---
product_id: 260384376
title: "K&W 401232 Permanent Head Gasket & Block Repair with Nanotechnology - 32 Fl Oz"
brand: "k&w"
price: "¥15839"
currency: JPY
in_stock: true
reviews_count: 5
category: "K&W"
url: https://www.desertcart.jp/products/260384376-k-and-w-401232-permanent-head-gasket-and-block-repair
store_origin: JP
region: Japan
---

# Permanent head gasket repair Nanotech crack filler 32 fl oz industrial strength K&W 401232 Permanent Head Gasket & Block Repair with Nanotechnology - 32 Fl Oz

**Brand:** k&w
**Price:** ¥15839
**Availability:** ✅ In Stock

## Summary

> 🛠️ Fix it once, fix it forever with cutting-edge nanotech!

## Quick Answers

- **What is this?** K&W 401232 Permanent Head Gasket & Block Repair with Nanotechnology - 32 Fl Oz by k&w
- **How much does it cost?** ¥15839 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/260384376-k-and-w-401232-permanent-head-gasket-and-block-repair)

## Best For

- k&w enthusiasts

## Why This Product

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

## Key Features

- • **Trusted by Mechanics:** Rated 3.9/5 by 329 users who demand reliable fixes
- • **Generous 32 oz Volume:** Enough to tackle multiple repairs without running dry
- • **Copper-Infused Formula:** Enhances thermal conductivity and corrosion resistance
- • **Long-Lasting Durability:** Permanently hardens to protect your engine block
- • **Nanotechnology-Powered Repair:** Fills microscopic cracks for a bond stronger than ever

## Overview

K&W 401232 Permanent Head Gasket & Block Repair uses advanced nanotechnology and a copper-infused formula to permanently seal cracks and leaks in engine head gaskets and blocks. Delivered in a 32 fl oz bottle, this industrial-strength liquid hardens to create a durable, heat-resistant bond trusted by professionals and DIYers alike.

## Description

Using Nanotechnology, this product fills in cracks & crevices other products can't, making a stronger, more solid bond that's permanently hardened to the surface area.

Review: CRC is not a money worth it, did not work for me!
Review: Worked for me, but may not fix all leak issues.

## Features

- Package length: 4.394 cm
- Package width: 8.610 cm
- Package height: 24.206 cm
- Product Type: AUTO ACCESSORY

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000M8NZ70 |
| Brand | K&W |
| Brand Name | K&W |
| Container Type | Bottle |
| Customer Reviews | 3.9 out of 5 stars 329 Reviews |
| Global Trade Identification Number | 00078372012242, 00078372012327 |
| Included Components | Unit^Instruction Guide |
| Item Form | Liquid |
| Item Type Name | Automotive Accessories |
| Item Weight | 1.13 kg |
| Item height | 9 inches |
| Item weight | 1.13 kg |
| Liquid Volume | 32 Fluid Ounces |
| Liquid volume | 32 Fluid Ounces |
| Manufacturer | CRC |
| Material | Copper |
| Package information | Bottle |
| Recommended Uses For Product | Industrial, Mechanical |
| Recommended uses for product | Industrial, Mechanical |
| Specific Uses For Product | Head Gasket & Block Repair |
| UPC | 078372012327 |
| Unit Count | 32 Grams |

## Product Details

- **Material:** Copper
- **Brand:** K&W
- **Package information:** Bottle
- **Liquid volume:** 32 Fluid Ounces
- **Item weight:** 1.13 kg

## Images

![K&W 401232 Permanent Head Gasket & Block Repair with Nanotechnology - 32 Fl Oz - Image 1](https://m.media-amazon.com/images/I/511cpl-UORL.jpg)
![K&W 401232 Permanent Head Gasket & Block Repair with Nanotechnology - 32 Fl Oz - Image 2](https://m.media-amazon.com/images/I/81xq1CS6NYL.jpg)

## Questions & Answers

**Q: how do I add it? just pour into antifreeze?**
A: This product has to be used without antifreeze.  You have to drain out your cooling system. This company does make a product that you can mix with antifreeze though.

**Q: Where is their warranty claim form. I cant seem to find it anywhere?**
A: I don’t think there’s really much of a warranty claim just may be a refund if you even want to try to attack that

**Q: what does it do to a good radiator . does it build up inside the tubes?**
A: I will get a thing layer, but won’t block the radiator tubes. But actually does work A+

**Q: how does this not seal the thermostat?**
A: Directions say to take thermostat out.

## Customer Reviews

### ⭐ CRC is not a money worth it, did not work for me!
*by A***R on 17 October 2016*



### ⭐⭐⭐⭐⭐ Worked for me, but may not fix all leak issues.
*by C***N on 13 November 2025*



### ⭐⭐⭐⭐⭐ This S!@# Works!
*by C***K on 22 June 2020*



## Frequently Bought Together

- K&W 401232 Permanent Head Gasket & Block Repair with Nanotechnology - 32 Fl Oz
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- CRC K&W 401016 Block Seal Permanent Metallic™ Block & Radiator Seal - 16 Oz

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**Shop now:** [https://www.desertcart.jp/products/260384376-k-and-w-401232-permanent-head-gasket-and-block-repair](https://www.desertcart.jp/products/260384376-k-and-w-401232-permanent-head-gasket-and-block-repair)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-01-23*