Purpose and Specifications

Castrol Magnatec 5W-30 S1 4L is a premium fully synthetic engine oil that delivers instant protection from the moment you start your engine. Its intelligent molecules cling like a magnet to critical parts, forming a self-healing layer that cuts wear by up to 75% during warm-up and stop-start driving.

This 5W-30 viscosity oil flows easily at cold starts down to -30°C for smooth operation in winter, while staying stable at high temperatures up to 150°C. It meets key specs like API SN, ACEA C2, and FIAT 9.55535-S1, making it perfect for gasoline, diesel, and Fiat vehicles. The 4-liter pack suits most cars for a full oil change.

• Reduces microscopic wear from 18,000 annual stops and starts in traffic
• Keeps engine clean by preventing deposits for longer life
• Boosts fuel efficiency in city driving with low-friction formula

When to Use / Replace?

Use Castrol Magnatec 5W-30 S1 in modern petrol and diesel engines, especially those with frequent short trips, urban stop-start, or cold weather. Ideal for Fiat models and vehicles needing ACEA C2 or API SN oils.

Replace every 10,000-15,000 km or 12 months, whichever comes first, to maintain peak protection. Shelf life is 5 years unopened when stored cool and dry.

FAQ

Is this oil good for cold winters? Yes, the 5W rating ensures quick flow at -30°C, protecting your engine on frosty mornings without strain.

Does it work in Fiat cars? Absolutely, it meets FIAT 9.55535-S1 spec for reliable performance in Fiat gasoline and diesel engines.

How often should I change it? Change every 10,000-15,000 km or yearly to keep the clinging protection strong against daily wear.