API Gear Oil Specifications

American Petroleum Institute (API) have a number of gearbox specifications that are highly regarded within the motoring world. If you are looking for a specific API oil specification then you will find Opie Oils extensive range below.

Making sure that you get the correct oil for your vehicle will increase the life span, the performance and shift quality of your gearbox.

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.

Mobil EP 75W-80 Multi-Vehicle Mineral Manual Transmission Fluid

1 Litre

Opie Price

£17.95

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Mobil 75W Multi-Vehicle Manual Transmission Fluid

1 Litre

Opie Price

£17.95

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Mobil 75W-80 Multi-Vehicle Manual Transmission Fluid

1 Litre

Opie Price

£17.95

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Mobil 75W-90 Multi-Vehicle Manual Transmission Fluid

1 Litre

Opie Price

£17.95

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

1 Litre

Opie Price

£23.99

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RED LINE High Performance Synthetic MT-85 75W85 GL-4 Gear Oil

1 US Quart (0.946 Litre)

RRP £28.20

£27.95

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Millers Oils XF Premium MTF 75w-80 Fully Synthetic Transmission Oil

Opie Price

£12.95

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Febi Bilstein 75w-85 Axle Drive Oil GL-5 | 48785

1 Litre

Opie Price

£21.95

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Millers Oils Ginetta Tech LS 75w-90 Fully Synthetic Competition Gear Oil

1 Litre

Opie Price

£33.95

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Millers Oils Ginetta Tech 75w-90 Fully Synthetic Competition Gear Oil

1 Litre

Opie Price

£30.95

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Amsoil Synthetic Tractor Hydraulic/Transmission Oil SAE 5W-30

1 US Quart

RRP £23.08

£22.99

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Shell Spirax S5 ATE 75W-90 Synthetic Technology High Performance Gear Oil

20 Litres

Opie Price

£366.95

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Castrol TRANSMAX Manual FE 75W Fully Synthetic Transmission Fluid

1 Litre

Opie Price

£22.99

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Millers Oils Vintage Green Gear Oil 140 GL1

RRP £62.95

£51.95

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Millers Oils Vintage Millerol 30 Monograde Mineral Engine Oil

RRP £16.96

£15.95

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Millers Oils Vintage Millerol 50 Monograde Mineral Engine Oil

RRP £57.95

£45.95

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Millers Oils EE Performance MTF 75w85 Gear Oil

RRP £26.99

£26.95

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EXOPRO 75w-90 SS GL4 and GL5 Semi Synthetic Extreme Pressure Gear Oil

1 Litre

Opie Price

£12.95

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EXOPRO MTF LV Fully Synthetic Transmission Fluid

5 Litres

Opie Price

£61.99

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EXOPRO 75w FS GL4 Manual Transmission Fluid

5 Litres

Opie Price

£60.95

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RED LINE Synthetic Gear Oil 80w-140 GL5

1 US Quart (0.946 litre)

RRP £28.20

£27.95

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Castrol TRANSMAX Axle EPX 85W-140 Multipurpose Axle Fluid

Opie Price

£46.99

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Castrol TRANSMAX Manual Z Long Life 75W-80 Fully Synthetic Transmission Fluid

20 Litres

Opie Price

£271.99

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Mobil Mobilube HD 80W-90 GL-5 Heavy Duty Gear Oil

20 Litres

Opie Price

£163.99

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Comma MV MTF Plus 75w-90 Fully Synthetic Manual Transmission Fluid

Opie Price

£18.95

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

Opie Price

£10.99

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Comma MV MTF Plus 75w Fully Synthetic Manual Transmission Fluid

Opie Price

£18.95

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If you are looking for a specific API gear oil specification, take a look at our extensive range here.

111800	millersoils/millers-oils-xf-premium-mtf-75w-80-fully-synthetic-transmission-oil-1-litre-1.jpg	1	10.79	10.79	20	Sale Price	1	0	1
111801	millersoils/millers-oils-xf-premium-mtf-75w-80-fully-synthetic-transmission-oil-5-litres-1.jpg	1	44.96	44.96	20	Sale Price	1	0	0
365196	millersoils/millers-oils-xf-premium-mtf-75w-80-fully-synthetic-transmission-oil-20-litres-1.jpg	1	124.16	0.01	20	Sale Price	1	1	0

91282	millersoils/millers-oils-vintage-green-gear-oil-140-gl1-1l-1.jpg	1	15.79	15.79	20	Sale Price	1	0	0
91284	millersoils/millers-oils-vintage-green-gear-oil-140-gl1-5-litres-1.jpg	1	43.29	52.46	20	Sale Price	1	0	1
91288	millersoils/millers-oils-vintage-green-gear-oil-140-gl1-20-litres-1.jpg	1	116.66	0.01	20	Sale Price	1	1	0

91232	millersoils/millers-oils-vintage-millerol-30-monograde-mineral-engine-oil-1l-1.jpg	1	13.29	14.13	20	Sale Price	1	0	1
91234	millersoils/millers-oils-vintage-millerol-30-monograde-mineral-engine-oil-5-litres-1.jpg	1	34.96	44.96	20	Sale Price	1	0	0
91238	millersoils/millers-oils-vintage-millerol-30-monograde-mineral-engine-oil-20-litres-1.jpg	1	102.46	0.01	20	Sale Price	1	1	0

91242	millersoils/millers-oils-vintage-millerol-50-monograde-mineral-engine-oil-1l-1.jpg	1	14.96	14.96	20	Sale Price	1	0	0
91244	millersoils/millers-oils-vintage-millerol-50-monograde-mineral-engine-oil-5-litres-1.jpg	1	38.29	48.29	20	Sale Price	1	0	1
91248	millersoils/millers-oils-vintage-millerol-50-monograde-mineral-engine-oil-20-litres-1.jpg	1	104.96	0.01	20	Sale Price	1	1	0

414043	millersoils/millers-oils-ee-performance-mtf-75w85-gear-oil-1-litre-1.jpg	1	22.46	22.49	20	Sale Price	1	0	1
414033	millersoils/millers-oils-ee-performance-mtf-75w85-gear-oil-5-litres-1.jpg	1	79.96	107.46	20	Sale Price	1	1	0
414041	millersoils/millers-oils-ee-performance-mtf-75w85-gear-oil-20-litres-1.jpg	1	311.66	0.01	20	Sale Price	1	1	0

216331	castrol/castrol-transmax-axle-epx-85w-140-multipurpose-axle-fluid-5-litres-1.jpg	1	39.16	0.00	0.01	20	Sale Price	1	0	1
112090	castrol/castrol-transmax-axle-epx-85w-140-multipurpose-axle-fluid-20-litres-1.jpg	1	116.66	0.00	0.01	20	Sale Price	1	1	0

246913	comma/comma-mv-mtf-plus-75w-90-fully-synthetic-manual-transmission-fluid-1-litre-1.jpg	1	15.79	0.00	0.01	20	Sale Price	1	0	1
246915	comma/comma-mv-mtf-plus-75w-90-fully-synthetic-manual-transmission-fluid-5-litres-1.jpg	1	57.46	0.00	0.01	20	Sale Price	1	0	0

246887	comma/comma-ep-80w-90-gl-5-mineral-manual-transmission-fluid-1-litre-1.jpg	1	9.16	0.00	0.01	20	Sale Price	1	0	1
246889	comma/comma-ep-80w-90-gl-5-mineral-manual-transmission-fluid-5-litres-1.jpg	1	33.29	0.00	0.01	20	Sale Price	1	0	0

246907	comma/comma-mv-mtf-plus-75w-fully-synthetic-manual-transmission-fluid-1-litre-1.jpg	1	15.79	0.00	0.01	20	Sale Price	1	0	1
246909	comma/comma-mv-mtf-plus-75w-fully-synthetic-manual-transmission-fluid-5-litres-1.jpg	1	58.29	0.00	0.01	20	Sale Price	1	0	0