This shock absorber kit fits Mack and Kenworth suspension applications, pairing the shock absorber assembly with four mounting insulators for a complete bushing set. Mounted between the axle and frame, the shock controls suspension movement and helps keep the tires in consistent contact with the road. It is sold as one complete kit per unit and is built as an aftermarket replacement.Interchanges:Kenworth K374-14Mack 14QK2113Mack 14QK2113P1FeaturesShock absorber assembly, part HSA-5066-001Includes four shock absorber insulators, FMM-4675 (OEM 14QK136)Sold pack: 1 kit per unitSuspension componentTech SpecsSell pack: 1 EACHKit contents: 1x Shock Absorber Assembly (HSA-5066-001), 4x Shock Absorber Insulator (FMM-4675)