Differential Repair & Installation Kits | AMC & Chrysler/AAM

Differential Repair Kits AMC AAM Chrysler

Differential Repair, Rebuild and Installation Kits for AMC and AAM / Chrysler Axles 

Differential Repair and Installation Kits from Sierra Gear and Axle are the most complete in the industry. We assemble each kit using only the highest quality components. Each of our kits are designed to ensure a trouble-free installation and long lasting performance. Several different kits are available for each application, each tailored for the type of differential repair being performed. Whether you’re doing a complete differential repair, differential gear ratio change, budget rebuild or pinion bearing replacement, we have got the ideal kit for you.

Differential Kit contents and a description of each kit type is located at the bottom of this page, below the application chart

Axle Bearing and Seal Kits can be found HERE

Differential Repair & Installation Kits

 AMC Model 20  Master Kit  Bearing Kit  Pinion Kit  Mini Kit
 MODEL 20  IK M20  BK M20  PK M20  MK M20
 AMC Model 35  Master Kit  Bearing Kit  Pinion Kit  Mini Kit
 MODEL 35  IK M35  BK M35  PK M35  MK M35
 MODEL 35 – WJ  IK M35WJ  BK M35  PK M35  MK M35WJ
 MODEL 35 – 30 Spline  IK SUPERM35  BK SUPERM35  PK M35  MK M35
 Chrysler 7.25″  Master Kit  Bearing Kit  Pinion Kit  Mini Kit
 7.25″  IK C7.25  BK C7.25  PK C7.25  MK C7.25
 Chrysler 8″  Master Kit  Bearing Kit  Pinion Kit  Mini Kit
 8″ IFS 1/2 Ton – ’03 & Up  IK C8  BK C8  PK C8  MK C8
 8″ IFS 1/4 Ton – ’00-’03  IK C8B  BK C8B  PK C8B  MK C8B
 8″ IFS 1/4 Ton – ’04 & Up  IK C8C  BK C8B  PK C8C  MK C8C
 8″ IFS ’05 & Up WK(Grand Cherokee) & XK (Commander)  IK C8WJ  BK C8WJ  PK C8WJ  MK C8WJ
 Chrysler 8.25″  Master Kit  Bearing Kit  Pinion Kit  Mini Kit
 8.25″ – ’70-’75  IK C8.25  BK C8.25  PK C8.25  MK C8.25
 8.25″ – ’76 & Up  IK C8.25B  BK C8.25B  PK C8.25B  MK C8.25
 8.25″ – ’05 & Up WK (Grand Cherokee)  IK C8.25 WK  BK C8.25WK  PK C8.25WK  MK C8.25WK
 Chrysler 8.75″  Master Kit  Bearing Kit  Pinion Kit  Mini Kit
 8.75″ 741 Case LM104949  IK C8.75  BK C8.75  MK C8.75AD
 8.75″ 742 Case LM104949  IK C8.75B  BK C8.75B  PKC8.75B  MK C8.75BE
 8.75″ 489 Case LM104949  IK C8.75C  BK C8.75C  PK C8.75C  MK C8.75CF
 8.75″ 741 Case 25590  IK C8.75D  BK C8.75D  MK C8.75AD
 8.75″ 742 Case 25590  IK C8.75E  BK C8.75E  PKC8.75B  MK C8.75BE
 8.75″ 489 Case 25590  IK C8.75F  BK C8.75F  PK C8.75C  MK C8.75BF
 AAM / Chrysler 9.25″  Master Kit  Bearing Kit  Pinion Kit  Mini Kit
 9.25″  IK C9.25  BKC9.25  PK C9.25  MK C9.25
 AAM 9.25″ Front  IK C9.25F  BK C9.25F  PK C9.25F  MK C9.25F
 AAM / Chrysler 10.5″  Master Kit  Bearing Kit  Pinion Kit  Mini Kit
 10.5″  IK C10.5  BK C10.5  PK C10.5  MK C10.5
 Chrysler 11.5″  Master Kit  Bearing Kit  Pinion Kit  Mini Kit
 11.5″  IK A11.5  BK A11.5  PK A11.5  MK A11.5

Differential Repair Kit Ring Pinion DealersFind the install kit you need? Locate a Sierra Gear & Axle Distributor near you, or call (800) 792-2714

Differential Repair Kit ContentsSierra Gear differential rebuild kits are typically assembled with OEM Components, including Timken or Koyo Bearings and National or Spicer Seals.

Master Rebuild Kit (IK) – Our most complete Differential Rebuild Kit.

  • Pinion and Carrier Bearings
  • Pinion Seal
  • Pinion Shims (where applicable)
  • Pinion Nut
  • Crush Sleeve or Depth Shims (where applicable)
  • Ring Gear Bolts (most applications)
  • O-Ring (where applicable)
  • Gear Marking Compound & Brush
  • Loctite
  • Cover Gasket or Silicone
  • Carrier Super Shims (where applicable)
  • Slingers & Baffle (where applicable)
  • Installation Instructions

Bearing Rebuild Kit (BK) – Rebuild kit for installers that already have shims and small parts.

  • Pinion and Carrier Bearings
  • Pinion Seal
  • O-Ring (where applicable)
  • Pinion Nut
  • Crush Sleeve or Depth Shims (where applicable)

Pinion Rebuild Kit (PK) – Ideal for low mileage ring & pinion gear ratio changes with no carrier change.

  • Pinion Bearings
  • Pinion Seal
  • Pinion Shims (where applicable)
  • Crush Sleeve or Depth Shims (where applicable)
  • O-Ring (where applicable)
  • Gear Marking Compound & Brush

Mini Rebuild Kit (MK) – For low mileage vehicles doing ring & pinion gear ratio changes.

  • Pinion Seal
  • Pinion Shims (where applicable)
  • Crush Sleeve or Depth Shims (where applicable)
  • Ring Gear Bolts (most applications)
  • O-Ring (where applicable)
  • Gear Marking Compound & Brush
  • Loctite
  • Carrier Super Shims (where applicable)
  • Installation Instructions

Axle Kit (AK) – Axle Bearing/Wheel Bearing and Seal Kits

  • Axle Bearings
  • Axle Seals
  • Bearing Retainers (where applicable)