Motive 3.21 Gears, 9.25" Rear

by Motive Gear

Product #: C9.25-321

3.21 Ratio Motive Gear - Differential Ring and Pinion for 9.25 in (12 Bolt)

Application notes:

  • Chrysler 9.25" (12 Bolt)
  • 3.21 Ratio

Motive Gear stock performance ring and pinions are excellent replacements for OE. Experienced installers prefer our ring and pinions for easy setup, superior strength, quality, and our vast ratio selection. Motive Gear produces the industry’s widest range of OEM replacement ring and pinions. Engineered to the highest standards, every Motive Gear product goes through rigid quality control processes in our in-house lab. In combination with Motive Gear’s performance and axle divisions: Motive Gear Performance and TEN Factory, there simply isn’t a better value in drivetrain components.

Installation Instructions

Vehicle Applications

  • 1998 – 2009 Dodge Durango
  • 1994 – 2010 Dodge Ram 1500


Cover Bolt Quantity 12
Differential Case Design Type Chrysler 9.25
Pinion Gear Tooth Quantity 14
Pinion Shaft Diameter 1.876 in
Pinion Spline Count 29
Ring & Pinion Gear Ratio 3.21
Ring Gear Bolt Quantity 12
Ring Gear Diameter 9.25 in
Ring Gear Material 8620 Steel
Ring Gear Rotation Standard
Ring Gear Tooth Quantity 45
Warranty Time 1 Year or 50,000 Miles

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