This is the lock button for vent windows for 356b t-6 and 356c models.
When the knurled end is turned in, the window is locked. it is a very difficult piece to replate, so we suggest this new part at less than replating costs.
644-542-559-06 vent window lock button, for 356b 356c 1960-1965
Known as: hexagon nut m 5 / hexagon nut vertical pedal adjustment 30 mm / hexagon nut bm 5
Known as: hexagon nut m 5 turbo-look front spoiler / hexagon nut m 5 snow chains / hexagon nut m 5 f >>92hn4 50198 / hexagon nut m 5 see technical information gr.x nr.15 / hexagon nut m 5 see technical information gr. X nr. 15 vertical pedal adjustment 30 mm
We suggest periodically checking your gas cap seal for fine cracks which produce fumes. If you replace the cap and the fumes persist, check the fuel filler neck, fuel lines, expansion tank and vent shut off valves. Oem (original equipment manufacturer) bayonet locking type fuel cap sourced in Germany to ensure quality, reliability and precise fitment. Sold individually. 1 necessary per car. Please note: please check the model fitment tab to ensure accurate fitment.
This item may need to be sourced from Germany and would take 2-4 weeks to arrive. Once ordered it cannot be canceled. Please call to check stock or request expedited shipping.
Known as: lock nut m 6 / lock nut nm 6 / hexagon nut m 6
Known as: lock nut m 6 m >> 63d 4069 m >> 64d 3716 m >> 63d 8154 m >> 67d 0711 / lock nut m 6 self-locking