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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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400 Products (Viewing: 180 - 240 of 400)

Millers Oils EE Performance 10w-50 Fully Synthetic Engine Oil
RRP £61.96
£53.95
Price Beater
Valvoline SynPower FE 5W-20 Fully Synthetic Engine Oil
Opie Price
£37.99
Price Beater
Millers Oils Trident Professional 5w-30 Semi Synthetic Engine Oil
Opie Price
£30.95
Price Beater
Motul NGEN Hybrid 0w-16 Synthetic Car Engine Oil
RRP £49.96
£39.95
Price Beater
Fuchs TITAN GT1 Flex 3 5W-40 Synthetic Engine Oil
RRP £36.46
£35.95
Price Beater
Motul Classic Eighties 10w-40 Semi Synthetic Engine Oil
Shell Helix Ultra Professional AF 5w-30 Fully Synthetic Engine Oil
Opie Price
£45.95
Price Beater
Valvoline VR1 Racing 5w-50 Premium Synthetic Engine Oil
RRP £51.65
£48.95
Price Beater
Shield Lubricants 5W-30 VAG Fully Synthetic Car Engine Oil
Opie Price
£25.99
Price Beater
Liqui Moly Special Tec LL 5W-30 Synthetic Technology Engine Oil
Fuchs Titan Supersyn Longlife 5w-40 Synthetic Engine Oil
Opie Price
£44.95
Price Beater
Shell Helix Ultra 5W-40 Pure Plus Fully Synthetic Engine Oil
Opie Price
£54.95
Price Beater
Selenia Sport 5w-40 Fully Synthetic Car Engine Oil
Shell Helix Ultra Professional AM-L 5w-30 Pure Plus Fully Synthetic Engine Oil
Shell Helix Ultra SP 0W-20 Pure Plus Fully Synthetic Car Engine Oil
Opie Price
£16.99
Price Beater
Motul Classic 2100 15w-50 Semi Synthetic Car Engine Oil
Motul NGEN Hybrid 0w-20 Synthetic Car Engine Oil
RRP £15.95
£13.99
Price Beater
Motul NGEN Hybrid 0w-30 Synthetic Car Engine Oil
Elf Sporti 9 Long Life 5w-30 High Performance Engine Oil
Motul 8100 Eco-nergy 0w-30 Fully Synthetic Car Engine Oil
RRP £63.95
£49.99
Price Beater
Mobil 1 0W-20 Fully Synthetic Engine Oil
Opie Price
£59.95
Price Beater
Motul 4100 SYN-nergy 15w-40 Semi Synthetic Car Engine Oil
RRP £49.96
£38.95
Price Beater
Valvoline SynPower STL 5w-30 Fully Synthetic Engine Oil
Opie Price
£49.99
Price Beater
Amsoil Signature Series 5w-30 Synthetic Engine Oil
Opie Price
£17.95
Price Beater
Castrol GTX Classic 10w-40 Premium Mineral Engine Oil
Liqui Moly Synthoil Energy 0W-40 Fully Synthetic Engine Oil
Liqui Moly Special Tec V 0W-20 Synthetic Technology Engine Oil
Millers Oils Motorsport CFS 15w-60 Nanodrive Fully Synthetic Engine Oil
RRP £63.95
£50.95
Price Beater
TotalEnergies Quartz Ineo MDC 5w-30 Synthetic Engine Oil
Opie Price
£12.95
Price Beater
PETRONAS Syntium 5000 XS 5W-30 Fully Synthetic Car Engine Oil
Opie Price
£37.99
Price Beater
Millers Oils EE Performance C2 ECO 0w-30 Fully Synthetic Engine Oil
RRP £63.95
£55.99
Price Beater
Millers Oils Classic Pistoneeze 50 Mineral Engine Oil
Opie Price
£17.95
Price Beater
Millers Oils XF Premium C2 5w-30 Fully Synthetic Engine Oil
Opie Price
£51.95
Price Beater
Valvoline VR1 Racing 10w-60 Premium Semi Synthetic Engine Oil
Opie Price
£13.99
Price Beater
Fuchs TITAN SUPERSYN 10W-60 High Performance Fully Synthetic Engine Oil
Opie Price
£50.95
Price Beater
Millers Oils XF Premium 0w-40 Fully Synthetic Engine Oil
RRP £49.95
£46.99
Price Beater
Millers Oils XF Premium C5 ECO 5w-20 Ford EcoBoost Fully Synthetic Engine Oil
RRP £36.95
£36.95
Price Beater
Millers Oils Multifleet 10w-40 Semi Synthetic Heavy Duty Engine Oil
Opie Price
£27.95
Price Beater
TotalEnergies Quartz Ineo Long Life 5w-30 Low SAPS Engine Oil
Opie Price
£41.95
Price Beater
Elf Sporti 9 5w-40 High Performance Synthetic Technology Engine Oil
Millers Oils XF Premium C5 P 0w-20 Fully Synthetic Car Engine Oil
Opie Price
£50.95
Price Beater
PETRONAS Syntium Racer 10W-60 Fully Synthetic Car Engine Oil
Opie Price
£48.95
Price Beater
PETRONAS Syntium 800 EU 10W-40 Semi Synthetic Car Engine Oil
Opie Price
£30.95
Price Beater
Comma Eco-FO 0w-20 Fully Synthetic Car Engine Oil
Opie Price
£44.95
Price Beater
PETRONAS Syntium 7000 LL 0W-20 Fully Synthetic Car Engine Oil
Opie Price
£69.95
Price Beater
Comma PD Plus 5w-40 Fully Synthetic Car Engine Oil
Opie Price
£45.95
Price Beater
Shell Helix HX7 5w-40 SN Plus A3/B4 Semi-Synthetic Engine Oil
Opie Price
£44.95
Price Beater
Comma Eco-V 0w-20 Fully Synthetic Car Engine Oil
Opie Price
£14.95
Price Beater
Comma Pro-NRG 0w-20 Fully Synthetic Car Engine Oil
Opie Price
£51.95
Price Beater
Shell Helix Ultra ECT C3 5W-30 Pure Plus Fully Synthetic Car Engine Oil
Opie Price
£57.95
Price Beater
Millers Oils XF Premium C3 0w-30 Fully Synthetic Engine Oil
RRP £56.95
£53.95
Price Beater
Liqui Moly Molygen New Generation 5W-50 Advanced Full Synthetic Engine Oil
Castrol MAGNATEC Professional OE 5W-40 Engine Oil
Opie Price
£38.95
Price Beater
Comma X-Flow Type Z 5w-30 Synthetic Technology Car Engine Oil
Opie Price
£32.95
Price Beater
Castrol MAGNATEC 5W-30 A3/B4 Fully Synthetic Car Engine Oil
TotalEnergies Quartz 9000 Energy 0W-30 Engine Oil
Opie Price
£38.95
Price Beater
Motul Hybrid 0w-20 Fully Synthetic Car Engine Oil
RRP £49.95
£43.99
Price Beater
Motul 8100 Power 0w-20 Fully Synthetic High Performance Ester Engine Oil
Liqui Moly Special Tec F 0W-30 Synthetic Technology Engine Oil
Liqui Moly Special Tec F Eco 5W-20 Synthetic Based 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.