---
product_id: 47965944
title: "K-Seal"
brand: "k-seal"
price: "€ 36.83"
currency: EUR
in_stock: null
reviews_count: 13
category: "K Seal"
url: https://www.desertcart.sk/products/47965944-k-seal
store_origin: SK
region: Slovakia
---

# Permanent fix for lifetime Compatible with all coolants & engines Seals leaks in minutes K-Seal

**Brand:** k-seal
**Price:** € 36.83
**Availability:** ❌ Out of Stock

## Summary

> 🚀 Seal leaks fast, stay unstoppable.

## Quick Answers

- **What is this?** K-Seal by k-seal
- **How much does it cost?** € 36.83 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/47965944-k-seal)

## Best For

- k-seal enthusiasts

## Why This Product

- Trusted k-seal brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Pour, Run, Done:** No draining or flushing needed—just shake, pour, and keep moving.
- • **Universal Engine Ally:** Works with all antifreeze types and engines up to 12 cylinders—versatility that fits your ride.
- • **Fix It Fast, Drive Faster:** Seals radiator & gasket leaks in minutes—no downtime, no hassle.
- • **Mechanic-Approved Durability:** Trusted worldwide and ASTM-tested for a professional-grade, long-lasting seal.
- • **One Step to Leak-Free Confidence:** Unique formula targets every crack & hole without harming engine efficiency.

## Overview

K-Seal is a professional-grade, multi-purpose liquid sealer that permanently fixes leaks in water-cooled engines’ radiators, head gaskets, freeze plugs, blocks, heater matrixes, and water pumps. Compatible with all antifreeze coolants and engines up to 12 cylinders, it requires no draining or flushing—just shake, pour, and run. Independently tested to ASTM D3147 standards, K-Seal offers a fast, reliable, and cost-effective solution trusted by mechanics worldwide.

## Description

From the brand

Review: Coolant - Perfect did the job easy
Review: Actual long term solution for minor coolant leaks in hard to reach places - Put this in a Citroen DS3 1.6 vti a year ago as it had a small leak on the oil cooler. After a year the coolant has only started to drop again - ordered some more, better than removing the manifold etc!

## Features

- Causes serious eye irritation.
- Contains 5-chloro-2-methyl-2H-isothiazol-3-one and 2-methyl-2H-isothiazol-3-one (3:1) [CMIT/MIT (3:1)]. May produce an allergic reaction.
- Harmful to aquatic life with long lasting effects.
- May cause an allergic skin reaction.
- Toxic to aquatic life with long lasting effects.
- FIX IT FAST: Our multi-purpose solution works in minutes to quickly & permanently seal leaks in the radiator, head gasket, freeze plugs, block, heater matrix & water pump. Fixes most leaks in water-cooled engines.
- STOP HOLES & CRACKS: With just 1 step our unique formula will seek out each hole & crack, permanently sealing them, without any adverse impact on the efficiency of your engine cooling.
- EASY TO USE: K-Seal couldn't be simpler to use & requires no draining or flushing; just shake, pour & go - shake the bottle, add the fluid to your coolant system & run your engine as normal.
- VERSATILE COMPATIBILITY: Compatible with all types of antifreeze coolant. Suitable for use in both cars & light trucks with up to 12 cylinders. A permanent repair for the lifetime of the engine.
- PROFESSIONAL-GRADE RELIABILITY: Trusted by mechanics, our sealer delivers a durable & long-lasting repair. A cost-effective solution to engine coolant leaks, enhancing the reliability & performance of your vehicle’s cooling system. We've sold millions worldwide & are independently verified by university testing to meet ASTM D3147.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B001QT9KO6 |
| Best Sellers Rank | 687 in Automotive ( See Top 100 in Automotive ) 6 in Fillers, Adhesives & Sealants |
| Brand | K-Seal |
| Colour | clear |
| Compatible Material | Alloy Steel, Aluminium, Brass, Copper, Engineered Wood, Fibreglass, Polyvinyl Chloride, Stainless Steel, Plastic |
| Customer Reviews | 4.4 4.4 out of 5 stars (13,110) |
| Global Trade Identification Number | 05060002968017 |
| Item Dimensions | 8.9 x 3.8 x 11.4 centimetres |
| Item Form | Liquid |
| Item Weight | 0.26 Kilograms |
| Manufacturer | K-Seal |
| Manufacturer Part Number | ST5501 |
| Material | Synthetic Resin |
| Model Number | ST5501 |
| Number of Items | 1 |
| Style Name | Compact |
| Supported Standards | ASTM D3147 |
| Surface Recommendation | Vent, Countertop, Sink, Wall |
| UPC | 367157659506 812646010004 |
| Unit Count | 236.0 millilitre |
| Water Resistance Level | Water Resistant |

## Product Details

- **Brand:** K-Seal
- **Item dimensions L x W x H:** 8.9 x 3.8 x 11.4 centimetres
- **Item weight:** 0.26 Kilograms
- **Material:** Synthetic Resin
- **Style:** Compact

## Images

![K-Seal - Image 1](https://m.media-amazon.com/images/I/71nZSCfSgpL.jpg)
![K-Seal - Image 2](https://m.media-amazon.com/images/I/819uEbwQheL.jpg)
![K-Seal - Image 3](https://m.media-amazon.com/images/I/81nL0s1QdfL.jpg)
![K-Seal - Image 4](https://m.media-amazon.com/images/I/81MST4eSl3L.jpg)
![K-Seal - Image 5](https://m.media-amazon.com/images/I/81yyccSl46L.jpg)

## Questions & Answers

**Q: How much would I need for a cooling system of 8.5 litres?**
A: I think one purchase should be sufficient , just Google and double check.

**Q: What long term damage doe's it do to the engine and water system**
A: I used this in a 2004 Rover Streetwise that I bought in 2012. I used as a preventative measure as that particular engine was notorious for headgasket failure and the car is still running in 2022 never having had a problem with the engine except an alternator, so I would say long term damage is ZERO. I have used it in all my cheap runaround cars I have bought as my 3 sons got thier first cars and never had problems with it. Overall it seems to me to be a great product.

**Q: Im doing a coolant flush but when i fill the system back up do i fill with plan water or antifreeze to add the k seal**
A: fill system up as normal using antifreeze and add k-seal

**Q: How much would I need to use for a 1.2L vehicle? Is it the whole bottle or part of the bottle?**
A: I used 2 for a two litre car and sorted my issue which was a head gasket problem.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Coolant
*by T***A on 4 March 2026*

Perfect did the job easy

### ⭐⭐⭐⭐⭐ Actual long term solution for minor coolant leaks in hard to reach places
*by J***N on 18 January 2026*

Put this in a Citroen DS3 1.6 vti a year ago as it had a small leak on the oil cooler. After a year the coolant has only started to drop again - ordered some more, better than removing the manifold etc!

### ⭐⭐⭐⭐ Good product
*by R***2 on 8 November 2023*

I had quite a bad leak from the small internal radiator that warms air in the cab near the driver's feet. I had tried another product and even an egg, which usually works quite well, but the leak only partially slowed. When I used this product however, the reduction in the leak became noticeable and is almost gone now.

## Frequently Bought Together

- K-Seal ST5501 Multi-Purpose One Step Permanent Coolant Leak Repair, 8oz, Pour and Go, Mixes with All Antifreeze, No Flushing Required
- PEAK 50/50 Prediluted Antifreeze and Coolant for All Engine Cooling Systems
- K-Seal ST3501 Pour and Go Head Gasket Sealer, 16oz, Permanent Repair for Blown Head Gaskets, Cracked Heads and Blocks

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**Shop now:** [https://www.desertcart.sk/products/47965944-k-seal](https://www.desertcart.sk/products/47965944-k-seal)

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*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-03-21*