Penrite Radiator Flush – 375mL (ADRF375)

Penrite Radiator Flush is a powerful cooling system cleaner formulated to remove rust, scale, sludge, and deposits from radiators, heater cores, and cooling passages. It restores cooling efficiency, improves heat transfer, and prepares the system for new coolant.

Safe for all cooling system metals and compatible with all coolant types, it is ideal for routine maintenance or before a coolant change.

Key Benefits

• Removes rust, scale, sludge, and deposits
• Improves coolant flow and heat transfer
• Helps prevent overheating
• Safe for aluminium, cast iron, copper, brass, and rubber components
• Non-acidic and non-corrosive formula
• Compatible with all coolant types and colours

Suitable For

• Petrol, diesel, and LPG engines
• Passenger vehicles, 4x4s, vans, utes, and light commercial
• Cooling systems requiring cleaning prior to coolant replacement

Directions for Use

• Add entire 375mL bottle to radiator or overflow tank
• Run engine for 10–15 minutes
• Drain system while hot
• Flush with clean water
• Refill with fresh coolant

Package Size: 375mL
Part Number: ADRF375