The Rear Axle Seal Kit is a must-have for owners of F250, F350, Super Duty trucks between 1999 and 2024, including the Excursion of 2000-2005. This direct-fit OE replacement kit guarantees perfect alignment and functionality, ensuring your truck's performance remains at its best. The kit includes O-rings for the ring, which are the vital components responsible for holding the axle together. These high-quality O-rings are engineered to withstand harsh conditions and provide the necessary sealing to prevent leaks and protect your truck's components. The kit is compatible with trucks equipped with various wheel sizes, including 150, 250, and 350, 2015-2019 model years. By investing in this Rear Axle Seal Kit, you're not only ensuring optimal performance but also protecting your vehicle's value and longevity.