This is 12V Blue Permanent Mount Pulsator.
Pulsator Repair Kit for Strangko or Westfalia new-style pulsators.
Part number "160218" on schematic diagram.
Pulsator Cover with 2 Holes for Strangko or Westfalia. Part number "160222" on schematic diagram.
12V Blue Replacement Coil for Strangko Alternating Pulsator.