Yukon Gear & Axle ZG F10.5-373-31 Ring and Pinion Gear Set 3.73 Ratio Ford 10.5"

The Yukon Gear & Axle ZG F10.5-373-31 is a USA Standard ring and pinion gear set designed specifically for Ford 10.5-inch rear differentials in a 3.73 gear ratio. This gear set is engineered to meet or exceed OEM specifications, making it an ideal choice for stock replacement or performance upgrades on 2010 and earlier Ford Super Duty trucks.

Key Features:

• 3.73:1 gear ratio for balanced acceleration and fuel economy
• Designed for Ford 10.5-inch Sterling rear axles
• Exceeds OEM specifications for durability and performance
• Rigorous quality control testing including dimensional, material, and fitment verification
• Precision-machined ring and pinion gears for quiet operation
• Heat-treated steel construction for long service life

This gear set provides the foundation for a reliable differential rebuild or gear ratio change. The 3.73 ratio offers an excellent balance between towing capability and highway cruising efficiency, making it one of the most popular ratios for full-size trucks. Each USA Standard Gear set undergoes comprehensive in-house quality evaluation to ensure proper fit and long-lasting performance.

Note: Professional installation recommended. Requires master installation kit (sold separately) including bearings, seals, shims, and pinion nut for proper setup.