4.56 Ratio Richmond - Street Gear Differential Ring and Pinion for 8.8 in (10 Bolt)

Richmond Gear ring and pinions are perfect for any vehicle where performance and durability matters. Made from first-run steel, never recycled material, Richmond ring and pinions handle the extreme torque from high horsepower engines. Extensive engineering, computer controlled heat treatment, superior strength, quality and the widest selection of racing gear ratios available, make Richmond Gear the clear winner! Winners Run Richmond!

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Part number: 69-0312-1

4.56 Ratio Richmond - Street Gear Differential Ring and Pinion for 8.8 in (10 Bolt)

Application notes:

  • For Ford 8.8" (10 Bolt)
  • 4.56 Ratio
  • Requires Notched Cross Pin 80-0273-1 (3/4") or 80-0279-1 (7/8") For Ring Gear Clearance
Where to buy

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Buying Guide

Search year, make and model to find applications for your vehicle.

Richmond Gear Buying Guide

Specifications

Cover Bolt Quantity 10
Differential Case Design Type Ford 8.8
Pinion Gear Tooth Quantity 9
Pinion Shaft Diameter 1.626 in
Pinion Spline Count 30
Ring & Pinion Gear Ratio 4.56
Ring Gear Bolt Quantity 10
Ring Gear Diameter 8.8 in
Ring Gear Material 8620 Steel
Ring Gear Rotation Standard
Ring Gear Tooth Quantity 41
Title Differential Ring and Pinion
Warranty Time 2 Years or 100,000 Miles

Interchange

This item is equivalent to:

American Axle & Manufacturing 3L1Z4209AG
American Axle & Manufacturing 8L5Z4209D
Ford M-4209-88456
Ford M-4209-G456

Vehicle Applications

  • 1990 – 1997 Ford Aerostar
  • 1983 – 1996 Ford Bronco
  • 1992 – 2010 Ford Crown Victoria
  • 1983 Ford E-100 Econoline
  • 1983 Ford E-100 Econoline Club Wagon
  • 2003 – 2006 Ford E-150
  • 2003 – 2005 Ford E-150 Club Wagon
  • 1983 – 2002 Ford E-150 Econoline
  • 1983 – 2002 Ford E-150 Econoline Club Wagon
  • 1983 – 1988 Ford E-250 Econoline
  • 1983 – 1988 Ford E-250 Econoline Club Wagon
  • 1997 – 2015 Ford Expedition
  • 1991 – 2015 Ford Explorer
  • 2001 – 2005 Ford Explorer Sport Trac
  • 2007 – 2010 Ford Explorer Sport Trac
  • 1983 – 2014 Ford F-150
  • 2004 Ford F-150 Heritage
  • 1983 – 1992 Ford F-250
  • 1979 – 1986 Ford LTD
  • 1987 – 1991 Ford LTD Crown Victoria
  • 1986 – 2014 Ford Mustang
  • 1985 – 2011 Ford Ranger
  • 1987 – 1997 Ford Thunderbird
  • 2003 – 2005 Lincoln Aviator
  • 1984 – 1992 Lincoln Mark VII
  • 1993 – 1998 Lincoln Mark VIII
  • 1981 – 2002 Lincoln Town Car
  • 2005 – 2011 Lincoln Town Car
  • 1994 – 1997 Mazda B2300
  • 1994 – 1996 Mazda B3000
  • 1998 – 2007 Mazda B3000
  • 1994 – 2009 Mazda B4000
  • 1986 Mercury Capri
  • 1988 – 1997 Mercury Cougar
  • 1980 – 2011 Mercury Grand Marquis
  • 2003 – 2004 Mercury Marauder
  • 1997 – 2010 Mercury Mountaineer
  • 1985 – 1988 Plymouth Pathfinder