Transmission oils

Transmission oils in Australia

Updated 4 November 2026

Transmission oil in Australia costs about A$14 to A$244 per pack, depending on whether you need a basic multi-vehicle fluid or a full synthetic made for a specific gearbox. The most common automatic fluids sit between A$40 and A$105. For an exact price for your car, send the model and the specification from your owner's manual on BlaBlaPrice.

Warranty and service records

Under the Australian Consumer Law, a vehicle owner does not have to have the car serviced by an authorised dealer to keep the manufacturer's warranty. What matters is that the fluid meets the specification in the manual, and that you keep the receipt and the service log showing what was used. Warranty terms differ by maker: MG gives seven years or unlimited kilometres as standard on new passenger cars, while some heavy-truck transmission makers, such as Allison, cover parts and labour in their standard warranty. Check the terms for your own vehicle.

Summer heat and the change interval

November is late spring in Australia, and summer runs from December to February. Hot weather in Perth, Adelaide and Brisbane puts more load on a gearbox in stop-start traffic, so many owners check the fluid level and condition before the hottest weeks. If you plan a change, pick a cooler morning or an undercover workshop bay, and book it before the holiday rush.

Storage and bunding for workshops

Workshops that store drums of oil must check the bunding requirements of Australian Standard AS1940:2017, which covers oil classification, bund capacity and maintenance. Keep used fluid in sealed containers until you can take it to a collection point.

What to write in your request

Include whether the car is automatic or manual, since these use different fluids, plus the make, model and year. Add the viscosity and specification from your manual, for example a 75W-90 gear oil or an ATF labelled Dexron or Mercon, and say whether you want mineral, semi-synthetic or full synthetic oil. State the number of litres you need, your delivery city and your budget in A$, so sellers can quote one exact price with the pack size.

Fluid is sold in litre packs, and the prices above are per pack in A$. Compare the price per litre, not only the price per pack. Ask the seller for the total with delivery to your city before you pay.

On BlaBlaPrice you describe the fluid in your own words in the chat and can add a photo of the label or the manual page. The AI asks for missing details, looks through sellers' websites and price lists across Australia, and shows the prices and businesses it finds. Registered sellers reply in the chat with price, terms and delivery, and your contacts stay hidden. For related products, see engine oils or go to the BlaBlaPrice home page.