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Royal Purple Duralec Super Diesel 15W40 CK-4 Motor Oil - 5 Gallon

Royal Purple
RLP05154
641330051548
Motor Oils
Out of stock
Engine, Motor Oil, Oil Systems
$ 224.99 $ 179.99

SKU: 05154   |   UPC: 641330051548

Royal Purple Duralec Super Diesel 15W40 CK-4 Motor Oil 5 Gallon

The Royal Purple 05154 Duralec Super Diesel 15W40 CK-4 Motor Oil is the best high performance synthetic diesel engine oil for 2007 and newer heavy duty applications requiring emissions compliant lubrication. Formulated with premium synthetic base stocks and Royal Purple proprietary additive technology, this oil maximizes component life, extends drain intervals, and improves fuel economy while providing excellent high temperature breakdown resistance and low temperature pumpability to minimize cold start wear. Ideal for over the road trucking, agriculture, construction, mining, and any diesel engine using ultra low sulfur fuel in North America or Europe.

Key Features

  • Emissions Compliant: Meets API CK-4 requirements for 2007 and 2010 emissions equipment including DPF, catalytic converters, EGR, and SCR systems
  • High Temperature Stability: Superior resistance to thermal breakdown for extended protection under heavy loads
  • Low Temperature Pumpability: Excellent cold flow properties reduce startup wear in winter conditions
  • Extended Drain Capability: Advanced formulation allows longer service intervals when used with oil analysis
  • 5 Gallon Pail: Convenient bulk size for fleet maintenance, shops, or frequent oil changes
  • Royal Purple Quality: Trusted synthetic performance for maximum engine protection and efficiency

Specifications

Specification Detail
Part Number 05154
Viscosity 15W40
API Rating CK-4
Size 5 Gallon Pail
Base Oil Premium Synthetic
Applications Heavy Duty Diesel Engines Requiring CK-4 15W40
Country of Origin United States
Warranty Limited (Royal Purple)
Shipping Weight Approx. 38 to 40 lbs

What's Included

  • 5 Gallon Pail of Duralec Super Diesel 15W40 CK-4 Motor Oil

Product Notes

  • 5 gallon pail provides convenient bulk supply for multiple oil changes or fleet use
  • Specifically formulated for modern diesel engines with emissions aftertreatment systems
  • Excellent choice for severe duty applications including towing, heavy hauling, and off road use

Installation Notes

  • Estimated time: Standard oil change procedure
  • Drain old oil, replace filter, fill with Duralec Super Diesel 15W40, check level
  • Professional oil change recommended for proper disposal and system bleeding if applicable

This Part Fits

Application Notes
Heavy Duty Diesel Engines 2007 and Newer Models Requiring API CK-4 15W40 (Cummins, Power Stroke, Duramax, etc.)
Common Over The Road Trucking, Agriculture, Construction, Mining, Fleet Vehicles

Why Choose Royal Purple Duralec Super Diesel 15W40?

  • Advanced synthetic formulation provides superior protection and extended drain intervals
  • Excellent high temperature stability and low temperature flow for all season performance
  • Limited warranty trusted heavy duty diesel oil from Royal Purple

Frequently Asked Questions

  • Q: Is this oil suitable for my 2020 Ram 2500 Cummins?
    A: Yes, Royal Purple Duralec Super Diesel 15W40 meets API CK-4 specifications for modern diesel engines.
  • Q: Can I extend oil change intervals?
    A: Yes, the premium synthetic formulation often allows extended drains when used with oil analysis.
  • Q: Is the 5 gallon pail easy to pour?
    A: Yes, the pail includes a built-in handle and pour spout for clean dispensing.
  • Q: What is the warranty?
    A: Covered by Royal Purple limited warranty built for heavy duty applications.

Shipping & Handling

  • Method: UPS / FedEx Ground (Hazardous Material Oil)
  • Availability: In stock ships same or next business day
  • Packaging: Secure protective packaging
  • Weight: Approx. 38 to 40 lbs

Request For Information

Have questions about Royal Purple Duralec Super Diesel 15W40 CK-4 Motor Oil - 5 Gallon? Fill out the form below and we'll get back to you by the next business day.
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