ALUMASEAL Radiator Stop Leak & Conditioner (ASLC16) is a fast-acting 473ml formula that seals minor radiator and cooling system leaks safely and effectively. Compatible with all antifreeze and coolant types, it's safe for use on metal, plastic, and rubber cooling system components — and also lubricates the water pump to help extend its service life.
Key Benefits
Stops minor leaks safely, quickly, and easily
Compatible with all antifreeze and coolant types
Safe and effective on all metal, plastic, and rubber cooling system parts
Lubricates the water pump for added protection
473ml bottle — treats a standard passenger car cooling system
Part Number: ASLC16
Important Notes
Works best in a clean cooling system — flush before use if the system is contaminated
Not designed to seal large cracks or major leaks
Follow all instructions on the product label for best results
Suits
Cars, 4WDs, and light commercial vehicles
All cooling systems using antifreeze or coolant
Preventative maintenance and minor leak repair
Frequently Asked Questions
Is ALUMASEAL safe for all vehicles? Yes — it's compatible with all antifreeze and coolant types and safe on metal, plastic, and rubber cooling system components.
Will it fix a blown head gasket? No — ALUMASEAL is designed for minor radiator and cooling system leaks only, not major cracks or head gasket failures. But for a small outlay it may help in a minor head gasket leak condition.
