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.

TotalEnergies Traxium Axle 7 80W-90 Gear Oil

Opie Price

£12.95

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Castrol Transmax Agri MP 15W-40

20 Litres

Opie Price

£152.95

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Silkolene BOA 80W-90 For Gearboxes And Final Drives GL4 GL5

1 Litre

Opie Price

£13.99

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Elf Tranself NFX SAE 75W EP Synthetic Technology Transmission Fluid

Opie Price

£20.95

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

1 Litre

Opie Price

£16.99

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Mobil 75W Multi-Vehicle Manual Transmission Fluid

1 Litre

Opie Price

£16.99

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Castrol TRANSMAX Axle EPX 85W-140 Multipurpose Axle Fluid

Opie Price

£38.95

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

20 Litres

Opie Price

£240.95

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

20 Litres

Opie Price

£129.95

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Millers Oils NANODRIVE Hewland UPB 75w-90 LS Transmission Oil

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Millers Oils NANODRIVE Hewland UPB 75w-90 LS Transmission Oil

5 Litres - CLEARANCE

Was £229.99

£187.42

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Millers Oils NANODRIVE Hewland UPB 75w-140 LS Transmission Oil

1 Litre - CLEARANCE

Was £46.99

£36.97

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Comma MV MTF Plus 75w Fully Synthetic Manual Transmission Fluid

Opie Price

£17.95

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Petronas Tutela MTF 900 75W-70 Fully Synthetic Manual Transmission Fluid

1 Litre

Opie Price

£27.95

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Febi Bilstein Gear Oil SAE 70W-80 GL-5 (184247)

1 Litres

Opie Price

£24.95

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Castrol TRANSMAX Manual V 75W-80 Fully Synthetic Transmission Fluid

1 Litre

Opie Price

£21.95

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Motul Drive Supra 80w-90 Heavy Duty Transmission Fluid

1 Litre

Opie Price

£15.95

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Millers Oils EE Performance MTF 75w Gear Oil

Opie Price

£20.95

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Castrol Transmax Manual Long Life 75W-85 Transmission Fluid

20 Litres

Opie Price

£281.95

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Millers Oils Vintage Green Gear Oil 90 GL1

Opie Price

£15.95

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

20 Litres

Opie Price

£341.95

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Castrol TRANSMAX Manual FE 75W Fully Synthetic Transmission Fluid

1 Litre

Opie Price

£19.99

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Millers Oils Vintage Millerol 50 Monograde Mineral Engine Oil

RRP £46.99

£41.95

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

1 US Quart

Opie Price

£19.99

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Fuchs Titan Supergear Plus SAE 80W-90 High Performance Gear Oil

Opie Price

£100.99

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

1 Litre

RRP £19.96

£18.95

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TotalEnergies Traxium Dual 9 FE 75w-90 Commercial Vehicle Gear Oil

1 Litre

Opie Price

£16.99

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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 Manual Synchromesh Transmission Fluid MTF

1 US Quart

Opie Price

£22.99

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Comma EP 75w-80 Plus Mineral Manual Transmission Fluid

Opie Price

£12.95

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Comma LS 80w-90 GL-5 Mineral Limited Slip Differential Oil

1 Litre

Opie Price

£9.95

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

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315566	total/totalenergies-traxium-axle-7-80w-90-gear-oil-5-litres-1.jpg	1	36.66	0.00	0.01	20	Sale Price	1	0	0

351675	elf/elf-tranself-nfx-sae-75w-ep-synthetic-technology-transmission-fluid-1-litre-1.jpg	1	17.46	0.01	20	Sale Price	1	0	1
370687	elf/elf-tranself-nfx-sae-75w-ep-synthetic-technology-transmission-fluid-5-litres-1.jpg	1	51.66	0.01	20	Sale Price	1	0	0
351676	elf/elf-tranself-nfx-sae-75w-ep-synthetic-technology-transmission-fluid-20-litres-1.jpg	1	205.79	0.01	20	Sale Price	1	1	0

216331	castrol/castrol-transmax-axle-epx-85w-140-multipurpose-axle-fluid-5-litres-1.jpg	1	32.46	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	117.46	0.00	0.01	20	Sale Price	1	1	0

246907	comma/comma-mv-mtf-plus-75w-fully-synthetic-manual-transmission-fluid-1-litre-1.jpg	1	14.96	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	59.16	0.00	0.01	20	Sale Price	1	0	0

67893	millersoils/millers-oils-ee-performance-mtf-75w-gear-oil-1-litre-1.jpg	1	17.46	0.00	16.66	20	Sale Price	1	0	1
67894	millersoils/millers-oils-ee-performance-mtf-75w-gear-oil-5-litres-1.jpg	1	59.16	0.00	74.99	20	Sale Price	1	0	0
216296	millersoils/millers-oils-ee-performance-mtf-75w-gear-oil-20-litres-1.jpg	1	225.79	180.18	0.01	20	Sale Price	1	1	0

89751	millersoils/millers-oils-vintage-green-gear-oil-90-gl1-1l-1.jpg	1	13.29	12.49	20	Sale Price	1	0	1
91290	millersoils/millers-oils-vintage-green-gear-oil-90-gl1-5-litres-1.jpg	1	34.16	38.33	20	Sale Price	1	0	0
91294	millersoils/millers-oils-vintage-green-gear-oil-90-gl1-20-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	13.29	12.49	20	Sale Price	1	0	0
91244	millersoils/millers-oils-vintage-millerol-50-monograde-mineral-engine-oil-5-litres-1.jpg	1	34.96	39.16	20	Sale Price	1	0	1
91248	millersoils/millers-oils-vintage-millerol-50-monograde-mineral-engine-oil-20-litres-1.jpg	1	103.29	0.01	20	Sale Price	1	1	0

1204	fuchs/fuchs-titan-supergear-plus-sae-80w-90-gear-oil-1-litre-1.jpg	1	8.29	0.01	20	Sale Price	1	0	0
1581	fuchs/fuchs-titan-supergear-plus-sae-80w-90-gear-oil-5-litres-1.jpg	1	27.46	0.01	20	Sale Price	1	0	0
97252	fuchs/fuchs-titan-supergear-plus-sae-80w-90-high-performance-gear-oil-20l-drum-1.jpg	1	84.16	0.01	20	Sale Price	1	1	1

246861	comma/comma-ep-75w-80-plus-mineral-manual-transmission-fluid-1-litre-1.jpg	1	10.79	0.00	0.01	20	Sale Price	1	0	1
246863	comma/comma-ep-75w-80-plus-mineral-manual-transmission-fluid-5-litres-1.jpg	1	34.16	0.00	0.01	20	Sale Price	1	0	0