LIQUI MOLY 4390 Universal Lubricant - Versatile Protection for All Your Machinery

Purpose and Specifications

The LIQUI MOLY 4390 is a premium universal lubricant in a convenient 200 ml spray can, perfect for engines, manual transmissions, pumps, and compressors. This high-quality German-made formula creates a tough, low-friction film that slashes wear by up to 35% when added to motor oils, ensuring smooth operation and longer life for your equipment. It mixes easily with any commercial oil, providing reliable lubrication from -30°C cold starts to over 150°C high-heat conditions. Expect fuel savings, quieter running, and protection lasting at least 50,000 km or 24 months between applications.

When to Use / Replace?

Apply during oil changes or when noticing increased noise, vibration, or wear in transmissions and pumps - ideal for everyday cars, trucks, and machinery. Reapply every 50,000 km or annually to maintain peak performance. Shelf life is 5 years unopened; store in a cool, dry place.

• Reduces friction for smoother, quieter operation
• Protects against wear in extreme temps (-30°C to 150°C+)
• Extends service life with 50,000 km effectiveness
• Lowers fuel use and emissions

FAQ

Q: Is LIQUI MOLY 4390 safe for my diesel engine with DPF?
A: Yes, it's fully compatible with modern diesel particulate filters, turbochargers, and catalytic converters for worry-free use.

Q: How much do I need for my engine oil change?
A: One 200 ml can treats up to 5 liters of oil - simply add after the oil change for instant benefits.

Q: Can it handle high-performance or modified vehicles?
A: Absolutely, it excels in boosted engines and heavy-duty applications, delivering proven wear reduction and efficiency.