Brand: EXCEL from RichmondRP EXCEL FORD 9.75" 4.89App/Model: Ford 9.75California Proposition 65: Cancer and Reproductive Harm - www.P65Warnings.ca.govCover Bolt Quantity: 12Differential Model: Ford 9.75Gear Ratio: 4.89Pinion Gear Tooth Quantity: 9Pinion Shaft Diameter: 1.97 InchPinion Spline Count: 31Ring Gear Bolt Quantity: 12Ring Gear Material: 8620 SteelRing Gear Outside Diameter: 9.75 InchRing Gear Rotation: StandardRing Gear Tooth Quantity: 44Taxonomy A: LD DifferentialTaxonomy B: Ring and PinionTaxonomy C: RearTaxonomy D: 4.89Installation InstructionsWarranty Period: 1 Year or 50,000 MilesReplaces: USA Standard Gear: 36159 Motive Gear: F9.75-489 USA Standard Gear: ZG F9.75-488 Applications: 2003-2009 Ford E-150 For Ford 9.75" (12 Bolt); 4.89 Ratio 2003-2005 Ford E-150 Club Wagon For Ford 9.75" (12 Bolt); 4.89 Ratio 1997-1999 Ford E-150 Econoline 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 For Ford 9.75" (12 Bolt); 4.89 Ratio 1997-1999 Ford E-150 Econoline Club Wagon 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 For Ford 9.75" (12 Bolt); 4.89 Ratio 1997-1999 Ford E-250 Econoline 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 For Ford 9.75" (12 Bolt); 4.89 Ratio 1997-1999 Ford Expedition For Ford 9.75" (12 Bolt); 4.89 Ratio; 1997-1999.5 Models Require Additional Spacer For Pinion Bearing Preload 2000-2009 Ford Expedition For Ford 9.75" (12 Bolt); 4.89 Ratio 1997-1999 Ford F-150 For Ford 9.75" (12 Bolt); 4.89 Ratio; 1997-1999.5 Models Require Additional Spacer For Pinion Bearing Preload 2000-2009 Ford F-150 For Ford 9.75" (12 Bolt); 4.89 Ratio 2004-2004 Ford F-150 Heritage For Ford 9.75" (12 Bolt); 4.89 Ratio 2002-2003 Lincoln Blackwood For Ford 9.75" (12 Bolt); 4.89 Ratio 1998-1999 Lincoln Navigator For Ford 9.75" (12 Bolt); 4.89 Ratio; 1997-1999.5 Models Require Additional Spacer For Pinion Bearing Preload 2000-2009 Lincoln Navigator For Ford 9.75" (12 Bolt); 4.89 Ratio