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🛡️ Seal the deal on leaks before they seal your wallet!
Bar's Leaks OS-1 is a 16.9 oz universal oil seal additive designed to repair leaking engine seals and gaskets in gasoline and diesel engines, including turbocharged and hybrid models. Trusted for over 75 years, it stops oil burning and blue exhaust smoke, extending engine life across a wide range of vehicles and equipment.








| ASIN | B0764H6K45 |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | #8,523 in Automotive ( See Top 100 in Automotive ) #20 in Engine & Oil Fluid Additives |
| Brand | Bar's Leaks |
| Brand Name | Bar's Leaks |
| Compatible with Vehicle Type | Car, Truck |
| Container Type | Can |
| Customer Reviews | 4.2 out of 5 stars 3,849 Reviews |
| Global Trade Identification Number | 00046087010358 |
| Included Components | 16.9 oz Oil Seal |
| Item Type Name | Oil Seal (Engine Oil Burning/Leak Repair) |
| Item Weight | 1.1 Pounds |
| Liquid Volume | 16.9 Fluid Ounces |
| Manufacturer | Bar's Products |
| Manufacturer Part Number | OS-1 |
| Manufacturer Warranty Description | See Manufacturer |
| Model Number | OS-1 |
| Package Information | Can |
| Size | Pack of 1 |
| UPC | 046087010358 |
| Unit Count | 16.9 Fluid Ounces |
| Vehicle Service Type | Car, Truck |
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