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API GL-4 Gear Oil

API GL-4 oils are for various conditions - light to heavy. Designed for bevel and hypoid gears which have small displacement of axes, and axle units. Recommended for non-synchronized gearboxes of lorries, tractors and buses and for main and other gears of all vehicles. These oils are basic for synchronized gearboxes.

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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105 Products (Viewing: 1 - 60 of 105)

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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
£28.99
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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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Castrol TRANSMAX Manual Multivehicle 75W-90 Fully Synthetic Transmission Fluid

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

1 Litre

Opie Price
£18.95
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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
£13.99
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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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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
£21.95
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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
£21.95
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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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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 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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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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Motul Multi DCTF Synthetic Dual Clutch Transmission Fluid (Dry & Wet)

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

1 Litre

RRP £19.96
£17.95
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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
£11.95
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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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Amsoil Synthetic SEVERE Gear Oil 75w-90

Amsoil Synthetic SEVERE Gear Oil 75w-90

Opie Price
£24.95
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Motul Motylgear 75w-80 EP Technosynthese Car Transmission Fluid

Motul Motylgear 75w-80 EP Technosynthese Car Transmission Fluid

RRP £14.95
£12.95
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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

RRP £19.96
£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

RRP £19.96
£15.95
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Motul HD 80w-90 Extreme Pressure Mineral Transmission & Differential Fluid

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

RRP £19.95
£9.95
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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
£17.95
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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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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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Fuchs Titan Race SYNCHRO 75W-90 Fully Synthetic Gear Oil

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

1 Litre

Opie Price
£18.95
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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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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
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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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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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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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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
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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 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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Comma EP 80w-90 GL-4 Mineral Manual Transmission Fluid

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

Opie Price
£7.99
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Motul Motylgear 75w-85 Technosynthese Transmission Fluid

Motul Motylgear 75w-85 Technosynthese Transmission Fluid

1 Litre

Opie Price
£13.99
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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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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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Comma EP 75w-80 Plus Mineral Manual Transmission Fluid

Comma EP 75w-80 Plus Mineral Manual Transmission Fluid

Opie Price
£8.95
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Comma SX 75w-90 GL-5 Semi Synthetic Transmission Fluid

Comma SX 75w-90 GL-5 Semi Synthetic Transmission Fluid

Opie Price
£8.95
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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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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 EE Performance MTF 75w80 Gear Oil

Millers Oils EE Performance MTF 75w80 Gear Oil

RRP £20.95
£18.95
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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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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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Fuchs Titan Supergear Plus SAE 80W-90 High Performance Gear Oil
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Fuchs Titan Supergear Plus SAE 80W-90 High Performance Gear Oil

Opie Price
£99.95
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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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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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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 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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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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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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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
£18.95
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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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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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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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Comma EP 80w-90 GL-5 Mineral Manual Transmission Fluid

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

Opie Price
£7.99
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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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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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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 Classic Gear Oil EP 140 GL4

Millers Oils Classic Gear Oil EP 140 GL4

Opie Price
£46.99
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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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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
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A wide selection of gear oil meeting the API GL-4 gear oil specification available for purchase here.
Free UK delivery £80+ (geographic restrictions apply)
60 Day Returns
Free Expert Advice
No Leak Guarantee
01209 202944