Nulon·
R50
Nulon Radiator Stop Leak 300ml
Nulon Radiator Stop Leak 300ml
Quantity
Regular price
$20.59 AUD
Regular price
Sale price
$20.59 AUD
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Overview
Nulon Radiator Stop Leak is a fibre-based formula designed to seal leaks in radiator and heater cores, weeping cylinder head gaskets, and corroded welsh plugs.
Compatible with all coolant types including anti-freeze and anti-boil products. Safe for seals, hoses, and all metals including aluminium.
Specifications
Volume: 300ml
Formula: Fibre-based
Compatibility: All coolant types, all metals including aluminium
Application Rate: 1 bottle per 10 litres of coolant
Formula: Fibre-based
Compatibility: All coolant types, all metals including aluminium
Application Rate: 1 bottle per 10 litres of coolant
Features
- Fibre-based formula — seals pinhole leaks in radiator cores, heater cores, and welsh plugs.
- Safe for aluminium — no risk of damage to modern aluminium cooling systems.
- Compatible with all coolants — suits all anti-freeze and anti-boil formulations.
- Addresses weeping head gaskets — temporarily reduces coolant loss from minor gasket seepage.
Fitment / Notes
- Note: Caution — exercise care when removing radiator cap if engine is hot.
- Note: This product is a temporary repair only. Have the cooling system inspected and repaired at the earliest opportunity.
- Fill coolant above top radiator hose level before adding product.
- Start engine and turn heater on. Run to normal operating temperature.
- Shake bottle well and add slowly to radiator.
- Top up coolant and refit radiator cap securely.
- Run engine for 15 minutes to allow product to circulate.
- Inspect for leaks.
- Note: If cooling system is dirty or restricted, clean first with Nulon R40 Radiator Flush and Clean.