The Kenworth And Peterbilt 2014 To 2017 Heavy Duty Diesel Fuel Cooler is a reliable and durable replacement for the original cooler. With a matte black finish and steel core, this fuel cooler is designed to match the fit and function of the original cooler on specified models. It restores functionality and ensures reliable performance and long service life. Sold individually, this fuel cooler includes washers and is a direct OE replacement for Paccar N4150001. Trustworthy quality backed by a team of product experts in the United States and over a century of automotive experience. Fits most Kenworth and Peterbilt models from 2014 to 2017.