Rear Pinion Seal for Dana M275 and M300, 2017+ Super Duty, with Outer Diameter of 4.040". (Part number YMSF1018) Yukon Mighty Seals use the latest design and manufacturing technologies to produce a precision fit that seals tight and lasts for years to come.
Rear Pinion Seal for Dana M275 and M300; 2017+Super Duty; with Outer Diameter of 4.040in.