Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number 4X55E1 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 4X55E1 It is listed as Differential Driving Axle. component manufactured by Standard Mfg Co Inc, specifically under CAGE Code 98296. It is also accompanied by the NSN 2520011043284 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 2520 Vehicular Power Transmission Components.