021-259-00 - Aluminum Oil/Grease Cap – Fortress Bolt-On (Cap Only) – For 9K–12K Hubs | DXT HYDRAPRO Designed to fit standard 2-5/16"

Designed to fit standard 2-5/16" trailer balls

this kit fits trailers rated from 5

000 lb axle applications using 2" wide slipper leaf springs

Compatible with most 10K-rated straight beam trailer setups

021-259-00 - Aluminum Oil/Grease Cap – Fortress Bolt-On (Cap Only) – For 9K–12K Hubs | DXT HYDRAPRO Designed to fit standard 2-5/16"This is a standalone Fortress series aluminum bolt on hub cap, designed for Dexter 9,00012,000 lb oil bath axle hubs. Built from corrosion resistant aluminum alloy, it replaces the cap onlyideal for servicing or replacing damaged units without needing a full kit. Detailed Information: Axle Rating 9,00012,000 lbs Mount Style Bolt On Material Aluminum Alloy Application Oil Bath Hub Systems Fitting: Direct replacement for Dexter Fortress bolt on aluminum