---
product_id: 106441525
title: "50664 325ml Engine Stop Leak"
brand: "wynn's"
price: "£22.20"
currency: GBP
in_stock: true
reviews_count: 10
category: "Wynn's"
url: https://www.desertcart.co.uk/products/106441525-50664-325ml-engine-stop-leak
store_origin: GB
region: United Kingdom
---

# Prevents costly engine damage Stops leaks from aged seals 325ml precision formula 50664 325ml Engine Stop Leak

**Brand:** wynn's
**Price:** £22.20
**Availability:** ✅ In Stock

## Summary

> 🛠️ Stop leaks, save engines, and drive worry-free!

## Quick Answers

- **What is this?** 50664 325ml Engine Stop Leak by wynn's
- **How much does it cost?** £22.20 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/106441525-50664-325ml-engine-stop-leak)

## 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 Power:** 325ml bottle fits easily in your toolkit for on-demand engine care.
- • **Seal the Deal:** Special chemical blend rejuvenates rubber seals and O-rings to stop oil leaks instantly.
- • **Trusted Legacy:** Used by professionals since the 1970s for reliable engine protection.
- • **Cost-Efficient Care:** Prevents expensive repairs by halting leaks before they start.
- • **Time-Saving Maintenance:** Apply during oil changes for hassle-free, long-lasting leak prevention.

## Overview

Wynn's 50664 Engine Stop Leak is a 325ml specialized additive designed to stop engine oil leaks caused by drying and shrinking of neoprene and rubber seals. Trusted since the 1970s, it rejuvenates seals and O-rings, preventing costly engine damage and making it an essential maintenance product for proactive vehicle owners.

## Description

Wynn’s Engine Stop Leak is a special blend of chemicals formulated to stop engine oil leaks and drips that can result from the drying out and shrinking of engine neoprene, rubber seals and O-rings.

Review: Excelente producto sirve para colocarle cuando se hace el cambio de aceite de el carro
Review: excelant and reliable product - it was great as i had expected it to be the Company i had worked for back in the seventies we used it a lot as a preventative for our mechanical engines

## Features

- car parts

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0031ROB36 |
| Best Sellers Rank | #1,126,908 in Automotive ( See Top 100 in Automotive ) #407 in Engine & Oil Fluid Additives |
| Brand | Wynn's |
| Customer Reviews | 4.2 4.2 out of 5 stars (3,215) |
| Date First Available | August 15, 2012 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 11.5 ounces |
| Item model number | 50664 |
| Manufacturer | Wynn Oil UK |
| Manufacturer Part Number | 50664 |
| Model | 50664 |
| Product Dimensions | 1.97 x 1.97 x 4.72 inches |

## Images

![50664 325ml Engine Stop Leak - Image 1](https://m.media-amazon.com/images/I/51dp5GExW-L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by G***O on December 28, 2025*

Excelente producto sirve para colocarle cuando se hace el cambio de aceite de el carro

### ⭐⭐⭐⭐⭐ excelant and reliable product
*by A***R on April 7, 2025*

it was great as i had expected it to be the Company i had worked for back in the seventies we used it a lot as a preventative for our mechanical engines

### ⭐ Don’t buy
*by J***N on December 3, 2025*

Junk

## Frequently Bought Together

- Wynn's 50664 325ml Engine Stop Leak
- Wynn's Stop Smoke 325 ml

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---

*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-05-03*