Top 10 Main Seal Stop Leak – Body Repair & Restoration Adhesives

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1. BlueDevil Products

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BlueDevil Rear Main Sealer

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BlueDevil Products #ad - Works in gas or Diesel Engines. Guaranteed Permanent Seal. Restores dried, Cracked and Shrunken Seals.
BrandBlueDevil Products #ad
ManufacturerBlueDevil Products #ad
Height6 Inches
Length2 Inches
Width2 Inches
Part Number00234
Model00234
Warrantylimited

2. Bar's Leaks

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16.9 oz, Bar's Leaks Concentrated Rear Main Seal Repair

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Bar's Leaks #ad - Seals timing cover, cam seal, rear main and other hard to stop oil leaks. Add to engine oil. Do not overfill. Dosage: one bottle treats 4 to 6 quarts of oil. Most leaks will stop within 100 miles or 2 days of driving. Add entire bottle of rear main seal repair to engine crankcase where you add oil at or between oil changes. Specifically designed to seal rear main leaks, but also works better than a conventional stop leak on all other leaks.
BrandBar's Leaks #ad
ManufacturerBar's Leaks #ad
Height7.7 Inches
Length1.9 Inches
Weight1.1 Pounds
Width3.4 Inches
Part Number1040
Model1040
WarrantyNo

3. Lucas Oil

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1 Quart, Lucas Oil 10278 Engine Oil Stop Leak

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Lucas Oil #ad - Reduces engine noise and oil consumption, while raising oil pressure. Contains no harmful solvents. Compatible with petroleum, semi-synthetic and full synthetic motor oils. Renews worn seals with no risk of damage or eventual corrosion.
BrandLucas Oil #ad
ManufacturerLUCAS OIL #ad
Height11.75 Inches
Length3.3 Inches
Weight2.03 Pounds
Width3.3 Inches
Part Number10278
Model10278
WarrantyManufacturer Warranty

4. Bar's Leaks

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16.9 oz., Bar's Leaks OS-1 Seal Engine Oil Burning/Leak Repair

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Bar's Leaks #ad - However, for best results and to prevent the problems from reoccurring, use with every other oil change, or once per year. Can also be used in heavy-duty applications as well as tractors, motorcycles including wet clutch, ATV's, boats, RV's, lawn equipment.

Works in all gasoline and diesel engines including turbocharged, trucks, hybrid and even racing engines, Eco Boost, 5, 6, 4, including 3, 8 and 10 cylinder engines in all cars, vans and SUV's.44 quarts of oil, in larger systems use 1 bottle for every 6 quarts, in small engines use approximately 3oz to every quart of oil. This premium quality synthetic blend works with all types of motor/engine oil including regular petroleum, high mileage, synthetic blends and fully synthetic formulas. In most cases the oil leak issue will be repaired with a single dosage. 5 - 4. Use 1/2 bottle for smaller systems 3.
BrandBar's Leaks #ad
ManufacturerBar's Products #ad
Weight1.1 Pounds
Part NumberOS-1
ModelOS-1
WarrantySee Manufacturer

5. Bar's Leaks

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Bar's Leaks MS-1 Main Seal Motor Oil Leak Repair, 32 fl. Oz.

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Bar's Leaks #ad - Synthetic blend, for all engines. Best stop leak formula money can Buy. Repair leaking front and rear main seals. Stop cam and timing seal leaks. Safe and easy to use, and works quickly.
BrandBar's Leaks #ad
ManufacturerBar's Leaks #ad
Height9.06 Inches
Length4.38 Inches
Weight2 Pounds
Width2.56 Inches
Part NumberMS-1
ModelMS-1
WarrantyManufacturer

6. Bar's Leaks

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1000 Engine Repair, Bar's Leaks, 16.9 oz

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Bar's Leaks #ad - Increases oil pressure. Quiets noise. Reduces oil consumption. Reduces friction. Helps clean internal parts.
BrandBar's Leaks #ad
ManufacturerBar's Leaks #ad
Height1.35 Inches
Length7.41 Inches
Weight1.05 Pounds
Width2.85 Inches
Part Number1000
Model1000
WarrantyManufacturer Warranty

7. BlueDevil Products

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BlueDevil Oil Stop Leak

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BlueDevil Products #ad - Package weight : 1. 0 pounds. Permanently seal seeping or dripping oil leaks. Package dimensions : 3. 25 l x 6. 0 h x 1. 0 w inches. Made in United States.
BrandBlueDevil Products #ad
ManufacturerBlueDevil Products #ad
Height1 Inches
Length6 Inches
Weight0.3 Pounds
Width3.1 Inches
Part Number49499
Model49499
Warrantylimited

8. Hapco Products Co.

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Hapco Products, Pro-Seal – 8 oz.

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Hapco Products Co. #ad - Does not contain petroleum distillates, which can harm or destroy rubber seals - 100% non-clogging. Can also be added at any time as a seal conditioner to help prevent future leaks - Compatible with all conventional and synthetic oils / fluids. Easy-to-use treatment quickly restores the flexibility, elasticity and tensile strength of all rubber seals. Positively stops oil / fluid leaks - Guaranteed or your money back! Engines, transmissions, differentials, power steering and hydraulic systems.
BrandHapco Products Co. #ad
ManufacturerHapco Products Co. #ad
Part Number208
Model8542053453

9. Lucas Oil

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1 Quart, Lucas Oil Products LUC10278 Engine Oil Stop Leak, 1 Pack

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Lucas Oil #ad - Package dimensions: 8. 89 l x 1016 w x 3048 h centimeters. Country of Origin: United States. Package weight: 0953 kilograms. Product type: Auto Oil.
BrandLucas Oil #ad
ManufacturerLucas Oil Products #ad
Height11.75 Inches
Length3.4 Inches
Weight2.12 Pounds
Width3.35 Inches
Part NumberLUC10278
ModelLUC10278

10. Bar's Leaks

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Grey, Bar's Leaks-1010 Engine Oil Stop Leak Concentrate, 11 oz Pack of 1

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Bar's Leaks #ad - Stops and seals motor oil leaks. Restores gaskets; seals to stop and prevent engine oil leaks. Works with all types of motor oil. Compatible with vehicle type: Car.
BrandBar's Leaks #ad
ManufacturerBar's Leaks #ad
Height6.5 Inches
Length1.8 Inches
Weight93 ounces
Width3 Inches
Part Number1010
Model1010
WarrantyNo