Collection: Differential Internal Components

Keep your differential working properly with internal components designed for repairs, rebuilds, gear changes, and performance upgrades. Shop differential cross shafts, crush sleeves, pinion nuts, carrier and pinion shims, spider gears, ring gear fasteners, and differential cover plugs for cars, trucks, Jeeps, race vehicles, and off-road builds. Whether you are refreshing a factory rear end, installing new ring and pinion gears, rebuilding an axle, or assembling a competition drivetrain, find the differential hardware and internal parts needed to complete the job.