---
product_id: 331612922
title: "K-Seal Ultimate Head Gasket & Block Repair | Seal & Fix Coolant Leaks, 472ml"
brand: "k-seal"
price: "$11.78"
currency: USD
in_stock: false
url: https://www.desertcart.us/products/331612922-k-seal-ultimate-head-gasket-and-block-repair-seal-fix
store_origin: US
region: United States of America
---

# 33% more sealing power Seals leaks up to 0.64mm Compatible with all coolants K-Seal Ultimate Head Gasket & Block Repair | Seal & Fix Coolant Leaks, 472ml

**Brand:** k-seal
**Price:** $11.78
**Availability:** ❌ Out of Stock

## Summary

> 🚀 Seal the Deal with K-Seal!

## Quick Answers

- **What is this?** K-Seal Ultimate Head Gasket & Block Repair | Seal & Fix Coolant Leaks, 472ml by k-seal
- **How much does it cost?** $11.78 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/331612922-k-seal-ultimate-head-gasket-and-block-repair-seal-fix)

## 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

- • **One-Step Wonder:** Simply shake, pour, and let the magic happen—no draining required!
- • **Mechanic Approved:** Trusted by professionals worldwide for reliable, durable repairs.
- • **Permanent Solution:** Experience a long-lasting seal that outperforms regular options.
- • **Universal Compatibility:** Works seamlessly with various engine materials and coolant types.
- • **Cost-Effective Performance:** Enhance your vehicle's cooling system without breaking the bank.

## Overview

K-Seal Ultimate Head Gasket & Block Repair is a powerful 472ml solution designed to permanently fix coolant leaks, blown head gaskets, and cracked engine blocks. With 33% more sealing power than standard options, it offers a hassle-free, one-step application that is compatible with all coolant types and various engine materials. Trusted by mechanics and independently verified, K-Seal is the go-to choice for a cost-effective and reliable engine repair solution.

## Description

K-Seal is painstakingly tested for the UK and US in the only independent academic facility that can test ASTM D3147. K-Seal is the only product that has been successfully tested on this equipment, making it a standout product. K-Seal is tailor-made to repair engine damage that could cost you thousands if you don’t do something about it now. Delivered in a simple-to-use bottle, you don’t need to be a mechanic to fix your car – simply follow our clear instructions to shake, pour and go.

## Features

- PERMANENT REPAIR: Our advanced formula with 33% more sealing power than regular K-Seal, ensures a long-lasting, permanent seal for challenging leaks. Permanently fixes blown head gaskets, cracked heads & porous engine blocks in cars.
- STOP HOLES & CRACKS: With just 1 step our unique formula with ceramic micro-fibres, will permanently seal leaks up to 0.64mm in size, without any adverse impact on the engine.
- EASY TO USE: It requires no draining or flushing; just shake, pour & go - shake the bottle, add the fluid wherever you top up your coolant & run your engine as normal. For larger engines (HGV's / Plant) use 2 bottles.
- VERSATILE COMPATIBILITY: Works with all types of coolant & compatible with a wide range of vehicle engine materials & heavy duty machinery. A permanent fix for the lifetime of the engine.
- PROFESSIONAL-GRADE RELIABILITY: Trusted by mechanics, our sealer treatment delivers a durable & long-lasting repair. A cost-effective head gasket & block repair, enhancing the 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 |
|---------------|-------|
| Manufacturer | K-Seal International Limited |
| Brand | K-Seal |
| Model | K-Seal Ultimate Head Gasket Repair |
| Item Weight | 1.19 pounds |
| Package Dimensions | 7.95 x 2.72 x 2.2 inches |
| Item model number | KSLST3501 |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | KSLST3501 |

## Product Details

- **Brand:** K-Seal
- **Material:** Ceramic
- **Shape:** Round
- **Manufacturer:** K-Seal International Limited
- **Global Trade Identification Number:** 05060002968109

## Images

![K-Seal Ultimate Head Gasket & Block Repair | Seal & Fix Coolant Leaks, 472ml - Image 1](https://m.media-amazon.com/images/I/71G83KAp7FL.jpg)
![K-Seal Ultimate Head Gasket & Block Repair | Seal & Fix Coolant Leaks, 472ml - Image 2](https://m.media-amazon.com/images/I/81ExIuiXz-L.jpg)
![K-Seal Ultimate Head Gasket & Block Repair | Seal & Fix Coolant Leaks, 472ml - Image 3](https://m.media-amazon.com/images/I/810oKVSrG3L.jpg)
![K-Seal Ultimate Head Gasket & Block Repair | Seal & Fix Coolant Leaks, 472ml - Image 4](https://m.media-amazon.com/images/I/81fjpE+5DfL.jpg)
![K-Seal Ultimate Head Gasket & Block Repair | Seal & Fix Coolant Leaks, 472ml - Image 5](https://m.media-amazon.com/images/I/8133FJ18BQL.jpg)

## Available Options

This product comes in different **Style** options.

## Frequently Bought Together

- K-Seal Ultimate Head Gasket & Block Repair | Seal & Fix Coolant Leaks, 472ml
- K-Seal ST5501 Multi-Purpose One Step Permanent Coolant Leak Repair, 8oz, Pour and Go, Mixes with All Antifreeze, No Flushing Required

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.us/products/331612922-k-seal-ultimate-head-gasket-and-block-repair-seal-fix](https://www.desertcart.us/products/331612922-k-seal-ultimate-head-gasket-and-block-repair-seal-fix)

---

*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-20*