K-Seal HD Heavy Duty Permanent Radiator Stop Leak 472ml K5516 – Coolant Repair

K-Seal HD K5516 is a heavy-duty permanent coolant leak repair solution developed for HGVs, heavy plant machinery, agricultural vehicles and other large water-cooled engines.

The formula is designed to seal cracks, leaks and holes in metal cooling system components, including the radiator, engine block, head gasket, heater core, freeze plugs and water pump casing.

K-Seal HD is compatible with all glycol-based coolants and antifreeze and requires no draining or flushing. Simply shake the bottle, pour it into the cooling system and continue driving.

Key Benefits

• Permanent coolant leak repair

• Heavy-duty formula for large cooling systems

• Repairs leaks in radiators, engine blocks and head gaskets

• Suitable for heater cores, freeze plugs and water pump casings

• Compatible with all glycol-based coolants and antifreeze

• No draining or flushing required

• Simple shake, pour and drive application

• One 472ml bottle treats up to 56 litres of coolant

• Suitable for petrol and diesel water-cooled engines

Suitable For

• Heavy Goods Vehicles (HGVs)

• Agricultural machinery

• Construction and plant equipment

• Large water-cooled petrol engines

• Large water-cooled diesel engines

Product Details

Brand: K-Seal HD
Product Code: K5516
Product Type: Heavy-Duty Coolant & Radiator Stop Leak
Volume: 472ml
Coolant Compatibility: All glycol-based coolants and antifreeze
Treatment Capacity: Up to 56 litres of coolant
Application: Shake & Pour
Draining / Flushing Required: No
Condition: Brand New

Package Includes

1 × K-Seal HD K5516 Permanent Coolant Leak Repair 472ml