K-Seal HD Permanent Coolant Leak Repair 472ml - Heavy Duty One-Step Fix

K-Seal HD Permanent Coolant Leak Repair is a heavy-duty, one-step solution designed to permanently seal coolant leaks in water-cooled engines. Its advanced formula works quickly to seal holes and cracks in critical engine components without the need for draining or flushing the cooling system.

Specially developed for larger and high-capacity engines, K-Seal HD is suitable for use in cars, light trucks, commercial vehicles, agricultural machinery, and industrial applications. It effectively seals leaks in radiators, head gaskets, engine blocks, heater cores, water pump casings, and freeze plugs.

The easy "shake, pour, and go" application makes it ideal for both emergency repairs and preventative maintenance. K-Seal HD mixes safely with all types of antifreeze and coolant and continues to protect the system over time, helping to prevent costly repairs and engine damage.

Reliable, proven, and trusted worldwide, K-Seal HD offers a fast and permanent fix to coolant leaks while keeping your vehicle on the road.

Permanent coolant leak repair is designed to seal holes and cracks in radiators, head gaskets, and engine blocks
Heavy-duty formula suitable for cars, light trucks, commercial vehicles, and large-capacity engines
One-step application - simply shake, pour, and go with no draining or flushing required
Works with all antifreeze and coolant types, including standard and long-life coolants
Effective on multiple components, including radiator stop-leak, block/head sealing, heater cores, water pump casings, and freeze plugs

What's in the box
1 x K-Seal HD Permanent Coolant Leak Repair (472ml)