Part # K21-301-00
Aluminum Oil Cap Kit
Fits Dexter 10KHD-15K axles
The Dexter Fortress Threaded Aluminum Oil Cap is designed for axle capacities of 10,000 to 15,000 pounds, featuring a larger, conveniently accessible side fill/drain plug for easier maintenance and a resilient rubber O-ring and gasket for airtight sealing, providing optimal performance and durability.
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 Dexter’s 5 year warranty
Replacement Cross-Reference
Dexter K71-148-00
Dexter 021-036-00*
Dexter K21-256-00
Valcrum ST-400D-AM
*Legacy Dexter Oil Cap Only. Complete Fortress Kit replaces complete oil cap kits. The cap only is for reference.