LIQUI MOLY 10W40 Optimal

LIQUI MOLY 10W40 Optimal is a high-quality fully synthetic engine oil designed to deliver reliable lubrication, superior wear protection, and long-lasting engine performance. Engineered in Germany, this premium motor oil is ideal for modern gasoline and diesel engines that operate under high loads and elevated temperatures.

With advanced lubrication technology and a carefully balanced additive system, LIQUI MOLY 10W40 Optimal keeps your engine clean, protected, and efficient, even in demanding driving conditions.

Why Choose LIQUI MOLY 10W40 Optimal Motor Oil?

✔ Enhanced Wear Protection

Advanced anti-wear additives form a strong protective film on critical engine parts, reducing friction and minimizing wear. This helps extend engine life and ensures reliable performance under heavy loads and high pressure.

✔ Excellent Engine Cleanliness

High-performance detergents and dispersants prevent sludge, varnish, and carbon deposits. This maintains smooth oil circulation, optimal engine efficiency, and consistent power output.

✔ Outstanding Thermal Stability

LIQUI MOLY 10W40 Optimal maintains stable viscosity across a wide temperature range. The 10W rating supports fast cold starts, while the 40-grade viscosity delivers strong protection at high operating temperatures.

✔ Improved Fuel Efficiency

Its low-friction formulation reduces internal resistance, helping improve fuel economy and lower exhaust emissions—saving fuel while supporting cleaner engine operation.

✔ Long-Lasting Performance

High resistance to oxidation and thermal breakdown ensures the oil maintains its protective properties throughout the oil change interval.

Specifications & Approvals

LIQUI MOLY 10W40 Optimal meets or exceeds major international standards, including:

• API SN – Enhanced protection against engine wear, deposits, and oxidation

• ACEA A3/B4 – Suitable for high-performance gasoline and diesel engines

• OEM Compatibility – Approved for many vehicles from BMW, Mercedes-Benz, Volkswagen, Audi, Porsche, and more
  (Always check your vehicle owner’s manual for the correct specification.)

Ideal For:

• Gasoline and diesel vehicles requiring 10W-40 engine oil

• Cars operating under high load, towing, or aggressive driving conditions

• Drivers looking for strong wear protection and engine cleanliness

• European, American, and Asian vehicles

Choose Confidence. Choose LIQUI MOLY.

Protect your engine with LIQUI MOLY 10W40 Optimal Engine Oil—a trusted solution for durability, efficiency, and reliable performance in all driving conditions. Keep your engine running smoothly and efficiently, mile after mile.