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Motive Gear 3.55 Ring & Pinion Set for Ford 10.5' (99-07) Heavy-Duty 8620 Steel 12-Bolt Rear Differential Includes Inner/Outer Pinion Bearings Replaces Yukon 24331, AAM 8C3Z4209E, EXCEL F105355A

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$265.99

$ 99 .00 $99.00

In Stock

1.Size:3.55 Ratio


  • ✅ Fits Ford 10.5" Rear Differentials – Designed for 1999-2007 Ford F-250, F-350 Super Duty, and Excursion models.
  • ✅ Includes Inner & Outer Pinion Bearings – Features 10.25” late-style ring & pinion with 10.25” inner/outer pinion bearings.
  • ✅ Heavy-Duty 8620 Steel – Built for strength, longevity, and smooth operation under high-performance loads.
  • ✅ OEM Direct Replacement – Compatible with Yukon 24331, USA Standard 36272, AAM 8C3Z4209E, EXCEL F105355A.
  • ✅ 1-Year / 50,000-Mile Warranty – Backed by Motive Gear’s industry-leading warranty, ensuring reliability and performance.


Motive Gear 3.55 Ring & Pinion Set – Ford 10.5" – Fits 1999-2007 Ford F-250/F-350 Super Duty & Excursion

Upgrade your truck’s performance with the Motive Gear 3.55 Ring & Pinion Set. Engineered for **Ford 10.5" rear differentials**, this heavy-duty **12-bolt ring & pinion set** provides superior strength and durability for towing, hauling, and everyday driving.

🔹 Features & Benefits:

  • Fits Ford 10.5" Rear Differentials: Compatible with 1999-2007 Ford F-250, F-350, and Excursion.
  • 3.55 Gear Ratio: Precision-engineered for **optimal torque, fuel efficiency, and towing power**.
  • Includes Inner & Outer Pinion Bearings: Features **10.25” late-style ring & pinion with correct bearings**.
  • Premium 8620 Steel Construction: Built for superior strength, durability, and quiet operation.
  • OEM Direct Replacement: Replaces **Yukon 24331, USA Standard 36272, AAM 8C3Z4209E, EXCEL F105355A**.
  • Backed by Warranty: 1-year or 50,000-mile warranty for peace of mind.

🔹 Applications & Compatibility:

Fits the following vehicles:

  • 1999-2007 Ford F-250 Super Duty
  • 1999-2007 Ford F-350 Super Duty
  • 2000-2005 Ford Excursion
  • 2004-2007 Ford F-150 & Heritage
  • 2004-2007 Ford Lobo

🔹 Replaces For:

  • Yukon Gear and Axle: 24331
  • USA Standard Gear: 36272
  • American Axle & Manufacturing: 8C3Z4209E
  • EXCEL from Richmond: F105355A
  • Yukon Gear and Axle: YG F10.5-355-31
  • USA Standard Gear: ZG F10.5-355-31

🔹 Why Choose Motive Gear?

As a leader in differential and drivetrain components, Motive Gear offers high-performance, OEM-quality parts for off-road, towing, and daily driving.