Fit for 1998-2004 Ford F-250 F-350 F-450 and F-550 4X4s having the vacuum-operated front axle
High quality steel, black oxidation treatment, rust and impact resistance, prolong service life.
Prevents front hub vacuum leakage resulting in 4WD failure to engage. Ensure that the seals are properly installed and do not damage the axle and wheel knuckles.
If you have any other questions, please contact us, we will serve you within 24 hours.