Yukon Gear Pinion Seal For 10.25in Ford - Black Ops Auto Works
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Yukon Gear Pinion Seal For 10.25in Ford

YUKYMS4278
883584300694
Differential Seal Kits
20+ Units In Stock - Ships Next Business Day
$ 20.89
$ 20.89

SKU: YMS4278 / UPC: 883584300694

Yukon Gear YMS4278 Pinion Seal For 10.25in Ford

The Yukon Gear YMS4278 pinion seal delivers dependable sealing for Ford 9.75-inch and 10.25-inch rear differentials found in E-Series vans, F-Series trucks, Expeditions, and Excursions from 1985 to 2012. This Mighty Seal uses cutting-edge manufacturing to hold gear oil securely and resist leaks over extended use. Vehicle owners trust it for straightforward replacement that maintains drivetrain integrity during off-road adventures or daily driving.

Key Features

  • Precise Fitment – Matches Ford Sterling 9.75in and 10.25in axles in numerous models for direct installation without modifications.
  • Fluid Retention – Advanced materials and design prevent gear oil leaks ensuring consistent lubrication.
  • Durability – Engineered for long-term performance under high-heat and high-pressure conditions.
  • Quality Construction – Rubber seal with reinforced casing resists wear and cracking.
  • Easy Installation – Drop-in replacement saves time during differential service.
  • Proven Reliability – Backed by Yukon Gear engineering for demanding applications.

Specifications

Detail Value
Brand Yukon Gear & Axle
Type Pinion Seal
Compatibility Ford 9.75in / 10.25in Sterling Differentials
MPN YMS4278
UPC 883584300694
Weight 0.05 lbs
Shipping Dimensions 3.74 x 3.74 x 1.1 inches
Country of Origin Taiwan
Warranty Limited Lifetime

Whats Included

  • 1 x Yukon Gear Pinion Seal YMS4278

Product Notes

  • Confirm axle size before purchase using vehicle specifics.
  • Replace crush sleeve if damaged during pinion service.
  • Use proper seal driver tool for installation to avoid damage.

This Part Fits

Year Range Make Model Notes
2003-2010 Ford E-150 Base
2006-2007 Ford E-150 Chateau
2006-2010 Ford E-150 XL
2006-2010 Ford E-150 XLT
1999-2002 Ford E-150 Econoline Base
1999-2000 Ford E-150 Econoline XL
2003-2005 Ford E-350 Club Wagon Chateau
2003-2005 Ford E-350 Club Wagon XL
2003-2005 Ford E-350 Club Wagon XLT
1985-1986,1992-1998 Ford E-350 Econoline Base
1987-1991 Ford E-350 Econoline Custom
1985-1998 Ford E-350 Econoline XL
1985-1986 Ford E-350 Econoline Club Wagon Base
1992-2002 Ford E-350 Econoline Club Wagon Chateau
1992-1996 Ford E-350 Econoline Club Wagon Chateau HD
1987-2000 Ford E-350 Econoline Club Wagon Custom
1992-1993 Ford E-350 Econoline Club Wagon Custom HD
1985-1991,2001-2002 Ford E-350 Econoline Club Wagon XL
1994-1998 F

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