DTA Front Wheel Bearing & Hub Assemblies NT515020 x2 (Pair) Brand New Fit F250 F350 Superduty Single Rear Wheel Only, With Coarse Thread Studs 4WD/AWD Only Made to OE quality standards and performance High corrosion resistance and long service life Provides tight fit to the wheels QS 9000 and ISO 9001 quality certified 1 year or 12,000 miles limited warranty