Product information
Royal Purple Duralec Super Diesel Engine Oil 15W-40 CK-4 (3 Gallons) offers enhanced wear protection and superior corrosion resistance to extend engine life. Its advanced formula improves fuel economy while reducing exhaust emissions, supporting cleaner operation. This API-licensed CK-4 oil maintains engine cleanliness and is compatible with seals, preventing leaks and damage. Ideal for heavy-duty diesel engines, it delivers reliable performance under demanding conditions.
- Greater wear protection
- Improves fuel economy
- Superior corrosion protection
- Reduces exhaust emissions
- Keeps engines clean
- API-licensed CK-4 diesel motor oils
- Will not harm seals
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