VDO Cylinder Head Temperature Sender — 14mm, Under Spark Plug, 16' Wire | Air-Cooled VW (V3-2370-1)VDO cylinder head temperature sender, 14mm, with 16' head wire installs under the spark plug to monitor head temperature, pairing with a VDO head temp gauge (for use with V310901). Essential for keeping an eye on engine temps on air cooled VWs. Part #: V3 2370 1 Brand: VDO Type: 14mm head temp sender, under spark plug, 16' wire Fits: Air cooled VW (VDO head temp gauge systems)