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API Gear Oil Specifications

American Petroleum Institute (API) have a number of gearbox specifications that are highly regarded within the motoring world. If you are looking for a specific API oil specification then you will find Opie Oils extensive range below.

Making sure that you get the correct oil for your vehicle will increase the life span, the performance and shift quality of your gearbox.

You'll find what specification gear oil your vehicle requires in your handbook, if you're still not sure, contact the Opie Experts for a custom recommendation.

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146 Products (Viewing: 60 - 120 of 146)

RED LINE Synthetic Gear Oil 80w-140 GL5

1 US Quart (0.946 litre)

RRP £28.20
£27.95
Price Beater
RED LINE SuperLight ShockProof Gear Oil 70w-75

1 US Quart (0.946 litre)

RRP £30.60
£28.99
Price Beater
Millers Oils EE Performance MTF 75w90 Gear Oil
RRP £29.99
£26.95
Price Beater
Valvoline 75w-90 Full Synthetic Gear Oil
Fuchs TITAN SINTOPOID LS SAE 75W-140 synthetic gear oil
Fuchs Titan Sintopoid FE SAE 75W-85 Fully Synthetic Gear Oil
Motul Motylgear 75w-90 Technosynthese Transmission & Differential Oil
Comma EP 75w-80 Plus Mineral Manual Transmission Fluid
Opie Price
£9.95
Price Beater
Millers Oils Motorsport CTV Mini 20w-50 Nanodrive Semi Synthetic Engine & Transmission Oil
RRP £67.99
£57.95
Price Beater
Castrol TRANSMAX Axle EPX 85W-140 Axle Fluid
Opie Price
£45.95
Price Beater
Comma EP 80w-90 GL-4 Mineral Manual Transmission Fluid
Opie Price
£8.95
Price Beater
Comma SX 75w-90 GL-5 Semi Synthetic Transmission Fluid
Opie Price
£10.99
Price Beater
Millers Oils Trident Professional MTF 75w-90 Synthetic Transmission Oil
RRP £13.00
£11.95
Price Beater
Millers Oils EE Performance MTF 75w Gear Oil
RRP £19.99
£16.99
Price Beater
Millers Oils Classic Gear Oil EP 140 GL4
RRP £64.96
£50.95
Price Beater
Millers Oils Vintage Millerol 50 Monograde Mineral Engine Oil
RRP £57.95
£49.99
Price Beater
Millers Oils Classic Differential Oil 85W-140 GL5
RRP £19.96
£17.95
Price Beater
Castrol TRANSMAX Manual Long Life 75W-85 Transmission Fluid
Millers Oils Vintage Green Gear Oil 90 GL1
RRP £17.95
£12.95
Price Beater
Fuchs Titan Race Gear 90 LS High Performance Gear And Limited Slip Diff Oil
Comma SX 75w-90 GL-4 Semi Synthetic Transmission Fluid
Opie Price
£9.95
Price Beater
Millers Oils Ginetta Tech 75w-90 Fully Synthetic Competition Gear Oil
RED LINE Synthetic Manual Transmission MT-LV 70W/75W
TotalEnergies Traxium Dual 9 FE 75w-90 Commercial Vehicle Gear Oil
Shell Spirax S5 ATE 75W-90 Synthetic Technology High Performance Gear Oil
RED LINE Gear Oil 75w-140 GL-5

1 US Quart (0.946 litre)

RRP £29.40
£28.99
Price Beater
Amsoil Synthetic Tractor Hydraulic/Transmission Oil SAE 5W-30
Mobil EP 75W-80 Multi-Vehicle Mineral Manual Transmission Fluid
Mobil 75W Multi-Vehicle Manual Transmission Fluid
Mobil 75W-80 Multi-Vehicle Manual Transmission Fluid
Mobil 75W-90 Multi-Vehicle Manual Transmission Fluid
TotalEnergies Traxium Axle 8 80W-90 Gear Oil
TotalEnergies Traxium Axle 7 80W-90 Gear Oil
Opie Price
£8.95
Price Beater
Castrol TRANSMAX Agri MP 15W-40 Transmission Fluid
Febi Bilstein 75w-85 Axle Drive Oil GL-5 | 48785
Comma EP 85w-140 GL-5 Mineral Manual Transmission Fluid
Opie Price
£10.99
Price Beater
Millers Oils Ginetta Tech LS 75w-90 Fully Synthetic Competition Gear Oil
Castrol TRANSMAX Manual Z Long Life 75W-80 Transmission Fluid
Mobil Mobilube HD 80W-90 GL-5 Heavy Duty Gear Oil
Millers Oils XF Premium MTF 75w Fully Synthetic Transmission Oil
Opie Price
£12.95
Price Beater
Amsoil Manual Synchromesh Transmission Fluid MTF
RED LINE Synthetic Gear Oil 75W-90NS GL5 (non Limited Slip)
RED LINE High Performance 75W-85 GL-5 Fully Synthetic Gear Oil
Febi Bilstein SAE 75W-80 GL-4 Gear Oil (170126)
Free Shipping

20 Litres

Opie Price
£264.95
Price Beater
Febi Bilstein SAE 75W-90 GL-4/5 Gear Oil (170140)
Febi Bilstein SAE 90 GL-4 Gear Oil (170153)
Free Shipping

20 Litres

Opie Price
£122.95
Price Beater
Febi Bilstein SAE 80W-90 GL-4/5 Gear Oil (170166)
Petronas Tutela Multi MTF 700 75W-80 Fully Synthetic Manual Transmission Fluid
EXOPRO 75w-90 SS GL4 and GL5 Semi Synthetic Extreme Pressure Gear Oil
EXOPRO MTF LV Fully Synthetic Transmission Fluid
EXOPRO 75w FS GL4 Manual Transmission Fluid
Fuchs Titan UTTO TO-4 SAE 30 High Performance Transmission Lubricant
Liqui Moly GL4+ SAE 75W-90 Fully Synthetic Gear Oil
Liqui Moly Top Tec MTF 5100 75W Transmission Fluid
Liqui Moly Top Tec MTF 5200 75W-80 Transmission Fluid
Castrol TRANSMAX Limited Slip Z 85W-90 Axle Fluid
Petronas Tutela MTF 900 75W-70 Fully Synthetic Manual Transmission Fluid
Febi Bilstein Gear Oil SAE 70W-80 GL-5 (184247)
Castrol Classic EP140 Mineral Based Extreme Pressure Oil
Fuchs Titan Supergear LS 80W-90 High Performance Limited Slip Hypoid Gear Oil
If you are looking for a specific API gear oil specification, take a look at our extensive range here.