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API GL-3 Gear Oil

The API GL-3 gear oil specification was introduced by the American Petroleum Institute (API) for manual gearboxes under moderate to severe stress and spiral-bevelled axels under moderate conditions and load, these oils contain up to 2.7% anti wear additives. API GL-3 is NOT recommended for hypoid gears.

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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10 Products

RED LINE Synthetic Manual Transmission Lubricant MTL 75W-80 GL4
RED LINE Synthetic Manual Transmission MT-LV 70W/75W
Castrol Classic ST90 Monograde SAE90 Mineral Gear Oil
Valvoline 75w-90 Full Synthetic Gear Oil
Comma SX 75w-90 GL-4 Semi Synthetic Transmission Fluid
Opie Price
£8.95
Price Beater
Valvoline Gear Oil 75w-80
Comma EP 75w-80 Plus Mineral Manual Transmission Fluid
Opie Price
£7.99
Price Beater
Comma EP 80w-90 GL-4 Mineral Manual Transmission Fluid
Opie Price
£6.95
Price Beater
Valvoline Gear Oil 75W

1 Litre

Opie Price
£15.95
Price Beater
RED LINE High Performance Synthetic MT-85 75W85 GL-4 Gear Oil
Oil meeting the API GL-3 gear oil specification listed here. However, a GL-4 or GL-5 oil is usually recommended for most applications.