Description
Lucas Oil Heavy Duty Engine Oil Stabiliser – 1 Litre (33.8 fl oz)
SKU: 40001
Maximise your engine’s lifespan and performance with Lucas Oil Heavy Duty Engine Oil Stabiliser. Formulated as a 100% pure petroleum supplement, this industry-leading treatment is designed to eliminate dry starts and dramatically reduce friction, heat, and wear in any type of engine.
The versatile 1 Litre bottle is the perfect size for standard automotive servicing. When added during a routine oil change, it provides oil with a significantly higher degree of lubricity, which lowers operating temperatures and actively reduces oil consumption. Because it is a pure petroleum product, it safely blends with all other automotive lubricants, including synthetic oils, mineral oils, and ATF (Automatic Transmission Fluid).
Beyond the engine block, Lucas Oil Stabiliser is a highly effective multi-use treatment for your drivetrain. Use it in manual transmissions and differentials to control mechanical noise, reduce wear, stop leaks, and extend the life of your gear oil. Whether you are keeping a high-mileage classic alive or ensuring a brand-new engine stays pristine, this is the ultimate mechanical insurance policy.
Key Benefits:
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Eliminates Dry Starts: Clings to internal components, ensuring vital parts are fully lubricated from the moment you turn the key.
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Extends Oil Life: Increases the working life of your engine oil by at least 50%.
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Reduces Oil Consumption: Helps seal worn cylinders to minimise blow-by, burning, and oil loss.
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Boosts Performance: Raises oil pressure, leading to better power delivery and improved fuel economy (MPG).
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Drivetrain Protection: Controls noise, heat, and wear in manual transmissions and differentials.
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Universally Compatible: Safely blends with conventional, mineral, and fully synthetic oils.
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Warranty Safe: Will not void new car warranties when used as directed.
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Emissions & Gearbox Safe: Compatible with Diesel Particulate Filters (DPF) and safe for Limited Slip Differentials (LSD – use a 10% ratio).
- Safety Data Sheet: Click to Download
Directions for Use:
For standard engine oil applications, replace 20% of your total system capacity with Lucas Oil Stabiliser.
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Standard Service Example: Add this full 1 Litre bottle of Oil Stabiliser to 4 Litres of engine oil (for a 5-litre system capacity).
For heavily worn engines, manual transmissions, or differentials, please refer to the label for specific application treat rates.
Supplied as a single 1 Litre (33.8 fl oz) bottle. 355ml (12 fl oz) and 3.79 Litre (1 US Gallon) bottles also available.









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