K21-301-00-FOUR 4 - FORTRESS 4" Diameter Aluminum Oil Cap for Dexter K71-148-00, 021-036-00, and 021-256-00 ST-400D 10-15,000 lb axles Replaces Dexter K71-148-00, 021-036-00, and 021-256-00 Replacement for Valcrum ST-400D High-Carbon Chromium Steel Construction Forged with premium steel for exceptional hardness, wear resistance, and corrosion protection in heavy-load applications Precision Machined Components Computer-controlled grinding ensures smooth raceways and evenly spaced balls, minimizing friction and noise during operation Universal Industrial Compatibility Standardized dimensions fit most motors, gearboxes, and rotating equipment across automotive, machinery, and appliance industries Rigorous Performance Validation Batch-tested under extreme pressure, RPM, and temperature conditions with ≤0.005mm dimensional tolerance for reliability Maintenance-Ready DesignPre-lubricated and sealed with dust shields for immediate insatllation, reducing downtime and long-term servicing needs High performance parts designed with high-quality materials to repair the system of your trailer. Our trailer accessories are carefully crafted to meet precise specifications, ensuring suitability for most trailer systems. Each product undergoes rigorous testing to ensure optimal performance when necessary When you are unsure if the product is suitable for your trailer, you can consult experienced technicians ，Or you can contact us, and we will help you find the product that suits you The installation process is simple, with clear visual markings and predetermined dimensions, suitable for the trailer industry and residents, making these components ideal choices for multi-purpose trailers, ship transport vehicles, or freight vehicles The replacement parts are tested under pressure and in a quiet environment, eliminating the clicking and vibration during transportation. Whether replacing worn hardware or upgrading old systems, these components can provide consistent performance in short and off-road trips If there are quality issues with the received goods, you can contact us and we will do our best to satisfy you, because our aim is to make customers feel at ease when buying and using
