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API Oil

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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396 Products (Viewing: 180 - 240 of 396)

Comma X-Flow Type MF 15w-40 Mineral Car Engine Oil
Opie Price
£35.95
Price Beater
Comma Xtech 5w-30 Fully Synthetic Car Engine Oil
Opie Price
£39.95
Price Beater
Fuchs TITAN Supersyn F Eco-B 5W-20 Ultra Synthetic Engine Oil
Opie Price
£40.99
Price Beater
Febi Bilstein SAE 5W-30 HC-FO Engine Oil
Opie Price
£45.95
Price Beater
Millers Oils EE Performance 5w-50 Fully Synthetic Engine Oil
RRP £66.95
£54.95
Price Beater
Millers Oils EE Performance 10w-60 Fully Synthetic Engine Oil
RRP £62.95
£52.99
Price Beater
Millers Oils Multifleet 15w-40 Mineral Heavy Duty Engine Oil
Opie Price
£31.99
Price Beater
Millers Oils Truckmaster 15w-40 Semi Synthetic Heavy Duty Engine Oil
Opie Price
£32.95
Price Beater
Comma X-Flow Type F Plus 5w-30 Fully Synthetic Car Engine Oil
Opie Price
£34.99
Price Beater
Castrol EDGE 0W-30 Fully Synthetic Car Engine Oil
Opie Price
£57.95
Price Beater
TotalEnergies Quartz 9000 5W-40 Synthetic Engine Oil
Opie Price
£40.99
Price Beater
Fuchs TITAN UNIMAX ULTRA MC 10W-40 Diesel Engine Oil
Opie Price
£39.95
Price Beater
Mobil Super 3000 X1 5W-40 Premium Fully Synthetic Engine Oil
Opie Price
£38.95
Price Beater
Fuchs TITAN FORMULA 15W-40 High Performance Mineral Engine Oil
Mobil Super 2000 Formula P 10w-40 Semi-Synthetic Engine Oil
Motul 8100 Power 5w-50 Fully Synthetic High Performance Ester Engine Oil
TotalEnergies Quartz Ineo Xtra Dynamics 0w-20 Synthetic Engine Oil
Opie Price
£59.95
Price Beater
Castrol MAGNATEC Hybrid 0w-20 Engine Oil
Opie Price
£75.95
Price Beater
Fuchs TITAN GT1 PRO FPW03 5W-30 Engine Oil
Opie Price
£47.95
Price Beater
TotalEnergies Quartz Ineo RCP 5w-30 Advanced Synthetic Engine Oil
Opie Price
£61.99
Price Beater
Shell Helix Ultra Professional AM-L 5w-30 Pure Plus Fully Synthetic Engine Oil
Motul 8100 X-Power 10w-60 Fully Synthetic Car Engine Oil
RRP £64.95
£63.95
Price Beater
Motul Classic 2100 15w-50 Semi Synthetic Car Engine Oil
Fuchs Titan Race Pro R 20W-50 Ester Fully Synthetic Engine Oil
Mobil Super 3000 X1 Formula FE 5w-30 Premium Fully Synthetic Engine Oil
Liqui Moly Special Tec V 0W-30 Synthetic Technology Engine Oil
Opie Price
£53.95
Price Beater
PETRONAS Syntium 7000 DME 0W-20 Fully Synthetic Car Engine Oil
Opie Price
£46.99
Price Beater
Millers Oils Classic Pistoneeze 15w-40 Engine Oil
RRP £47.99
£41.95
Price Beater
Shell Rimula R4 X 15W-40 Heavy Duty Diesel Engine Oil
Opie Price
£44.95
Price Beater
TotalEnergies Quartz Racing 10w-50 Engine Oil
Opie Price
£46.99
Price Beater
TotalEnergies Quartz Racing 10w-60 Engine Oil
Castrol MAGNATEC Professional A3 5W-40 Car Engine Oil
Opie Price
£48.95
Price Beater
Mobil 1 0W-20 Fully Synthetic Engine Oil
Opie Price
£64.99
Price Beater
Castrol MAGNATEC 5W-30 DX Fully Synthetic Car Engine Oil
Opie Price
£52.99
Price Beater
Selenia Sport 5w-40 Fully Synthetic Car Engine Oil
PETRONAS Syntium 3000 FR 5W-30 Fully Synthetic Car Engine Oil
Opie Price
£32.95
Price Beater
PETRONAS Syntium 5000 FR 5W-20 Fully Synthetic Car Engine Oil
Opie Price
£41.95
Price Beater
Mobil Super 3000 Formula F 5W-20 Premium Fully Synthetic Engine Oil
Comma X-Flow Type C 5w-30 Fully Synthetic Car Engine Oil
Comma Eco-V 0w-20 Fully Synthetic Car Engine Oil
Opie Price
£15.95
Price Beater
TotalEnergies Quartz 9000 NFC 5W-30 Synthetic Engine Oil
Opie Price
£37.99
Price Beater
Elf Sporti 9 5w-40 High Performance Synthetic Technology Engine Oil
Motul 8100 ECO-Lite 5w-30 Fully Synthetic Car Engine Oil
Valvoline SynPower FE 5W-20 Fully Synthetic Engine Oil
Opie Price
£38.95
Price Beater
Liqui Moly Special Tec V 0W-20 Synthetic Technology Engine Oil
Millers Oils EE Performance C2 ECO 0w-30 Fully Synthetic Engine Oil
RRP £63.95
£55.99
Price Beater
Millers Oils EE Performance C5 ECO 5w-20 Fully Synthetic Engine Oil
RRP £49.96
£45.95
Price Beater
Motul Classic Eighties 10w-40 Semi Synthetic Engine Oil
Motul Classic Nineties 10w-30 Semi Synthetic Engine Oil
Motul NGEN Hybrid 0w-20 Synthetic Car Engine Oil
RRP £15.95
£14.95
Price Beater
Motul NGEN Hybrid 0w-30 Synthetic Car Engine Oil
Liqui Moly Synthoil High Tech 5W-40 Fully Synthetic Engine Oil
Liqui Moly Synthoil Energy 0W-40 Fully Synthetic Engine Oil
Selenia Digitek 0w-40 Fully Synthetic Car Engine Oil
Valvoline SynPower MST C5 0W-20 Fully Synthetic Engine Oil
Opie Price
£65.95
Price Beater
Valvoline SynPower MST FE C6 0W-20 Fully Synthetic Engine Oil
Opie Price
£55.99
Price Beater
Valvoline SynPower XL-IV C5 0W-20 Fully Synthetic Engine Oil
Opie Price
£74.95
Price Beater
Valvoline Hybrid C2 5W-30 Fully Synthetic Engine Oil
Opie Price
£49.99
Price Beater
Valvoline Hybrid C5 0W-20 Fully Synthetic Engine Oil
Opie Price
£72.95
Price Beater
Valvoline SynPower RNO C3 SAE 5W-30 Premium Grade Synthetic Engine Oil
Opie Price
£50.95
Price Beater

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.