- 5w40 motor oil is a multi-grade oil that has a viscosity rating of 5 at low temperatures and 40 at high temperatures1. The "W" stands for "winter" and indicates the cold rating1. 5w40 motor oil is thicker and more lubricating than average motor oil23. It can be used instead of 5w30 oil in most cases, as it provides better protection for the engine, especially during cold starts3.
Learn more:✕This summary was generated using AI based on multiple online sources. To view the original source information, use the "Learn more" links.Oils with two numbers, such as 5W-40, are multi-grade oils; they exhibit the characteristics of an oil with a viscosity rating of 5 at zero degrees Fahrenheit and the characteristics of an oil with a viscosity rating of 40 at 212 degrees Fahrenheit. The "W" indicates that the first number is the "cold" or "winter" rating.itstillruns.com/5w40-motor-oil-mean-10039133.htmlThe 5w40 motor oil is thin if you compare it with a 10w40 motor oil. This motor oil is made to seep into the moving parts of the engine. So the number forty means the thickness of the motor oil. With this, the 5w40 motor oil is thicker than your average motor oil. Therefore, it lubricates any engine better than your average motor oil.piketransit.com/5w40-vs-10w40-engine-oil/If you find yourself asking whether can I use 5w40 oil instead of 5w30, the answer is yes, in most cases. 5w40 oil is thicker than 5w30 oil, and provides better protection for your engine, particularly during cold starts.mechanicspick.com/5w40-vs-5w30-can-i-use-5w40 … O'Reilly Full Synthetic Motor Oil 5W-40 5 Quart 80131 - O'Reilly …
O'Reilly Synthetic Motor Oil is formulated for European engines and provides extra protection against city driving. It lowers friction, improves gas mileage, and resists thermal breakdown.
Other content from oreillyauto.comSTP Full Synthetic Engine Oil 5W-40 5 Quart - AutoZone
STP® full synthetic high mileage motor oil contains additives scientifically formulated to insulate your engine from the damaging effects of wear. STP …
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TRIAX Euro LX 5W-40 Full Syn Engine Oil - Compatible with BMW LL01, MB 229.5, 226.5, Audi/VW 502.00, 505.00, MS-12991, Porsche A40 (1 Quart)
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Mobil 1 FS European Car Formula 5W-40 helps to extend engine life, even in severe conditions, and protects critical engine parts for up to 10,000 miles between oil changes . Its uniform synthetic oil molecules reduce friction, …
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Mar 2, 2012 · Castrol® EDGE® Euro 5W-40 A3/B4 is an advanced full synthetic motor oil engineered to exceed manufacturer test limits ensuring the highest level of protection and maximum performance for European cars.
Mobil 1 Advanced Full Synthetic Motor Oil 5W-40 5 …
Approved for many Mercedes-Benz, VW, Audi and Porsche vehicles, this formula provides excellent turbocharged engine protection. Mobil 1 is America's leading synthetic motor oil brand at retail**, recommended by car builders and …
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Ford Genuine XO-5W40-5QSD SAE 5W-40 Full Synthetic Diesel Motor Oil - 1.25 U.S. Gal (4.73L), Single Pack
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