What Is LIQUI MOLY Leichtlauf 10W-40?

LIQUI MOLY Leichtlauf 10W-40 is a low-friction engine oil based on synthetic technology, developed for year-round use in compatible petrol and passenger-car diesel engines. It is designed to provide reliable lubrication, help maintain engine cleanliness and support long engine life under normal and demanding driving conditions.

Its 10W-40 viscosity grade offers a balance of cold-start performance and lubrication at operating temperature for engines designed to use this grade. The formulation is designed to help control deposits, maintain lubrication reliability and support smooth engine operation. It is suitable for compatible naturally aspirated and turbocharged engines, subject to the manufacturer’s requirements.

Key Features and Benefits

• Engine wear protection: Helps protect moving engine components from wear during normal operation.
• Engine cleanliness: Its cleaning and dirt-suspending properties help control deposits.
• Cold-start lubrication: Supports rapid oil circulation after starting in suitable temperatures.
• Oil consumption support: Formulated to help keep oil consumption low in compatible engines.
• Ageing stability: Designed to maintain its properties throughout the appropriate service interval.
• High shear stability: Helps maintain lubrication performance under operating loads.
• Turbocharger compatibility: Tested for use with compatible turbocharged engines.
• Catalytic converter compatibility: Tested for use in suitable applications with catalytic converters.
• All-season performance: Suitable for year-round use where SAE 10W-40 is specified.
• CNG and LPG suitability: Also suitable for compatible gas-powered vehicles when their engine oil requirements match.

Actual oil consumption and engine performance depend on engine condition, driving style, climate and maintenance practices.

Specifications and Approvals

LIQUI MOLY Leichtlauf 10W-40 lists the following specifications and approvals:

• SAE viscosity grade: 10W-40
• ACEA A3/B4
• API SP
• MB-Approval 229.3
• VW 501 01
• VW 505 00

LIQUI MOLY also recommends this product for applications requiring:

• MB 229.1
• Peugeot Citroën PSA B71 2294
• Renault RN 0700
• Renault RN 0710

Manufacturer recommendations are not necessarily formal approvals. Always check the exact oil specification required by your vehicle.

Vehicle Compatibility

This engine oil is intended for compatible petrol engines and passenger-car diesel engines, including suitable naturally aspirated and turbocharged applications. It may also be suitable for selected CNG and LPG vehicles.

Compatibility depends on the engine design and manufacturer’s specified oil requirements. This product is intended for vehicles without a diesel particulate filter (DPF). Do not use it in a DPF-equipped diesel engine unless the vehicle manufacturer explicitly permits it.

Check the owner’s manual, engine code and required oil specification before purchasing.

Available Pack Sizes

• 1 Litre: Article No. 1317
• 5 Litres: Article No. 1310

Packaging and article numbers may vary by market version. Match the article number to the actual container being supplied.

Application Instructions

Use LIQUI MOLY Leichtlauf 10W-40 only when SAE 10W-40 and the relevant oil specifications meet the vehicle manufacturer’s requirements. Follow the recommended oil capacity and service interval in the owner’s manual.

Do not choose engine oil based solely on vehicle brand, mileage or viscosity. The correct manufacturer specification and compatibility with the vehicle’s emissions equipment are essential.

8. Compatibility Summary

For compatible petrol and passenger-car diesel engines without a DPF that require SAE 10W-40 and matching specifications. Also suitable for certain CNG and LPG vehicles. Confirm compatibility using the owner’s manual and required oil approval before purchase.