When the thermometer in the cylinder head not to be replaced with another of a different, or the thread does not fit your Mac, KOSO This beautiful anodised adapter offers, the Simply place between the cooling tube. Suitable in combination with KOSO Pro multimeter. This is a water hose adapter with 18 mm connection diameter: including Thermofühler and 2x hose clamps. Ko – BG018B00 4051272044137