This Genuine Tohatsu Marine Part is a roller bearing with the part number 3T1-00042-0. Roller bearings are essential components in marine engines as they help reduce friction and ensure smooth rotation of various moving parts. Designed specifically for Tohatsu engines, this roller bearing is made with high-quality materials to withstand the harsh marine environment and provide reliable performance. Whether you are replacing a worn-out bearing or performing routine maintenance, this Genuine Tohatsu Marine Part is the perfect choice to keep your engine running smoothly and efficiently.