Quartz 5000 Diesel 15W-40 is a multi-grade oil, developed to cover the most stringent requirements of diesel engines without Diesel Particulate Filter (DPF). Quartz 5000 Diesel 15W-40 can be used in all operating conditions (city traffic, road, motorways), whatever the season.
Quartz 8000 5W-40 is fully synthetic engine oil that has been developed to cover the most stringent requirements of both gasoline and diesel passengers car engines. It is particularly suitable for turbo-compressed, multi-valve and direct injection diesel engines. This engine oil can be used in the most difficult operating conditions (motorways, dense city traffic...), and is appropriate for all driving types, in particular for sporting or intense drive, and for every season. Quartz 8000 5W-40 is perfectly suited to engines with catalytic converters and all engines using lead-free fuel or LPG
