Ford 10.25" Crush Sleeve

The Ford 10.25" crush sleeve (also called a collapsible spacer or pinion preload sleeve) is an essential single-use component for establishing correct pinion bearing preload during differential regears, rebuilds, pinion seal replacements, or yoke changes on the Ford 10.25" axle. It compresses precisely when the pinion nut is torqued, delivering consistent preload to ensure proper gear contact, quieter operation, and extended differential life.

Common in Ford F-250 and F-350 trucks (typically 1985-1997 models, plus some later heavy-duty applications), this crush sleeve should always be replaced whenever the pinion assembly is disturbed to avoid preload issues or gear wear. Offered as a standalone replacement or in installation kits, it's a straightforward upgrade for towing, work truck, or performance builds.