Purpose and Specifications

Castrol GTX 5W-30 C4 4L engine oil delivers superior protection for petrol and diesel engines, meeting ACEA C4, MB 226.51, MB 229.31, and Renault RN0720 specs. Its 3X-Clean formula removes existing sludge and prevents new buildup from heat, contaminants, and short trips, keeping your engine 35% cleaner than industry standards for longer life and smoother performance.

This premium synthetic blend flows easily at cold starts down to -30°C and stays thick up to 40°C ambient temps, reducing wear and minimizing oil consumption. The 4-liter pack suits most cars for a full oil change, helping extend engine life under daily driving stresses.

When to Use / Replace?

Use Castrol GTX 5W-30 C4 in vehicles requiring these approvals, especially for frequent short trips, heavy traffic, or high-mileage engines over 100,000 km. Replace every 10,000-15,000 km or 12 months, whichever comes first, to maintain peak protection and avoid sludge blocking oilways.

Shelf life is up to 5 years unopened in cool, dry storage. Ideal for operating temps from -30°C to over 100°C inside the engine.

FAQ

Is this oil good for high-mileage cars? Yes, its cleaning formula removes deposits from older engines, reducing wear and improving efficiency in vehicles with over 100,000 km.

Can I use it in hot weather? Absolutely, it resists thermal breakdown up to 40°C ambient and higher engine temps, maintaining pressure and protection.

How often should I change it? Every 10,000-15,000 km or yearly to fight sludge and keep your engine running strong.