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Differential Ring and Pinion for 1977-1988 Ford F-250 4WD
InfoVehicle Info Needed
EXCELPART NUMBER: 857-D44354R

Differential Ring and Pinion for 1977-1988 Ford F-250 4WD

$30799
ShippingShips on 11/13/2026
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Differential Ring and Pinion
  • 1977-1988 Ford F-250 4WD
  • 3.54 Gear Ratio with 39-Tooth Ring Gear
  • 8620 Steel Ring and Pinion Construction
  • 26-Spline Pinion Shaft, 1.376 in. Diameter

    This differential ring and pinion is manufactured to OEM specifications for 1977-1988 Ford F-250 4WD and other listed applications, restoring correct drivetrain fit and function.

    Specifications and Fitment:

    • 1977-1988 Ford F-250 4WD
    • 3.54 Gear Ratio with 39-Tooth Ring Gear
    • 8620 Steel Ring and Pinion Construction
    • 26-Spline Pinion Shaft, 1.376 in. Diameter
    • Part TypeRing and Pinion
    BrandEXCEL
    Package Height5.25
    Package Width11.0
    Package Length15.0
    Weight14.0 PG
    Part CategoryReplacement Parts
    Ring Gear RotationReverse
    Ring Gear Tooth Quantity39
    Differential Case Design TypeDana 44 Reverse
    PositionFront
    Differential Carrier Break3.73 Ratio and Lower
    Cover Bolt Quantity10
    Pinion Spline Count26
    Ring Gear Material8620 Steel
    Ring Gear Outside Diameter8.5 in.
    Pinion Shaft Diameter1.376 in.
    Pinion Gear Tooth Quantity11
    Gear Ratio3.54
    Ring Gear Bolt Quantity10
    Part FitmentDirect Fit
    Mounting LocationFront
    ApplicationDana 44 Reverse
    Vendor Part NumberD44354R
    Package Qty1
    Package TypeEA
    Please click here to download the instructions PDF file
    Some parts are not legal for use in California or other states with similar laws / regulations
    p65 warning