Recommended change interval [km]: 60000 Engine Crankcase Vent Valve Repair Kit Diaphragm Membrane PCV Valve Replacement For Mercedes Benz W204 X164 X204 W251 6420102091 Pressure Controlled Valve VAICO Engine Crankcase Vent Valve For 2007-2011 Mercedes-Benz S550 5.5L Mercedes Maintenance Part Valve type: Diaphragm Valve ; Housing material: Polyamid 6.6 ; Seal Material: FPM (fluoride rubber)/ACM (polyacrylate rubber) ; Fitting Position: Cylinder Head Operating mode: pressure controlled , Width [mm]: 80., Installation: cylinder head. Best price for Vaico® V30-2620 Crankcase Vent Valve. Lifetime Replacement Guarantee and Free 60-Day Returns. Buy now Corresponding item numbers: MERCEDES-BENZ A 642 010 03 91; MERCEDES-BENZ A 642 010 20 91; MERCEDES-BENZ A 642 010 05 91; MERCEDES-BENZ 642 010 01 91; MERCEDES-BENZ 642 010 03 91; MERCEDES-BENZ 642 075 DES-BENZ 020