Compatibility – Fits 2013-2018 Ford Focus ST and 2016-2018 Ford Focus RS models. Direct replacement for the OEM washer fluid reservoir cap. CNC Machined Billet Aluminum – Precision crafted from high-quality billet aluminum for durability and a premium look under the hood. Easy Installation – Installs in seconds as a direct replacement with no tools required. Simply remove the stock cap and pop this one on. Enhanced Engine Bay Appearance – Offers a clean, high-performance aesthetic that adds a personalized touch to your engine bay. Available Finishes – Choose from Red, Blue, Black, or Natural Aluminum to complement your build and styling preferences. Made in the USA. Add a touch of style to your engine bay with the Boomba Racing Washer Fluid Cap, designed for the Ford Focus ST (2013-2018) and Focus RS (2016-2018). CNC machined from premium billet aluminum, this cap is a direct replacement for the stock plastic cap, offering a durable and visually appealing upgrade. Available in Red, Blue, Black, or Natural Aluminum, this washer cap installs easily with no tools required. Simply remove your factory cap and install the Boomba Racing cap for an instant engine bay enhancement. Perfect for enthusiasts looking to personalize their vehicle, this cap is another high-quality product proudly made in the USA by Boomba Racing.