
Lubricants frequently asked questions
To help you understand oil better, here are the answers to the questions we’re most frequently asked.
More in oils and lubricants
Shell Helix car engine oils
Designed to meet your needs – whatever your driving challenges. Discover the full product range.
Shell Helix Semi Synthetic Motor Oils
Shell Helix semi-synthetic or ‘synthetic technology’ oils make use of both synthetic and mineral base stocks to achieve higher performance levels than can be formulated from mineral oils alone.
Shell Rimula Truck & Heavy-duty Engine Oils
Our scientists developed Shell Rimula heavy-duty diesel engine oils, designed to protect your engine, helping you lower maintenance.