JLM Radiator Sealer & Conditioner - 250ml

Repair pinhole leaks in radiators and cooling systems up to 0.9mm. Prevents rust and scale formation. Add 250ml to up to 20L of coolant. Use when required as preventative or reactive maintenance. JLM J04811 Radiator Stop Leak seals holes up to 0.9 millimetres in radiators, coolant hoses, coolant reservoirs, heating radiators, cylinder heads, head gaskets and water pumps and cleans and prevents oxidation. Benefits: Suitable for all types of radiators,...