Description: 100% brand new, Never used or installed. Simliar to OTC 6695 Made from the original factory specifications from high-quality steel materials for a perfect secure fit. Prevents front hub vacuum leaks that would cause the 4WD to not engage and covers in oil. Professional installation in highly recommended. No instruction included. Fitment: Fit For Ford 1998-2004 F-250 F-350 F-450 and F-550 4X4s with the vacuum-operated front axle Package including: .