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Aluminum Grease/Oil Cap - FORTRESS BOLT-ON - For 9,000 - 12,000 lbs HUB - DEXTER

Key Specifications:

• Axle Capacity Compatibility: 9,000 lbs – 12,000 lbs

• Application: Designed for Dexter production axle conversion to Fortress Bolt-On style caps

• Material: High-strength Aluminum Cap with Durable Hardware

• Mount Style: Bolt-On

Fitting:

• Compatible with Dexter 9K – 12K axles for oil bath hub systems.

• Ideal for converting existing axles to Fortress Bolt-On aluminum cap design.

Kit Includes:

• (1) Fortress Bolt-On Aluminum Cap – Dexter Part # 021-259-00

• (1) Bolt-On Oil Cap Gasket – Part # 010-500-00

• (6) Bolt/Lock Washers – Part # 007-684-00

• (1) Oil Fill Plug – Part # 007-695-00

• (1) Dexter Logo Rubber Plug – Part # 085-029-00

Features:

• Upgrades Existing Axles: Allows for easy conversion of Dexter axles to a bolt-on oil cap system.

• Durable Aluminum Cap: Built for heavy-duty performance and corrosion resistance.

• Complete Installation Kit: Includes gasket, plug, bolts, and logo cap—everything needed for a secure install.

• Service-Friendly Design: Bolt-on installation makes future maintenance and inspection faster and easier.

• OEM Dexter Fitment: Engineered to meet Dexter’s axle standards for direct replacement.

Interchangeable Part Numbers:

• K21-259-00

Product Overview:

The Fortress Bolt-On Aluminum Oil Cap Kit (K21-259-00) is designed for Dexter 9,000 to 12,000 lb trailer axles, offering a durable, service-friendly upgrade to traditional oil bath caps. With a high-quality aluminum build, this kit improves both function and longevity of your axle hub system. The included components ensure a secure seal and straightforward installation, making it the ideal solution for converting or replacing worn components. Perfect for fleets and trailers requiring rugged, high-performance hub protection.