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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: 60 - 82 of 82)

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TotalEnergies Traxium Axle 7 80W-90 Gear Oil
Opie Price
£7.99
Price Beater
Silkolene BOA 80W-90 For Gearboxes And Final Drives GL4 GL5
Castrol TRANSMAX Axle EPX 85W-140 Multipurpose Axle Fluid
Opie Price
£36.95
Price Beater
Mobil Mobilube HD 80W-90 GL-5 Heavy Duty Gear Oil
Millers Oils Ginetta Tech 75w-90 Fully Synthetic Competition Gear Oil
Millers Oils NANODRIVE Hewland UPB 75w-140 LS Transmission Oil
RRP £58.00
£48.95
Price Beater
Comma LS 80w-90 GL-5 Mineral Limited Slip Differential Oil
Comma EP 85w-140 GL-5 Mineral Manual Transmission Fluid
Opie Price
£7.99
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
Millers Oils EE Performance MTF 75w90 Gear Oil
RRP £25.95
£24.95
Price Beater
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
RED LINE SuperLight ShockProof Gear Oil 70w-75

1 US Quart (0.946 litre)

RRP £30.60
£28.99
Price Beater
Millers Oils EE Performance MTF 75w80 Gear Oil
RRP £20.95
£18.95
Price Beater
Febi Bilstein 75w-85 Axle Drive Oil GL-5 | 48785
Petronas Tutela Axle 500 SAE 75W-90 Semi Synthetic Axle Fluid
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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There is a lot of out-of-date and incorrect information about GL5 oils being unsafe for use in a lot of gearboxes.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.