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Find the right API oil for your vehicle at Opie Oils. The American Petroleum Institute (API) has been at the forefront of development for petroleum and petrochemical equipment and operating standards for over 75 years. If you are looking for an engine oil or gear oil and know the API grade you want, start here
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Choosing the right API engine oil is essential for maintaining your vehicle’s performance and longevity. At Opie Oils, we stock a comprehensive selection of API oil grades for both petrol and diesel engines. We offer SN, SP, CJ-4, CG-4 oil, and more from leading manufacturers like Castrol, Motul, PETRONAS, and Shell.
Not sure which API oil specification your engine needs? Our easy-to-use vehicle lookup tool can identify the correct oil based on your registration number. Alternatively, our friendly experts are always on hand to provide personalised recommendations to ensure you get the perfect match for your car, van, or motorcycle.
Need more oils and fluids for your vehicle? Explore our full collection now for more car engine oil, as well as additives, power steering fluid, antifreeze, differential oil, axle oil, and gearbox oil.
Shop API engine oil today at Opie Oils and take advantage of free UK delivery on orders over £80, plus fast, reliable shipping backed by our no-leak guarantee.