Dexter Fortress Threaded 10K - 16K Oil Cap K71-859-00Upgrade your axle maintenance with this high-quality Dexter Oil Cap, O-Ring, and Plug Replacement Kit, designed for a range of popular axles including Dexter, Rockwell, Valcrum, and AL-KO. Whether you're replacing worn-out parts or performing routine maintenance, this kit ensures a secure, leak-free seal and enhances the longevity of your axle system.Versatile Compatibility: Replaces oil, cap, o-ring, and plug for Dexter, Rockwell, Valcrum, and AL-KO axles.; Dexter K71-859-00, 021-219-00, 021-229-00, K21-226-00; Rockwell 12004; Valcrum ST-375-AM; AL-KO 568220, K568220.; Product Feature: Red Retainer Ring: Protects the clear viewing lens form damage while ensuring reliable oil level visibility; Secure Fit: Provides a tight, leak free seal for superior protection; Easy Installation: The threaded cap installs effortlessly simplifying axle maintenance and repairs; Durable Construction: Long lasting durability that safeguards your bearings against wear and the elements; Large Side Plug: Allows for easy access when filling or draining oil; Specifications: Overall Diameter: 3-3/4"; Application: Suitable for 10,000 - 16,000 axles, providing compatibility for a wide range of vehicles and equipment; Ensure a perfect fit and reliable performance for your axle system with this Dexter Oil Cap, O-Ring, and Plug Replacement Kit. Whether you're working on your Dexter, Rockwell, Valcrum, or AL-KO axle, this kit will keep your system running smoothly and efficiently. Ideal for maintenance, repair, and upgrades-this essential part is a must-have for anyone looking to extend the life of their axle system. Order now and maintain your equipment with confidence!