The Dexter Fortress threaded aluminum oil/grease cap is designed for heavy-duty 10K–16K hubs. Built from cast aluminum with a black protective coating, it features a clear lens protected by a red retainer ring and a large side plug for easy fill or drain. This versatile cap can function as either a grease or oil cap, ensuring reliable bearing protection. Includes 1 cap, watertight O-ring seal, and plug.

Detailed Information:

Fitting:

Direct replacement for Dexter, Rockwell, Valcrum, and AL-KO oil/grease caps.

Features:

• Dual Functionality: Works as both oil or grease cap.
• Enhanced Durability: Cast aluminum body with protective black coating.
• Lens Protection: Red retainer ring shields the clear viewing lens.
• Easy Maintenance: Large side plug simplifies filling and draining.
• Secure Fit: Threaded design with O-ring and gasket ensures a tight seal.

Interchangeable Part Numbers:

• Dexter: K71-859-00, 021-219-00, 021-229-00, K21-226-00, K21-304-00
• Rockwell: 12001
• Valcrum: ST-375-AM
• AL-KO: 568220, K568220

Product Overview:

This Fortress series threaded aluminum cap offers long-lasting protection and simplified maintenance for 10K–16K hubs. With a rugged design, versatile compatibility, and easy access for servicing, it ensures your trailer bearings remain properly lubricated and protected.