Ford Racing front axle knuckle seal shield kit for 2005–2016 Super Duty 4x4 trucks protects the knuckle seal area from contamination. The kit includes four metal shields—two per knuckle—and eight new nuts to replace worn hardware. These shields are intended to guard the knuckle seal from debris and potential damage during heavy‑duty or off‑road operation.
Ford Racing 05-16 Super Duty 4x4 Front Axle Knuckle Seal Shield