Royal Purple Duralec Ultra Diesel 15W-40 CK-4 Motor Oil - 1 Gallon
The Royal Purple Duralec Ultra Diesel 15W-40 CK-4 Motor Oil is engineered specifically for diesel engines requiring high-performance lubrication. Designed to meet CK-4 specifications, this oil offers exceptional wear protection and engine cleanliness, ensuring your diesel engine operates smoothly and efficiently. Its advanced formulation provides excellent oxidation stability and shear resistance, which helps extend oil change intervals and improve engine longevity. Suitable for a wide range of heavy-duty diesel applications, it supports optimal engine performance under demanding conditions.
Royal Purple's proprietary additive technology ensures superior deposit control and reduces sludge buildup, keeping vital engine components clean and functioning at peak efficiency. The 1-gallon container makes it convenient for fleet operators and automotive professionals to maintain proper oil levels and ensure consistent engine protection.
Ideal for use in modern diesel engines that require a CK-4 rated oil, this product also complies with relevant industry standards, providing peace of mind for vehicle owners and mechanics alike. Its formulation helps minimize engine wear, optimize fuel economy, and support the reliability of your diesel-powered machinery.
Features:
* Engineered for diesel engines requiring CK-4 specifications
* High-performance 15W-40 viscosity for optimal lubrication
* Exceptional wear protection and deposit control
* Advanced formulation for oxidation stability and shear resistance
* Supports extended oil change intervals and engine longevity
* Suitable for a variety of heavy-duty diesel applications
* Convenient 1-gallon container for easy handling and maintenance
Fitment Disclosure
This fitment information is provided to you based on the manufacturer's information. Consult manufacturer publication(s) and/or website(s) for specific fitment and other important application information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the information provided.
General Safety Warning
Failure to follow manufacturer's recommendations and requirements can cause product failure resulting in serious injury or death. While effort has been taken in collecting accurate fitment information, Witchdoctors Billet Specialties LLC accepts no liability for loss or damage resulting from errors or omissions. If you believe any of the information provided is erroneous, please email: Fitment@buywitchdoctors.com
Qualifying Retail orders $159.99 or more will receive free ground shipping. Free Shipping Terms and conditions.
All orders over $500 will require a signature.
Please see International Shipping page for orders shipping outside the US.
See our full Shipping Policy page for further details.
We show real time product availability. These products normally ship the same business day but may ship from one of our warehouses across the country. If an item requires additional processing time you will be notified.
If your order arrives and it is not right, we will we'll fix it. We promise!
Doesn't fit or just not happy with it? You can return any new, unopened, unused or unaltered item within 30 business days of delivery receipt of your item. We will issue a refund to your original payment method.
See our full Return Policy for all of the pertinent details.