Shell Helix HX7 is premium synthetic technology 10W-40 engine oil suitable for petrol, diesel & LPG engines including turbo charged & direct injection diesel engines without particulate filters (DPF). Shell Helix HX7 uses special active cleansing agents to help engines operate efficiently. The oil in a clean engine can flow quicker to where it is needed and has improved access to surfaces, so as to better protect the engine. Shell Helix HX7 is up-to twice as effective at removing sludge from dirty engines compared to a mineral oil. To find the oil type and viscosity suggested for your vehicle; either add your vehicle to My Garage or check with your manufacturer, vehicle user manual, your local mechanic or head in-store and talk to one of our friendly team.