3.21 Ratio Differential Ring and Pinion for 8.89 (Inch) (10 Bolt)


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.

D44-321JK Application Notes

  • For Dana 44
  • For JK
  • 3.21 Ratio
  • 3.73 Ratio Carrier and Lower
  • 2007 Model Carriers Need To Be Drilled For 1/2" Ring Gear Bolts


1 Year or 50,000 Miles

D44-321JK Specifications

Cover Bolt Quantity 10
Differential Carrier Break 3.73 and Lower
Differential Case Design Type Dana 44
Pinion Gear Tooth Quantity 14
Pinion Shaft Diameter 1.626 (Inch)
Pinion Spline Count 24
Ring & Pinion Gear Ratio 3.21
Ring Gear Bolt Quantity 10
Ring Gear Diameter 8.89 (Inch)
Ring Gear Material 8620 Steel
Ring Gear Rotation Standard
Ring Gear Tooth Quantity 45
Taxonomy A Differential LD
Taxonomy B Ring and Pinion
Taxonomy C Dana 44 JK
Taxonomy D Rear
Where to buy

Vehicle Applications

  • 2007 – 2018 Jeep Wrangler
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