Fortress Complete Aluminum Oil Cap Repacement Kit, K21-305-00

The Dexter Fortress Threaded Aluminum Oil Cap is designed for axle capacities of 10,000 to 16,000 pounds, featuring a larger, conveniently accessible side fill/drain plug for easier maintenance. The cap is engineered with precision and is a replacement for Lippert.

Genuine Dexter bolt-on & threaded bearing protection solution

Reinforced retainer ring design shields clear viewing lens against damage

Cast aluminum body with black coating for added protection

Robust sealing through durable rubber o-ring and gasket

Larger, easily accessible, side fill/drain plug

Available for oil or grease applications

Backed by Dexterâ ‚¬ „¢s 5 year warranty

Replacement Cross-Reference

Dexter K21-298-00

Lippert 693935

Valcrum ST-400L-AM