---
product_id: 62701243
title: "Radiator Stop Leak | 250 ml | Cooler additive | SKU: 20132"
brand: "liqui moly"
price: "S$27"
currency: SGD
in_stock: true
category: "Liqui Moly"
url: https://www.desertcart.sg/products/62701243-radiator-stop-leak-250-ml-cooler-additive-sku-20132
store_origin: SG
region: Singapore
---

# Compatible with all cooling systems Protects combustion chamber Instant leak sealing Radiator Stop Leak | 250 ml | Cooler additive | SKU: 20132

**Brand:** liqui moly
**Price:** S$27
**Availability:** ✅ In Stock

## Summary

> 🚗💨 Stop leaks before they stop you!

## Quick Answers

- **What is this?** Radiator Stop Leak | 250 ml | Cooler additive | SKU: 20132 by liqui moly
- **How much does it cost?** S$27 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/62701243-radiator-stop-leak-250-ml-cooler-additive-sku-20132)

## Best For

- liqui moly enthusiasts

## Why This Product

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

## Key Features

- • **Seal leaks instantly 🛠️:** Stops small cracks and porous points on contact, saving costly repairs.
- • **Trusted by thousands with 4.4⭐:** Join the community of savvy drivers who rely on Liqui Moly’s proven formula.
- • **Shield your engine’s heart 🔥:** Prevents damage from coolant entering the combustion chamber for lasting engine health.
- • **Easy application, no mechanic needed:** Simply add 250 ml to your radiator and drive worry-free.
- • **Universal cooling system compatibility 💧:** Works flawlessly with all cooling and heating systems, with or without water filters.

## Overview

Liqui Moly Radiator Stop Leak is a 250 ml liquid additive designed to instantly seal small leaks in vehicle cooling systems caused by cracks, stone impacts, or porous soldering. Compatible with all cooling and heating systems, it also protects the combustion chamber from damage due to coolant intrusion. Highly rated and easy to use, it’s a must-have for proactive vehicle maintenance.

## Description

Small leaks caused by stone impacts, porous soldering points and hairline cracks in the cooling system can be easily stopped (in addition to leaks not easily seen, by noticing decreasing coolant reservoir levels after rides).

## Features

- LIQUI MOLY Radiator Stop-Leak completely seals such leaks immediately with ease
- Secures the combustion chamber from damages caused by coolant admission
- For all cooling water and heating systems with and without water filters

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B076ZP45Z5 |
| Best Sellers Rank | #23,928 in Automotive ( See Top 100 in Automotive ) #4 in Radiator Sealers |
| Brand | Liqui Moly |
| Brand Name | Liqui Moly |
| Color | Silver |
| Customer Reviews | 4.4 out of 5 stars 697 Reviews |
| Included Components | RADIATOR ADDITIVE |
| Item Dimensions | 6.45 x 2.12 x 2.12 inches |
| Item Form | Liquid |
| Item Type Name | Radiator Stop Leak |
| Item dimensions L x W x H | 6.45 x 2.12 x 2.12 inches |
| Manufacturer | Liqui Moly |
| Material | Plastic |
| Material Type | Plastic |
| Model | 20132 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Part Number | 20132 |
| Style | Modern |
| Style Name | Modern |
| Unit Count | 1 Count |
| Warranty Description | Warranty |

## Product Details

- **Brand:** Liqui Moly
- **Item Form:** Liquid
- **Item dimensions L x W x H:** 6.45 x 2.12 x 2.12 inches
- **Material:** Plastic
- **Style:** Modern

## Images

![Radiator Stop Leak | 250 ml | Cooler additive | SKU: 20132 - Image 1](https://m.media-amazon.com/images/I/615O9mE1UiL.jpg)

## Available Options

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

## Questions & Answers

**Q: Have a water cooled 279cc Scooter, will this help a small leak that cant be found?**
A: I used this in a semi truck radiator and it worked great

**Q: How many bottles do you need for a 11 gallon cooling system**
A: I put 4 bottles in 10 gal system which was plenty

**Q: Will this be suitable for a 2017 bmw 330i?**
A: Yes, I had a temp sensor on my 545 bmw and it sealed it up in under a week
was not a leak more like a seep, also theses v8 engines  tend to leak at the coolant pipe
that pass through the block .
used it to maintain the seals also to stop possible future leaks.

Dan

**Q: Will this work for the coolant transfer pipe?**
A: No. If the coolant transfer pipe has a pin hole in it this will not work. The coolant transfer pipe will need to be replaced.

## Frequently Bought Together

- Liqui Moly Radiator Stop Leak | 250 ml | Cooler additive | SKU: 20132
- Liqui Moly Radiator Cleaner | 300 ml | Cooler additive | SKU: 2051
- Liqui Moly MoS2 Anti-Friction Engine Treatment | 300 ml | Oil additive | SKU: 2009

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**Shop now:** [https://www.desertcart.sg/products/62701243-radiator-stop-leak-250-ml-cooler-additive-sku-20132](https://www.desertcart.sg/products/62701243-radiator-stop-leak-250-ml-cooler-additive-sku-20132)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-10-08*