Royal Purple Duralec Ultra 15W-40 CK-4 Diesel Motor Oil | 5 Gallon

Royal Purple Duralec Ultra 15W-40 CK-4 Diesel Motor Oil is a premium heavy-duty engine oil built for demanding diesel applications. This 5 gallon pail is formulated with Royal Purple’s Synerlec additive technology to help improve film strength, lubricity, deposit control, and engine protection in on-highway and off-highway service.

Duralec Ultra is recommended for heavy-duty diesel use in commuting, over-the-road trucking, agriculture, construction, and mining applications. It meets or exceeds API CK-4, CJ-4, and CI-4+ performance requirements for heavy-duty diesel engine oils.

Key Features

• 5 gallon pail of Royal Purple Duralec Ultra 15W-40 diesel motor oil
• Meet Requirement of API Service CK-4, CJ-4, and CI-4+ heavy-duty diesel oil performance
• Synerlec technology for increased film strength and lubricity
• Designed for older generation, high-output diesel engines
• Helps improve cold-flow operation and start-up protection
• Helps extend oil life, reduce oil consumption, and keep engines clean

Recommended For

• ACEA E7-16 & E9-16
• CAT ECF-1, ECF-2 & ECF-3
• Cummins CES 20076, 20077, 20078, 20081 & 20086
• Daimler MB 228.3 & MB 228.31
• Detroit Diesel DFS 93K214 & DFS 93K222
• Ford WSS-M2C171-F1
• Mack EO-N Premium Plus & EO-S 4.5
• MTU 2 & 2.1
• Renault RLD, RLD-2 & RLD-4
• Volvo VDS-3 & VDS 4.5

Product Details

• Viscosity: 15W-40
• Container Size: 5 Gallon Pail
• Royal Purple Part Number: 85561
• Velocity Shop SKU: RLP85561
• Barcode: 641330855610

Always confirm oil viscosity and specification requirements for your engine before ordering.