This oil breather filter is designed to ventilate crankcase gases from the engine, helping to relieve internal pressure caused by blow-by during combustion. What are the technical details?. - Beetle 1947–1979 - T2 Split Screen 1950-1967 - T2 Bay Window 1967-1979 - Karmann Ghia 1956-1974 - Type 3 1962-1973 What is the SKU for this part?.