---
product_id: 385266941
title: "50664 325ml Engine Stop Leak"
brand: "wynn's"
price: "€ 14.29"
currency: EUR
in_stock: true
category: "Wynn's"
url: https://www.desertcart.pt/products/385266941-50664-325ml-engine-stop-leak
store_origin: PT
region: Portugal
---

# No impact on oil viscosity Restores rubber & neoprene seals Stops oil leaks fast 50664 325ml Engine Stop Leak

**Brand:** wynn's
**Price:** € 14.29
**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?** € 14.29 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/385266941-50664-325ml-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

- • **Seal Revival Formula:** Restores elasticity to rubber and neoprene seals, extending engine life.
- • **Trusted by Thousands:** Highly rated with 4.3 stars from over 3,200 users—join the savvy pros.
- • **Leak-Proof Confidence:** Seals engine oil leaks without engine teardown, saving time and hassle.
- • **Smooth Seal Maintenance:** Lubricates and maintains seals to prevent future leaks and wear.
- • **Oil Integrity Guaranteed:** Formulated to keep engine oil viscosity and performance intact.

## Overview

Wynn's 50664 Engine Stop Leak is a 325ml additive designed to instantly stop engine oil leaks by restoring and lubricating rubber and neoprene seals without affecting oil performance. Trusted by thousands, it prevents costly repairs and keeps your engine running smoothly.

## Description

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.

## Features

- Prevents and stops engine oil leaks without demounting
- Restores the elasticity of rubber and neoprene oil seal rings and O-rings
- Lubricates and maintains engine seals in good condition
- Will have no effect on the viscosity or performance of engine oil

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0031ROB36 |
| Best Sellers Rank | #38,581 in Automotive ( See Top 100 in Automotive ) #202 in Oil & Fluid Additives |
| Brand | Wynn's |
| Customer Reviews | 4.3 4.3 out of 5 stars (3,294) |
| Date First Available | 15 August 2012 |
| Item Weight | 325 g |
| Item model number | 50664 |
| Manufacturer | Wynn Oil UK |
| Manufacturer Part Number | 50664 |
| Model | W50664 |
| Product Dimensions | 5 x 5 x 11.99 cm; 325 g |

## Images

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

## Frequently Bought Together

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

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**Shop now:** [https://www.desertcart.pt/products/385266941-50664-325ml-engine-stop-leak](https://www.desertcart.pt/products/385266941-50664-325ml-engine-stop-leak)

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-09-14*