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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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154 Products (Viewing: 60 - 120 of 154)

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Valvoline 75w-90 Full Synthetic Gear Oil

Valvoline 75w-90 Full Synthetic Gear Oil

1 Litre

Opie Price
£14.95
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Valvoline Gear Oil 75w-80

Valvoline Gear Oil 75w-80

1 Litre

Opie Price
£15.95
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RED LINE Synthetic Gear Oil 75W-90 GL5

RED LINE Synthetic Gear Oil 75W-90 GL5

RRP £28.20
£27.95
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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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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 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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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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Febi Bilstein Gear Oil SAE 70W-80 GL-5 (184247)

Febi Bilstein Gear Oil SAE 70W-80 GL-5 (184247)

1 Litres

Opie Price
£23.95
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Fuchs Titan Gear Syn 75W-90 Semi Synthetic Driveline Oil

Fuchs Titan Gear Syn 75W-90 Semi Synthetic Driveline Oil

Opie Price
£11.95
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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
£9.95
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Millers Oils Classic Differential Oil EP 90 GL5

Millers Oils Classic Differential Oil EP 90 GL5

Opie Price
£44.95
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Mobil 75W-90 Multi-Vehicle Manual Transmission Fluid

Mobil 75W-90 Multi-Vehicle Manual Transmission Fluid

1 Litre

Opie Price
£16.99
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Liqui Moly Top Tec MTF 5100 75W Transmission Fluid

Liqui Moly Top Tec MTF 5100 75W Transmission Fluid

1 Litre - SKU 20842

Opie Price
£14.95
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Castrol Classic EP90 Mineral Based Multi-Purpose Extreme Pressure Oil

Castrol Classic EP90 Mineral Based Multi-Purpose Extreme Pressure Oil

Opie Price
£17.95
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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
£12.95
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Castrol TRANSMAX Manual FE 75W Fully Synthetic Transmission Fluid

Castrol TRANSMAX Manual FE 75W Fully Synthetic Transmission Fluid

1 Litre

Opie Price
£17.95
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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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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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Fuchs Titan Cytrac SL Fully Synthetic Gearbox Oil 75W-90
Free Shipping

Fuchs Titan Cytrac SL Fully Synthetic Gearbox Oil 75W-90

20 Litres

RRP £213.84
£160.99
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Liqui Moly Top Tec MTF 5200 75W-80 Transmission Fluid

Liqui Moly Top Tec MTF 5200 75W-80 Transmission Fluid

1 Litre - SKU 20845

Opie Price
£14.95
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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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EXOPRO 75w-90 SS GL4 and GL5 Semi Synthetic Extreme Pressure Gear Oil

EXOPRO 75w-90 SS GL4 and GL5 Semi Synthetic Extreme Pressure Gear Oil

Opie Price
£34.99
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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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Millers Oils Classic Gear Oil EP 80W-90 GL4

Millers Oils Classic Gear Oil EP 80W-90 GL4

RRP £12.95
£11.95
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Comma MV MTF Plus 75w-90 Fully Synthetic Manual Transmission Fluid

Comma MV MTF Plus 75w-90 Fully Synthetic Manual Transmission Fluid

Opie Price
£13.99
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RED LINE LightWeight ShockProof Gear Oil 75w-90

RED LINE LightWeight ShockProof Gear Oil 75w-90

1 US Quart (0.946 litre)

RRP £30.60
£28.99
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Motul Gearbox 80w-90 EP Mineral Gear & Differential Oil

Motul Gearbox 80w-90 EP Mineral Gear & Differential Oil

1 Litre

RRP £19.96
£17.95
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Castrol TRANSMAX Manual EP 80W Mineral Transmission Fluid

Castrol TRANSMAX Manual EP 80W Mineral Transmission Fluid

Opie Price
£9.95
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Price Beater
Millers Oils Vintage Millerol 50 Monograde Mineral Engine Oil

Millers Oils Vintage Millerol 50 Monograde Mineral Engine Oil

Opie Price
£38.95
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Millers Oils Classic Differential Oil 85W-140 GL5

Millers Oils Classic Differential Oil 85W-140 GL5

Opie Price
£13.99
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Millers Oils Classic Gear Oil EP 140 GL4

Millers Oils Classic Gear Oil EP 140 GL4

Opie Price
£46.99
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Fuchs Titan Supergear Plus SAE 80W-90 High Performance Gear Oil
Free Shipping

Fuchs Titan Supergear Plus SAE 80W-90 High Performance Gear Oil

Opie Price
£99.95
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Mobil Mobilube PTX 75w-90 Multipurpose Gear Oil
Free Shipping

Mobil Mobilube PTX 75w-90 Multipurpose Gear Oil

20 Litres (Drum)

Opie Price
£344.95
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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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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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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
£229.50
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Mobil Mobilube HD 80W-90 GL-5 Heavy Duty Gear Oil
Free Shipping

Mobil Mobilube HD 80W-90 GL-5 Heavy Duty Gear Oil

20 Litres

Opie Price
£129.95
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Valvoline Gear Oil 75W-80 RPC

Valvoline Gear Oil 75W-80 RPC

1 Litre

Opie Price
£13.99
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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
£9.95
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Castrol TRANSMAX Universal 75W-90 Multipurpose Gear Oil

Castrol TRANSMAX Universal 75W-90 Multipurpose Gear Oil

Opie Price
£17.95
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Castrol TRANSMAX Manual V 75W-80 Fully Synthetic Transmission Fluid

Castrol TRANSMAX Manual V 75W-80 Fully Synthetic Transmission Fluid

1 Litre

Opie Price
£19.99
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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
£27.95
Add To Basket
Price Beater
Millers Oils Trident Professional MTF 75w-90 Semi Synthetic Transmission Oil

Millers Oils Trident Professional MTF 75w-90 Semi Synthetic Transmission Oil

RRP £12.95
£10.99
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RED LINE HEAVY ShockProof Gear Oil 75w-140

RED LINE HEAVY ShockProof Gear Oil 75w-140

1 US Quart (0.946 litre)

RRP £30.60
£29.95
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Price Beater
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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RED LINE Synthetic Gear Oil 80w-140 GL5

RED LINE Synthetic Gear Oil 80w-140 GL5

1 US Quart (0.946 litre)

RRP £28.20
£27.95
Add To Basket
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Millers Oils NANODRIVE Hewland UPB 75w-90 LS Transmission Oil
On Sale

Millers Oils NANODRIVE Hewland UPB 75w-90 LS Transmission Oil

Was £52.99
£40.34
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Millers Oils NANODRIVE Hewland UPB 75w-140 LS Transmission Oil

Millers Oils NANODRIVE Hewland UPB 75w-140 LS Transmission Oil

RRP £58.00
£46.99
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Millers Oils Ginetta Tech LS 75w-90 Fully Synthetic Competition Gear Oil

Millers Oils Ginetta Tech LS 75w-90 Fully Synthetic Competition Gear Oil

1 Litre

RRP £34.00
£32.95
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Price Beater
Millers Oils Ginetta Tech 75w-90 Fully Synthetic Competition Gear Oil

Millers Oils Ginetta Tech 75w-90 Fully Synthetic Competition Gear Oil

1 Litre

RRP £29.99
£28.99
Add To Basket
Price Beater
Comma EP 85w-140 GL-5 Mineral Manual Transmission Fluid

Comma EP 85w-140 GL-5 Mineral Manual Transmission Fluid

Opie Price
£9.95
Add To Basket
Price Beater
Comma EP 80w-90 GL-5 Mineral Manual Transmission Fluid

Comma EP 80w-90 GL-5 Mineral Manual Transmission Fluid

Opie Price
£7.99
Add To Basket
Price Beater
Comma MV MTF Plus 75w Fully Synthetic Manual Transmission Fluid

Comma MV MTF Plus 75w Fully Synthetic Manual Transmission Fluid

Opie Price
£13.99
Add To Basket
Price Beater
Comma LS 80w-90 GL-5 Mineral Limited Slip Differential Oil

Comma LS 80w-90 GL-5 Mineral Limited Slip Differential Oil

1 Litre

Opie Price
£7.99
Add To Basket
Price Beater
Amsoil Manual Synchromesh Transmission Fluid MTF

Amsoil Manual Synchromesh Transmission Fluid MTF

1 US Quart

Opie Price
£22.99
Add To Basket
Price Beater
Gulf Competition Racing Gear Oil 75w-90
Clearance

Gulf Competition Racing Gear Oil 75w-90

Was £79.99
£57.34
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Price Beater
Millers Oils Vintage Millerol 30 Monograde Mineral Engine Oil

Millers Oils Vintage Millerol 30 Monograde Mineral Engine Oil

Opie Price
£14.95
Add To Basket
Price Beater
Millers Oils Vintage Green Gear Oil 140 GL1

Millers Oils Vintage Green Gear Oil 140 GL1

Opie Price
£43.99
Add To Basket
Price Beater
Shell Spirax S5 ATE 75W-90 Synthetic Technology High Performance Gear Oil
Free Shipping

Shell Spirax S5 ATE 75W-90 Synthetic Technology High Performance Gear Oil

20 Litres

Opie Price
£312.95
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