The product is a Carquest Wearever Drum Brake Wheel Cylinder with the manufacturer part number WCA610146. It is designed for use in brake systems of vehicles and specifically fits the drum brake setup. This wheel cylinder is a genuine Carquest product, ensuring quality and compatibility with the vehicle's braking system. The Carquest brand is known for providing reliable and durable automotive parts, making this wheel cylinder a trustworthy choice for brake system maintenance and repair.