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Royal Purple 80540 is the exact Duralec Super synthetic motor oil shown in this listing, supplied as a case of 3 x 1 gallon. Select it by the required fluid specification, viscosity, service category, component compatibility, and package quantity rather than by vehicle name alone.
Key Features
- Royal Purple Duralec diesel-engine oil line
- CK-4 service category shown for this product
- Viscosity identified in the product title
- Diesel-engine approval and interval require verification
Compatibility
This is a universal specification-based product and does not receive year, make, or model fitment tags. Confirm the exact fluid specification, viscosity, service category, system capacity, material compatibility, and current manufacturer instructions before use.
Specifications
| Brand | Royal Purple |
|---|---|
| Manufacturer Part Number | 80540 |
| Product Line | Duralec Super |
| Product Type | Synthetic Motor Oil |
| Viscosity | 5W-40 |
| Package | Case of 3 x 1 Gallon |
| Fitment Type | Universal specification based |
| Condition | New |
What's Included
One new Royal Purple manufacturer package for part number 80540, containing case of 3 x 1 gallon. Tools, filters, service equipment, and additional fluids are not included unless expressly stated.
Brand Information
Royal Purple develops performance lubricants and vehicle fluids for street, racing, diesel, and specialty service. Product selection must follow the exact component specification and current service documentation.
Related Royal Purple Products
- Shop all Royal Purple products
- Royal Purple Duralec Super Diesel 10W-30 CK-4 Motor Oil - Case of 3 x 1 Gallon
- Royal Purple Duralec Super Diesel 10W-30 CK-4 Motor Oil - 5 Gallon Pail
- Royal Purple Duralec Super Diesel 15W-40 CK-4 Motor Oil - Case of 3 x 1 Gallon
Frequently Asked Questions
How do I confirm Royal Purple 80540 is correct for my engine?
Match the required viscosity, service category, engine type, operating use, and current vehicle or engine-builder instructions.
Is this listing for one bottle?
No. Manufacturer part number 80540 is packaged as case of 3 x 1 gallon.
How much oil should I order?
Confirm the service-fill capacity, filter and cooler volume, expected service loss, and package quantity before ordering.
Use Instructions
Follow the current Royal Purple instructions for part number 80540 and the vehicle or component manufacturer's service procedure. Confirm compatibility, capacity, preparation, safety requirements, fill or treatment method, final level or operation checks, cleanup, storage, and disposal.
