Automotive oil additive aimed at regenerating rubber and plastic engine seals while reducing oil consumption. Drivers who want fewer oil stains and less exhaust smoke will appreciate a straightforward maintenance solution. Is Liqui Moly Motor Oil Saver suitable for everyday petrol and diesel engines and long journeys?
⚡ At a Glance
- • Sealing Performance: Regenerates shaft seals and valve stem seals to help prevent external oil leaks and under-vehicle stains
- • Best for: Owners of petrol and diesel cars noticing oil leaks, rising oil consumption, or visible exhaust smoke
- • Not ideal for: Motorcycles with wet clutches, as the additive is explicitly not suitable for those applications
A 300 ml oil additive compatible with all commercially available motor oils for petrol and diesel engines. Sealing effect appears after roughly 600 to 800 km when the engine is run until warm.
Stops external oil leaks – thanks to rubber and plastic seal regeneration
Active ingredients penetrate aged rubber and plastic, swelling and conditioning shaft seals and valve stem seals to restore sealing contact. Additive counteracts hardening and shrinkage that cause seepage.
External oil seepage and under-car staining reduce once seals recondition, so visual leaks become less frequent. Useful for owners who want to avoid messy drips and frequent clean-ups.
Lowers oil consumption and smoke – thanks to piston ring and valve guide conditioning
Formula conditions piston rings and valve guides to reduce oil bypass into the combustion chamber, helping to counteract oil dilution. Improved ring sealing reduces oil that would otherwise burn as blue smoke.
Expect fewer oil top-ups and noticeably less exhaust smoke after the conditioning period, easing emissions concerns and daily running checks. Particularly beneficial for higher-mileage engines showing increased oil use.
Easy to use and widely compatible – thanks to a universal formula and single-can dosing
Compatible with all commercially available motor oils and suitable for petrol and diesel engines; one 300 ml can treats up to 5 litres of motor oil. Product can be added at any time, with the engine run until warm to distribute the additive.
Simple pour-in application fits into routine maintenance without special tools or timing. Not suitable for motorcycles with wet clutches, so verify drivetrain type before use.
✨ The 4 Key Reasons for Liqui Moly Motor Oil Saver
- Regenerates seals - Prevents external oil leaks and reduces visible under-vehicle stains within weeks.
- Reduces oil consumption - Lowers engine oil top-ups by improving piston ring sealing efficiency.
- Cuts exhaust smoke - Noticeably less blue smoke from oil burning after conditioning rings and guides.
- Single 300 ml dose - One 300 ml can treats up to 5 litres of oil.
📋 Technical Details at a Glance
- Category: Automotive Parts and Accessories, Oil additive
- Brand: Liqui Moly
- Volume: 300 ml
- SKU: 1802
- Product ID: B0096Y6SW0
❓ Frequently Asked Questions
Q: Can Liqui Moly Motor Oil Saver be used in diesel engines?
A: Yes, compatible with both petrol and diesel engines and with all commercially available motor oils.
Q: How much oil does one 300 ml can treat?
A: One 300 ml can is sufficient for up to 5 litres of motor oil.
Q: How long until sealing effects appear?
A: Sealing first takes effect after about 600 to 800 km, and the engine should be run until warm after adding the additive.
🏆 Our Verdict
Suitable for drivers of petrol and diesel cars who want to reduce external leaks, oil consumption, and visible exhaust smoke. Restores rubber and plastic seals while conditioning piston rings and valve guides, with a straightforward one-can dosing method. Given reports of long-lasting performance over thousands of miles, the additive represents a practical, cost-effective way to lower oil-related maintenance over time.
