Description
Lucas Oil Heavy Duty Engine Oil Stabiliser – 355ml (12 fl oz)
SKU: 40686
Keep older engines alive and ensure new engines stay running like new with Lucas Oil Heavy Duty Engine Oil Stabiliser. This pure, 100% petroleum multi-use supplement is engineered to dramatically reduce friction, heat, and wear in any type of engine.
Perfectly sized in a convenient 355ml bottle, this treatment is ideal for single oil changes on smaller engines, motorcycle applications, top-ups, or for treating manual transmissions and differentials. By giving your engine oil a higher degree of lubricity, it effectively lowers operating temperatures, controls engine noise, and significantly reduces oil consumption.
Because it is formulated from pure petroleum, it safely blends with all other automotive lubricants, including mineral oils, synthetics, and ATF (Automatic Transmission Fluid). Whether you are looking to prevent dry starts on a daily driver or trying to stop leaks in your gear oil, Lucas Oil Stabiliser is the ultimate mechanical problem solver.
Key Benefits:
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Eliminates Dry Starts: Leaves a protective film on internal components to prevent wear during startup.
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Extends Oil Life: Increases the lifespan of your engine oil by at least 50%.
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Boosts Performance: Raises oil pressure, leading to better power delivery and improved miles per gallon (MPG).
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Reduces Oil Consumption: Thickens the oil seal to minimise burning and leakage.
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Multi-Purpose Protection: Controls noise, heat, and wear in manual transmissions and differentials.
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Universally Compatible: Safely blends with synthetic oils, mineral oils, and ATF.
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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 Limited Slip Differentials (LSD – use a 10% ratio).
- Safety Data Sheet: Click to Download
Directions for Use:
For standard engine oil applications, substitute 20% of your total system capacity with Lucas Oil Stabiliser (e.g., 1 part stabiliser to 4 parts regular engine oil). For heavily worn engines or manual transmissions/differentials, check the label for specific application treat rates.
Supplied as a single 355ml (12 fl oz) bottle. 1 Litre (33.8 fl oz) & 3.79 Litre (1 US Gallon) bottles also available.









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