Shop Ford F450 Super Duty Window Wiper Arm. Order Ford F450 Super Duty Windshield Wiper Arm & Ford F450 Super Duty Wiper Arm Replacement. Maintaining the wiper arms of your Ford F450 Super Duty is crucial for clear visibility during inclement weather. Regularly check for signs of wear, such as bent frames or inefficient blade contact, which signal the need for replacement. To extend their lifespan, clean the arms and blades with a suitable solvent and avoid using them to scrape off ice. When selecting new wiper arms, opt for those that match the specific size and connector type of your vehicle. Premium wiper arms with a robust construction ensure durability and ease of installation, enhancing your shopping experience and safety on the road.