Liqui Moly Pro-Line Radiator Stop Leak 250ml - 5178

Liqui Moly Pro-Line Radiator Stop Leak 250ml – 5178

The Liqui Moly Pro-Line Radiator Stop Leak is a professional-grade cooling system additive designed to quickly and effectively seal minor leaks, cracks, and weeping joints in radiators and other cooling components. Its advanced sealing formula works to prevent coolant loss and help maintain optimal engine temperature — ideal for emergency repairs or routine cooling system maintenance.

Supplied in a 250 ml bottle (part number 5178), this radiator stop leak treatment is suitable for use in passenger cars, vans, and light commercial vehicles.

Key Features of Liqui Moly Pro-Line Radiator Stop Leak

• Rapid Leak Sealing: Helps seal minor radiator and cooling system leaks efficiently.
• Engine Protection: Maintains coolant levels to help prevent engine overheating.
• Seal Conditioning: Supports rubber seal flexibility to reduce future leaks.
• Safe for Most Coolants: Compatible with modern antifreeze and radiator fluids.
• Easy to Use: Simply add to the coolant reservoir as directed.
• Professional & DIY Friendly: Suitable for workshop use and home maintenance.

Applications

• Sealing minor radiator leaks and cracks
• Cooling system joints and hose connections
• Passenger cars, vans, and light commercial vehicles
• Routine maintenance to prevent coolant loss
• Emergency repairs to avoid overheating
• Vehicles operating in hot climates or demanding conditions

Technical Specifications

• Brand: Liqui Moly
• Product: Pro-Line Radiator Stop Leak
• Part Number: 5178
• Volume: 250 ml
• Type: Cooling system sealing agent
• Main Benefits: Leak sealing, coolant retention, seal conditioning
• Application: Add to cooling system per vehicle manufacturer’s instructions

Why Choose Liqui Moly Pro-Line Radiator Stop Leak?

The Liqui Moly Pro-Line Radiator Stop Leak 250ml – 5178 offers a reliable and efficient solution for addressing small cooling system leaks before they lead to overheating or larger issues. Its easy application and professional-grade formulation make it a practical choice for both preventative maintenance and urgent repairs.