4.89 Ratio Differential Ring and Pinion for 9.75 (Inch) (12 Bolt)

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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.

F9.75-489 Application Notes

  • For Ford 9.75" (12 Bolt)
  • 4.89 Ratio

Warranty

1 Year or 50,000 Miles

F9.75-489 Specifications

Cover Bolt Quantity 12
Differential Case Design Type Ford 9.75
Pinion Gear Tooth Quantity 8
Pinion Shaft Diameter 1.97 (Inch)
Pinion Spline Count 31
Ring & Pinion Gear Ratio 4.89
Ring Gear Bolt Quantity 12
Ring Gear Diameter 9.75 (Inch)
Ring Gear Material 8620 Steel
Ring Gear Rotation Standard
Ring Gear Tooth Quantity 39
Taxonomy A LD Differential, LD Differential, LD Differential, LD Differential, LD Differential
Taxonomy B Ring and Pinion, Ring and Pinion, Ring and Pinion, Ring and Pinion, Ring and Pinion
Taxonomy C Ford 9.75, Ford 9.75, Ford 9.75, Ford 9.75, Ford 9.75
Taxonomy D Rear, Rear, Rear, Rear, Rear
Where to buy

Vehicle Applications

  • 1997 Chevrolet Avondale
  • 2003 – 2010 Ford E-150
  • 2003 – 2005 Ford E-150 Club Wagon
  • 1997 – 2002 Ford E-150 Econoline
  • 1997 – 2002 Ford E-150 Econoline Club Wagon
  • 1997 – 2002 Ford E-250 Econoline
  • 1997 – 2010 Ford Expedition
  • 1997 – 2010 Ford F-150
  • 2004 Ford F-150 Heritage
  • 2002 – 2003 Lincoln Blackwood
  • 1998 – 2010 Lincoln Navigator
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov