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Performance Engine Oils
Millers Oils Classic Gear Oil EP 80W-90 GL4

Millers Oils Classic Gear Oil EP 80W-90 GL4


Millers Clssic GearOil EP80w90 - 1 Litre

1 Litre


Millers Clssic GearOil EP80w90 - 5 Litres

5 Litres


Millers Clssic GearOil EP80w90 - 20 Litres

20 Litres


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  • Description
  • Benefits
  • Specifications
  • Shipping Explained

Millers Oils Classic Gear Oil EP 80W-90 GL4

An extreme pressure gear oil SAE 80w90 mineral based gear oil with performance additives. Engineered for gearboxes and differentials requiring extreme pressure (EP) lubricants and is also suitable for rear axles not requiring hypoid oils.

Use as received in gearboxes and differentials requiring extreme pressure (EP) lubricants to API GL4. Also suitable for brass and bronze components i.e. non stain.

Millers Oils Classic Gear Oil EP 80w-90 is also known as:

  • Millers EP 80w-90
  • Millers EP 80w90
  • Millers Classic EP 80w-90
  • Millers Classic EP 80w90
  • Millers Gear Oil EP 80w-90
  • Millers Gear Oil EP 80w90
  • Millers Gear EP 80w-90
  • Millers Gear EP 80w90

PDF Downloads:

Download the Technical PDFDownload the Safety PDF


  • Wide ranging applications
  • Viscosity grades to cover equipment requirements
  • Ideal for vehicle gearboxes and trans-axles
  • Recommended for gearboxes with overdrive
  • Suitable for rear axles not requiring Hypoid oils


  • API GL4
  • MIL-L-2105


SHIPPING IS FREE* for orders of £75 and over , regardless of the weight of your order.
We've tried to keep all other shipping costs as low as we can.

Carriage starts at just £0.95 (inc VAT) for small items, with our most common courier rate set at £5.99 for orders of 5kg (enough for 5 litres of oil).

  • *Free shipping is available for UK Royal Mail, UPS Access Point™ (click & collect) and standard UK courier services (not express / priority / islands).
  • Courier surcharges mean we are unable to offer free "to the door" courier shipping from us in Cornwall up to Highlands / Grampian in Scotland - and because we send a lot of liquids, not every courier option is available to us. UPS Access Point™ (click & collect) is available as a free shipping option across Scotland, Wales and England, wherever there is a UPS Access Point™ Location.
  • Carriage charges are based on weight - please see our table of carriage costs for full details (although adding an item to your cart and viewing the calculated carriage is often easier!).
  • Priority shipping is also available.

How long will it take to get my order?

We give an estimate of delivery dates as you shop and in your basket. The vast majority of items are held in stock and dispatched from our UK warehouse and we'll do all we can to get your order to you as quickly as possible.

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