This is a 2 PK replacement double lip grease seals that fit Lippert and Dexter 3500 to 4400 lb trailer axle hubs with grease lubrication. Lippert, the unparalleled authority in axles and chassis, boasts a legacy dating back to our establishment in 1956. With an unrivaled commitment to excellence, producing over 5000 axles daily, we cement our position as the industry leader. We offer genuine replacement parts crafted to the highest standards, ensuring exceptional performance and durability for every component, from bearings to brakes. We offer a universal application for our replacement parts, compatible with competitor axles. This versatility not only streamlines the purchasing process but also provides peace of mind, knowing that Lippert parts are designed to seamlessly integrate with a wide range of trailer systems. Choosing Lippert means choosing unwavering dedication to customer satisfaction. We prioritize speed and efficiency, providing swift delivery to your doorstep, minimizing downtime and getting you back on the road quickly. With Lippert, you can always have peace of mind that your journey will be smoother, safer and hassle-free.