The 3.0L PowerStroke under the hood of your diesel F150 loves to show off its impressive power and torque, but even your tough truck can unleash more power and performance with just a few engine upgrades. Each one of these premium upgrades work to give your F150 diesel more horsepower, torque, and vastly improved throttle response so that you can make your 2021 3.0L F150 feel like an entirely new truck. In this section, you'll find a variety of different parts including aftermarket HD oil pans, cold air intakes, new air filters, and everything else you'll need to make your truck more efficient each time you get behind the wheel. After you've selected the best engin upgrades for your partiuclar applications, be sure to check out our catalog of Exhaust Systems and new Wheels & Tires to further enhance the way your truck looks and performs. Ford F-150 Fitments: 2021 Ford F150 with 3.0L Powerstroke engines. Submodel Fitments: FX2, FX4, King Ranch, Limited, Platinum, Lariat, Tremor, Sport, STX, XLT, XL. Some exceptions apply, please see individual product pages for specific fitments.