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API GL-5 Gear Oil

Keep your gearbox and differentials in peak condition with high-performance API GL-5 gear oil from Opie Oils. Designed for extreme pressure applications, API GL-5 transmission oil offers excellent protection against wear, corrosion, and high-temperature breakdown. Browse our full range below to find the ideal gear oil for your vehicle.

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82 Products (Viewing: 1 - 60 of 82)

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Motul Gear 300 75w-90 Fully Synthetic Racing Transmission & Differential Oil
Motul Gear Competition 75w-140 Fully Synthetic Racing Transmission & LS Differential Oil
Millers Oils Motorsport CRX LS 75w-90 NT+ Nanodrive Fully Synthetic Transmission Oil
RRP £21.95
£17.95
Price Beater
Fuchs Titan Race Gear 90 LS High Performance Gear And Limited Slip Diff Oil
Mobil Mobilube 1 SHC 75W-90 Fully Synthetic High Performance Manual Gearbox Oil
Millers Oils Motorsport CRX 75w-90 NT+ Nanodrive Fully Synthetic Transmission Oil
RRP £22.95
£17.95
Price Beater
Fuchs Titan Sintopoid FE SAE 75W-85 Fully Synthetic Gear Oil
Castrol TRANSMAX Limited Slip LL 75W-140 Fully Synthetic Hypoid Gear Oil
Motul Gear 300 LS 75w-90 Fully Synthetic Racing Limited Slip Differential Oil
Millers Oils Classic Differential Oil EP 90 GL5
Opie Price
£45.95
Price Beater
Millers Oils Motorsport CRX LS 75w-140 NT+ Nanodrive Fully Synthetic Transmission Oil
RRP £23.95
£17.95
Price Beater
Millers Oils XF Premium MTF 75w-90 Fully Synthetic Transmission Oil
RRP £13.95
£11.95
Price Beater
Fuchs Titan Race SYN 5 75W-90 Fully Synthetic Gear Oil
Opie Price
£16.99
Price Beater
RED LINE LightWeight ShockProof Gear Oil 75w-90

1 US Quart (0.946 litre)

RRP £30.60
£29.95
Price Beater
Motul Motylgear 75w-80 EP Technosynthese Car Transmission Fluid
RRP £17.99
£11.95
Price Beater
RED LINE Synthetic Gear Oil 75W-90 GL5
RRP £28.20
£26.95
Price Beater
Castrol TRANSMAX Universal 75W-90 Multipurpose Gear Oil
Opie Price
£15.95
Price Beater
Millers Oils Motorsport CRX 75w-80 NT+ Nanodrive Fully Synthetic Transmission Oil
RRP £23.95
£19.99
Price Beater
Millers Oils Gear Oil Limited Slip 90 GL5
RRP £14.95
£12.95
Price Beater
Millers Oils EE Performance MTF 75w85 Gear Oil
RRP £23.95
£20.95
Price Beater
Fuchs TITAN SINTOPOID SAE 75W-90 synthetic gear oil
Comma EP 80w-90 GL-5 Mineral Manual Transmission Fluid
Opie Price
£7.99
Price Beater
Millers Oils XF Premium MTF 75w-80 Fully Synthetic Transmission Oil
RRP £9.95
£9.95
Price Beater
Castrol TRANSMAX Limited Slip Z 85W-90 Mineral Axle Fluid
Castrol TRANSMAX Axle Long Life 75W-90 Fully Synthetic Rear Axle Fluid
Millers Oils Motorsport CRX 75w-140 NT+ Nanodrive Fully Synthetic Transmission Oil
RRP £21.95
£16.99
Price Beater
RED LINE High Performance 75W-85 GL-5 Fully Synthetic Gear Oil
RED LINE HEAVY ShockProof Gear Oil 75w-140

1 US Quart (0.946 litre)

RRP £30.60
£28.99
Price Beater
Millers Oils NANODRIVE Hewland UPB 75w-90 LS Transmission Oil
On Sale
Was £52.99
£40.34
Price Beater
Liqui Moly GL5 SAE 80W-90 Mineral Based Hypoid Gear Oil
Comma SX 75w-90 GL-5 Semi Synthetic Transmission Fluid
Opie Price
£8.95
Price Beater
Amsoil Synthetic SEVERE Gear Oil 75w-90
Opie Price
£23.95
Price Beater
Fuchs Titan Gear Syn 75W-90 Semi Synthetic Driveline Oil
Opie Price
£11.95
Price Beater
Liqui Moly GL5 SAE 75W-90 Fully Synthetic Gear Oil
Liqui Moly GL5 LS SAE 75W-140 Fully Synthetic Hypoid Gear Oil
Opie Price
£32.95
Price Beater
Febi Bilstein SAE 80W-90 GL-4/5 Gear Oil (170166)
Motul Motylgear 75w-85 Technosynthese Transmission Fluid
Valvoline Axle Oil 75W-90
Valvoline Axle Oil 75W-90 LS
Valvoline Gear Oil 75W-80 RPC
Liqui Moly GL5 SAE 85W-90 Mineral Based Hypoid Gear Oil
Motul Motylgear 75w-90 Technosynthese Transmission & Differential Oil
EXOPRO 75w-90 SS GL4 and GL5 Semi Synthetic Extreme Pressure Gear Oil
EXOPRO 80w-90 HD Heavy Duty Extreme Pressure Gear Oil
Opie Price
£29.95
Price Beater
EXOPRO 75w-90 FS GL5 Gear Oil
Opie Price
£39.95
Price Beater
EXOPRO 75W-80 HD GL5 Semi-synthetic based GL-4 & GL-5 gear oil
Opie Price
£41.95
Price Beater
Millers Oils Trident Professional MTF 75w-90 Semi Synthetic Transmission Oil
RRP £12.95
£10.99
Price Beater
Fuchs Titan Supergear LS 80W-90 High Performance Limited Slip Hypoid Gear Oil
Castrol TRANSMAX Universal LL 75W-90 Fully Synthetic Transmission Fluid
Fuchs Titan Cytrac SL Fully Synthetic Gearbox Oil 75W-90
RED LINE Synthetic Gear Oil 75W-110 GL5

1 US Quart (0.946 litre)

Opie Price
£28.99
Price Beater
Valvoline Heavy Duty TDL Pro 75w-90 Full Synthetic Gear Oil
Shell Spirax S5 ATE 75W-90 Synthetic Technology High Performance Gear Oil
RED LINE Gear Oil 75w-140 GL-5

1 US Quart (0.946 litre)

RRP £29.40
£28.99
Price Beater
Fuchs Titan Supergear Plus SAE 80W-90 High Performance Gear Oil
Free Shipping
Opie Price
£99.95
Price Beater
Fuchs TITAN SINTOPOID LS SAE 75W-140 synthetic gear oil
Gulf Competition Racing Gear Oil 75w-90
Clearance
Was £79.99
£57.34
Price Beater
Millers Oils Classic Differential Oil 85W-140 GL5
Opie Price
£13.99
Price Beater
Castrol TRANSMAX Axle EPX 80W-90 Multipurpose Axle Fluid
Opie Price
£10.99
Price Beater
Millers Oils Ginetta Tech LS 75w-90 Fully Synthetic Competition Gear Oil
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GL-5 specification gear oils are made for severe conditions, containing up to 6.5% effective anti-scuffing additives. The general application of oils in this class is for hypoid gears with significant displacement of axes. The most common use of GL5 oils is in differentials, but they are often used in gearboxes and sometimes in transfer boxes.

There is a lot of out-of-date and incorrect information about GL5 oils being unsafe for use in a lot of gearboxes. If you are concerned about that, please contact our expert team for more details, but generally, gearboxes are fine with GL5 oils.

At Opie Oils, we stock a comprehensive selection of API GL-5 oil, with options from leading brands such as Castrol, Millers Oils, Red Line, and LIQUI MOLY. Whether you need a mineral, semi-synthetic, or fully synthetic formula, we have the perfect solution to meet your vehicle’s specifications.

Shop for GL-5 gearbox oil at Opie Oils today, and don’t forget to explore our full range of transmission fluids and differential oils to keep your vehicle running at its best.