Purpose and Specifications

WOLF GUARDTECH 15W40 SL/CF 1L is a high-quality mineral engine oil that delivers reliable protection for gasoline and diesel engines in cars, light trucks, and mixed fleets. Its 15W40 viscosity flows smoothly at cold starts down to -20°C and stays thick under high heat up to 150°C or more, reducing wear during tough driving.

Approved for major specs like FIAT 9.55535-D2/G2, MB 229.1, VW 501.01/505.00, ACEA A3/B3/B4, and API SL/CF, it excels in cleaning engine deposits, neutralizing acids, and forming a strong oil film for long-lasting engine life. Perfect budget choice for everyday reliability without lab jargon.

• Strong detergents keep pistons and valves clean
• Handles turbo diesels and high-load conditions
• Supports extended drain intervals up to 15,000 km or 12 months

When to Use / Replace?

Use in older 4-stroke gasoline or turbo diesel engines per manufacturer specs. Ideal for daily commutes, highway driving, or light commercial use in moderate climates. Replace every 10,000-15,000 km or 6-12 months, or sooner if towing heavy loads or in dusty/hot areas (check dipstick for dark oil).

Shelf life: 5 years unopened in cool, dry storage. Operating range: Starts easily at -20°C to -30°C, protects up to 150°C+ engine temps.

FAQ

Q: Is this oil good for my Fiat or VW diesel?
A: Yes, it meets FIAT 9.55535 and VW 501.01/505.00 specs for proven protection in turbo diesels.

Q: How often should I change it?
A: Every 10,000-15,000 km or 12 months for normal use; monitor oil level monthly.

Q: Can I use it in high-mileage engines?
A: Absolutely, its cleaning additives reduce sludge and extend life in engines over 100,000 km.