Liqui Moly 20112 Parts Cleaner

Liqui Moly DPF Filter Flush 20112

Liqui Moly DPF Filter Flush, part number 20112, is a cleaning fluid for soot-loaded diesel particulate filters that can be serviced without removal. It is formulated to dissolve deposits inside the DPF, helping restore exhaust flow, engine response, and fuel economy on diesel applications such as Volkswagen Jetta TDI and BMW 3 Series diesel models.

Key Features

• 500 ml plastic can for DPF service use
• Helps remove soot and contaminant buildup from diesel particulate filters
• Supports in-vehicle cleaning without DPF removal
• Use with Pro-Line Diesel Particulate Filter Cleaner, part number 20110
• Designed for use with Liqui Moly DPF spray equipment, including 7946, 7945, and 20630

Product Details

This Liqui Moly cleaner is part of the brand’s cleaning and care product group and is intended for professional diesel exhaust aftertreatment service. The flush is used after the initial cleaner to help break down remaining soot and residue inside the filter. For Volkswagen Jetta TDI, BMW 3 Series diesel, and other diesel vehicles with a clogged DPF, regular service can help maintain performance and reduce the risk of costly filter replacement. Part number 20112 is specified for use only with the matching Liqui Moly DPF cleaning system.

Common Issues It Helps Address

• Restricted exhaust flow from soot accumulation in the DPF
• Loss of engine performance caused by a loaded particulate filter
• Higher fuel consumption related to DPF restriction
• Frequent regeneration events tied to filter contamination
• Service needs on diesel vehicles with accessible DPF cleaning procedures

Installation Notes and Tips

Use 20112 only together with Pro-Line Diesel Particulate Filter Cleaner, part number 20110. Apply with the Liqui Moly DPF Pressurized Tank Spray Gun 7946, the DPF-Probe with five interchangeable tips 7945, and the DPF Spray Probe long 20630 if required. Follow the vehicle service procedure for the specific diesel make and model, and verify that the DPF is suitable for in-vehicle cleaning before service.

Quality Assurance

Liqui Moly supplies this DPF flush as a dedicated service chemical for diesel particulate filter maintenance. The product is engineered for use in the approved Liqui Moly cleaning system to support consistent DPF service results on applications such as Volkswagen Jetta TDI and BMW 3 Series diesel. Part number 20112 should be matched to the correct cleaning process and equipment before use.