and Savana) w/ 10 Bolt Rear Axle and 6-Lugs. 


  • Pinion Inner Bearing w/ Race
  • Pinion Outer Bearing w/ Race
  • Carrier L & R Bearings w/ Races
  • Pinion Seal
  • Pinion Nut
  • Crush Sleeve
  • Cover Sealant 

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