Kenworth T680 Peterbilt 579 Hood Assist Strut L716017 L716009 L716021*Please Verify Your OEM Number Before Purchase Heavy Duty Hood Shock Fits Kenworth T680 And Peterbilt 579 Models With Extended Hood Includes Locking Mechanism For Ease Of Use Direct Aftermarket Replacement For OEM #: L716017 L71-6017 L716009 L71-6009 L716021 L71-6021 Dimensions: 5" Lock Section; (Collapsed) 27.5" (Extended) 30.5" L x 0.313" Diameter Sold Individually Quality Made Product If you should need additional Truck Parts and Accessories, please don't hesitate to call our toll-free number 1-888-888-7990