---
product_id: 260384372
title: "K-Seal ST3501 Pour and Go Head Gasket Sealer, 16oz, Permanent Repair for Blown Head Gaskets, Cracked Heads and Blocks"
brand: "k-seal"
price: "R1241"
currency: ZAR
in_stock: true
reviews_count: 13
category: "K Seal"
url: https://www.desertcart.co.za/products/260384372-k-seal-st3501-pour-and-go-head-gasket-sealer-16oz
store_origin: ZA
region: South Africa
---

# No draining, shake & pour Seals leaks up to 0.64mm 33% more sealing power K-Seal ST3501 Pour and Go Head Gasket Sealer, 16oz, Permanent Repair for Blown Head Gaskets, Cracked Heads and Blocks

**Brand:** k-seal
**Price:** R1241
**Availability:** ✅ In Stock

## Summary

> 🚗 Seal the deal, skip the shop—drive worry-free with K-Seal!

## Quick Answers

- **What is this?** K-Seal 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?** R1241 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/260384372-k-seal-st3501-pour-and-go-head-gasket-sealer-16oz)

## 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 without engine downtime.
- • **Permanent Power Seal:** 33% stronger formula for a lifetime fix on blown head gaskets and cracked blocks.
- • **Effortless Application:** No draining or flushing—just shake, pour, and drive on.
- • **Mechanic-Trusted Reliability:** Independently tested, ASTM D3147 certified, and backed by millions of satisfied users worldwide.
- • **Universal Engine Compatibility:** Works seamlessly with all coolant types and engine materials, including heavy-duty machinery.

## Overview

K-Seal ST3501 is a professional-grade, 16oz permanent head gasket sealer that repairs blown 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 flushing. Compatible with all coolants and engine types, it offers a cost-effective, mechanic-trusted solution backed by ASTM certification and millions of global users.

## 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 | #16,407 in Automotive ( See Top 100 in Automotive ) #117 in Oil & Fluid Additives |
| Brand | K-Seal |
| Customer Reviews | 4.0 4.0 out of 5 stars (1,935) |
| 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

![K-Seal 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)
![K-Seal ST3501 Pour and Go Head Gasket Sealer, 16oz, Permanent Repair for Blown Head Gaskets, Cracked Heads and Blocks - Image 2](https://m.media-amazon.com/images/I/71WvfMuxDlL.jpg)
![K-Seal ST3501 Pour and Go Head Gasket Sealer, 16oz, Permanent Repair for Blown Head Gaskets, Cracked Heads and Blocks - Image 3](https://m.media-amazon.com/images/I/71iTqDhcl4L.jpg)
![K-Seal ST3501 Pour and Go Head Gasket Sealer, 16oz, Permanent Repair for Blown Head Gaskets, Cracked Heads and Blocks - Image 4](https://m.media-amazon.com/images/I/71nhDCB-rRL.jpg)
![K-Seal ST3501 Pour and Go Head Gasket Sealer, 16oz, Permanent Repair for Blown Head Gaskets, Cracked Heads and Blocks - Image 5](https://m.media-amazon.com/images/I/71aHR4b5p0L.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.co.za/products/260384372-k-seal-st3501-pour-and-go-head-gasket-sealer-16oz](https://www.desertcart.co.za/products/260384372-k-seal-st3501-pour-and-go-head-gasket-sealer-16oz)

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-03-09*