AFE Billet Oil Cap for your 2011-2019 Ford 6.7L Powerstroke diesel. The AFE oil cap gives styling a whole new aspect. Constructed out of durable CNC T-6061 billet aluminum for maximum strength and durability, this oil cap features eye-catching black chrome screws and a flawless matte black finish. Equipped with a new o-ring style gasket, this cap ensures a leak-free seal while enhancing the look of your engine compartment.