Differential Ring and Pinion (12 Bolt)

146450
1270
146451
146452
146453

F975489 Application Notes

Warranty

1 Year or 50,000 Miles

F975489 Specifications

App Model Ford 9.75
Cover Bolt Quantity 12
Differential Case Design Type Ford 9.75
Gear Ratio 4.89
Pinion Gear Tooth Quantity 9
Pinion Shaft Diameter 1.97 (Inch)
Pinion Spline Count 31
Ring Gear Bolt Quantity 12
Ring Gear Material 8620 Steel
Ring Gear Outside Diameter 9.75 (Inch)
Ring Gear Rotation Standard
Ring Gear Tooth Quantity 44
Taxonomy A LD Differential, LD Differential, LD Differential
Taxonomy B Ring and Pinion, Ring and Pinion, Ring and Pinion
Taxonomy C Rear, Rear, Rear
Taxonomy D 4.89, 4.89, 4.89
Where to buy

Vehicle Applications

  • 1997 Chevrolet Avondale

    Application notes:

    • For Ford 9.75" (12 Bolt)
    • 4.89 Ratio
    • 1997-1999.5 Models Require Additional Spacer For Pinion Bearing Preload
  • 2003 – 2010 Ford E-150

    Application notes:

    • For Ford 9.75" (12 Bolt)
    • 4.89 Ratio
  • 2011 – 2014 Ford E-150

    Application notes:

    • For Ford 9.75" (12 Bolt)
    • 4.89 Ratio
    • 2011+ Requires Conversion Bearing Kit
  • 2003 – 2005 Ford E-150 Club Wagon

    Application notes:

    • For Ford 9.75" (12 Bolt)
    • 4.89 Ratio
  • 1997 – 1999 Ford E-150 Econoline

    Application notes:

    • For Ford 9.75" (12 Bolt)
    • 4.89 Ratio
    • 1997-1999.5 Models Require Additional Spacer For Pinion Bearing Preload
  • 2000 – 2002 Ford E-150 Econoline

    Application notes:

    • For Ford 9.75" (12 Bolt)
    • 4.89 Ratio
  • 1997 – 1999 Ford E-150 Econoline Club Wagon

    Application notes:

    • For Ford 9.75" (12 Bolt)
    • 4.89 Ratio
    • 1997-1999.5 Models Require Additional Spacer For Pinion Bearing Preload
  • 2000 – 2002 Ford E-150 Econoline Club Wagon

    Application notes:

    • For Ford 9.75" (12 Bolt)
    • 4.89 Ratio
  • 1997 – 1999 Ford E-250 Econoline

    Application notes:

    • For Ford 9.75" (12 Bolt)
    • 4.89 Ratio
    • 1997-1999.5 Models Require Additional Spacer For Pinion Bearing Preload
  • 2000 – 2002 Ford E-250 Econoline

    Application notes:

    • For Ford 9.75" (12 Bolt)
    • 4.89 Ratio
  • 1997 – 1999 Ford Expedition

    Application notes:

    • For Ford 9.75" (12 Bolt)
    • 4.89 Ratio
    • 1997-1999.5 Models Require Additional Spacer For Pinion Bearing Preload
  • 2000 – 2010 Ford Expedition

    Application notes:

    • For Ford 9.75" (12 Bolt)
    • 4.89 Ratio
  • 2011 – 2018 Ford Expedition

    Application notes:

    • For Ford 9.75" (12 Bolt)
    • 4.89 Ratio
    • 2011+ Requires Conversion Bearing Kit
  • 1997 – 1999 Ford F-150

    Application notes:

    • For Ford 9.75" (12 Bolt)
    • 4.89 Ratio
    • 1997-1999.5 Models Require Additional Spacer For Pinion Bearing Preload
  • 2000 – 2010 Ford F-150

    Application notes:

    • For Ford 9.75" (12 Bolt)
    • 4.89 Ratio
  • 2011 – 2018 Ford F-150

    Application notes:

    • For Ford 9.75" (12 Bolt)
    • 4.89 Ratio
    • 2011+ Requires Conversion Bearing Kit
  • 2004 Ford F-150 Heritage

    Application notes:

    • For Ford 9.75" (12 Bolt)
    • 4.89 Ratio
  • 2011 – 2013 Ford Lobo

    Application notes:

    • For Ford 9.75" (12 Bolt)
    • 4.89 Ratio
    • 2011+ Requires Conversion Bearing Kit
  • 2015 – 2018 Ford Transit-150

    Application notes:

    • For Ford 9.75" (12 Bolt)
    • 4.89 Ratio
    • 2011+ Requires Conversion Bearing Kit
  • 2015 – 2018 Ford Transit-250

    Application notes:

    • For Ford 9.75" (12 Bolt)
    • 4.89 Ratio
    • 2011+ Requires Conversion Bearing Kit
  • 2015 – 2018 Ford Transit-350

    Application notes:

    • For Ford 9.75" (12 Bolt)
    • 4.89 Ratio
    • 2011+ Requires Conversion Bearing Kit
  • 2015 – 2018 Ford Transit-350 HD

    Application notes:

    • For Ford 9.75" (12 Bolt)
    • 4.89 Ratio
    • 2011+ Requires Conversion Bearing Kit
  • 2002 – 2003 Lincoln Blackwood

    Application notes:

    • For Ford 9.75" (12 Bolt)
    • 4.89 Ratio
  • 1998 – 1999 Lincoln Navigator

    Application notes:

    • For Ford 9.75" (12 Bolt)
    • 4.89 Ratio
    • 1997-1999.5 Models Require Additional Spacer For Pinion Bearing Preload
  • 2000 – 2010 Lincoln Navigator

    Application notes:

    • For Ford 9.75" (12 Bolt)
    • 4.89 Ratio
  • 2011 – 2018 Lincoln Navigator

    Application notes:

    • For Ford 9.75" (12 Bolt)
    • 4.89 Ratio
    • 2011+ Requires Conversion Bearing Kit
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