MK1 1989 > 1998. Temperature Sensor, MX5 Mk1 1.8 1994>1998. Fits all Mk1 1.8 MX5 models, 1994>1998. These are quite a common failure on Mk1 models so the chances are that if your radiator fan doesn't cut in or you are suffering running problems particularly from cold, this is probably what's causing the problem!
