This rubber made 90° elbow is located at the left of the air cleaner box on Type 4 based engines, Type 2 buses starting from model year 1972, type 411/412 and Type 25 air cooled 2.0l engines. Due to its mounting next to the engine this rubber part is very susceptible to influences of heath and corrosion by  oil. This rubber elbow can be delivered as from now from stock.