This left-hand windshield glass fits Mack R, RB, RD, and RW models along with Mack DM and U models, sealing the cab against wind, water, and debris while preserving driver visibility. It ships as a single unit measuring 12.001 in. wide by 12.001 in. high. The glass is built as an aftermarket replacement for these Mack platforms.Interchanges:25154901Mack 9QT514AFGW-5781FeaturesLeft hand (L/H) windshield glassFits Mack R, RB, RD, RW modelsFits Mack DM and U modelsDimensions: 12.001 in. W x 12.001 in. HTech SpecsWidth: 12.001 in.Height: 12.001 in.Sell pack: 1 EACHAdditional InformationFits: Mack R, RB, RD, RW models; Mack DM and U models.