Quicksilver - Speedometer Hose Connector Alpha One Gen II Series Quick-Connect Fitting 860382. Overview. Some parts are small but carry big importance, especially when they help you keep track of your speed on the water. A speedometer should feel steady and dependable, not jumpy or dead because of a loose or worn connector. This Quicksilver speedometer hose fitting is one of those simple components that keeps your boat feeling dialed-in. When it's clipped on and secure, you can enjoy the ride in