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The API SL specification was introduced in 2001 by the American Petroleum Institute for petrol engines in light-duty vehicles. This includes passenger cars, vans, and light lorries and trucks. It’s a general-purpose specification engine oil designed to provide reliable protection under normal manufacturer-recommended daily use.
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114 Products (Viewing: 60 - 114 of 114)
One of the key advantages of API SL oil is its backward compatibility, meaning it can also be used in engines where earlier specifications, such as API SJ, are recommended. This makes it a versatile and trusted choice for many petrol-powered vehicles.
At Opie Oils, we stock a wide range of API SL engine oils from leading brands. This means you can be confident that your engine is receiving the protection it needs while maintaining performance and longevity. To ensure you select the correct API SL engine oil for your vehicle, use our vehicle lookup tool, which helps you find oils that match your engine’s requirements quickly and accurately.
Shop our selection of API SL petrol engine oils today with fast UK delivery and expert support from our team.