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World's Toughest Motor Oil for Diesel Engines
NEW! Experience Superior Film Thickness, Oxidation Control, and Extended Drain Intervals

Enhanced Lubrication:
• Provides higher oil film thickness for optimal lubrication and reduced engine wear.

 

Advanced Oxidation & Soot Control:
• Improved oxidation control at high temperatures and enhanced soot handling for cleaner operation.

 

Superior Stability:
• Delivers exceptional shear stability performance in all diesel engines for consistent protection.

 

Extended Drain Intervals:
• Built on an API Service Category CI-4 Plus base oil, fortified with SFR technology for prolonged oil life.

 

Engine Life & Efficiency:
• Extends engine life, reduces emissions, and improves fuel economy for peak performance.

 

Next-Generation Compatibility:
• Perfect for modern diesel engines featuring EGR and ACERT systems, meeting all major manufacturer specs.

 

Eco-Friendly SFR Green:
• Reduces emissions, extends drain intervals to conserve oil resources, and offers improved biodegradability compared to conventional lubricants.

 

SFR Ultimate Series Synthetic Blend Diesel Motor Oil 15W40

SKU: S315W402
$38.95Price
Quantity
    • Meets the needs of today's high-performance, fuel efficient, low emission diesel engines
    • Superior cold flow properties for easier starting in cold weather
    • Enhanced oxidation stability, outstanding valve train wear and deposit control
    • Oil consumption control through prevention of deposits
    • Overall increased engine protection

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Store Location

SFR Corporation

P.O. Box 457

Whitehall, MT 59759

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