Purpose and Specifications

WOLF ESSENTIAL 10W40 SL/CF 10W40 B4 5L is a budget-friendly semi-synthetic engine oil designed for older gasoline and light-duty diesel engines. It delivers excellent engine cleanliness, full component protection, and high thermal stability for reliable performance in everyday driving.

This 10W-40 oil flows smoothly at cold starts down to -25°C and stays thick up to 150°C, protecting normally aspirated and supercharged engines including direct injection diesels like Common Rail, HDI, and CDI. Approved for ACEA A3/B3/B4, API SL/CF, MB 229.1, VW 501.01, and VW 505.00 specs, it fights sludge, reduces wear, and keeps engines clean for longer life.

• 5-liter canister perfect for complete oil changes
• Low ash formula resists aging for consistent protection
• Ideal all-year-round use in varied temperatures

When to Use / Replace?

Use this oil in vehicles up to Euro 4 standards, especially older cars over 5 years with high-mileage engines. Perfect for city traffic, highway drives, or mixed conditions where affordability meets solid protection.

Replace every 10,000-15,000 km or 12 months, whichever comes first, to maintain peak performance. Shelf life is 5 years unopened in cool, dry storage.

FAQ

Is WOLF ESSENTIAL 10W40 suitable for modern turbo engines?
It excels in older normally aspirated and light-duty diesels but check your owner's manual for newer turbos needing advanced low-viscosity oils.

Can I use it in both gasoline and diesel cars?
Yes, it's versatile for four-stroke gasoline and diesel engines meeting its ACEA A3/B4 and API SL/CF approvals.

How does 10W-40 perform in extreme weather?
Flows easily at low temps for quick protection and holds viscosity at high heat, making it great for all-season reliability.