Liqui Moly Pro-Line Diesel Particulate Filter Purge 500ml - 5171

Liqui Moly Pro-Line Diesel Particulate Filter Purge 500ml – 5171

The Liqui Moly Pro-Line Diesel Particulate Filter Purge is a targeted maintenance additive formulated to help clean and regenerate diesel particulate filters (DPF) by supporting the removal of soot and carbon deposits. Its advanced blend assists in lowering back-pressure and aiding more efficient filter purge cycles — helping restore performance, improve fuel economy, and reduce harmful emissions in diesel engines equipped with DPF systems.

Supplied in a handy 500 ml container (part number 5171), this cleaner is ideal for use during scheduled servicing or prior to long drives to support reliable DPF function and extended filter life.

Key Features of Liqui Moly Pro-Line Diesel Particulate Filter Purge

• Supports DPF Purge Efficiency: Helps aid soot burn-off and combustion inside the filter.
• Reduces Back-Pressure: Helps restore freer exhaust flow for smoother engine operation.
• Improves Combustion Quality: Promotes cleaner burning and reduced deposits.
• Reduces Emissions: Helps lower particulate output and sooty exhaust during operation.
• Easy to Use: Add to the diesel fuel tank as directed before refuelling.
• Suitable for Modern Diesel Engines: Compatible with common rail, pump-injection, and turbocharged systems with DPF.

Applications

• Diesel cars and light commercial vehicles
• Engines with a diesel particulate filter (DPF)
• Before long or demanding journeys
• Vehicles used primarily in urban or stop-start driving
• Routine maintenance to help keep DPF free from soot build-up
• Diesel engines showing reduced performance or increased back-pressure

Technical Specifications

• Brand: Liqui Moly
• Product: Pro-Line Diesel Particulate Filter Purge
• Part Number: 5171
• Volume: 500 ml
• Type: Diesel particulate filter purge additive
• Main Benefits: Supports DPF purge, reduces back-pressure, promotes cleaner combustion
• Application: Add to the diesel fuel tank before refuelling according to dosing instructions

Why Choose Liqui Moly Pro-Line Diesel Particulate Filter Purge?

The Liqui Moly Pro-Line Diesel Particulate Filter Purge 500ml – 5171 provides a practical and effective way to support diesel particulate filter performance and longevity. Its tailored formulation helps reduce soot accumulation and back-pressure while supporting more efficient combustion — making it a valuable addition to routine diesel engine maintenance.