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GM Semi Synthetic SAE 10W-40As low as €5.50- semi-synthetic engine oil
- meets ACEA A3 / B4
- suitable for Opel vehicles
All lubricants for your car - buy at ATO24!
For reliable, safe and low-wear operation, the right lubricants and operating fluids are essential for a car, be it a passenger car or commercial vehicle. Lubricants and operating materials are mainly classified as liquids, such as oils and coolants, as well as more solid substances such as greases. The wear protection and performance development of a vehicle are subject to several different properties of these substances. An essential function of oil or grease is obvious: the lubrication of vehicle components such as engine, transmission, steering and chassis. This contributes to achieving the desired performance and protects the vehicle from wear and tear. Another, but equally important, function quickly fades into the background: cooling the components. Especially in the engine and transmission, the cooling function of the oil is existential, alongside the coolant in the vehicle's water circuit! Operating fluids such as brake fluid or hydraulic fluids play a key role in the safety of a vehicle. These are also exposed to high thermal and physical loads, which is why consistent performance is important. ATO24 is your competent partner from refilling the engine oil to the complete engine, coolant or transmission oil change. In the ATO24 online shop you can get high quality engine oils and transmission oils for automatic transmissions, manual transmissions, as well as differential and transfer cases in a large selection of over 30 brands at reasonable prices. In addition, our product portfolio offers power steering, hydraulic and brake fluids according to various specifications for purchase, in order to have the right fuel for every vehicle. ATO24 is specialized in offering suitable lubricants for almost every car. With a wide range of products of well-known lubricant manufacturers and OEM products of various car manufacturers, our product range is specialized in oils, greases and other operating fluids for European cars, especially for American cars, US-Cars and passenger cars of Asian brands. A large selection of additives with cleaning, protective or performance-enhancing effects at favourable prices completes the range of products.
Buy 10W-40 Oil: Huge selection, top prices
In the ATO24 online store you get exactly the right 10W-40 engine oil for your vehicle! In addition to top prices, we offer you reliable advice and help you find the right 10W-40 oil.
The viscosity SAE 10W-40 belongs next to 5W-30 to the most demanded engine oil viscosity. But what exactly does 10W-40 actually mean and why are there so many different oils despite the same viscosity? We will clarify these and other questions in the course of this blog article.
What does 10W-40 mean?
10W40 stands for a multigrade viscosity. Correctly written out as 10W-40, the two viscosity indexes given, 10W and 40, refer to all-season use (suitability for winter and summer use). These multigrade oils were developed over 50 years ago and were intended to replace the procedure of having to change oil at summer and winter time. The viscosity specification in cold (10W) and warm (40) viscosity indicates the oil's flowability at high and low temperatures.
10W stands for the flowability in winter (this is where the W index comes from). The value 10 is not a directly measurable value of a certain unit but an index number. The lower the number before the W, the better the flowability at cold temperatures and cold starts. A 5W-30 engine oil therefore has better flow properties in cold conditions than a 10W-40 engine oil.
The number 40 stands for the flowability of the oil at a temperature of 100 degrees Celsius. Again, the lower the number, the lower the viscosity at a temperature of 100 degrees. Accordingly, a 10w40 engine oil is more viscous than a 0W-30 engine oil.
Buy 10W-40: Here's what to keep in mind!
Even if the vehicle manual recommends a 10w-40 engine oil, the right 10W40 oil is not immediately found. When buying a 10W-40, attention must be paid to the prescribed specification and release. They represent the particular chemical properties of an oil.
10W-40 engine oil approvals
As always, your vehicle may require a release in addition to the 10W-40 viscosity. These approvals are listed on the bottle label next to the specifications. The best known approvals are those of BMW (e.g. LL-04), VW (e.g. VW 507 00) and Mercedes Benz (e.g. MB 251.0). The approvals with the engine oil are comparable with a quality seal of the automobile manufacturers. Thus this manufacturer issues a certain chemical characteristic of oils, which must be fulfilled, in order to be permissible for the cars from the own product series.
What engine oil approvals occur together with viscosity SAE 10W-40? Among many others, are common engine oils of the following releases and recommendations 10W-40 engine oils:
- BMW Special Oil 10W-40 Engine Oil
- Mercedes-Benz MB 229.1 10W-40 Engine Oil
- VW 505 00 10W-40 Engine Oil
What is the difference between 10W-30 and 10W-40?
Both viscosities share the winter property "10W", which means that they have the same properties at low temperatures and cold start. The indices 30 and 40 refer to a difference at high temperatures. Thus, the 10W-40 shows a slightly higher viscosity at high operating temperatures. This difference can be advantageous if the engine has oil losses with a 10W-30 motor oil.
Buy Opel engine oil at ATO24
The US automotive group General Motors (GM) is one of the best known manufacturers in the world. However, the globally active corporation is not only known for its cars, but also for its specially developed engine oils.
Engine oils for Opel vehicles have for some time been based on the GM engine oil release, or more precisely: the GM dexos engine oil approvals.
GM Dexos 1 Gen. 2 release - for most Opel vehicles
The manufacturer GM has further developed the generally known release "GM Dexos 1" and reacted with it to news that it came with the old formulation of the oil again and again to unforeseen engine damages. The damage was often caused by premature ignition of the fuel in the combustion chamber. "GM Dexos 1 Gen. 2" is now intended to prevent this possible damage.
What has changed with GM Dexos 1 Gen. 2?
The damage caused by premature ignition of the fuel can have fatal consequences for the engine, as it causes repeated knocks in the respective combustion chamber and thus causes the piston, as well as the seals, to wear out and deteriorate. These misfires can ultimately lead to total engine failure. Only a timely oil change to the oil with the correct release, in this case GM Dexos 1 Gen.2, can stop further wear and protect your engine again extensively.
In addition to the improvement in the area of engine protection, the new release also further raised the standards for oils in other areas. Engine oils with GM Dexos 1 Gen. 2 approval now meet higher and better standards. Both engine cleanliness and protection against wear have been significantly improved. Especially the cleanliness of the engine helps not only the engine itself, but also the environment, since harmful exhaust gases can be avoided to a large extent.
In addition, with the optimization of the oil should also withstand the stricter requirements of the EURO 6 standard. The EURO 6 standard was launched by the EU back in 2014 and has been continuously refined and improved ever since. The EURO 6 describes the corresponding standard, which is currently issued for diesel vehicles. And thus provides a window for car and oil manufacturers in which appropriate exhaust emission values from the aggregates may arise.
Vehicles that require GM Dexos 1 Gen. 2
For the following vehicles GM prescribes to change the engine oil to a product with the release "GM Dexos 1 Gen. 2". This ensures that the engine is still fully protected and that no premature ignitions can occur in the combustion chambers of the month.
| Model | Engine | Built year |
| Opel ADAM | B10XFT (LE1) | 2015 |
| Opel ADAM | B14NEH (LUJ) | 2015 |
| Opel Astra J | A/B14NET/L/LPG (LUJ) | 2010 |
| Opel Astra K | B14XFL/T(LE2) | 2016 |
| Opel Astra K | B14XFLT (LE1) | 2016 |
| Opel Cascada | A/B14NET/L (LUJ) | 2013 |
| Opel Corsa D | A14NEL (LUH) | 2013 |
| Opel Corsa E | B10XFL/T (LE1) | 2015 |
| Opel Corsa E | B14NEH/J (LUJ) | 2015 |
| Opel Crossland X | Alle Benzinmotoren (LEG, LES, LEZ) | 2017 |
| Opel Grandland X | Alle Benzinmotoren (LES, LHI) | 2018 |
| Opel Insignia A | B20NHT (LTG) | 2014 |
| Opel Insignia A | A/B14NET/LPG (LUJ) | 2012 |
| Opel Insignia B | B15XFT (LFV) | 2018 |
| Opel Insignia B | B20NHT (LTG) | 2018 |
| Opel Meriva B | A/B14NEL/LPG (LUH) | 2010 |
| Opel Meriva B | A/B14NET (LUJ) | 2010 |
| Opel Mokka X | 4XFL/T (LE2) | 2017 |
| Opel Mokka, Mokka X | A/B14NET/LPG (LUJ) | 2013 |
| Opel Zafira C | A/B14NET/L/LPG (LUJ) | 2012 |
Buy GM and OPEL engine oil in the online store of ATO24 - Super advice and great value for money!
As an online store that specializes in the lubricant business, ATO24 can offer you expert advice on a huge range of engine oils, transmission oils, etc. and respond to your personal wishes as well as specialties that need to be considered for your vehicle.
You are not sure which GM engine oil to use in your Opel or GM vehicle? Our service team is at your disposal every day and will give you reliable information that will allow you to purchase the correct fuel for your car. Simply contact us through the indicated channels.
