The product is a new OEM Yamaha wheel cylinder with the manufacturer part number 3HN-25950-00, specifically designed for the Big Bear and Kodiak models. This high-quality aftermarket part is essential for maintaining the performance and durability of Yamaha ATVs, ensuring smooth and reliable braking operation. Ideal for ATV enthusiasts looking to replace worn-out or damaged components, this wheel cylinder is a genuine Yamaha product that meets the standards of quality and performance associated with the brand.