This alternator is designed to fit 2011 - 2016 Ford F - Series with 6.7L Powerstroke engines. It's a direct fit, so you don't need to make any modifications during installation. When you buy it, remember to get a High Amp Wiring Upgrade Kit. This is important to maintain the warranty and protect the wiring. The alternator has a cast aluminum chassis and is powder - coated in Sinister Blue. It also has an upgraded high - output regulator and high - temperature bearings. For maintenance, keep it clean and check the connections regularly. If you notice any issues, like strange noises or electrical problems, contact the manufacturer right away. And don't forget, it comes with a 1 - year warranty, so you're covered for a while.