Radiator Fan Switch Lucas SNB670 Replaces 1H0 959 481, 1H0 959 481C, 1H0919481 Bnotes: Blue, 3 terminal Connector Shape: Rectangular Techn. Info. No.: Circuit N.O./N.O. Housing Colour: Blue Thread Size: M22 x 1.5 Spanner size: 29 Operating temperature from: 90, 97 &176;COperating temperature to: 80, 87 &176;C