This right-hand windshield glass is built for Mack R, RB, RD, and RW model trucks, replacing the front windscreen on the cab. It seals out wind, water, and debris while maintaining driver visibility, and is sold individually as one piece per pack.Interchanges:Mack 25161957Mack 9QT513AFGW-5780FeaturesRight-hand windshield glassFits Mack R/RB/RD/RW modelsSold individually, 1 each per packTech SpecsSell pack: 1 EACHFitment: Mack R/RB/RD/RW models