Description
Royal Purple Motor Oil Combines premium base oils with proprietary additive technologies to create high performance motor oils that optimize engine performance and provide superior protection. No special procedures are necessary when upgrading to Royal Purple. Royal Purple motor oil is fully compatible with mineral or other synthetic oils. Royal Purple recommends waiting until the manufacturer’s first scheduled oil change in new gasoline engines before upgrading to Royal Purple. Royal Purple’s API licensed motor oil delivers superior protection and improves performance in gasoline and diesel engines. Royal Purple’s API SN licensed motor oil meets ILSAC GF-5 and Dexos1 1 performance requirements.
From the manufacturer
Royal Purple offers the highest performing engine oils available for diesel engines.
Royal Purple Duralec Super carries the latest API CK-4 heavy-duty engine oil license as well as current OEM oil specifications and approvals. The Duralec Super formulations offer the highest performance and greatest protection available to stay complaint with OEM requirements for heavy-duty engine oils.
When comparing Duralec Super and Duralec Ultra the optimal choice depends on the vehicle application:
- If strict OEM compliance requirements are of importance, Duralec Super offers unsurpassed protection in a fully OEM-compliant formulation, Duralec Super is a truly exceptional, though restricted, heavy duty diesel engine oil.
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Outstanding protection against deposit and sludge formation, ensuring continued engine performance during all operating and weather conditions |
Protection against valve train, cylinder liner and piston ring wear, reduces engine power loss and helps maintain maximum efficiency |
Superior thermal and oxidation control prevents oil degradation, bearing corrosion and provides longer oil life |
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