Specifications:  Fits either LH (Driver Side) or RH (Passenger Side) FRONT4 bolt flangeIncludes ABS sensorReplaces dealer part numbers: F81Z 1125 DA, F81Z1125DAFits 8 Lug WheelStuds already installedFits Super Duty models with:10mm thick flange170mm bolt circle4WD (4 Wheel Drive)4 Wheel ABSSRW (Single Rear Wheels)
Fits the following models:  1999 Ford F250 Super Duty Truck 4WD Single Rear Wheels (SRW) 4 Wheel ABS Front Wheel Bearing & Hub Assembly ( Built Before 3/21/99 Production Date)1999 Ford F350 Super Duty Truck 4WD Single Rear Wheels (SRW) 4 Wheel ABS Front Wheel Bearing & Hub Assembly ( Built Before 3/21/99 Production Date)