Differential Ring & Pinion EXCEL F105373A For Ford 10.5" Gear Ratio 3.73, 12-Bolt 31 Spline 11 Pinion & 41 Ring Teeth – Fits Ford F-250/F-350 Super Duty, Excursion Replaces Motive Gear F10.5-373PK

More about this item : Differential Ring & Pinion EXCEL F105373A For Ford 10.5" Gear Ratio 3.73, 12-Bolt 31 Spline 11 Pinion & 41 Ring Teeth – Fits Ford F-250/F-350 Super Duty, Excursion Replaces Motive Gear F10.5-373PK

Short Summary: The EXCEL F10.5-373A Ring and Pinion Set features a 3.73 gear ratio for Ford 10.5" rear axles.

Designed for use in Super Duty trucks and Excursion models from 1999 to 2007, this gear set includes inner and outer pinion bearings and is made from high-quality 8620 steel.

Key Features Application: Ford 10.5" Rear Differentials Gear Ratio: 3.73 Pinion Teeth: 11 | Ring Teeth: 41 Pinion Shaft Diameter: 1.94" Pinion Spline Count: 31 Ring Gear Outside Diameter: 10.5" Ring Gear Bolt Count: 12 Rotation: Standard Material: 8620 Steel Includes: Inner and Outer Pinion Bearings Only Installation Note: Use Ford 10.25" Installation Kits Only Warranty: 1 Year or 50,000 Miles Vehicle Compatibility Ford 2000–2005 Excursion 2004–2007 F-150 2004 F-150 Heritage 1999–2006 F-250 / F-250 Super Duty 1999–2006 F-350 / F-350 Super Duty 2004–2007 Lobo Replaces OEM & Aftermarket Part Numbers Motive Gear: F10.5-373PK Warranty & Quality Assurance EXCEL from Richmond is built for installers and performance-minded drivers seeking OE quality with long-term durability.

Backed by a 1-year or 50,000-mile warranty, this 3.73 Ford 10.5" ring and pinion set is ideal for Ford Super Duty applications requiring rugged performance and precise fitment.