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On January 26, 2026, AAM – American Axle & Manufacturing Holdings, Inc. changed its name to Dauch Corporation. Learn more here.

Ford: 9.75" Rear Axle

Differential Cases - Traction Enhancing

Axle: Differential Cases - Traction Enhancing

AAM#Vehicle MakeModelYearAxle TypeAxle Ratio# of TeethNotes
9L3Z4026JFordExpidition/Navigator, F 150 / Mark LT, Econoline2001 - 20129.75" Rear AxleAll34 / 1.37"Trac-Loc Plate Clutch Limited Slip Differential
ML3Z4026BFordF-1502012 - 20259.75" Rear Axle4.1034E-locker 34 spline
Ring & Pinion Gear Sets

Axle: Ring & Pinion Gear Sets

AAM#Vehicle MakeModelYearAxle TypeAxle RatioNotes
3L1Z4209AAFFordF Series UNDER 8500 GVW1997 - 20049.75" Rear Axle3.08
CL3Z4209DFordF-Series over 8500 GVW2009 - 20169.75" Rear Axle3.73
CL3Z4209EFordF-Series over 8500 GVW2009 - 20169.75" Rear Axle3.55
CL3Z4209FFordF-150, Transit-150, Transit-250, Transit-3502011 - 20159.75" Rear Axle3.73
ML3Z4209GFordF-150, Transit-150, Transit-250, Transit-350, Expedition2015 - 20259.75" Rear Axle3.31
ML3Z4209HFordF-150, Transit-150, Transit-250, Transit-350, Expedition2015 - 20259.75" Rear Axle4.10
ML3Z4209JFordF-1502015 - 20259.75" Rear Axle3.55
Differential Gear Kits

Installation Parts and Kits: Differential Gear Kits

AAM#Part TypeVehicle MakeModelYearAxle TypeNotes
9L3Z4215CFordF-Series under 8500 GVW, Lincoln Mark LT, Expedition/Navigator2003 - 20119.75" Rear Axle