Royal Purple 01520 API-Licensed SAE 5W-20 High Performance Synthetic Motor Oil - 1 Quart (Pack of 2)
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Availability:
12 left in stock
Arrives
Sunday, Jun 8
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Size: 32 Fl Oz (Pack of 2)
Features
- The information below is per-pack only
- Better wear protection
- Increased protection against LSPI
- Increased fuel efficiency
- Better protection for vehicle exhaust emissions equipment
- Improved compatibility with fuels containing ethanol
- Superior corrosion protection
Viscosity: 5w-20
Brand: Royal Purple
Manufacturer: Royal Purple
Manufacturer: Royal Purple
Brand: Royal Purple
Item Weight: 2 pounds
Product Dimensions: 4 x 2 x 8.75 inches
Item model number: ROY01520
Is Discontinued By Manufacturer: No
Manufacturer Part Number: 1520
Viscosity: 5w-20
Date First Available: August 4, 2023
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Sunday, Jun 8
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Size: 12 Quart (384 Ounces)
Best oil out there! Want better gas mileage and higher performance? Use Royal Purple and see for yourself. I use the 5w20 in a 2005 Dodge Ram 1500 with the 5.7 HEMI. It cost more because your getting more in every quart. Try it and like me you won't use any thing else in your car or truck. See Facts that I researched before I started using Royal Purple. Do the research or try it for youself before you lend judgements on items or comments by those who have. Of course, buyer always beware. Research: The racing markets associate outstanding quality and superior performance with Royal Purple®. This reputation has been earned through Royal Purple's® relentless pursuit of lubrication excellence. Royal Purple® formulates the most advanced lubricants available on the market today. Synthetic oils enable Royal Purple® to make superior lubricants; however, it is Royal Purple's noncorrosive, proprietary Synerlec® additive technology that provides Royal Purple® lubricants with their amazing performance advantages. Synerlec® additive technology truly is beyond synthetic. Royal Purple's® Synerlec® additive technology forms a tough, ionic, chemical film on all lubricated parts greatly enhancing the oil's performance. Royal Purple® manufactures a wide range of high performance, synthetic lubricants for every use from top fuel dragsters to the family car, motorcycles, trucks, RVs and boats. Its industry experts are consistently developing products that outperform leading mineral- and synthetic-based lubricants in performance and protection. Numerous independent tests document performance gains by using Royal Purple lubricants. The sampling of results below are categorized by the performance gains reported. [...] Tests Documenting Horsepower (hp) and / or Torque Gains: Just In! - Drag Sport magazine: hp gain of 2.5% D & D Performance Enterprises: hp gain of 1.2%, torque gain of 1.3% Diesel World magazine: hp gain of 3.2% GM High-Tech Performance magazine: hp gain of 10+, torque gain of nearly 12 ft-lbs Oklahoma State University: diesel engine gain of 2.8% hp Sport Truck magazine: hp gain of 5%, torque gain of 12 lb-ft Tests Documenting Fuel Economy Improvements: Diesel World: fuel economy gain of 10% or 1.7 mpg fordtruckworld.com: fuel economy gain of 7.4% or 1.1 mpg North Carolina State University: gasoline engine fuel economy gain of 2.5% to 5.0% and diesel engine fuel economy gain of 1.5% to 3.7% Oklahoma State University: fuel economy gain of 4.4% Test Documenting Reduced Engine Wear: Insight Services: wear reduced by 80% and oil change intervals extended from once per race to every 3 races Tests Documenting Reduced Engine Heat: Longview Inspection: Max-Cycle reduced operating temperatures 24°F - 44°F Tests Documenting Reduced Emissions: North Carolina State University: diesel engine emissions reduced 17%-34% and gasoline engine emissions reduced 29% (city) and 62% (highway) Oklahoma State University: diesel engine emissions reduced 22% [...] [...] I should have included this in the first review.
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Reviewed in the United States on April 18, 2009 by M. Wilson
Size: 12 Quart (384 Ounces)
I have a 1998 ford taurus with 156,000 miles on it. I have been running RP since my mother gave me the car at 120,000 miles. Since then, this car has been resurrected from death. It may be due to the synthetic oils in general, but there is still something to be said about RP specifically. Royal Purple has a high film strength. That property is the single reason for its lubricating superiority -- which results in more horsepower, less friction, less emissions, greater efficiency, and greater fuel economy. I've been using the k&n air filter, RP synthetic, and the RP oil filter. On the drive from Columbus to Philadelphia, the total number of miles traversed over the number of gallons used was equivalent to 30 miles per gallon. This car, stock, was designed to get an EPA estimated 27 miles per gallon. This improvement is no doubt due to a combination of factors including aftermarket iridium bosch spark plugs, royal purple synthetic oil & filter, and the k&n air filter. If you look up the falex lubricity test of this oil compared to the other major synthetic brands, you find that RP is demonstrated to outperform.. However, it's not clear that the all of the independent variables in the experiment were controlled. Specifically heat may not have been controlled, and as the third trial was conducted on RP, there is the possibility that the data was manipulated to give RP an advantage.. If that doesn't make sense without a visual, just search royal purple on youtube and you'll find a few experiments done by royal purple and its competitors on oil film strength.. Think about it, and you'll see what I mean. All I'm saying is RP needs to make more of an effort to demonstrate proper use of the scientific method with their extraordinary claims. After all, extraordinary claims require extraordinary inscrutable evidence. This product came in an amazon box, with the royal purple box of twelve one quart oil bottles within that. Very satisfied for what I ordered.
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Reviewed in the United States on August 9, 2012 by Anthony Anthony
Size: 12 Quart (384 Ounces)
I'm no car expert. In fact my first car blew up because I didn't know I was supposed to feed it oil at all, but that turned out to be great incentive to learn more about oils! Now, having tried various oils over the past 10 years, I only use Royal Purple whenever possible for a number of reasons: - My car immediately ran smoother and quieter when I switched to Royal Purple - Conveniently, I only have to change my oil every 8,000 to 10,000 miles - Though it costs more per quart, I save money in the long-run due to much less frequent oil changes - Synthetic oils don't seem to gunk up my car's inards nearly as much as organics I also only use Royal Purple in my transmission and differentials. The ironic part of all this is that I work in the oil industry, and most of the people I work with and talk to say to use synthetics. I've shopped around quite a bit, and it seems the prices don't vary much, unless you purchase by the case (12). Amazon is your best bet for that.
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Reviewed in the United States on November 9, 2009 by Andy Shelton
Size: 5 Quart (160 Ounce), (Pack of 3)
Royal Purple 54520 API-Licensed SAE 5W-20 High Performance Synthetic Motor Oil - 5 Quart, (Case of 4) Case of 4!!!! NO its a case of 3. Change your listing title Amazon. Good oil but BS listing.
Reviewed in the United States on January 14, 2025 by dubs dubs