---
product_id: 364022022
title: "OS-1 Seal Engine Oil Burning/Leak Repair - 16.9 oz."
brand: "bar's leaks"
price: "R1738"
currency: ZAR
in_stock: true
category: "Bar's Leaks"
url: https://www.desertcart.co.za/products/364022022-os-1-seal-engine-oil-burning-leak-repair-16-9
store_origin: ZA
region: South Africa
---

# Works with gasoline & diesel, turbo & hybrid Stops oil burning & blue smoke Universal fit for all engines OS-1 Seal Engine Oil Burning/Leak Repair - 16.9 oz.

**Brand:** bar's leaks
**Price:** R1738
**Availability:** ✅ In Stock

## Summary

> 🛠️ Seal the deal before the leak steals your ride!

## Quick Answers

- **What is this?** OS-1 Seal Engine Oil Burning/Leak Repair - 16.9 oz. by bar's leaks
- **How much does it cost?** R1738 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/364022022-os-1-seal-engine-oil-burning-leak-repair-16-9)

## Best For

- bar's leaks enthusiasts

## Why This Product

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

## Key Features

- • **Trusted for 75+ Years:** Proven reliability to save you costly repairs
- • **Multi-Application Power:** Effective on cars, trucks, motorcycles, boats, and even lawn equipment
- • **Easy, Preventative Maintenance:** One bottle can prevent expensive engine damage and extend vehicle life
- • **Stops Oil Burning & Blue Smoke:** Restores worn valve seals to reduce oil consumption and emissions
- • **Universal Engine Compatibility:** Seals leaks in 3-10 cylinder engines, including turbocharged and hybrid

## Overview

Bar's Leaks OS-1 is a 16.9 oz universal engine oil sealant designed to repair leaking main seals, gaskets, and worn valve seals in gasoline and diesel engines—including turbocharged, EcoBoost, hybrid, and racing models. It stops oil burning and blue exhaust smoke across a wide range of vehicles and equipment, helping you avoid costly repairs and extend engine life.

## Description

Your vehicle is a good candidate for Bar’s Leaks Oil Seal Engine Oil Burning & Leak Repair if it does not consume more than one quart of oil per day. We have designed this product to work in all gasoline and diesel engines including turbocharged, EcoBoost, hybrid and even racing engines. . This covers 3, 4, 5, 6, 8 and 10 cylinder engines in all cars, trucks, vans and SUV’s. Our product can also be used in heavy-duty applications referencing the appropriate dosage level. This applies to a wide range of other motor applications too: tractors, boats, RV’s, motorcycles (including wet clutch), ATV’s, lawn equipment.

## Features

- DON'T GAMBLE ON AN UNPROVEN BRAND: A leaking engine, head gasket, cooling system, power steering or transmission is your one shot to avoid a bigger repair bill – reach for the brand proven for over 75 years
- REPAIRS LEAKING MAIN SEALS AND GASKETS: We have designed this product to work in all gasoline and diesel engines including turbocharged, EcoBoost, hybrid and even racing engines.
- RENEWS WORN VALVE SEALS AND GUIDES: Your vehicle is a good candidate for Bar’s Leaks Oil Seal Engine Oil Burning & Leak Repair if it does not consume more than one quart of oil per day.
- STOPS OIL BURNING & BLUE EXHAUST SMOKE: This covers 3, 4, 5, 6, 8 and 10 cylinder engines in all cars, trucks, vans and SUV’s. Our product can also be used in heavy-duty applications referencing the appropriate dosage level.
- SEAL ALL OTHER OIL LEAKS, DRIPS AND CONSUMPTION: This applies to a wide range of other motor applications too - tractors, boats, RV’s, motorcycles (including wet clutch), ATV’s, lawn equipment.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0764H6K45 |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | #276,900 in Car & Motorbike ( See Top 100 in Car & Motorbike ) #963 in Engine Oils for Motorbikes |
| Brand Name | Bar's Leaks |
| Compatible with Vehicle Type | Truck |
| Container Type | Bottle |
| Customer Reviews | 4.2 4.2 out of 5 stars (3,665) |
| Global Trade Identification Number | 00046087010358 |
| Item Highlight | Repairs Leaking Main Seals and Gaskets, Renews Worn Valve Seals and Guides, Stops Oil Burning & Blue Exhaust Smoke |
| Item Type Name | Oil Seal (Engine Oil Burning/Leak Repair) |
| Item Weight | 1.1 Pounds |
| Liquid Volume | 16.9 Fluid Ounces |
| Manufacturer | Bar's Leaks |
| Manufacturer Part Number | OS-1 |
| Model | OS-1 |
| Number of Packs | 1 |
| Size | Pack of 1 |
| UPC | 046087010358 |
| Unit Count | 499.79 Milliliters |

## Product Details

- **Brand:** Bar's Leaks
- **Liquid Volume:** 16.9 Fluid Ounces
- **Package Information:** Bottle
- **UPC:** 046087010358
- **Vehicle Service Type:** Truck

## Images

![OS-1 Seal Engine Oil Burning/Leak Repair - 16.9 oz. - Image 1](https://m.media-amazon.com/images/I/51hPwrz8k5L.jpg)
![OS-1 Seal Engine Oil Burning/Leak Repair - 16.9 oz. - Image 2](https://m.media-amazon.com/images/I/51OAbzZM5eL.jpg)
![OS-1 Seal Engine Oil Burning/Leak Repair - 16.9 oz. - Image 3](https://m.media-amazon.com/images/I/41qMu0Fm3PL.jpg)
![OS-1 Seal Engine Oil Burning/Leak Repair - 16.9 oz. - Image 4](https://m.media-amazon.com/images/I/81wHGFYridL.jpg)

## Questions & Answers

**Q: Should i drain 1/2 qt out of a full crankcase before adding this so as not to overfill?**
A: I would

**Q: Este producto tambien funsiona cuando el agua se mezcla gon el aceite?**
A: No, este producto no ayudará con ese problema. Es posible que se esté desarrollando un problema con la junta de la culata. Póngase en contacto con nuestro equipo de profesionales de servicio técnico en el siguiente enlace. Por favor, agregue la mayor cantidad de descripción sobre la marca y modelo del año del vehículo, así como el problema que está tratando.

Enlace de contacto: https://barsleaks.com/contact-us/

**Q: How much should i use for 2011 chrysler town and country and also would i apply this after an oil change?**
A: That vehicle has a 6 quart capacity. One bottle treats oil capacity from 4.5 quarts (4.3 liters) to 7 quarts (6.6 liters). Please use one full bottle after oil change. Make sure you are 1/2 quart low on oil before adding to the system to ensure you do not overfill. Top off with oil after adding if needed. 

If you have any other technical questions, feel free to contact our Technical Service Professionals at 800-345-6572 or if you would prefer you can use the contact us page on our website.

**Q: I have a 1992 Mitsubishi Montero. Would you recommend to use half a bottle, 3/4 of a bottle, or a full bottle?**
A: I would use 3/4 of a bottle. 

I looked up the 1992 Mitsubishi Montero. It looks like it can have two different engines (the 3.5L or 3.8L). Both engines have an oil capacity of 4.9L (5.18 quarts).

The bottle says to use 1/2 bottle for 4.4 quarts and a 1 bottle for 6 quarts.

## Frequently Bought Together

- Bar's Leaks OS-1 Oil Seal Engine Oil Burning and Leak Repair, 16.9 oz.
- Bar's Leaks 1000 High Mileage Engine Repair, 16.9 oz | Restores Performance, Increases Compression & Horsepower, Stops Leaks, Noise & Smoking
- Bar's Leaks High Mileage Transmission Repair-It, 16.9 Fl Oz

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.co.za/products/364022022-os-1-seal-engine-oil-burning-leak-repair-16-9](https://www.desertcart.co.za/products/364022022-os-1-seal-engine-oil-burning-leak-repair-16-9)

---

*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-11-02*