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.

Feature 1: Greater wear protection
Feature 2: Greatly extends oil drain intervals
Feature 3: Superior corrosion protection
Feature 4: Reduces exhaust emissions
Feature 5: Keeps engines clean
Feature 6: API-licensed CK-4 diesel motor oils
Feature 7: Will not harm seals
Fitment Type: Performance/Custom
Fuel Type: Diesel
Manufacturer Part Number: 5154
MPN: 5154
Oil Viscosity: 15W-40
Package Quantity: 1 Pail
Part Type: Fuel Pumps
Placement on Vehicle: Lower
Series: Duralec Super
Type: Motor Oil
Volume: 5 Gallons
Warranty: Unspecified Length
Brand: Royal Purple