Ford F550 Differential Seal Kit - Rear - Yukon Gear & Axle - Inner Axle Seal - `99-`12. A direct-fit inner axle seal designed for Ford F450/F550 rear axles from 1999 through 2012, built to restore proper sealing and reduce leaks around the differential shaft.

This Yukon Gear & Axle seal kit uses Yukon Mighty Seal design and manufacturing techniques to deliver a precision fit that seals tight and is made to last. It replaces worn or damaged rear inner axle seals on F450 and F550 vehicles, helping prevent gear oil loss and contamination. Ideal for owners performing axle service, upgrades, or custom builds, the kit is intended as a reliable OEM-style replacement without unnecessary extras.

Features

• Direct fit for Ford F450/F550 rear inner axle — vehicles '99-`12
• Yukon Mighty Seal design for a precision, long-lasting seal
• Replaces inner axle/differential shaft seal to prevent leaks
• Packaged as a service-friendly kit for axle maintenance or upgrades

If you have questions or need help confirming fitment, call us directly — we’re happy to assist. We offer installation and customization services at our two locations in Austin, Texas and the Los Angeles, California area. 512-982-9393 (TX) | 562-981-6800 (CA). If you plan to purchase multiple items, contact us for possible shipping discounts. We install on premises at both locations.

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