Purpose and Specifications

WOLF ESSENTIAL SL/CF 10W40 B4 1L is a budget-friendly semi-synthetic engine oil that delivers reliable protection for older gasoline and light-duty diesel passenger car engines. Its 10W40 viscosity grade ensures smooth flow in cold starts down to -25°C and maintains thickness during high-heat operation up to 150°C, keeping your engine clean and components safe from wear.

Key specs include ACEA A3/B3, A3/B4, API SL/CF, MB 229.1, VW 501.01, and VW 505.00 approvals, making it perfect for turbocharged or naturally aspirated engines. This 1-liter bottle offers excellent thermal stability and quick neutralization of harmful engine acids for everyday driving.

• Engine Cleanliness: Prevents sludge buildup for longer life.
• Component Protection: Shields pistons, valves, and bearings from friction.
• Year-Round Use: Flows easily in winter, stays strong in summer heat.

When to Use / Replace?

Use this oil in vehicles up to 15 years old or 250,000 km driven. Ideal for normal driving in temperatures from -30°C to 40°C. Replace every 10,000-15,000 km or 12 months to maintain peak performance and avoid breakdowns.

Shelf life is 5 years when stored in a cool, dry place. Check your owner's manual for exact intervals based on your driving conditions.

FAQ

Is WOLF ESSENTIAL SL/CF 10W40 B4 suitable for my VW diesel?
Yes, it meets VW 505.00 and 501.01 specs, providing stable lubrication for direct-injection diesels like TDI engines.

Can I use it in high-mileage cars?
Absolutely, its high thermal stability protects older engines with up to 300,000 km, reducing wear and oil consumption.

How often should I change the oil?
Change every 10,000-15,000 km or annually, or sooner if towing or in dusty conditions for best engine health.