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.

Millers Oils Gear Oil Limited Slip 90 GL5

RRP £14.95

£12.95

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Millers Oils EE Performance MTF 75w80 Gear Oil

RRP £20.95

£18.95

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Millers Oils EE Performance MTF 75w85 Gear Oil

RRP £23.95

£21.95

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Petronas Tutela Axle 500 SAE 75W-90 Semi Synthetic Axle Fluid

1 Litre

Opie Price

£10.99

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Petronas Tutela MTF 300 80W-90 Mineral Manual Transmission Fluid

1 Litre

Opie Price

£9.95

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Gulf Competition Racing Gear Oil 75w-90

Was £79.99

£57.34

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Millers Oils Vintage Millerol 30 Monograde Mineral Engine Oil

Opie Price

£15.95

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

Opie Price

£13.99

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Motul Gearbox 80w-90 EP Mineral Gear & Differential Oil

1 Litre

RRP £19.96

£17.95

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Amsoil Synthetic Manual Transmission & Transaxle Gear Lube 75W-90

1 US Quart

Opie Price

£21.95

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Liqui Moly GL4+ SAE 75W-90 Fully Synthetic Gear Oil

1 Litre - SKU 4434

Opie Price

£18.95

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Liqui Moly Top Tec MTF 5100 75W Transmission Fluid

1 Litre - SKU 20842

Opie Price

£14.95

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Liqui Moly Top Tec MTF 5200 75W-80 Transmission Fluid

1 Litre - SKU 20845

Opie Price

£14.95

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RED LINE SuperLight ShockProof Gear Oil 70w-75

1 US Quart (0.946 litre)

RRP £30.60

£28.99

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

1 Litre

RRP £19.96

£17.95

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Fuchs TITAN SINTOPOID LS SAE 75W-140 synthetic gear oil

1 Litre

Opie Price

£17.95

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

20 Litres

Opie Price

£312.95

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Castrol TRANSMAX Manual FE 75W Fully Synthetic Transmission Fluid

1 Litre

Opie Price

£17.95

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RED LINE Gear Oil 75w-140 GL-5

1 US Quart (0.946 litre)

RRP £29.40

£28.99

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

1 US Quart

Opie Price

£19.99

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Millers Oils Vintage Green Gear Oil 90 GL1

Opie Price

£11.95

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Millers Oils Vintage Millerol 50 Monograde Mineral Engine Oil

Opie Price

£38.95

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Millers Oils Classic Differential Oil 85W-140 GL5

Opie Price

£13.99

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Fuchs Titan Cytrac Manual Synthetic Gearbox Oil 75W-80

20 Litres

RRP £173.16

£159.95

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Fuchs Titan Cytrac SL Fully Synthetic Gearbox Oil 75W-90

20 Litres

RRP £213.84

£160.99

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Fuchs Agrifarm STO 15W-30 High Performance Multifunctional Tractor Oil

20 Litres

Opie Price

£79.99

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Fuchs Agrifarm STO Plus 10W-30 High Quality Universal Super Tractor Oil

20 Litres

Opie Price

£89.95

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Castrol Classic EP140 Mineral Based Extreme Pressure Oil

1 Litre

Opie Price

£16.99

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Fuchs Titan Supergear LS 80W-90 High Performance Limited Slip Hypoid Gear Oil

20 Litre

Opie Price

£119.95

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

1 Litre

Opie Price

£13.99

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Mobil 75W Multi-Vehicle Manual Transmission Fluid

1 Litre

Opie Price

£14.95

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Mobil 75W-80 Multi-Vehicle Manual Transmission Fluid

1 Litre

Opie Price

£13.99

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

402445	millersoils/millers-gear-oil-limited-slip-90-gl5-1-litre-1.jpg	1	10.79	0.00	12.46	20	Sale Price	1	0	1
402447	millersoils/millers-gear-oil-limited-slip-90-gl5-20-litres-1.jpg	1	149.96	0.00	0.01	20	Sale Price	1	1	0

414031	millersoils/millers-oils-ee-performance-mtf-75w80-gear-oil-1-litre-1.jpg	1	15.79	17.46	20	Sale Price	1	0	1
414021	millersoils/millers-oils-ee-performance-mtf-75w80-gear-oil-5litres-1.jpg	1	64.96	74.96	20	Sale Price	1	0	0
414029	millersoils/millers-oils-ee-performance-mtf-75w80-gear-oil-20-litres-1.jpg	1	249.96	252.49	20	Sale Price	1	1	0

414043	millersoils/millers-oils-ee-performance-mtf-75w85-gear-oil-1-litre-1.jpg	1	18.29	19.96	20	Sale Price	1	0	1
414033	millersoils/millers-oils-ee-performance-mtf-75w85-gear-oil-5-litres-1.jpg	1	73.29	86.63	20	Sale Price	1	1	0
414041	millersoils/millers-oils-ee-performance-mtf-75w85-gear-oil-20-litres-1.jpg	1	274.96	294.99	20	Sale Price	1	1	0

90101	gulf/gulf-competition-racing-gear-oil-75w-90-5-litres-1.jpg	1	66.66	47.78	0.01	20	Clearance Price	7	0	1
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91232	millersoils/millers-oils-vintage-millerol-30-monograde-mineral-engine-oil-1l-1.jpg	1	13.29	9.13	20	Sale Price	1	0	1
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91238	millersoils/millers-oils-vintage-millerol-30-monograde-mineral-engine-oil-20-litres-1.jpg	1	83.29	89.16	20	Sale Price	1	1	0

246913	comma/comma-mv-mtf-plus-75w-90-fully-synthetic-manual-transmission-fluid-1-litre-1.jpg	1	11.66	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	48.29	0.00	0.01	20	Sale Price	1	0	0

89751	millersoils/millers-oils-vintage-green-gear-oil-90-gl1-1l-1.jpg	1	9.96	9.96	20	Sale Price	1	0	1
91290	millersoils/millers-oils-vintage-green-gear-oil-90-gl1-5-litres-1.jpg	1	34.96	30.79	20	Sale Price	1	0	0
91294	millersoils/millers-oils-vintage-green-gear-oil-90-gl1-20-litres-1.jpg	1	91.66	100.83	20	Sale Price	1	1	0

91242	millersoils/millers-oils-vintage-millerol-50-monograde-mineral-engine-oil-1l-1.jpg	1	9.96	9.96	20	Sale Price	1	0	0
91244	millersoils/millers-oils-vintage-millerol-50-monograde-mineral-engine-oil-5-litres-1.jpg	1	32.46	29.96	20	Sale Price	1	0	1
91248	millersoils/millers-oils-vintage-millerol-50-monograde-mineral-engine-oil-20-litres-1.jpg	1	91.66	89.99	20	Sale Price	1	1	0

91264	millersoils/millers-oils-classic-differential-oil-85w-140-gl5-1l-1.jpg	1	11.66	11.63	20	Sale Price	1	0	1
91266	millersoils/millers-oils-classic-differential-oil-85w-140-gl5-5-litres-1.jpg	1	39.96	37.46	20	Sale Price	1	0	0
91270	millersoils/millers-oils-classic-differential-oil-85w-140-gl5-20-litres-1.jpg	1	116.66	128.33	20	Sale Price	1	1	0