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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)

Shell Helix Ultra Professional AJ-L 0w-30 Fully Synthetic Engine Oil
Castrol EDGE 5W-30 C3 Fully Synthetic Engine Oil
Valvoline SynPower 10w-40 Engine Oil
Opie Price
£28.99
Price Beater
Comma X-Flow Type Z 5w-30 Synthetic Technology Car Engine Oil
Opie Price
£33.95
Price Beater
PETRONAS Syntium X 5W-40 Fully Synthetic Car Engine Oil
Liqui Moly Top Tec 4100 5W-40 Synthetic Technology Based Engine Oil
Opie Price
£46.99
Price Beater
Liqui Moly Top Tec 4300 5W-30 Synthetic Technology Engine Oil
Opie Price
£43.99
Price Beater
Motul 8100 Power 5w-40 Fully Synthetic High Performance Ester Engine Oil
Mobil 1 ESP Formula P 5w-30 Engine Oil
Opie Price
£62.95
Price Beater
Fuchs Titan Supersyn Longlife 0W-40 Fuel Economy Synthetic Engine Oil
Castrol EDGE Professional A5 0W-30 (Volvo) Fully Synthetic Engine Oil
Valvoline All-Climate 20w-50 High Quality Engine Oil
Opie Price
£33.95
Price Beater
Amsoil European Car Formula 5W-30 Improved ESP Synthetic Engine Oil
RRP £68.65
£60.95
Price Beater
Mobil Delvac Modern 15w-40 High Performance Heavy Duty Diesel Engine Oil
Shell Rimula R6 LM 10W-40 CJ4 Fully Synthetic Heavy Duty Engine Oil
Opie Price
£45.95
Price Beater
PETRONAS Syntium 7000 Hybrid 0W-16 Fully Synthetic Car Engine Oil
Millers Oils Multifleet 15w-40 Mineral Heavy Duty Engine Oil
Opie Price
£30.95
Price Beater
Fuchs TITAN SUPERSYN 10W-60 High Performance Fully Synthetic Engine Oil
Opie Price
£47.95
Price Beater
Millers Oils XF Premium 5w-50 Fully Synthetic Engine Oil
RRP £47.95
£41.95
Price Beater
Fuchs TITAN GT1 PRO FPW03 5W-30 Engine Oil
Opie Price
£48.95
Price Beater
Shell Helix HX7 5w-40 SN Plus A3/B4 Semi-Synthetic Engine Oil
Opie Price
£41.95
Price Beater
Valvoline MaxLife 10w-40 Engine Oil
Opie Price
£39.95
Price Beater
Valvoline SynPower ENV C2 5W-30 Fully Synthetic Engine Oil
Opie Price
£35.95
Price Beater
Comma Prolife 5w-30 Fully Synthetic Car Engine Oil
Opie Price
£49.99
Price Beater
Comma X-Flow Type PD 5w-40 Fully Synthetic Car Engine Oil
Opie Price
£32.95
Price Beater
PETRONAS Syntium 7000 E 0W-40 SP Cooltech Fully Synthetic Car Engine Oil
RED LINE High Performance Synthetic Motor Oil 5w-20
RRP £88.80
£79.99
Price Beater
Millers Oils Motorsport CFS 0w-20 NT+ Nanodrive Fully Synthetic Engine Oil
RRP £85.95
£59.95
Price Beater
Fuchs Titan Truck Plus 15w-40 High Performance Engine Oil
Opie Price
£26.95
Price Beater
Millers Oils Motorsport CFS 15w-60 Nanodrive Fully Synthetic Engine Oil
RRP £63.95
£47.95
Price Beater
Millers Oils Classic Pistoneeze 15w-40 Engine Oil
Opie Price
£37.99
Price Beater
Fuchs TITAN FORMULA 15W-40 High Performance Mineral Engine Oil
Comma X-Flow Type X 5w-30 Fully Synthetic Car Engine Oil
Clearance

5 Litres - CLEARANCE

Was £35.95
£28.99
Price Beater
Comma X-Flow Type C 5w-30 Fully Synthetic Car Engine Oil
Valvoline Hybrid C3 5W-30 Fully Synthetic Engine Oil
Opie Price
£46.99
Price Beater
Shell Helix HX7 AF 5w-30 Professional Synthetic Technology Engine Oil
Opie Price
£38.95
Price Beater
Millers Oils Classic Pistoneeze 40 Mineral Engine Oil
Opie Price
£11.95
Price Beater
Shell Helix HX7 10W-40 Synthetic Technology Premium Engine Oil
Opie Price
£38.95
Price Beater
Valvoline SynPower 5w-30 Fully Synthetic Engine Oil
Opie Price
£32.95
Price Beater
Elf Sporti 9 A5/B5 5w-30 High Performance Engine Oil
TotalEnergies Quartz Ineo C3 5w-40 Advanced Synthetic Engine Oil
Opie Price
£38.95
Price Beater
Fuchs TITAN GT1 Flex C3 0w-30 Premium Performance Engine Oil
Free Shipping
Opie Price
£107.95
Price Beater
TotalEnergies Quartz Ineo Xtra EC6 0w-20 Synthetic Engine Oil
Opie Price
£60.95
Price Beater
Liqui Moly Special Tec V 0W-30 Synthetic Technology Engine Oil
Opie Price
£49.99
Price Beater
Castrol MAGNATEC Hybrid 0w-16 Engine Oil
Opie Price
£72.95
Price Beater
Liqui Moly Special Tec V 0W-20 Synthetic Technology Engine Oil
Liqui Moly Top Tec 6600 0W-20 Synthetic Technology Engine Oil
Castrol MAGNATEC 5W-30 A3/B4 Fully Synthetic Car Engine Oil
Fuchs TITAN GT1 FLEX 5 0W-20 Premium Performance Engine Oil
Opie Price
£48.95
Price Beater
EXOPRO 0W-20 ECO VE Fully Synthetic Low SAPS Engine Oil
Opie Price
£40.99
Price Beater
Castrol EDGE Professional A5 5W-30 (Jaguar Land Rover) Engine Oil
Castrol GTX 5W-30 A5/B5 Fully Synthetic Car Engine Oil
Opie Price
£33.95
Price Beater
Castrol CRB Monograde 30 CF Diesel Engine Oil
Free Shipping

20 Litres

Opie Price
£103.99
Price Beater
Castrol Transmax Agri MP 15W-40
Free Shipping

20 Litres

Opie Price
£141.95
Price Beater
Shell Rimula R4 Multi 10W-30 Heavy Duty Diesel Engine Oil
Comma Eco-Z 0w-20 Fully Synthetic Car Engine Oil
Opie Price
£69.95
Price Beater
Castrol MAGNATEC Professional OE 5W-40 Engine Oil
Opie Price
£38.95
Price Beater
TotalEnergies Quartz Racing 10w-60 Engine Oil
EXOPRO 0W-20 ECO FE Fully Synthetic Fuel Economy Engine Oil
Opie Price
£34.99
Price Beater
EXOPRO 0W-30 ECO VT Fully Synthetic Fuel Economy Engine Oil
Opie Price
£34.99
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.