Description
Product Overview
Liqui Moly Engine Flush 8374L is a premium, German‑engineered cleaning solution formulated to target and dissolve accumulated sludge, varnish, and carbon deposits within the entire engine lubrication system. Packaged in a compact 10‑ounce (300 ml) bottle, the fluid is compatible with gasoline, diesel and hybrid powertrains. Its advanced additive package includes corrosion inhibitors, anti‑foaming agents and lubricity enhancers, ensuring that while contaminants are broken down, critical metal surfaces remain protected. The product meets OEM specifications and is approved for use in most modern engines, delivering a thorough cleanse without the need for disassembly.
Usage
Designed for both professional mechanics and DIY enthusiasts, the Engine Flush is applied during a routine oil change. After draining the old oil, the flush is poured into the oil pan, the engine is run at idle for 10‑15 minutes to circulate the solution, and then the system is drained and refilled with fresh oil. This process is ideal for high‑mileage vehicles, engines that have experienced infrequent oil changes, or any situation where performance loss due to internal buildup is suspected. 
Why Choose Us
Liqui Moly’s reputation for precision engineering and rigorous quality control sets this engine flush apart from generic alternatives. Each batch is produced in Germany under ISO‑9001 standards, guaranteeing consistent concentration and performance. The formula’s dual‑action chemistry not only dissolves deposits but also leaves a protective film that reduces wear during the first miles after service. Additionally, the product is non‑hazardous, biodegradable and comes with clear, step‑by‑step instructions, making it a safe choice for workshops and home garages alike.
Key Features
- Advanced additive system that removes sludge while protecting metal surfaces
- Compact 10 oz bottle suitable for a single thorough engine cleaning
- Compatible with gasoline, diesel and hybrid engines
- Biodegradable, non‑hazardous formulation meets environmental standards
- German‑engineered quality with ISO‑9001 manufacturing assurance
FAQ
Can I use the flush on a turbocharged engine?
Yes, the Liqui Moly Engine Flush is safe for turbocharged engines. Its low‑foaming formula prevents excess pressure buildup, and the corrosion inhibitors protect turbo components during the cleaning cycle.
How often should I perform an engine flush?
For most drivers, an engine flush once every 30,000‑40,000 km (or every 2‑3 oil changes) is sufficient. High‑mileage or heavily used vehicles may benefit from more frequent applications, especially before major service intervals.
Will the flush affect my warranty?
Liqui Moly products are formulated to meet OEM standards, and using the Engine Flush as directed does not void manufacturer warranties. Always retain the product label and usage documentation for reference.
Do I need to change the oil filter after flushing?
Yes, it is recommended to replace the oil filter after the flush to ensure that any dislodged particles are fully removed from the system.
Is the product safe for older engines with high mileage?
Absolutely. The flush is specifically designed to clean engines with accumulated deposits without causing excessive wear, making it ideal for high‑mileage vehicles seeking restored performance.




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