GM 15W40 Mineral 5L Engine Oil - Reliable Protection for Your Opel Engine

Discover the GM 15W40 Mineral 5L engine oil, a premium choice from OPEL designed specifically for robust engine performance. This 5-liter mineral oil meets ACEA A3/B3 and API SL/CF specs, ensuring your engine stays clean and protected during everyday driving.

Purpose and Specifications

Engineered by OPEL (part number 1942050), this 15W-40 mineral oil flows smoothly at cold starts down to -20°C for quick protection and maintains thickness up to 150°C in hot conditions, preventing wear on pistons, bearings, and cylinders. Its strong detergents keep sludge and deposits away, while anti-wear additives shield critical parts. Perfect for turbo and naturally aspirated petrol/diesel engines in mixed fleets or highway use, it offers high oxidation resistance for longer-lasting lubrication.

• Flows easily in cold weather (-20°C startup)
• Stays strong in heat (up to 150°C)
• Cleans engine internals to reduce wear
• 5L volume for full oil changes

When to Use / Replace?

Use this oil in older GM/Opel vehicles, diesel trucks, or high-mileage engines needing dependable protection. Ideal for normal operating conditions, highway cruising, or light off-road. Replace every 8,000-12,000 km or 6-12 months, whichever comes first, to maintain peak performance. Shelf life is up to 5 years when stored cool and dry.

FAQ

Is GM 15W40 Mineral suitable for my Opel diesel engine?
Yes, it meets OPEL specs for turbo and naturally aspirated diesels, providing excellent wear protection and cleanliness.

Can I use it in cold climates?
Absolutely, the 15W rating ensures easy pumping at -20°C for reliable cold starts without dry wear.

How often should I change it?
Change every 8,000-12,000 km or 6-12 months to keep your engine running smoothly and extend its life.