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🛡️ Seal leaks, stop smoke, and drive worry-free!
Bar's Leaks OS-1 Oil Seal Engine Oil Burning/Leak Repair is a universal 16.9oz formula designed to fix leaks in main seals, gaskets, and worn valve seals across gasoline and diesel engines—including turbocharged and hybrid models. It stops oil burning and blue exhaust smoke for engines ranging from 3 to 10 cylinders, suitable for cars, trucks, motorcycles, boats, and more. Trusted for over 75 years, this product offers a reliable, cost-effective alternative to costly repairs.








| ASIN | B0764H6K45 |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | #10,059 in Automotive ( See Top 100 in Automotive ) #21 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 3,891 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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