Water Hose Coolant Temperature Sensor Hose Adapter Fits Sensor 34mm M14x1.5 BK. The adapter is machined from aluminum. The OD of the hose splice fittings is 1 5/16 " and the threaded portion in the middle is M14x1.5 - which matches the threading for the OEM BMW 80/88 or 91/99 fan switches.
