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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.

Read More +

152 Products (Viewing: 1 - 60 of 152)

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Millers Oils Motorsport CRX 75w-90 NT+ Nanodrive Fully Synthetic Transmission Oil

Millers Oils Motorsport CRX 75w-90 NT+ Nanodrive Fully Synthetic Transmission Oil

RRP £22.95
£17.95
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Mobil Mobilube 1 SHC 75W-90 Fully Synthetic High Performance Manual Gearbox Oil

Mobil Mobilube 1 SHC 75W-90 Fully Synthetic High Performance Manual Gearbox Oil

Opie Price
£15.95
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Motul Gear 300 75w-90 Fully Synthetic Racing Transmission & Differential Oil

Motul Gear 300 75w-90 Fully Synthetic Racing Transmission & Differential Oil

RRP £27.98
£20.95
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Castrol B 373 Racing Mineral Car Gearbox Oil

Castrol B 373 Racing Mineral Car Gearbox Oil

1 Litre

Opie Price
£9.95
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Castrol TRANSMAX Manual Multivehicle 75W-90 Fully Synthetic Transmission Fluid

Castrol TRANSMAX Manual Multivehicle 75W-90 Fully Synthetic Transmission Fluid

1 Litre

Opie Price
£17.95
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RED LINE Synthetic Gear Oil 75W-90 GL5

RED LINE Synthetic Gear Oil 75W-90 GL5

RRP £28.20
£26.95
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Fuchs TITAN SINTOFLUID FE SAE 75W Synthetic Manual Transmission Oil

Fuchs TITAN SINTOFLUID FE SAE 75W Synthetic Manual Transmission Oil

1 Litre

RRP £11.92
£10.99
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Motul Gear Competition 75w-140 Fully Synthetic Racing Transmission & LS Differential Oil

Motul Gear Competition 75w-140 Fully Synthetic Racing Transmission & LS Differential Oil

1 Litre

RRP £31.99
£24.95
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Liqui Moly GL5 SAE 75W-90 Fully Synthetic Gear Oil

Liqui Moly GL5 SAE 75W-90 Fully Synthetic Gear Oil

1 Litre - SKU 1414

Opie Price
£17.95
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Millers Oils Classic Differential Oil EP 90 GL5

Millers Oils Classic Differential Oil EP 90 GL5

Opie Price
£45.95
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Motul Multi DCTF Synthetic Dual Clutch Transmission Fluid (Dry & Wet)

Motul Multi DCTF Synthetic Dual Clutch Transmission Fluid (Dry & Wet)

1 Litre

RRP £25.00
£17.95
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Elf Tranself NFX SAE 75W EP Synthetic Technology Transmission Fluid

Elf Tranself NFX SAE 75W EP Synthetic Technology Transmission Fluid

Opie Price
£15.95
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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
£29.95
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Fuchs TITAN SINTOFLUID SAE 75W-80 Synthetic Manual Transmission Fluid

Fuchs TITAN SINTOFLUID SAE 75W-80 Synthetic Manual Transmission Fluid

RRP £14.20
£12.95
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TotalEnergies Traxium Gear 8 75W-80 Manual Transmission Gear Oil

TotalEnergies Traxium Gear 8 75W-80 Manual Transmission Gear Oil

1 Litre

Opie Price
£9.95
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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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Motul Motylgear 75w-85 Technosynthese Transmission Fluid

Motul Motylgear 75w-85 Technosynthese Transmission Fluid

1 Litre

RRP £17.99
£13.99
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Price Beater
Motul HD 80w-90 Extreme Pressure Mineral Transmission & Differential Fluid

Motul HD 80w-90 Extreme Pressure Mineral Transmission & Differential Fluid

RRP £14.99
£10.99
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Millers Oils Motorsport CRX LS 75w-90 NT+ Nanodrive Fully Synthetic Transmission Oil

Millers Oils Motorsport CRX LS 75w-90 NT+ Nanodrive Fully Synthetic Transmission Oil

RRP £21.95
£17.95
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Motul Motylgear 75w-90 Technosynthese Transmission & Differential Oil

Motul Motylgear 75w-90 Technosynthese Transmission & Differential Oil

Opie Price
£10.99
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Fuchs Titan Race SYN 5 75W-90 Fully Synthetic Gear Oil

Fuchs Titan Race SYN 5 75W-90 Fully Synthetic Gear Oil

Opie Price
£16.99
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Fuchs Titan Sintopoid FE SAE 75W-85 Fully Synthetic Gear Oil

Fuchs Titan Sintopoid FE SAE 75W-85 Fully Synthetic Gear Oil

1 Litre

RRP £17.74
£12.95
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Fuchs TITAN SINTOPOID SAE 75W-90 synthetic gear oil

Fuchs TITAN SINTOPOID SAE 75W-90 synthetic gear oil

1 Litre

RRP £13.78
£12.95
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RED LINE Synthetic Manual Transmission Lubricant MTL 75W-80 GL4

RED LINE Synthetic Manual Transmission Lubricant MTL 75W-80 GL4

1 US Quart (0.946 litre)

RRP £28.20
£27.95
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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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Petronas Tutela Geartech MTF 75W-85 Fully Synthetic Manual Transmission Fluid

Petronas Tutela Geartech MTF 75W-85 Fully Synthetic Manual Transmission Fluid

1 Litre

Opie Price
£14.95
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Price Beater
Castrol TRANSMAX Universal LL 75W-90 Fully Synthetic Transmission Fluid

Castrol TRANSMAX Universal LL 75W-90 Fully Synthetic Transmission Fluid

Opie Price
£19.99
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Millers Oils XF Premium MTF 75w-90 Fully Synthetic Transmission Oil

Millers Oils XF Premium MTF 75w-90 Fully Synthetic Transmission Oil

RRP £13.95
£11.95
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Comma MV MTF Plus 75w-80 Fully Synthetic Manual Transmission Fluid

Comma MV MTF Plus 75w-80 Fully Synthetic Manual Transmission Fluid

Opie Price
£11.95
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RED LINE Synthetic Manual Transmission MT-LV 70W/75W

RED LINE Synthetic Manual Transmission MT-LV 70W/75W

1 US Quart (0.946 litre)

Opie Price
£28.99
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Castrol TRANSMAX Universal 75W-90 Multipurpose Gear Oil

Castrol TRANSMAX Universal 75W-90 Multipurpose Gear Oil

Opie Price
£15.95
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Castrol TRANSMAX Limited Slip LL 75W-140 Fully Synthetic Hypoid Gear Oil

Castrol TRANSMAX Limited Slip LL 75W-140 Fully Synthetic Hypoid Gear Oil

Opie Price
£20.95
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Millers Oils Classic Mini Oil 20w-50 Engine Oil

Millers Oils Classic Mini Oil 20w-50 Engine Oil

RRP £38.95
£37.99
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RED LINE MT90 75W-90 GL4 Synthetic Manual Gear Oil

RED LINE MT90 75W-90 GL4 Synthetic Manual Gear Oil

Opie Price
£35.95
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Motul Motylgear 75w-80 EP Technosynthese Car Transmission Fluid

Motul Motylgear 75w-80 EP Technosynthese Car Transmission Fluid

RRP £17.99
£11.95
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Price Beater
Millers Oils Motorsport CRX LS 75w-140 NT+ Nanodrive Fully Synthetic Transmission Oil

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

RRP £23.95
£17.95
Add To Basket
Price Beater
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
Price Beater
Fuchs Titan Race SYNCHRO 75W-90 Fully Synthetic Gear Oil

Fuchs Titan Race SYNCHRO 75W-90 Fully Synthetic Gear Oil

1 Litre

Opie Price
£19.99
Add To Basket
Price Beater
Millers Oils XF Premium MTF 75w Fully Synthetic Transmission Oil

Millers Oils XF Premium MTF 75w Fully Synthetic Transmission Oil

Opie Price
£8.95
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Amsoil Manual Synchromesh Transmission Fluid MTF

Amsoil Manual Synchromesh Transmission Fluid MTF

1 US Quart

Opie Price
£22.99
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Liqui Moly GL4+ SAE 75W-90 Fully Synthetic Gear Oil

Liqui Moly GL4+ SAE 75W-90 Fully Synthetic Gear Oil

1 Litre - SKU 4434

Opie Price
£17.95
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Liqui Moly GL5 LS SAE 75W-140 Fully Synthetic Hypoid Gear Oil

Liqui Moly GL5 LS SAE 75W-140 Fully Synthetic Hypoid Gear Oil

Opie Price
£32.95
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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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Valvoline 75w-90 Full Synthetic Gear Oil

Valvoline 75w-90 Full Synthetic Gear Oil

1 Litre

Opie Price
£16.99
Add To Basket
Price Beater
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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Millers Oils Vintage Millerol 40 Monograde Mineral Engine Oil

Millers Oils Vintage Millerol 40 Monograde Mineral Engine Oil

Opie Price
£11.95
Add To Basket
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Millers Oils XF Premium MTF 75w-80 Fully Synthetic Transmission Oil

Millers Oils XF Premium MTF 75w-80 Fully Synthetic Transmission Oil

RRP £9.95
£9.95
Add To Basket
Price Beater
Castrol TRANSMAX Manual EP 80W Mineral Transmission Fluid

Castrol TRANSMAX Manual EP 80W Mineral Transmission Fluid

Opie Price
£7.99
Add To Basket
Price Beater
Fuchs TITAN SINTOPOID LS SAE 75W-140 synthetic gear oil

Fuchs TITAN SINTOPOID LS SAE 75W-140 synthetic gear oil

1 Litre

Opie Price
£17.95
Add To Basket
Price Beater
Fuchs Titan Race Gear 90 LS High Performance Gear And Limited Slip Diff Oil

Fuchs Titan Race Gear 90 LS High Performance Gear And Limited Slip Diff Oil

1 Litre

Opie Price
£9.95
Add To Basket
Price Beater
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
£28.99
Add To Basket
Price Beater
Millers Oils Classic Differential Oil 85W-140 GL5

Millers Oils Classic Differential Oil 85W-140 GL5

Opie Price
£13.99
Add To Basket
Price Beater
Millers Oils Classic Gear Oil EP 140 GL4

Millers Oils Classic Gear Oil EP 140 GL4

Opie Price
£46.99
Add To Basket
Price Beater
Amsoil Synthetic Tractor Hydraulic/Transmission Oil SAE 5W-30

Amsoil Synthetic Tractor Hydraulic/Transmission Oil SAE 5W-30

1 US Quart

Opie Price
£19.99
Add To Basket
Price Beater
Motul Gear 300 LS 75w-90 Fully Synthetic Racing Limited Slip Differential Oil

Motul Gear 300 LS 75w-90 Fully Synthetic Racing Limited Slip Differential Oil

RRP £37.99
£27.95
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
Comma SX 75w-90 GL-4 Semi Synthetic Transmission Fluid

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

Opie Price
£8.95
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
£6.95
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
Castrol TRANSMAX Manual EP 80W-90 Mineral Transmission Fluid

Castrol TRANSMAX Manual EP 80W-90 Mineral Transmission Fluid

Opie Price
£8.95
Add To Basket
Price Beater
1
23
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