The Bobcat 6679837 is a genuine OEM male flat face hydraulic quick coupler block cartridge designed for reliable and efficient hydraulic connections on Bobcat skid-steer loaders, compact track loaders, and all-wheel steer loaders. This quick coupler ensures minimal fluid loss and air inclusion during attachment changes, providing a clean and secure connection for various hydraulic implements. It is a direct replacement part for maintaining optimal hydraulic system performance.