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Penrite Ultimate Fuel Stabiliser 250mL

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  • 1 YEAR


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Ultimate Fuel Stabiliser is a fuel additive designed to stabilise petrol and diesel fuel when in storage to prevent loss of engine performance due to old and stale fuel.


Ultimate Fuel Stabiliser is designed for use with all petrol or diesel fuelled engines. It can be used with passenger cars, commercial vehicles, boats, motorcycles, stationary engines, classic and veteran vehicles and anywhere that fuel is not turned over regularly. Ultimate Fuel Stabiliser is added either directly into the engine’s fuel tank or into fuel storage containers and it is safe for use with fuels including E10, premium and high-octane unleaded petrol as well as diesel fuels including ULSD and Biodiesel. Ultimate Fuel Stabiliser when used at the correct dosage, can extend the life of petrol fuels by up to 12 months. It is an economical alternative to dumping and replacing leftover fuel in fuel tanks, jerry cans and other storage facilities.


For best results: 25ml treats 20 litres for storage for up to 12 months. (One 250ml bottle treats 200 litres of fuel) Please Note: If your vehicle is fitted with a “Capless” Fuel Filler system, we recommend using the vehicle's emergency fuel filling funnel when adding this product to the fuel tank. Not suitable to be used in E85 fuel.


About The Brand

Penrite Oil Company is an Australian independent international lubricants company established in 1926. A premium, high quality and trusted brand that manufactures the right product for every application. Known as “A Better Class of Oil”, Penrite is voted Number 1 by independent mechanics and major customers as a supplier of choice.

  • Standard Shipping is free on all orders. Oils & Lubricant products can only be sent via Standard Shipping.
  • Express Shipping is $10 flat rate.
  • Pick up is available from our warehouse at 1/84 Brunel Road, Seaford VIC 3198 between the hours of 8:30am to 3:30pm weekdays. You will be notified by email when your order is ready for pick up.

Delivery Time

Orders are dispatched same business day if ordered before 3:00pm AEDT. All orders are dispatched from Melbourne, Victoria and are sent via Australia Post.

For delivery time estimates with Australia Post please use their delivery calculator here:

If you have any questions relating to shipping, please contact us by emailing

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