QUARTZ 9000 COG SN 5W-30 is a synthetic technology engine oil that provides maximum protection against wear and deposits. QUARTZ 9000 COG SN 5W-30 is suitable for all Gasoline engines (multi-valve, turbocharger, with or without catalysts). Approved by GWM (Spare parts number: ALAC011927), QUARTZ 9000 COG SN 5W-30 can be used for all journey types (in towns, as well as on major roads and motorways) and is especially suitable for the most demanding service conditions – in very hot or extremely cold climates.