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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

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

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

Duralec Ultra combines premium base oils with Royal Purple’s proprietary additive technology, Synerlec, to create a high-performance motor oil that optimizes engine performance and provides superior protection in rigorous on/off highway applications. Synerlec provides unsurpassed film strength and lubricity – up to 4X more than top competitors. In addition, advanced synthetic solvency reduces engine deposits and keeps engines clean. The net result is a better performing engine, with reduced downtime and lower cost of ownership. Royal Purple recommends for use in a variety of heavy-duty applications including commuting, over-the-road trucking, agriculture, construction and mining.

• Extraordinary performance in older generation, high-output diesel engines
• Maximum wear protection – up to 33% better than CK-4 requirements
• Extended oil life – up to 40% better than CK-4 requirements
• Improved cold flow operation and start-up protection
• Reduced oil consumption

Duralec Ultra combines premium base oils with Royal Purple’s proprietary additive technology, Synerlec, to create a high-performance motor oil that optimizes engine performance and provides superior protection in rigorous on/off highway applications. Synerlec provides unsurpassed film strength and lubricity – up to 4X more than top competitors. In addition, advanced synthetic solvency reduces engine deposits and keeps engines clean. The net result is a better performing engine, with reduced downtime and lower cost of ownership. Royal Purple recommends for use in a variety of heavy-duty applications including commuting, over-the-road trucking, agriculture, construction and mining.

• Extraordinary performance in older generation, high-output diesel engines
• Maximum wear protection – up to 33% better than CK-4 requirements
• Extended oil life – up to 40% better than CK-4 requirements
• Improved cold flow operation and start-up protection
• Reduced oil consumption

Duralec Ultra combines premium base oils with Royal Purple’s proprietary additive technology, Synerlec, to create a high-performance motor oil that optimizes engine performance and provides superior protection in rigorous on/off highway applications. Synerlec provides unsurpassed film strength and lubricity – up to 4X more than top competitors. In addition, advanced synthetic solvency reduces engine deposits and keeps engines clean. The net result is a better performing engine, with reduced downtime and lower cost of ownership. Royal Purple recommends for use in a variety of heavy-duty applications including commuting, over-the-road trucking, agriculture, construction and mining.

• Extraordinary performance in older generation, high-output diesel engines
• Maximum wear protection – up to 33% better than CK-4 requirements
• Extended oil life – up to 40% better than CK-4 requirements
• Improved cold flow operation and start-up protection
• Reduced oil consumption