This front engine insulator pack fits Mack E6 applications and includes two identical units, covering both mounting points in a single order. It mounts between the engine and frame at the front, cushioning vibration and isolating engine movement to limit noise and stress reaching the chassis. The insulator is built as an aftermarket replacement for the front engine mounting position.Interchanges:Mack 20QL281FMM-4653This unit is sold in packs of 2.FeaturesFront engine insulator for Mack E6 applicationsSold as a 2-piece packTech SpecsSell pack: 2 piecesFitment: All Mack E6