Flashlube Heavy Duty Oil Stabiliser 500ml | FS500M
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High-performance anti-wear oil additive that protects new and worn engines, gearboxes and diffs.
Flashlube Heavy Duty Oil Stabiliser blends with your engine or gear oil to stop high-temperature viscosity breakdown, so the oil keeps protecting for longer. Treated oil clings to cylinder walls after shut-down, reducing dry starts – the biggest cause of wear in an otherwise well-maintained engine. In worn engines it helps cushion moving parts, slow oil consumption and reduce smoke and noise.
Why use it
- Increases lubricity and helps engine life
- Reduces oil consumption, smoke and engine knock
- Raises oil pressure and reduces heat and noise
- Helps prevent dry starts
- Protects manual gearbox and differential bearings
- Compatible with all engine and gear oils
Ideal for
Cars, 4WDs, trucks, motorbikes, boats and farm or industrial machinery – in engines, manual gearboxes and differentials. Not for vehicles fitted with a DPF.
How to use
- Add to the engine oil with the engine at normal operating temperature, or at an oil change.
- New engines (non-DPF): replace 20–25% of the oil volume (about 1L per 4L of oil).
- Worn engines (non-DPF): replace 25–30% (about 1L per 3L of oil).
- Run the engine for 10 minutes to blend completely. Use with every oil and filter change.
Key details
- Brand: Flashlube
- Size: 500ml
- Dose: 20–30% of oil capacity
- Use in: Engines, manual gearboxes, differentials
- Note: Not suitable for DPF-equipped vehicles
Not sure it suits your vehicle? Call our team on (07) 3340 4392 – we're happy to help.
| Brand | Flashlube |
|---|---|
| Part number | FS500M-FLL |
| Category | Fuel & Oil Additives |
| Barcode | 9316889010018 |
Free shipping on orders over $150 Australia-wide, for orders under 4.8 kg.
Click & Collect from 111 Beenleigh Road, Acacia Ridge QLD, Monday to Friday 8:30am–5:00pm.


