DELAYS TO DISPATCH:
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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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
Comma SX 75w-90 GL-4 Semi Synthetic Transmission Fluid
Opie Price
£7.99
Price Beater
Comma EP 75w-80 Plus Mineral Manual Transmission Fluid
Opie Price
£8.95
Price Beater
Comma EP 80w-90 GL-4 Mineral Manual Transmission Fluid
Opie Price
£7.99
Price Beater
Castrol Classic ST90 Monograde SAE90 Mineral Gear Oil
Valvoline 75w-90 Full Synthetic Gear Oil
Valvoline Gear Oil 75w-80
RED LINE High Performance Synthetic MT-85 75W85 GL-4 Gear Oil
Valvoline Gear Oil 75W

1 Litre

Opie Price
£15.95
Price Beater
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.