Meets and exceeds the original equipment recommendations for your vehicle. Combines intelligent molecules with part synthetic technology for a stronger layer of protection. Grade 10W-40 B3 - using the incorrect grade can damage your engine. Refer to your vehicle's manual for the correct grade. Suitable for diesel engines. Tamper-proof seal. Unsure which oil to buy for your car? Use you mobile phone and text OIL to 83080. Simply enter your cars registration number and you will receive a personalised oil recommendation for your vehicle. Texts are charged at standard rate.