Top 9 Oil Stop Leak Additive – Engine & Oil Fluid Additives

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1. Bar's Leaks

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Bar's Leaks Oil Seal Engine Oil Burning and 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, Rv'S, Atv'S, Boats, Lawn Equipment.

In most cases the oil leak issue will be repaired with a single dosage. This 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, including 3, 4, 6, 8 And 10 Cylinder Engines In All Cars, 5, Trucks, Hybrid And Even Racing Engines, Eco Boost, Vans And Suv'S.
BrandBar's Leaks #ad
ManufacturerBar's Products #ad
Weight1.1 Pounds
Part NumberOS-1
ModelOS-1
WarrantySee Manufacturer

2. Lucas Oil

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Lucas Oil 10278 Engine Oil Stop Leak, 1 Quart

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Lucas Oil #ad - 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. Reduces engine noise and oil consumption, while raising oil pressure.
BrandLucas Oil #ad
ManufacturerLUCAS OIL #ad
Height11.75 Inches
Length3.3 Inches
Weight2.03 Pounds
Width3.3 Inches
Part Number10278
Model10278
WarrantyManufacturer Warranty

3. STP

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Stop Leak Formula for Cars and Trucks, 15 Oz, STP, High Mileage Oil Treatment

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STP #ad - High-viscosity formula creates a thick cushion between moving engine parts to reduce friction. Zddp oil additive prevents wear to protect your high-mileage vehicle. One 15 fl oz bottle of stp High Mileage Oil Treatment + Stop Leak. Add this oil treatment to engine oil during every oil change. Formulated for vehicles with more than 75, 000 miles. Leak stopper helps prevent engine leaks, noises and smoking and helps to rejuvenate seals and gaskets.
BrandSTP #ad
ManufacturerSTP #ad
Height1.85 Inches
Length7.22 Inches
Weight0.95 Pounds
Width3.65 Inches
Part Number18411
Model15604B

4. Bardahl

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Bardahl 3119 Gear Oil Additive Plus Stop Leak, 8 oz.

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Bardahl #ad - Conditions seals and eliminates leaks. Suitable for use in all types of manual transmissions and differentials that specify standard automotive gear oils or motor oil as the lubricant. Improves synchronizer performance, decreasing shift effort in manual transmissions. Extends gear oil life. Protects against gear wear and reduces gear noise.
BrandBardahl #ad
ManufacturerBardahl #ad
Part Number3119
Model3119

5. Lucas Oil

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1 Gallon, Lucas Oil 10279 Engine Oil Stop Leak

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Lucas Oil #ad - Reduces engine noise and oil consumption, while raising oil pressure. Renews worn seals with no risk of damage or eventual corrosion. Contains no harmful solvents. Compatible with petroleum, semi-synthetic and full synthetic motor oils.
BrandLucas Oil #ad
ManufacturerLucas Oil #ad
Height6 Inches
Length4 Inches
Weight7.84 Pounds
Width6 Inches
Part Number10279
Model10279

6. Bar's Leaks

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

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

7. Lucas Oil

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

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

8. NO LEAK

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NO LEAK 20401 Engine Oil Stop Leak, 16 Fl oz.

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NO LEAK #ad - Safe & compatible with ALL engine oils. Stops and prevents engine oil leaks caused by dried, shrunken, or harden seals. Stops smoke and repairs rear main seals. Recommended for rear main seal repair.
BrandNO LEAK #ad
ManufacturerGold Eagle Co. #ad
Height8.88 Inches
Length8.44 Inches
Weight0.82 Pounds
Width5.56 Inches
Part Number20401
Model20401

9. Lucas Oil

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32 oz, White, Lucas Oil 10019 Hydraulic Oil Booster and Stop Leak

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Lucas Oil #ad - Conditions old seals and O-rings to stop and prevent future leaks. Specially suited for use in equipment with wet brakes. Removes varnish and restores pressure for more efficient operation. Extends life of hydraulic fluid up to 2 times.
BrandLucas Oil #ad
ManufacturerLUCAS OIL #ad
Height3.3 Inches
Length11.75 Inches
Weight2 Pounds
Width3.3 Inches
Part Number10019
Model10019
WarrantyManufacturer Warranty