For use with GM and Chevy Axles

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 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


Application Chart:

Ring and Pinion Repair and Installation Kits application chart.

Differential Repair & Installation Kits

 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
 8.2″ 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.