Royal Purple Duralec Super Diesel 15W40 CK-4 Motor Oil - 1 Gallon

Duralec Super motor oil is a high performance synthetic engine oil made for those diesel engines requiring the use of an emissions compliant oil for the 2007 and 2010 emissions equipment such as: DPF's, Catalytic Converters, EGR, and SCR injection with the ultra-low sulfur diesel fuels found in North America and Europe. Duralec Super motor oil is specifically formulated to maximize component life, extend drain intervals and improve fuel performance with excellent high temperature break down resistance and low temperature pumpability to minimize cold-induced startup wear.

• API-licensed CK-4 diesel motor oils
• Superior corrosion protection
• Reduces exhaust emissions
• Greater wear protection
• Improves fuel economy
• Keeps engines clean
• Will not harm seals

Royal Purple Duralec Super Diesel 15W-40 CK-4 Motor Oil is a high-performance synthetic engine oil designed specifically for diesel engines requiring emissions-compliant lubricants. This formulation is ideal for engines equipped with modern emissions control devices such as DPFs, catalytic converters, EGR systems, and SCR injection systems, utilizing ultra-low sulfur diesel fuels common in North America and Europe. The advanced synthetic blend helps maximize engine component life by reducing wear and extending drain intervals, which translates into reduced maintenance costs and improved operational efficiency. It also enhances fuel economy by promoting cleaner combustion and lower emissions, supporting compliance with stringent environmental standards.

Royal Purple’s Duralec Super Diesel 15W-40 offers excellent high-temperature breakdown resistance, ensuring reliable protection during demanding operating conditions. Its low-temperature pumpability minimizes cold-start wear, making it suitable for a wide range of climates. The oil is formulated to keep engines clean by preventing sludge and deposit buildup, and it provides superior corrosion protection for vital engine parts. This oil is compatible with engine seals and does not cause deterioration, ensuring long-lasting performance and reliability.

Designed for professional use, this 1-gallon container provides a convenient supply for fleet and individual diesel engine maintenance. It is API-licensed CK-4, meeting or exceeding industry standards for modern diesel engine oils. With its comprehensive feature set, Royal Purple Duralec Super Diesel 15W-40 helps ensure your diesel engine runs smoothly, efficiently, and in compliance with emission regulations, while also delivering durable wear protection and improved fuel performance.

Features:

• API-licensed CK-4 diesel motor oil for modern emissions systems

• Superior corrosion and wear protection for engine longevity

• Excellent high-temperature stability to prevent breakdown

• Low-temperature pumpability reduces cold-start wear

• Supports extended drain intervals and improved fuel economy

• Keeps engine components clean and free of sludge

• Compatible with seals, preventing leaks and deterioration