Product Description: Durable Front Axle Vacuum Knuckle and Tube Seal Kit for Superior Vehicle Protection Enhance your vehicle's performance and protection with our Front Axle Vacuum Knuckle and Tube Seal Kit, meticulously designed for robust durability and effective sealing. This comprehensive kit is essential for maintaining the integrity of your vehicle's front axle system. Vehicle Fitment: Specifically designed for F‑450, F‑550 Super Duty, and Excursion models with Dana 50 and 60 axles, from 1998‑2004. Ensure compatibility with your vehicle to guarantee a perfect fit and optimal performance. OE Numbers: This seal kit replaces manufacturer part numbers 50491, 50381, and 41784‑2. Ideal for replacing old and worn seals, ensuring your vehicle continues to operate smoothly and efficiently. Enhanced Protection: The tube seal kit effectively prevents dirt and debris from entering the axle system, providing an added layer of protection. This helps maintain the performance and longevity of your vehicle's components. Comprehensive Kit: The kit includes everything you need for a complete seal replacement: 2 inner knuckle oil seals for the outer axle, 2 outer tube oil seals (or dust seals) fitting on the inner axle shaft next to the yoke, and 2 vacuum seal O-rings for the wheel hub bearing assembly. Superior Durability: Crafted from robust steel and rubber, the front axle knuckle seal kit is designed to withstand high temperatures and resist rust. This ensures long-lasting durability and reliable performance, even under demanding conditions. Upgrade your vehicle with our Front Axle Vacuum Knuckle and Tube Seal Kit to ensure superior protection and durability. Its comprehensive design, easy installation, and compatibility with a range of models make it an essential addition for those seeking to maintain the performance and integrity of their vehicle's front axle system. Enjoy peace of mind and enhanced driving dynamics with this high-quality component.