Differential Rebuild Kits – Bearings, Seals & Shims

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Diff Rebuild Kits

Whether you're resetting gear mesh or replacing worn carrier and pinion bearings, a diff rebuild kit bundles the critical wear items in one package. These kits supply the bearings, races, seals, shims, and hardware needed to restore proper preload, backlash, and tooth contact pattern—eliminating gear whine, clunks, and premature wear.

Kits vary by axle type and differential design. Common components include:

Carrier and pinion bearings with matching races
Pinion seal and O-rings
Crush sleeve or solid pinion spacer
Carrier shims, pinion depth shims, and a marking compound packet
Ring gear bolts and thread locking compound
Gaskets or RTV sealant for the cover

When selecting a kit, confirm your ring gear diameter, axle spline count, and carrier series. Some kits are specific to open carriers, while others cover limited-slip or locking differentials. A complete bearing and seal kit helps you get the axle back together with factory-spec preloads and leak-free sealing.

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Diff Rebuild Kits

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