The Kenworth T600, T600A, T660, and T800 2006 to 2017 Heavy Duty 3 Position Engine Brake Switch is a reliable and durable solution for your vehicle. Made from high-quality black plastic, this switch is a direct replacement for the original part, ensuring a perfect fit and optimal performance. With its illuminated design and 5 male blade type terminals, it offers convenience and ease of use. Backed by a team of product experts and over a century of automotive experience, you can trust the trustworthy quality of this switch. It fits most Kenworth T600, T600A, T660, and T800 models from 2006 to 2017, making it a practical choice for your vehicle.