Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number 446GC138B 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 446GC138B It is listed as Seal Rock Arm Assy. component manufactured by Mack Trucks Inc, specifically under CAGE Code 89619. It is also accompanied by the NSN 5330004067744 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 5330 Packing and Gasket Materials.