QU20051 Unitized Oil Bath Rear Wheel Seal 1985-1997 Ford F250, F350

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Dan the Gear Man® Tech Notes:
Seal Design
Leakage
Matching Parts
Applications

Tech Note 1: Seal Design
QU20051 is a Unitized Oil Bath Wheel Seal that is designed so the inner sleeve rotates within the outer Seal Shell. This means the seal is a press fit on both the spindle and in the wheel hub. This design, in which the seal rotates within itself eliminates one of the most troublesome causes of wheel seal leaks with one piece conventional seals which often groove the spindle. Unlike conventional seals which have the seal lip directly rotating and wearing on the spindle, our Oil Bath Seal seal lip rotates on the seals fixed inner sleeve so there is no wear on the spindle at all.

Tech Note 2: Leakage
Ford 10.25" Rear Axles use oil bath type inner wheel seals. Leakage past the seals is a common problem with this axle when using older design wheel seals. Other possible causes of leakage include a plugged vent hose and/or fitting which is the most common cause. Chronic leakage can often be traced to improper seal installation or a defective hub (seal bore is off center or damaged).

Tech Note 3: Matching Parts
Matching Parts/Tools for QU20051 Ford 10-1/4" Rear Axle Rear Wheel Seal:
QU20004 Axle Shaft O-Ring
QK4019 Spindle Nut Kit
TK8330 Rear Wheel Seal and Bearing Kit
QT1534 Seal Installer
QT1100 Installer Handle

Applications
Ford:
F250, F350 with Ford Sterling 10-1/4" Full Floating Rear Axle: 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997