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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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152 Products (Viewing: 60 - 120 of 152)

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Castrol TRANSMAX Manual EP 80W-90 Mineral Transmission Fluid

Castrol TRANSMAX Manual EP 80W-90 Mineral Transmission Fluid

Opie Price
£8.95
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Comma SX 75w-90 GL-4 Semi Synthetic Transmission Fluid

Comma SX 75w-90 GL-4 Semi Synthetic Transmission Fluid

Opie Price
£8.95
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Millers Oils EE Performance MTF 75w85 Gear Oil

Millers Oils EE Performance MTF 75w85 Gear Oil

RRP £23.95
£20.95
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EXOPRO 80w-90 HD Heavy Duty Extreme Pressure Gear Oil

EXOPRO 80w-90 HD Heavy Duty Extreme Pressure Gear Oil

Opie Price
£29.95
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Febi Bilstein 75w-85 Axle Drive Oil GL-5 | 48785

Febi Bilstein 75w-85 Axle Drive Oil GL-5 | 48785

1 Litre

Opie Price
£19.99
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Comma EP 75w-80 Plus Mineral Manual Transmission Fluid

Comma EP 75w-80 Plus Mineral Manual Transmission Fluid

Opie Price
£7.99
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Millers Oils Vintage Millerol 30 Monograde Mineral Engine Oil

Millers Oils Vintage Millerol 30 Monograde Mineral Engine Oil

Opie Price
£15.95
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Millers Oils Motorsport CRX 75w NT+ Nanodrive Fully Synthetic Transmission Oil

Millers Oils Motorsport CRX 75w NT+ Nanodrive Fully Synthetic Transmission Oil

RRP £89.95
£66.95
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Castrol TRANSMAX Axle EPX 80W-90 Multipurpose Axle Fluid

Castrol TRANSMAX Axle EPX 80W-90 Multipurpose Axle Fluid

Opie Price
£10.99
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Castrol TRANSMAX Axle Long Life 75W-90 Fully Synthetic Rear Axle Fluid

Castrol TRANSMAX Axle Long Life 75W-90 Fully Synthetic Rear Axle Fluid

1 Litre

Opie Price
£22.99
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Millers Oils Motorsport CRX 75w-140 NT+ Nanodrive Fully Synthetic Transmission Oil

Millers Oils Motorsport CRX 75w-140 NT+ Nanodrive Fully Synthetic Transmission Oil

RRP £21.95
£16.99
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Millers Oils Motorsport CTV Mini 20w-50 Nanodrive Semi Synthetic Engine & Transmission Oil

Millers Oils Motorsport CTV Mini 20w-50 Nanodrive Semi Synthetic Engine & Transmission Oil

RRP £60.95
£43.99
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Millers Oils EE Performance MTF 75w Gear Oil

Millers Oils EE Performance MTF 75w Gear Oil

Opie Price
£19.99
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Castrol Classic ST90 Monograde SAE90 Mineral Gear Oil

Castrol Classic ST90 Monograde SAE90 Mineral Gear Oil

1 Litre

Opie Price
£15.95
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Castrol Classic EP140 Mineral Based Extreme Pressure Oil

Castrol Classic EP140 Mineral Based Extreme Pressure Oil

1 Litre

RRP £16.96
£15.95
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Fuchs Titan Cytrac Manual Synthetic Gearbox Oil 75W-80
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Fuchs Titan Cytrac Manual Synthetic Gearbox Oil 75W-80

20 Litres

Opie Price
£185.95
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Fuchs Titan Cytrac SL Fully Synthetic Gearbox Oil 75W-90
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Fuchs Titan Cytrac SL Fully Synthetic Gearbox Oil 75W-90

20 Litres

RRP £213.84
£169.99
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Fuchs Agrifarm STO 15W-30 High Performance Multifunctional Tractor Oil

Fuchs Agrifarm STO 15W-30 High Performance Multifunctional Tractor Oil

20 Litres

Opie Price
£79.99
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Fuchs TITAN SINTOPOID LS SAE 75W-90 synthetic gear oil

Fuchs TITAN SINTOPOID LS SAE 75W-90 synthetic gear oil

1 Litre

RRP £17.26
£15.95
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Febi Bilstein SAE 75W-80 GL-4 Gear Oil (170126)
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Febi Bilstein SAE 75W-80 GL-4 Gear Oil (170126)

20 Litres

Opie Price
£244.99
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Febi Bilstein SAE 75W-90 GL-4/5 Gear Oil (170140)
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Febi Bilstein SAE 75W-90 GL-4/5 Gear Oil (170140)

20 Litres

Opie Price
£282.95
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Febi Bilstein SAE 90 GL-4 Gear Oil (170153)
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Febi Bilstein SAE 90 GL-4 Gear Oil (170153)

20 Litres

Opie Price
£104.95
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Febi Bilstein SAE 80W-90 GL-4/5 Gear Oil (170166)
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Febi Bilstein SAE 80W-90 GL-4/5 Gear Oil (170166)

20 Litres

Opie Price
£154.99
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Motul Gear Power 75w-80 Fully Synthetic Manual Transmission Fluid

Motul Gear Power 75w-80 Fully Synthetic Manual Transmission Fluid

1 Litre

Opie Price
£18.95
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Motul Gear Power FE 75w Fully Synthetic Manual Transmission Fluid

Motul Gear Power FE 75w Fully Synthetic Manual Transmission Fluid

1 Litre

Opie Price
£16.99
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Motul Gear Power LV 70w Fully Synthetic Manual Transmission Fluid

Motul Gear Power LV 70w Fully Synthetic Manual Transmission Fluid

1 Litre

Opie Price
£19.99
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Castrol Transmax Manual Long Life 75W-85 Transmission Fluid
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Castrol Transmax Manual Long Life 75W-85 Transmission Fluid

20 Litres

Opie Price
£269.95
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Castrol TRANSMAX Manual Transaxle 75W-90 Fully Synthetic Transaxle Fluid

Castrol TRANSMAX Manual Transaxle 75W-90 Fully Synthetic Transaxle Fluid

1 Litre

Opie Price
£16.99
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Millers Oils Vintage Green Gear Oil 90 GL1

Millers Oils Vintage Green Gear Oil 90 GL1

Opie Price
£11.95
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Valvoline Gear Oil 75W

Valvoline Gear Oil 75W

1 Litre

Opie Price
£15.95
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RED LINE SuperLight ShockProof Gear Oil 70w-75

RED LINE SuperLight ShockProof Gear Oil 70w-75

1 US Quart (0.946 litre)

RRP £30.60
£28.99
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Castrol TRANSMAX Limited Slip Z 85W-90 Mineral Axle Fluid

Castrol TRANSMAX Limited Slip Z 85W-90 Mineral Axle Fluid

1 Litre

Opie Price
£10.99
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Fuchs Titan Supergear LS 80W-90 High Performance Limited Slip Hypoid Gear Oil
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Fuchs Titan Supergear LS 80W-90 High Performance Limited Slip Hypoid Gear Oil

20 Litre

Opie Price
£122.95
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Valvoline Axle Oil 75W-90

Valvoline Axle Oil 75W-90

1 Litre

Opie Price
£15.95
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Castrol TRANSMAX Axle EPX 85W-140 Multipurpose Axle Fluid

Castrol TRANSMAX Axle EPX 85W-140 Multipurpose Axle Fluid

Opie Price
£36.95
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Castrol TRANSMAX Manual Z Long Life 75W-80 Fully Synthetic Transmission Fluid
Free Shipping

Castrol TRANSMAX Manual Z Long Life 75W-80 Fully Synthetic Transmission Fluid

20 Litres

Opie Price
£241.99
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Mobil Mobilube HD 80W-90 GL-5 Heavy Duty Gear Oil
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Mobil Mobilube HD 80W-90 GL-5 Heavy Duty Gear Oil

20 Litres

Opie Price
£161.95
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Valvoline Gear Oil 75W-80 RPC

Valvoline Gear Oil 75W-80 RPC

1 Litre

Opie Price
£18.95
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Liqui Moly GL5 SAE 85W-90 Mineral Based Hypoid Gear Oil

Liqui Moly GL5 SAE 85W-90 Mineral Based Hypoid Gear Oil

1 Litre - SKU 1035

Opie Price
£10.99
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RED LINE High Performance 75W-85 GL-5 Fully Synthetic Gear Oil

RED LINE High Performance 75W-85 GL-5 Fully Synthetic Gear Oil

1 US Quart (0.946 Litre)

RRP £28.20
£26.95
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RED LINE Synthetic Gear Oil 75W-90NS GL5 (non Limited Slip)

RED LINE Synthetic Gear Oil 75W-90NS GL5 (non Limited Slip)

1 US Quart (0.946 litre)

RRP £28.20
£27.95
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Silkolene Comp Gear 80w-90 Synthetic Ester Technology Racing Gear Oil

Silkolene Comp Gear 80w-90 Synthetic Ester Technology Racing Gear Oil

1 Litre

Opie Price
£18.95
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Petronas Tutela MTF 900 75W-70 Fully Synthetic Manual Transmission Fluid

Petronas Tutela MTF 900 75W-70 Fully Synthetic Manual Transmission Fluid

1 Litre

Opie Price
£30.95
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Valvoline Gear Oil 75w-80

Valvoline Gear Oil 75w-80

1 Litre

Opie Price
£17.95
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Mobil Mobilube PTX 75w-90 Multipurpose Gear Oil
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Mobil Mobilube PTX 75w-90 Multipurpose Gear Oil

20 Litres (Drum)

Opie Price
£314.95
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Motul HD 85w-140 Extreme Pressure Transmission & Differential Oil
Free Shipping

Motul HD 85w-140 Extreme Pressure Transmission & Differential Oil

20 Litres

Opie Price
£146.95
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RED LINE Synthetic Gear Oil 75W-110 GL5

RED LINE Synthetic Gear Oil 75W-110 GL5

1 US Quart (0.946 litre)

Opie Price
£28.99
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Valvoline Heavy Duty TDL Pro 75w-90 Full Synthetic Gear Oil

Valvoline Heavy Duty TDL Pro 75w-90 Full Synthetic Gear Oil

1 Litre

Opie Price
£26.95
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Millers Oils Gear Oil Limited Slip 90 GL5

Millers Oils Gear Oil Limited Slip 90 GL5

RRP £14.95
£12.95
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Millers Oils EE Performance MTF 75w80 Gear Oil

Millers Oils EE Performance MTF 75w80 Gear Oil

RRP £20.95
£18.95
Add To Basket
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TotalEnergies Traxium Dual 9 FE 75w-90 Commercial Vehicle Gear Oil

TotalEnergies Traxium Dual 9 FE 75w-90 Commercial Vehicle Gear Oil

1 Litre

Opie Price
£13.99
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TotalEnergies Traxium Axle 8 80W-90 Gear Oil

TotalEnergies Traxium Axle 8 80W-90 Gear Oil

1 Litre

Opie Price
£11.95
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TotalEnergies Traxium Axle 7 80W-90 Gear Oil

TotalEnergies Traxium Axle 7 80W-90 Gear Oil

Opie Price
£7.99
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Castrol Transmax Agri MP 15W-40
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Castrol Transmax Agri MP 15W-40

20 Litres

Opie Price
£141.95
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Silkolene BOA 80W-90 For Gearboxes And Final Drives GL4 GL5

Silkolene BOA 80W-90 For Gearboxes And Final Drives GL4 GL5

1 Litre

Opie Price
£11.95
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Mobil EP 75W-80 Multi-Vehicle Mineral Manual Transmission Fluid

Mobil EP 75W-80 Multi-Vehicle Mineral Manual Transmission Fluid

1 Litre

Opie Price
£13.99
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Price Beater
Mobil 75W Multi-Vehicle Manual Transmission Fluid

Mobil 75W Multi-Vehicle Manual Transmission Fluid

1 Litre

Opie Price
£14.95
Add To Basket
Price Beater
Mobil 75W-80 Multi-Vehicle Manual Transmission Fluid

Mobil 75W-80 Multi-Vehicle Manual Transmission Fluid

1 Litre

Opie Price
£13.99
Add To Basket
Price Beater
Mobil 75W-90 Multi-Vehicle Manual Transmission Fluid

Mobil 75W-90 Multi-Vehicle Manual Transmission Fluid

1 Litre

Opie Price
£14.95
Add To Basket
Price Beater
Millers Oils Motorsport CRX 75w-80 NT+ Nanodrive Fully Synthetic Transmission Oil

Millers Oils Motorsport CRX 75w-80 NT+ Nanodrive Fully Synthetic Transmission Oil

RRP £23.95
£19.99
Add To Basket
Price Beater
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If you are looking for a specific API gear oil specification, take a look at our extensive range here.
Free UK delivery £80+ (geographic restrictions apply)
60 Day Returns
Free Expert Advice
No Leak Guarantee
01209 202944