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USA Standard Master Overhaul Bearing & Seal Kit for 11.5" AAM GM & Dodge 2011 & Up

ZK GM11.5-B - Z
2011 and UP GM and Dodge AAM 11.5 Rear Axles
Pricing: $555.89

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This master rear differential bearing and service kit is the most simple and complete option for repairing your AAM 11.5. We recommend this kit during any gear swap or installation of a locker/traction device. This kit uses Koyo bearings and races and is for 2011 and UP GM & Dodge AAM 11.5 14 bolt rear axles.


  • carrier bearings and races
  • pinion bearings and races
  • pinion seal
  • complete shim kit
  • ring gear bolts
  • pinion nut
  • crush sleeve (if applicable)
  • oil baffles and slingers (if applicable)
  • threading locking compound
  • marking compound with brush
  • gasket


2011-2019 GM/Duramax

2011-2018 Dodge/Cummins

1 year warranty against Manufacturer defects

Technical Notes: In mid 2011 the design for the pinion bearing changed. The early design had a rear pinion race O.D. of 4.125". The later design has an O.D. of 4.375". This kit is the 4.375" design.




Shipping Information

  • Item Requires Shipping
  • 11.4 lbs.
  • W13.0000” x H3.0000” x L12.0000”
  • Free Shipping

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