Royal Purple Duralec Super Diesel 15W-40 CK-4 Motor Oil – 1 Gallon

Description

The Royal Purple Duralec Super Diesel 15W-40 CK-4 motor oil is a high-performance synthetic lubricant designed specifically for diesel engines equipped with emissions control devices such as DPFs, Catalytic Converters, EGR, and SCR systems. Formulated to meet API CK-4 standards, this oil provides exceptional protection and performance in modern diesel engines operating on ultra-low sulfur diesel fuels commonly found in North America and Europe. Its advanced formulation helps maximize engine component life, extend drain intervals, and improve fuel efficiency by reducing emissions and enhancing engine cleanliness. The oil features excellent high-temperature breakdown resistance for reliable operation under demanding conditions and low-temperature pumpability to reduce startup wear during cold starts. This ensures your engine remains protected and efficient, regardless of operating environment or load conditions.

Features:

• API-licensed CK-4 diesel motor oil for modern engines

• Superior corrosion protection to extend engine life

• Reduces exhaust emissions for environmentally compliant operation

• Greater wear protection to minimize engine component damage

• Improves fuel economy by optimizing combustion efficiency

• Keeps engines clean, preventing deposits and sludge buildup

• Will not harm engine seals, ensuring long-term sealing integrity