K-Seal ST5501 Coolant Leak Repair, 8oz – Easy Pour Formula
K-Seal provides a quick and reliable solution for coolant leaks.
K-Seal ST5501 is a quick solution for sealing leaks in radiator and engine components. This convenient 8oz pour-and-go formula is compatible with all antifreeze types and requires no flushing. Ideal for cars and light trucks with up to 12 cylinders, it provides an efficient way to fix leaks in minutes.
Best for: Drivers seeking quick coolant leak repairs
Our Review
Its remarkable one-step formula works swiftly to seal leaks across multiple components, including radiators, head gaskets, and water pumps. For those who require a fast and reliable method to address coolant leaks, K-Seal provides impressive compatibility with all antifreeze types, ensuring versatility in application across cars and light trucks.
Overall, K-Seal ST5501 is highly recommended as a straightforward and effective means to tackle common cooling system leaks, helping car owners to avoid costly repairs and get back on the road quickly.
What we like
- Quickly fixes coolant leaks in various components
- One-step application saves time and effort
- Compatible with all types of antifreeze
- No need for flushing the cooling system
- Has sold over 8 million bottles globally
Our verdict
K-Seal provides a quick and reliable solution for coolant leaks.
Product Details
Product Details
K-Seal ST5501 is a multi-purpose coolant leak repair solution designed to quickly seal leaks in various water-cooled engine components. This 8oz formula can be easily poured into the cooling system and works within minutes, eliminating the need for complex repairs.
Key Features:
- Fast Acting: Seals leaks in radiators, head gaskets, freeze plugs, blocks, heater matrices, and water pumps quickly.
- One Step Application: Unique formula seeks out and seals holes and cracks without compromising engine cooling efficiency.
- Wide Compatibility: Works with all types of antifreeze coolant and is suitable for vehicles with up to 12 cylinders.
Attention: If bubbles appear in the radiator or coolant reservoir, or if the product does not seal, the cooling system may be over-pressurised. Refer to the product guides for additional instructions to ensure a successful repair.
- ASIN:
- B001QT9KO6
- Brand:
- K-Seal
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