Shell Helix HX7 10W-40 is a premium synthetic technology motor oil engineered to provide superior engine protection and performance for both petrol and diesel vehicles. Featuring Shell’s Active Cleansing Technology, it helps prevent the build-up of harmful sludge and deposits, keeping your engine cleaner and running efficiently for longer. The advanced formulation delivers excellent wear protection, reduces engine noise, and helps maintain optimal performance under both city driving and highway conditions.