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As a Cornish business, we have been affected by Storm Goretti. Our couriers aren't collecting today and we're unable to pack orders, so unfortunately there will be some delays to order dispatch. We apologise for any delay and the resulting inconvenience.

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Note: These results are not specific to your vehicle registration.
Please use our separate Oil & Parts Finder to search by vehicle registration.

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Free UK delivery £80+ (geographic restrictions apply)
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01209 202944

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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153 Products (Viewing: 1 - 60 of 153)

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

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

1 US Quart (0.946 litre)

RRP £28.20
£27.95
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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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Motul Gear 300 75w-90 Fully Synthetic Racing Transmission & Differential Oil

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

Opie Price
£20.95
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Motul Motylgear 75w-90 Technosynthese Transmission & Differential Oil

Motul Motylgear 75w-90 Technosynthese Transmission & Differential Oil

RRP £14.95
£12.95
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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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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
£14.95
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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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Price Beater
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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Price Beater
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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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 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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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 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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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
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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
£10.99
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Price Beater
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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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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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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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
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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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Elf Tranself NFX SAE 75W EP Synthetic Technology Transmission Fluid

Elf Tranself NFX SAE 75W EP Synthetic Technology Transmission Fluid

Opie Price
£14.95
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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
£20.95
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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
£11.95
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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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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 £35.95
£24.95
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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
Castrol TRANSMAX Universal 75W-90 Multipurpose Gear Oil

Castrol TRANSMAX Universal 75W-90 Multipurpose Gear Oil

Opie Price
£17.95
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
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Price Beater
TotalEnergies Traxium Gear 8 75W-80 Manual Transmission Gear Oil

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

1 Litre

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

Millers Oils Classic Differential Oil EP 90 GL5

Opie Price
£44.95
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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
Millers Oils EE Performance MTF 75w85 Gear Oil

Millers Oils EE Performance MTF 75w85 Gear Oil

RRP £23.95
£21.95
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Price Beater
Millers Oils EE Performance MTF 75w90 Gear Oil

Millers Oils EE Performance MTF 75w90 Gear Oil

RRP £25.95
£24.95
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Amsoil Synthetic Manual Transmission & Transaxle Gear Lube 75W-90

Amsoil Synthetic Manual Transmission & Transaxle Gear Lube 75W-90

1 US Quart

Opie Price
£21.95
Add To Basket
Price Beater
Motul Motylgear 75w-80 EP Technosynthese Car Transmission Fluid

Motul Motylgear 75w-80 EP Technosynthese Car Transmission Fluid

RRP £14.95
£11.95
Add To Basket
Price Beater
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
Add To Basket
Price Beater
Liqui Moly GL5 SAE 80W-90 Mineral Based Hypoid Gear Oil

Liqui Moly GL5 SAE 80W-90 Mineral Based Hypoid Gear Oil

1 Litre - SKU 4406

Opie Price
£10.99
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Price Beater
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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Price Beater
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
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
£13.99
Add To Basket
Price Beater
Millers Oils Classic Gear Oil EP 80W-90 GL4

Millers Oils Classic Gear Oil EP 80W-90 GL4

RRP £12.95
£11.95
Add To Basket
Price Beater
Millers Oils Classic Mini Oil 20w-50 Engine Oil

Millers Oils Classic Mini Oil 20w-50 Engine Oil

RRP £38.95
£37.99
Add To Basket
Price Beater
Millers Oils EE Performance MTF 75w Gear Oil

Millers Oils EE Performance MTF 75w Gear Oil

Opie Price
£19.99
Add To Basket
Price Beater
Motul Motylgear 75w-85 Technosynthese Transmission Fluid

Motul Motylgear 75w-85 Technosynthese Transmission Fluid

1 Litre

Opie Price
£13.99
Add To Basket
Price Beater
Castrol B 373 Racing Mineral Car Gearbox Oil

Castrol B 373 Racing Mineral Car Gearbox Oil

1 Litre

Opie Price
£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
£9.95
Add To Basket
Price Beater
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
Add To Basket
Price Beater
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
£17.95
Add To Basket
Price Beater
Motul Gear Power 75w-80 Fully Synthetic Manual Transmission Fluid

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

1 Litre

RRP £19.96
£17.95
Add To Basket
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
Add To Basket
Price Beater
Castrol Classic EP90 Mineral Based Multi-Purpose Extreme Pressure Oil

Castrol Classic EP90 Mineral Based Multi-Purpose Extreme Pressure Oil

Opie Price
£17.95
Add To Basket
Price Beater
Castrol TRANSMAX Axle EPX 80W-90 Multipurpose Axle Fluid

Castrol TRANSMAX Axle EPX 80W-90 Multipurpose Axle Fluid

Opie Price
£10.99
Add To Basket
Price Beater
Comma EP 75w-80 Plus Mineral Manual Transmission Fluid

Comma EP 75w-80 Plus Mineral Manual Transmission Fluid

Opie Price
£8.95
Add To Basket
Price Beater
Comma EP 80w-90 GL-4 Mineral Manual Transmission Fluid

Comma EP 80w-90 GL-4 Mineral Manual Transmission Fluid

Opie Price
£7.99
Add To Basket
Price Beater
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
Add To Basket
Price Beater
Comma SX 75w-90 GL-4 Semi Synthetic Transmission Fluid

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

Opie Price
£7.99
Add To Basket
Price Beater
RED LINE MT90 75W-90 GL4 Synthetic Manual Gear Oil

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

Opie Price
£35.95
Add To Basket
Price Beater
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
Add To Basket
Price Beater
Millers Oils Vintage Green Gear Oil 90 GL1

Millers Oils Vintage Green Gear Oil 90 GL1

Opie Price
£11.95
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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