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Item #:
10066517
Bar's Leaks OS-1 Oil Seal Engine Oil Burning/Leak Repair, 16.9oz, 1-Pack | Repairs Leaking Main Seals and Gaskets, Renews Worn Valve Seals and
Item #:
10066517
€ 18
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Imported from USA store
Order now and get it around Monday, August 17
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This professional strength synthetic stop leak revitalizes worn seals and gaskets to restore them to like-new performance, and stops oil leaks in all gasoline and diesel engines including turbocharged, Eco Boost, hybrid, racing engines, tractors, boats, and other heavy-duty applications.
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What Stands Out
Dual Purpose Formula
Combines engine oil burning and leak repair with high mileage power steering repair in one product, addressing multiple vehicle issues efficiently.
High Mileage Support
Formulated specifically for high mileage vehicles, helping to rejuvenate aging seals and gaskets, ultimately extending the life of your engine and power steering systems.
Easy Application
User-friendly solution that can be added directly to the engine or power steering system, simplifying the repair process and saving time for vehicle owners.
Product Details
- Premium quality synthetic blend works with all types of motor/engine oil including regular petroleum, high mileage, synthetic blends and fully synthetic formulas
- Works in all gasoline and diesel engines, including turbocharged, eco boost, hybrid, and racing engines in all cars, trucks, vans, and SUVs
- Can also be used in heavy-duty applications as well as tractors, boats, RVs, motorcycles, ATVs, and lawn equipment
- Revitalizes worn seals and gaskets to stop main seal, valve seals, timing cover seal, cam seals, crankshaft seal, oil pan, valve cover, and all other oil leaks
- Can address oil burning issues by stopping oil leaks or burning during the ignition cycle with a single application
- Each product is formulated and manufactured in the U.S.A., offering fast and affordable solutions for automotive maintenance
| Container Type | Can |
| Compatible with Vehicle Type | Car, Truck |
| Automotive Fit Type | Universal Fit |
| Liquid Volume | 16.9 fluid ounces |
| Brand Name | Bar's Leaks |
| Manufacturer Part Number | OS-1 |
| UPC | 046087010358 |
| Global Trade Identification Number | 00046087010358 |
| Manufacturer | Bar's Products |
| Size | Pack of 1 |
| Unit Count | 16.9 Fluid Ounces |
| Included Components | 16.9 oz Oil Seal |
| Item Type Name | Oil Seal (Engine Oil Burning/Leak Repair) |
| Model Number | OS-1 |
| Brand | Bar's Leaks |
| Package Information | Can |
| Vehicle Service Type | Car, Truck |
| Package Weight | 2.53 Pound (1.15 kg) |
Who Should Buy?
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High Mileage Vehicles
Ideal for older vehicles with high mileage, helping to reduce oil burning and leaks effectively.
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Oil Leak Issues
Perfect for users experiencing engine oil leaks, providing a sealant solution to minimize leaks immediately.
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Preventative Maintenance
Beneficial for routine car maintenance as a preventative measure against future oil leaks and burning.
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Severe Engine Damage
Not suitable for engines with significant external damage, which may require professional repairs instead.
Product Description
Bar's Leaks OS-1 Oil Seal Engine Oil Burning/Leak Repair, 16.9oz, 1-Pack | Repairs Leaking Main Seals and Gaskets, Renews Worn Valve Seals and Guides, Stops Oil Burning & Blue Exhaust Smoke
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What is Bars Leaks OS-1 Oil Seal Engine Oil Burning and Leak Repair?
Answer: Bars Leaks OS-1 is a specialized engine oil additive designed to combat oil burning and leaks in various engine types. This 16.9 oz formula works by restoring the flexibility and sealing capabilities of engine seals and gaskets, thus preventing leaks and reducing oil consumption. It's perfect for those dealing with older vehicles or engines experiencing wear and tear, where oil leaks are common. Many users find it effective in prolonging engine life and reducing the frequency of costly repairs. -
Question:
How does Bars Leaks OS-1 work?
Answer: Bars Leaks OS-1 functions by combining advanced additives that swell and soften rubber, silicone, or cork seals present in engines. This action effectively fills gaps and keeps lubricating oil contained within the engine system. It is particularly effective when added to oil at the first signs of leak or oil burn, allowing for smoother operation. Many car enthusiasts and mechanics recommend using it during regular maintenance to preemptively address potential seal failures. -
Question:
Is Bars Leaks OS-1 safe for all engine types?
Answer: Yes, Bars Leaks OS-1 is compatible with most conventional and synthetic oils, making it safe for use in gasoline and diesel engines. However, it’s advisable to consult your vehicle's user manual for any specific restrictions. Its versatility makes it a favorite among mechanics and car owners, enabling it to be used across a wide range of vehicles, from everyday commuters to classic cars. -
Question:
How long does it take to see results after using Bars Leaks OS-1?
Answer: Users typically report observable results within a few hours of application. The swelling agents in Bars Leaks OS-1 start working almost immediately to close minor leaks and reduce oil consumption. For persistent issues, it may take a few days to fully notice improvements. Regular checks on oil levels and performance can help you gauge the effectiveness of the treatment in your engine. -
Question:
Can Bars Leaks OS-1 be used in newer vehicles?
Answer: Absolutely! While Bars Leaks OS-1 is particularly useful for older engines, new vehicles can benefit as well, especially those showing signs of minor leaks or oil consumption. Regular use can help prevent future seal deterioration, making it an excellent maintenance product. Car owners often appreciate its preventive capabilities and the potential to minimize the need for extensive repairs in newer models. -
Question:
What are the symptoms that indicate I should use Bars Leaks OS-1?
Answer: Common symptoms include visible oil leaks under the vehicle, increased oil consumption, or smoke from the exhaust due to burning oil. If you notice any of these issues, it's a good idea to consider using Bars Leaks OS-1. Addressing these problems promptly can help avoid further engine damage and maintain performance. It's a smart choice for both proactive maintenance and urgent leaks. -
Question:
How do I apply Bars Leaks OS-1 to my engine?
Answer: To apply Bars Leaks OS-1, start with a warm engine for optimal circulation. Add the entire contents of the 16.9 oz bottle to your engine oil through the oil fill cap. After adding, run your engine for approximately 10 minutes to ensure thorough mixing and application of the product. This method is commonly used among car enthusiasts and has shown effective results across various engines. -
Question:
Will Bars Leaks OS-1 hurt my engine if added incorrectly?
Answer: No, Bars Leaks OS-1 is formulated to be safe for your engine when used as directed. In case of an accidental overfill, simply check your oil levels and remove any excess oil if necessary. Responsible application as per instructions is vital, ensuring that the additive functions effectively without causing harm, which is often a concern for first-time users. -
Question:
Can I use Bars Leaks OS-1 with other additives?
Answer: It's best to use Bars Leaks OS-1 on its own to maximize its effectiveness. Mixing it with other additives or treatments could dilute its properties, reducing its ability to seal leaks. For optimal results, add Bars Leaks OS-1 to clean oil, and allow it to work as a stand-alone solution. Many users have found that this approach not only simplifies maintenance but also improves overall engine performance. -
Question:
Where can I buy Bars Leaks OS-1 Oil Seal Engine Oil Burning and Leak Repair?
Answer: You can purchase Bars Leaks OS-1 Oil Seal Engine Oil Burning and Leak Repair at Ubuy in Ireland. Ubuy offers a seamless shopping experience, ensuring you find the product easily and conveniently, along with various payment options and customer service support.
Bar's Leaks Engine & Oil OS-1 Editorial Review
Bar's Leaks Oil Seal is an engine oil leak repair solution that is designed to help repair and prevent engine oil leaks. It is compatible with all gasoline and diesel engines, including turbocharged, EcoBoost, hybrid, and racing engines. The product can also be used in heavy-duty applications like tractors and boats. It is easy to use Bar's Leaks Oil Seal; one bottle of the product is enough to treat oil capacity from 4.5 quarts (4.3 liters) to 7 quarts (6.6 liters). The product should be added to the engine after an oil change, and it is essential to ensure that the engine oil level is 1/2 quart low before adding it to the system. The product can also be used in conjunction with Bar's Leaks Engine Repair, and only one bottle should be added depending on the leaking area. Feedback from customers who used Bar's Leaks Oil Seal is mixed. While some customers have reported that the product worked great and sealed their engine oil leaks, others complained that it did not work for them, and they considered it a waste of money.
Customer Reviews & Ratings
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Pros
- Easy to use
- Prevents and repairs engine oil leaks
- Compatible with gasoline and diesel engines, including turbocharged, EcoBoost, hybrid, and racing engines
- Can be used in heavy-duty applications like tractors and boats
- Can be used in conjunction with Bar's Leaks Engine Repair
Cons
- Mixed feedback from customer reviews
Platform Trust & Buyer Confidence
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer
“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
K
kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer
“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
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SAO JOHN
Verified buyer
“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 2026 · via Trustpilot
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€ 18
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Features & Benefits
- Revitalizes worn seals and gaskets
- Stops oil leaks in all types of engines
- Works with all types of motor/engine oil
- Can be used in heavy-duty applications
- Single application for oil burning problems
- Use for best results and to prevent problems from reoccurring
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