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🛡️ Seal the deal on engine leaks before they seal your fate!
Bar's Leaks OS-1 Seal Engine Oil Burning/Leak Repair is a 16.9 oz universal formula designed to fix leaking main seals, gaskets, and worn valve seals in gasoline and diesel engines—including turbocharged and hybrid models. Trusted for over 75 years, it stops oil burning and blue exhaust smoke, reduces oil consumption up to one quart per day, and works across a wide range of vehicles and equipment, from cars and trucks to motorcycles and lawn gear.








| ASIN | B0764H6K45 |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | #253,361 in Car & Motorbike ( See Top 100 in Car & Motorbike ) #944 in Engine Oils for Motorbikes |
| Brand | Bar's Leaks |
| Brand Name | Bar's Leaks |
| Compatible with Vehicle Type | Truck |
| Container Type | Bottle |
| Country of Origin | USA |
| Customer Reviews | 4.2 out of 5 stars 3,624 Reviews |
| Global Trade Identification Number | 00046087010358 |
| Item Type Name | Oil Seal (Engine Oil Burning/Leak Repair) |
| Item Weight | 499 g |
| Liquid Volume | 16.9 Fluid Ounces |
| Manufacturer | Bar's Products |
| Manufacturer Part Number | OS-1 |
| Model | OS-1 |
| Package Information | Bottle |
| Size | Pack of 1 |
| UPC | 046087010358 |
| Unit Count | 499.79 Milliliters |
| Vehicle Service Type | Truck |
A**H
Fast Shipping and great product
I've bought a lot of products before but they didnt totally stop the leakage as what this product did.
P**Y
Does the job
Easy to use and does what it says
J**G
Funciona!!!
Magnífico. Tengo una de mis motos con casi ya 40 años y algunas fugas de aceite motor severas. No era una gotita, era ya casi pequeños charcos. Decidí probar este mejunje y el resultado es de 10. Han desaparecido por completo. No hay fugas ni gotas ni nada de aceite ya bajo la moto. Cuesta creer en estos productos milagrosos, de hecho no creía en ninguno pero como tenía mucha pereza y poca pasta para levantar el motot y gastar más de 200€ en juntas decidí probar por las reseñas positivas que leí a ver que tal en mi moto y si! Funciona 🙂 Apto para motores con embrague en baño de aceite o sea que lo puedes poner en tu moto sin problema... 😜
A**I
Works
Works
J**.
Calidad
Resultados muy buenos, lo recomiendo
Trustpilot
3 weeks ago
1 week ago