Mercedes-Benz A2700180900 Crankcase Breather Hose Assembly

The A2700180900 ventilation line functions as a crankcase breather hose with integrated oil separator. It routes blow-by gases from the cylinder head cover to the intake system while separating oil mist. The assembly includes the oil filler base, corrugated rubber hose, sealing gasket, and connector. Designed for Mercedes-Benz M270 1.6L and 2.0L turbocharged gasoline engines. Direct replacement for OE numbers A2700180900, 2700180900, A2700180000, 2700180000, A2700180500, 2700180500, and A2700180121. Constructed from high-temperature resistant rubber and plastic components rated for engine compartment environments. Plug-and-play installation without modification.