Liqui Moly Radiator Stop Leak Cooling System Sealer (250 ml)

Radiator Stop Leak seals minor leaks in the cooling system from the inside, without dismantling the radiator. Added to the coolant, it finds and closes small leaks while remaining compatible with cooling and heating systems, a quick fix to stop a slow coolant loss.

What it does

• Seals small leaks in radiators and the cooling circuit
• Works in systems with and without water filters
• Good thermal resistance and stability, mixes with the coolant

How to use

Shake well and add to the coolant in the expansion tank or radiator, then run the engine to circulate. Follow the dosing on the pack.

Specifications

• Article number: 7129
• Content: 250 ml
• Use in: engine cooling systems

Fitment guidance

A temporary remedy for minor leaks. Persistent or major leaks need a proper repair. If unsure, reach out and we will help with guidance.

Genuine Liqui Moly, made in Germany.