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🛡️ Seal your engine’s future—don’t let leaks steal your drive!
Bar's Leaks OS-1 Oil Seal Engine Oil Burning/Leak Repair is a 16.9oz universal formula designed to stop oil leaks, renew worn valve seals, and eliminate blue exhaust smoke in gasoline and diesel engines, including turbocharged and hybrid models. Trusted for over 75 years, it fits a wide range of vehicles and equipment, preventing costly repairs and extending engine life.








| ASIN | B0764H6K45 |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | #8,634 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 3,895 Reviews |
| Global Trade Identification Number | 00046087010358 |
| Included Components | 16.9 oz Oil Seal |
| 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 Products |
| Manufacturer Part Number | OS-1 |
| Manufacturer Warranty Description | See Manufacturer |
| Model Number | OS-1 |
| Number of Packs | 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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