This high-quality Viscous Vibration Damper is designed to fit perfectly on your Cummins Diesel Engine. It is made from durable materials to ensure efficiency and long-lasting performance. This unit type is a single piece and the unit quantity is one. The Viscous Vibration Damper is an essential component that ensures smooth operation of your engine. It minimizes vibrations and reduces wear and tear, thus extending the lifespan of your engine. This product is perfect for those in need of reliable engine parts.