2011-2019 Duramax & 2011-2013 Cummins Master Overhaul Kit for 11.5" AAM Differential (ZK GM11.5-B)

Restore your 11.5" AAM (American Axle Manufacturing) differential with this comprehensive Master Overhaul Kit. Packed with OE‑style bearings, premium seals, and all essential hardware, it's engineered for a precise, hassle‑free rebuild and long-lasting performance in rugged, everyday and off-road conditions.

Part Number: ZK GM11.5-B

• Uses Koyo bearings and races
  
• Quantity 1
• Grade Type: Regular

Includes:

• Carrier bearings and races
• Pinion bearings and races
• Pinion seal
• Complete shim kit
• Ring gear bolts
• Pinion nut
• Crush sleeve
• Thread locker
• Marking compound with brush & gasket.

• Chrysler 11.8" / 300mm, 2013.5+ w/ 6.7L & Aisin A/T, 12 Bolt R/G
• GM 11.5", 2011 & up
• Chrysler 11.5", 2011 & up w/ Leaf Spring, 12 Bolt R/G

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