This semi truck fairing extension is compatible with Kenworth T680 135-inch semi truck models. As a Kenworth T680 fairing compatible unit, this left driver side fairing extension installs on semi trucks compatible with Kenworth T680 135-inch models using the included hardware without requiring cutting or modification to the existing side fairing. The T680 fairing compatible extension is constructed from durable materials that resist corrosion through extended commercial use. This semi truck fairing extension compatible with Kenworth T680 aligns with factory mounting points on all listed configurations. As a T680 fairing compatible left driver side extension, this unit is built for commercial highway conditions and installs on the existing side fairing assembly of semi trucks compatible with Kenworth T680 135-inch models. This package includes: 1 Left Driver Side Fairing Extension, Logo Emblem, and 1 KOZAK Reflective Safety Vest. This item requires commercial or warehouse delivery. A valid phone number and commercial delivery address must be provided at the time of purchase to ensure timely shipment.