Royal Purple Duralec Super motor oil is a high performance engine oil made for emission-controlled diesel engines utilizing emissions equipment such as: DPF’s, Catalytic Converters, EGR, and SCR injection. Royal Purple Duralec Super is an API CK-4 engine oil. Royal Purple Duralec Super motor oil is specifically formulated to maximize component life, extend drain intervals and improve fuel performance. These premium lubricant formulations provide excellent high temperature resistance and low temperature pumpability, outstanding soot dispersancy, improved rust and corrosion protection, and prevention of varnish and sludge formation.

PERFORMANCE ADVANTAGES

• Greater wear protection
• Greatly extends oil drain intervals
• Superior corrosion protection
• Reduces exhaust emissions
• Keeps engines clean
• API-licensed CK-4 diesel motor oils
• Will not harm seals

OEM APPROVALS