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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: 120 - 146 of 146)

Comma EP 85w-140 GL-5 Mineral Manual Transmission Fluid
Opie Price
£10.99
Price Beater
Silkolene Comp Gear 80w-90 Synthetic Ester Technology Racing Gear Oil
Fuchs TITAN SINTOPOID LS SAE 75W-90 synthetic gear oil
Millers Oils Motorsport CRX 75w-140 NT+ Nanodrive Fully Synthetic Transmission Oil
RRP £23.99
£18.95
Price Beater
Petronas Tutela Geartech MTF 75W-85 Fully Synthetic Manual Transmission Fluid
Valvoline Axle Oil 75W-90 LS
Petronas Tutela MTF 900 75W-70 Fully Synthetic Manual Transmission Fluid
Febi Bilstein Gear Oil SAE 70W-80 GL-5 (184247)
Castrol TRANSMAX Limited Slip Z 85W-90 Axle Fluid
Fuchs Titan Supergear LS 80W-90 High Performance Limited Slip Hypoid Gear Oil
Castrol TRANSMAX Manual EP 80W-90 Transmission Fluid
Opie Price
£11.95
Price Beater
Castrol TRANSMAX Universal LL 75W-90 Gear Oil
Opie Price
£24.95
Price Beater
Fuchs Titan Cytrac Manual Synthetic Gearbox Oil 75W-80
Fuchs Titan Cytrac SL Fully Synthetic Gearbox Oil 75W-90
Fuchs Agrifarm STO 15W-30 High Performance Multifunctional Tractor Oil
RED LINE Synthetic Gear Oil 75W-110 GL5

1 US Quart (0.946 litre)

RRP £28.20
£27.95
Price Beater
Valvoline Heavy Duty TDL Pro 75w-90 Full Synthetic Gear Oil
Castrol TRANSMAX Manual Long Life 75W-85 Transmission Fluid
Fuchs Titan Race Gear 90 LS High Performance Gear And Limited Slip Diff Oil
Millers Oils Vintage Green Gear Oil 90 GL1
RRP £17.95
£12.95
Price Beater
RED LINE LightWeight ShockProof Gear Oil 75w-90

1 US Quart (0.946 litre)

RRP £30.60
£28.99
Price Beater
RED LINE HEAVY ShockProof Gear Oil 75w-140

1 US Quart (0.946 litre)

RRP £30.60
£29.95
Price Beater
Castrol TRANSMAX Manual Transaxle 75W-90 Transmission Fluid
Amsoil Synthetic Manual Transmission & Transaxle Gear Lube 75W-90
Castrol B 373 Racing Mineral Gearbox Oil
Motul Drive Supra 80w-90 Heavy Duty Transmission Fluid
If you are looking for a specific API gear oil specification, take a look at our extensive range here.