Ford 10.5" Pinion Nut Washer - Yukon Gear & Axle - ‘07-‘10. This genuine Yukon pinion nut washer is a straightforward replacement part designed for the 2007–2010 Ford 10.5" rear differential to help maintain correct pinion nut seating and preload retention.

Yukon Gear & Axle produces a full line of small parts for differential service, and this pinion nut washer is made to the specifications needed for reliable fitment in affected Ford 10.5" housings. It replaces the factory washer that supports the pinion nut, ensuring consistent torque transfer and maintaining proper gear preload when installing or reassembling a differential. The washer is compact, easy to install, and is intended for technicians and DIY enthusiasts who want accurate, serviceable components for rebuilds and upgrades.

Features

• Direct-fit replacement for 2007–2010 Ford 10.5" rear differentials
• Manufactured by Yukon Gear & Axle to OEM-style specifications
• Compact, durable construction for reliable pinion nut seating
• Ideal for rebuilds, repairs, and axle service where correct preload matters

This washer is a small but essential part of a differential rebuild or repair; using the correct washer helps preserve bearing preload and torque settings after installation. It’s a practical choice for enthusiasts swapping gears, replacing bearings, or refreshing a rear end where correct pinion nut seating is required. Because it’s a single replacement component, it’s suited for both professional shops and knowledgeable home mechanics.

If you have questions or need assistance choosing the right parts for your build, call us directly — we’re happy to help. We have two locations where we offer installation and customization services: Austin, Texas and the Los Angeles, California area. Call 512-982-9393 (TX) or 562-981-6800 (CA) for parts, service appointments, or technical advice.

If you’re thinking about purchasing multiple items, contact us for shipping discounts. We install on premises at both locations.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov