Purpose and Specifications

WOLF GUARDTECH 10W40 B4 20L is a budget-friendly engine oil that protects European vehicles from FIAT, Mercedes-Benz, Renault, and VW. Its 10W40 viscosity flows smoothly in cold starts down to -25°C and stays thick up to 150°C for high-heat protection during towing or city driving.

Meets key specs like FIAT 9.55535-D2/G2, MB 229.1, RENAULT RN0700/RN0710, VW 501.01/505.00, ACEA A3/B3/B4, and API SN/CF. This 20-liter drum cleans engine internals, reduces wear on pistons and bearings, and boosts fuel efficiency in older engines over 75,000 km.

When to Use / Replace?

• Ideal for: Daily drivers, high-mileage cars (75,000+ km), stop-go traffic, or short trips under 8 km where oil picks up fuel and dirt faster.
• Replace every: 8,000-12,000 km or 6-12 months under normal use; shorten to 5,000 km or 6 months for dusty roads, towing, or idling to avoid sludge buildup.
• Shelf life: 5 years unopened in cool, dry storage.

FAQ

Can I use this in my high-mileage VW or Renault? Yes, it matches VW 501.01/505.00 and Renault RN0700/RN0710 for reliable protection in engines with wear.

Is 10W40 better for hot climates? Absolutely, it holds up to 150°C without thinning, perfect for summer heat or heavy loads.

How often change in city driving? Every 5,000-8,000 km or 6 months, as short trips age oil quicker.