---
product_id: 260384372
title: "ST3501 Pour and Go Head Gasket Sealer, 16oz, Permanent Repair for Blown Head Gaskets, Cracked Heads and Blocks"
brand: "k-seal"
price: "A$81"
currency: AUD
in_stock: true
reviews_count: 13
category: "K Seal"
url: https://www.desertcart.com.au/products/260384372-st3501-pour-and-go-head-gasket-sealer-16oz-permanent-repair
store_origin: AU
region: Australia
---

# Seals leaks up to 0.64mm Compatible with all coolants & engines 33% more sealing power ST3501 Pour and Go Head Gasket Sealer, 16oz, Permanent Repair for Blown Head Gaskets, Cracked Heads and Blocks

**Brand:** k-seal
**Price:** A$81
**Availability:** ✅ In Stock

## Summary

> 🛠️ Fix it once, drive forever—seal the deal with K-Seal!

## Quick Answers

- **What is this?** ST3501 Pour and Go Head Gasket Sealer, 16oz, Permanent Repair for Blown Head Gaskets, Cracked Heads and Blocks by k-seal
- **How much does it cost?** A$81 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/260384372-st3501-pour-and-go-head-gasket-sealer-16oz-permanent-repair)

## 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 Leak Lock:** Ceramic micro-fibres seal holes up to 0.64mm—no engine damage guaranteed.
- • **Permanent Power Seal:** 33% stronger formula for a lifetime fix on blown head gaskets and cracks.
- • **Pour & Go Simplicity:** No draining or flushing needed—just shake, pour, and drive.
- • **Universal Engine Ally:** Works seamlessly with all coolant types and engine materials, including heavy-duty machinery.
- • **Mechanic-Trusted Reliability:** Independently tested and ASTM D3147 certified for professional-grade, cost-effective repairs.

## Overview

K-Seal ST3501 is a 16oz professional-grade head gasket sealer that permanently repairs blown head gaskets, cracked heads, and porous engine blocks. Featuring a formula with 33% more sealing power and ceramic micro-fibres, it seals leaks up to 0.64mm without engine damage. Easy to use with no draining required, it’s compatible with all coolant types and engine materials, trusted worldwide and independently verified to meet ASTM D3147 standards.

## Description

Buy K-Seal ST3501 Pour and Go Head Gasket Sealer, 16oz, Permanent Repair for Blown Head Gaskets, Cracked Heads and Blocks online on desertcart.ae at best prices. ✓ Fast and free shipping ✓ free returns ✓ cash on delivery available on eligible purchase.

Review: Instated of changing Radioter for big money you can try one time with this. - LR2 2012, There was a Small crack on the radiator and my coolant was leaking, This is fixed. One month now I didn't see a single drop of coolant. excellant.
Review: Best of all best - Thanks

## 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 |
|---------------|-------|
| ASIN | B00QYZIVA6 |
| Best Sellers Rank | #23,158 in Automotive ( See Top 100 in Automotive ) #148 in Oil & Fluid Additives |
| Brand | K-Seal |
| Customer Reviews | 4.1 4.1 out of 5 stars (1,924) |
| Date First Available | 4 February 2015 |
| Item Weight | 454 g |
| Item model number | KSLST3501 |
| Manufacturer | Solv-Tec |
| Manufacturer Part Number | KSLST3501 |
| Model | ST3501 |
| Product Dimensions | 6.35 x 6.35 x 20.32 cm; 453.59 g |

## Images

![ST3501 Pour and Go Head Gasket Sealer, 16oz, Permanent Repair for Blown Head Gaskets, Cracked Heads and Blocks - Image 1](https://m.media-amazon.com/images/I/61ESypiDG+L.jpg)

## Questions & Answers

**Q: How to use the product**
A: ÜRÜN RADYATÖR İÇİNE DÖKÜLÜR.

**Q: Is it for diesel cars also?**
A: Yes, it works for both petrol & diesel engines.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Instated of changing Radioter for big money you can try one time with this.
*by M***K on 8 March 2024*

LR2 2012, There was a Small crack on the radiator and my coolant was leaking, This is fixed. One month now I didn't see a single drop of coolant. excellant.

### ⭐⭐⭐⭐⭐ Best of all best
*by H***D on 21 September 2023*

Thanks

### ⭐⭐⭐⭐⭐ Great product
*by M***B on 28 May 2023*

Worked perfectly

## Frequently Bought Together

- K-Seal ST3501 Pour and Go Head Gasket Sealer, 16oz, Permanent Repair for Blown Head Gaskets, Cracked Heads and Blocks
- K-Seal ST5501 Multi-Purpose One Step Permanent Coolant Leak Repair, 8oz, Pour and Go, Mixes with All Antifreeze, No Flushing Required
- K-Seal ST5516 Heavy-Duty Multi-Purpose One Step Permanent Coolant Leak Repair, 16 oz, Pour and Go, Mixes with All Antifreeze, No Flushing Required

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**Shop now:** [https://www.desertcart.com.au/products/260384372-st3501-pour-and-go-head-gasket-sealer-16oz-permanent-repair](https://www.desertcart.com.au/products/260384372-st3501-pour-and-go-head-gasket-sealer-16oz-permanent-repair)

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*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-02-25*