Differential Repair, Rebuild and Installation Kits for GM and Chevy 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
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
Application Chart:
Ring and Pinion Repair and Installation Kits application chart.
Differential Repair & Installation Kits |
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| GM Application: | Master Kit | Bearing Kit | Pinion Kit | Mini Kit |
| ’55 Truck / Passenger | IK GM55 | BK GM55 | PK GM55 | MK GM55 |
| ’63-’79 Corvette | IK VET | BK VET | PK VET | MK VET |
| ’97-’05 C5 Vette Getrag | BK VETGR | |||
| 7.25″ GM IFS | IK GM7.25 | BK GM7.25 | PK GM7.25 | MK GM7.25 |
| 7.25″ GM ’03 & Up | IK GM7.25B | BK GM7.25B | ||
| 7.25″ GM Trailblazer SS | IK GM7.25C | BK GM7.25C | ||
| 7.5″ ’81 & Down | IK GM7.5 | BK GM7.5 | PK GM7.5 | MK GM7.5 |
| 7.5″ GM ’82 – ’02 | IK GM7.5B | BK GM7.5B | PK GM7.5B | MK GM7.5B |
| 7.6″ GM ’00 & Up Rear, H3 Front | IK GM7.6 | BK GM7.6 | PK GM7.6 | MK GM7.6 |
| 7.6″ Camaro V6 | IK GM7.6 | BK GM7.6 | PK GM7.6 | MK GM7.6 |
| 7.75″ Borg Warner | IK GM7.75 | BK GM7.75 | PK GM7.75 | |
| 8″ | IK GM8 | BK GM8 | PK GM8 | MK GM8 |
| 8″ GTO | IK GTO | BK GTO | PK GTO | MK GTO |
| 8.2″ | IK GM8.2 | BK GM8.2 | PK GM8.2 | MK GM8.2 |
| 8.2″ BOP | IK BP8.2 | BK BP8.2 | PK BP8.2 | MK BP8.2 |
| 8.25″ IFS | IK GM8.25 | BK GM8.25 | PK GM8.25 | MK GM8.25 |
| 8.5″ Rear ’95 & Down | IK GM8.5 | BK GM8.5 | PK GM8.5 | MK GM8.5 |
| 8.5″ Front ’88 & Down | IK GM8.5F | BK GM8.5F | PK GM8.5F | MK GM8.5F |
| 8.5″ TrueTrac, Detroit, AG Pro ’95 & Down | IK GM8.5E | BK GM8.5E | PK GM8.5E | MK GM8.5E |
| 8.6″ LM501349 ’98-’99 | IK GM8.6 | BK GM8.6 | PK GM8.6 | MK GM8.6 |
| 8.6″ ’96-’99 Eaton, AG Pro, Detroit, TT | IK GM8.6E | BK GM8.6E | PK GM8.6 | MK GM8.6 |
| 8.6″ ’99-’08 LM603049 | IK GM8.6B | BK GM8.6B | PK GM8.6B | MK GM8.6B |
| 8.6″ ’09 & Up | IK GM8.6C | BK GM8.6C | PK GM8.6C | MK GM8.6C |
| 8.6″ Camaro V8 | IK GM8.6CAM | BK GM8.6CAM | PK GM8.6CAM | MK GM8.6CAM |
| 8.75″ 12B R/G 10B Cover | IK GM8.75 | BK GM8.75 | ||
| 8.875″ 10B | IK GM8.875 | BK GM8.875 | ||
| 12 Bolt Passenger | IK GM12P | BK GM12P | PK GM12P | MK GM12P |
| 12 Bolt Truck | IK GM12T | BK GM12T | PK GM12T | MK GM12T |
| 9.25″ IFS | IK GM9.25 | BK GM9.25 | PK GM9.25 | MK GM9.25 |
| 9.5″ ’95 & Down | IK GM9.5 | BK GM9.5 | PK GM9.5 | MK GM9.5 |
| 9.5″ ’96 – ’13 | IK GM9.5B | BK GM9.5B | PK GM9.5B | MK GM9.5B |
| 9.5″ ’14 & Up | BK GM9.5C | |||
| 10.5″ ’88 & Down | IK GM10.5 | BK GM10.5 | PK GM10.5 | MK GM10.5 |
| 10.5″ ’88-’95 | IK GM10.5B | BK GM10.5B | PK GM10.5B | MK GM10.5B |
| 10.5″ ’96 & Up | IK GM10.5C | BK GM10.5C | PK GM10.5C | MK GM10.5C |
| 11.5″ | IK GM11.5 | BK A11.5 | PK A11.5 | MK A11.5 |
| HO72 w/o Load Bolt | IK GMHO72 | BK GMHO72 | PK GMHO72 | |
| HO72 w/ Load Bolt | IK GMHO72B | BK GMHO72B | PK GMHO72B | |
Find a Dealer
Find the application and ratio you need? Locate a Sierra Gear & Axle Distributor near you.
Gear Calculator
Doing a gear ratio change but not sure what you want? Try our Differential Gear Calculator.