This aluminized replacement elbow is a practical and durable solution for Kenworth truck owners. With a 5-inch diameter and 90-degree inner diameter, it fits most W900B, L, T600, and T800 models from 1982 to current makes and models. Made of aluminized steel, it is built to last and fits OEM part number Kenworth 180-8047. Sold individually, this replacement elbow is a cost-effective solution for maintaining your Kenworth truck's exhaust system.