Penrite Radiator Flush – 7 Minute Fast Acting Cooling System Cleaner (375mL)

Description

Penrite Radiator Flush is a powerful, alkaline-based cooling system cleaner designed to flush out internal rust, scale, and other harmful deposits from your radiator and engine in just 7 minutes. Its fast-acting formula restores proper coolant flow and circulation, ensuring your new coolant performs as intended.

Whether you’re switching coolant types or performing regular maintenance, Radiator Flush helps eliminate system blockages and neutralizes old coolant residues, avoiding potential chemical incompatibilities.

Safe for use in all types of vehicles and engines, from passenger cars and motorcycles to heavy-duty diesel trucks, agriculture, and construction machinery. For best results, pair with any OEM-approved Penrite coolant after flushing.

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Key Features

• 7-minute cleaning time – quick and effective

• Removes rust, scale, and deposits

• Neutralises leftover coolant – ideal for coolant changes

• Compatible with all metal and plastic components

• Safe on rubbers, hoses, seals, and water pump

• Non-acidic, pH-safe alkaline formulation

• Treats up to 15L capacity

• Improves coolant performance and system flow

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Specifications

• Type: Alkaline Cooling System Cleaner

• Colour: Blue

• Density @ 15°C: 1.08 kg/L

• pH Level: 9.0 – 10.0

• Volume: 375mL Bottle

• Treatment Capacity: Up to 15 Litres

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Application
Suitable for:

• Passenger vehicles

• 4WDs & motorcycles

• Light & heavy commercial trucks

• Construction, mining, and agricultural equipment

• Stationary engines

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Instructions for Use

1. Drain cooling system.

2. Refill with clean water.

3. Add one bottle of Radiator Flush.

4. Start engine and turn on heater.

5. Let engine run for 10–15 minutes (including minimum 7 mins cleaning).

6. Turn off engine and let it cool.

7. Drain system and refill with suitable Penrite coolant.

Always follow safety procedures and allow the engine to cool before draining.

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Recommended Coolant Refills (After Flush):

• Red, Green, Blue, Purple OEM Coolants (Premix or Concentrate)

• Power Sports Coolant Premix

• Penrite 10 Tenths Race Coolant Inhibitor Concentrate

Additional information

Brand	Penrite Oil
Type	Alkaline Cooling System Cleaner
Color	Blue
Density @ 15°C	1.08 kg/L
pH Level	9.0 – 10.0
Volume	375mL Bottle
Treatment Capacity	Up to 15 Litres
Made in	Australia