Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number 323771R31 with rapid responses always offered by our staff. To ensure that you locate and procure exactly what you need with ease, we list parts with as much information as we can. For example, part number 323771R31 It is listed as Cylinder Head Diesel Engine. component manufactured by Navistar Intl Corp, specifically under CAGE Code 31007. It is also accompanied by the NSN 2815008518533 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 2815 Diesel Engines and Components.