
Liqui Moly
Liqui Moly 8374 Engine Flush Plus for Gasoline And Diesel Engines - (300ml)
Reviewed byOrganicDiscount TeamUpdated 2 Jul 2026
Best price available
£9.99
Key features
- 300 ml sufficient for up to 6 l of oil
- 300 ml sufficient for up to 6 Litres of oil
- Add to the motor oil before oil change, then allow the engine to idle for 5-10 minutes
- Compatible with commercially available motor oils
Product Overview
Highly effective cleaning fluid for clearing the engine interior of troublesome deposits. Brings all types of oil-soluble and oil-insoluble residues into suspension and removes these from the oil circuit during the next oil change. Following this, the engine that has been cleared of deposits and contaminants and the fresh oil can then deliver its full performance.
Wear in the engine is thus reduced and the service life is extended. For gasoline and diesel engines. Can be safely used in vehicles with toothed belt running in oil.

300 ml sufficient for up to 6 l of oil. Not suitable for use in motorcycles with wet clutches! Key Benefits: Simple to use without disassembly Highly economical Minimizes wear Does not attack common sealing materials Optimal engine performance Tested for particulate filters and catalytic converters Gentle cleaning Rapid cleaning Tested for turbocharger Application: For gasoline and diesel engines.
Can be safely used in vehicles with toothed belt running in oil. 300 ml sufficient for up to 6 Litres of oil. Add to the motor oil before oil change, then allow the engine to idle for 5-10 minutes.
Turn off the engine and change the oil and filter. Compatible with commercially available motor oils.
Pros & Cons
Pros
- In stock and ready to ship
- 300 ml sufficient for up to 6 l of oil
- 300 ml sufficient for up to 6 Litres of oil
Cons
- Currently sold by only one merchant — limited price competition
- No customer reviews yet
- Price history not yet established
Price Analysis
Fair Price
The current price is around the average. It's a reasonable time to buy.
Current Best
£9.99
Average Price
£9.99
Lowest Ever
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Highest Ever
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Compare Prices (1 merchant)
Compare prices for Liqui Moly 8374 Engine Flush Plus for Gasoline And Diesel Engines - (300ml)
| Merchant | Price | Shipping | Total | Status | |
|---|---|---|---|---|---|
Al All Oils Best Price | £9.99 | — | £9.99 | In Stock | Go to Store |
Price Alert
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Product Details
| Brand | Liqui Moly |
| Category | Vehicle Parts & Accessories |
| Merchant | All Oils |
| GTIN | 4100420083747 |
| MPN | LM8374 |
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