LIQUI MOLY Diesel Purge Injector & Fuel System Cleaner - 500mL - 12 Pack

LIQUI MOLY Diesel Purge is an on-engine cleaning treatment that dissolves deposits in diesel injectors and the fuel system, restoring the correct spray pattern and lost power. It raises the cetane number for smoother running and easier starting, protects against corrosion, and is safe for all diesel engines with or without a particulate filter, including biodiesel. Sold as a case of twelve 500 mL cans.

Specifications

Shipping

• In-stock orders placed before 3 PM EST ship the same day — everything else ships within 24 hours.
• Standard, expedited, and overnight options at checkout.
• Oversized items ship by freight and take longer.
• Backordered items ship as soon as stock lands — contact us for lead times.
• International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.

Returns

• 30-day returns on new, uninstalled items in original packaging with all hardware.
• Standard returns: 8% restocking fee, buyer pays return shipping. Both waived if the item is defective or we made the error.
• Installed or used parts can’t be returned — confirm fitment before you install.
• Special orders and custom items are final sale.
• Email us for return authorization before shipping anything back.

Full details: Shipping Policy · Refund Policy