Shell Helix Diesel Ultra Extra is a premium-grade, fully synthetic engine oil scientifically formulated to give you Shell’s maximum engine clean up properties using special cleansing agents that actively help to continuously lock away harmful dirt and deposits for the respective vehicle specifications outlined below. It is a fully synthetic lubricant giving Shell’s ultimate engine and exhaust after treatment protection including diesel particulate filters for performance motoring in support of increased oil change intervals and exhaust after treatment device protection.Suitable for fuel-injected petrol engines fitted with emissions control technology and catalytic converters. Also suitable for turbo-charged and intercooled direct injection high performance diesel engines fitted with exhaust gas recirculation and particulate filters.

Features 

• Low SAPS oil for emission system protection
• Shell’s ultimate active cleansing technology
• Five times as effective at removing sludge from dirty engines than a normal mineral oil
• Long-term oxidation stability
• Up to 37% more protection than other fully synthetic leading brands tested.
• Low viscosity, rapid oil flow and low friction
• Improved fuel efficiency and easier cold starting
• High shear stability
• Maintains viscosity and stay in grade throughout the oil drain period
• Specially selected synthetic base oils
• Reduces oil volatility and therefore oil consumption
• Minimises vibration and engine noise
• Smoother, quieter drive