---
product_id: 41584281
title: "Wynns Radiator Stop Leak 325ml"
brand: "wynn's"
price: "€ 45.62"
currency: EUR
in_stock: true
reviews_count: 10
category: "Wynn's"
url: https://www.desertcart.nl/products/41584281-wynns-radiator-stop-leak-325ml
store_origin: NL
region: Netherlands
---

# Protects against rust & corrosion Compatible with all coolants Stops & prevents leaks Wynns Radiator Stop Leak 325ml

**Brand:** wynn's
**Price:** € 45.62
**Availability:** ✅ In Stock

## Summary

> 🛠️ Keep your engine cool and leak-free — because your ride deserves the best!

## Quick Answers

- **What is this?** Wynns Radiator Stop Leak 325ml by wynn's
- **How much does it cost?** € 45.62 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/41584281-wynns-radiator-stop-leak-325ml)

## Best For

- wynn's enthusiasts

## Why This Product

- Trusted wynn's brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Compact Powerhouse:** 325ml size packs a punch for quick, reliable radiator maintenance
- • **System-Safe Formula:** Gentle on rubber hoses, gaskets, and temperature sensors
- • **Leak-Proof Confidence:** Seals small radiator leaks without harming system components
- • **Rust & Corrosion Shield:** Enhanced formula protects your engine’s cooling system longevity
- • **Universal Coolant Compatibility:** Works seamlessly with all antifreezes including OAT coolants

## Overview

Wynns Radiator Stop Leak 325ml is a powerful, compact additive designed to seal small leaks and prevent corrosion in your vehicle’s radiator and cooling system. Compatible with all antifreezes and coolants, it protects rubber hoses and gaskets while lubricating the water pump, ensuring reliable engine performance and extended system life.

## Description

Wynns Radiator Stop Leak 325ml WYN55864 Compatible with all coolants and anti-freeze. Radiator Stop Leak will seal small leaks without damage to rubber hoses, gaskets or other system components. Formulated to stop and prevent leaks in the radiator and cooling system, protect against rust and corrosion and to lubricate the water pump. Note; Radiator Stop Leak will not repair broken or split hoses. Size 325ml. WYN55864

Review: stop leak works - Good stuff. Stop works
Review: Wynns Radiator Stop Leak - The radiator stop leak belt worked well, the quality is as advertised and I would buy from the Seller again.

## Features

- Enhanced protection against rust and corrosion.
- Is formulated to avoid clogging of radiator waterways and temperature sensors.
- Is compatible with all antifreezes and coolants, also with OAT coolants.
- Will not harm rubber hoses, gaskets or other system components.
- Stops and prevents leakages in the radiator, cooling and heating system.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000297UG6 |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #440,713 in Automotive ( See Top 100 in Automotive ) #68 in Cooling System Additives |
| Brand | Wynn's |
| Customer Reviews | 4.3 4.3 out of 5 stars (2,046) |
| Date First Available | May 15, 2012 |
| Global Trade Identification Number | 05411693558641 |
| Is Discontinued By Manufacturer | No |
| Item Form | Paste |
| Item Package Quantity | 1 |
| Item Weight | 13 ounces |
| Item dimensions L x W x H | 0.18 x 0.85 x 3.27 inches |
| Item model number | WY55864 |
| Manufacturer | Wynns |
| Material | Rubber |
| Part Number | 55864 |
| Product Dimensions | 0.18 x 0.85 x 3.27 inches |
| Style | Compact |
| Unit Count | 10.99 Fluid Ounces |
| Water Resistance Level | Water Resistant |

## Product Details

- **Brand:** Wynn's
- **Item Weight:** 0.37 Kilograms
- **Item dimensions L x W x H:** 0.18 x 0.85 x 3.27 inches
- **Material:** Rubber
- **Style:** Compact

## Images

![Wynns Radiator Stop Leak 325ml - Image 1](https://m.media-amazon.com/images/I/51s+4wnrGiL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ stop leak works
*by M***K on January 13, 2026*

Good stuff. Stop works

### ⭐⭐⭐⭐⭐ Wynns Radiator Stop Leak
*by N***Y on December 2, 2025*

The radiator stop leak belt worked well, the quality is as advertised and I would buy from the Seller again.

### ⭐⭐⭐⭐ good value
*by N***. on May 9, 2025*

Should work well for small pin size leaks.

## Frequently Bought Together

- Wynns Radiator Stop Leak 325ml
- Wynn's 28263 Diesel Particulate Filter Cleaner
- #1 DPF foam cleaner Diesel particulate filter without disassembling easy to use Latest cleaning technology cleaner

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**Shop now:** [https://www.desertcart.nl/products/41584281-wynns-radiator-stop-leak-325ml](https://www.desertcart.nl/products/41584281-wynns-radiator-stop-leak-325ml)

---

*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-03-05*