The collar for the oil breather pipe. This vital seal sits on the oil filter tube on VW upright engines, preventing the hot air below rising into the all-important, cool air zone of the engine compartment.
Empi oil breather pip collar. Fits all VW Beetles from 1961 onwards, VW T2 Split Screens from 1961 to 1967, and 1600cc VW T2 Bays from 1967 to 1979.