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This premium quality synthetic blend works with all Types Of Motor/Engine Oil Including Regular Petroleum, High Mileage, Synthetic Blends And Fully Synthetic Formulas.




Performance additive booster – includes tackifying agents and highly sheer-stable multigrade viscosity modifiers to keep oil on the gears and bearings where it can better lubricate, especially at higher temperatures.
Our sulfur, nitrogen and phosphorus additives meet the requirements of API GL-4 and GL-5 specifications. Reduces grinding, axle, clunking and protects gears. Extreme pressure ep and anti-wear aw agents – provide excellent metal-to-metal wear protection reducing noise and gear temperatures. Seal conditioner – stops current and prevents future leaks by protecting and reconditioning seals.



Engineered to be professional-grade and is safe to use for consumer applications as well as commercial use cases.
1. Bar's Leaks
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16.9 oz , Gray, Bar's Leaks 1186 Liquid Aluminum Stop Leak
#adBar's Leaks #ad - Seals radiator leaks. Bar's leaks liquid aluminum stop leak seals radiator leaks. Seals freeze plug leaks. Repairs gasket leaks. Tip: if direct access to radiator is not available, install in overflow tank.More information #ad
Special shipping information: This item cannot be returned and has additional shipping restrictions. Lowers water temperature. Seals freeze plug leaks. Repairs gasket leaks and heater core leaks. All products are safe to use per the directions, proper dosage and in a clean system.Brand | Bar's Leaks #ad |
Manufacturer | Bar's Leaks #ad |
Height | 7.4 Inches |
Length | 2.6 Inches |
Weight | 1.2 Pounds |
Width | 2.6 Inches |
Part Number | 1186 |
Model | 1186 |
Warranty | 1 year manufacturer |
More information #ad
2. Bar's Leaks
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Bar's Leaks Oil Seal Engine Oil Burning and Leak Repair
#adBar's Leaks #ad - However, for best results and to prevent the Problems From Reoccurring, Use With Every Other Oil Change, Or Once Per Year. Works in all gasoline and diesel engines including turbocharged, 4, 5, Including 3, Trucks, Eco Boost, 8 And 10 Cylinder Engines In All Cars, 6, hybrid and Even Racing Engines, Vans And Suv'S.This premium quality synthetic blend works with all Types Of Motor/Engine Oil Including Regular Petroleum, High Mileage, Synthetic Blends And Fully Synthetic Formulas.
More information #ad
Can also be used in heavy-duty applications as well As Tractors, Motorcycles Including Wet Clutch, Boats, Atv'S, Rv'S, Lawn Equipment. In most cases the oil leak issue will be repaired with a single dosage.Brand | Bar's Leaks #ad |
Manufacturer | Bar's Products #ad |
Weight | 1.1 Pounds |
Part Number | OS-1 |
Model | OS-1 |
Warranty | See Manufacturer |
More information #ad
3. Bar's Leaks
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16.9 oz, Bar's Leaks Rear Main Seal Repair
#adBar's Leaks #ad - Most leaks will stop within 100 miles or 2 days of driving. Specifically designed to seal rear main leaks, but also works better than a conventional stop leak on all other leaks.More information #ad
Do not overfill. Seals timing cover, cam seal, rear main and other hard to stop oil leaks. Add entire bottle of rear main seal repair to engine crankcase where you add oil at or between oil changes. Add to engine oil.Brand | Bar's Leaks #ad |
Manufacturer | Bar's Leaks #ad |
Height | 7.7 Inches |
Length | 1.9 Inches |
Weight | 1.1 Pounds |
Width | 3.4 Inches |
Part Number | 1040 |
Model | 1040 |
Warranty | No |
More information #ad
4. Bar's Leaks
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18 oz., Bar's Leaks 1109 Block Seal Liquid Copper Intake and Radiator Stop Leak
#adBar's Leaks #ad - Seals larger leaks seals. Repairs blocks. Repairs blown head gaskets. Repairs heater core leaks. Repairs freeze plug leaks.More information #ad
Brand | Bar's Leaks #ad |
Manufacturer | Bar's Leaks #ad |
Height | 2.6 Inches |
Length | 7.5 Inches |
Weight | 1.3 Pounds |
Width | 2.6 Inches |
Part Number | 1109 |
Model | 1109 |
More information #ad
5. Bar's Leaks
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Bar's Leak HG-1 HEAD SEAL Blown Head Gasket Repair
#adBar's Leaks #ad - Seals cracked Cylinder Heads And Blocks. Fixes leaking Freeze And Core Plugs. Stops heater Core And Radiator Leaks. Repairs blown Head And Intake Gasket Leaks.More information #ad
Brand | Bar's Leaks #ad |
Manufacturer | Bar's Leaks #ad |
Height | 3.22 Inches |
Length | 9.78 Inches |
Weight | 2.5 Pounds |
Width | 3.22 Inches |
Part Number | HG-1 |
Model | HG-1 |
Warranty | Manufacturer Warranty |
More information #ad
6. Bar's Leaks
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Bar's Leaks Axle and Differential Gear Repair
#adBar's Leaks #ad - Pour point depressant PPD allows product to flow even at very low temps. Friction modifier – supplements the ep/aw additives to help reduce noise and wear. Stops pinion, whining, output shaft and other seal leaks.Performance additive booster – includes tackifying agents and highly sheer-stable multigrade viscosity modifiers to keep oil on the gears and bearings where it can better lubricate, especially at higher temperatures.
More information #ad
Manufactured in the usa, this product works in all manual gearboxes, differentials, open & posi axles and more. This in turn helps shifting in a manual transmission and also stops chatter in limited-slip posi-traction axles. Our sulfur, nitrogen and phosphorus additives meet the requirements of API GL-4 and GL-5 specifications. Reduces grinding, axle, clunking and protects gears. Extreme pressure ep and anti-wear aw agents – provide excellent metal-to-metal wear protection reducing noise and gear temperatures. Seal conditioner – stops current and prevents future leaks by protecting and reconditioning seals.
Brand | Bar's Leaks #ad |
Manufacturer | Bar's Leaks #ad |
Height | 8.8 Inches |
Length | 3.5 Inches |
Width | 2 Inches |
Part Number | 1816 |
Model | 1816 |
Warranty | Please see manufacturer |
More information #ad
7. Bar's Leaks
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11 oz., Bar's Leaks PLT11 Pelletized HD Radiator Stop Leak
#adBar's Leaks #ad - Conditions cooling system. Helps control electrolysis. Lubricates water pump seals. Seals leaks. Inhibits rust and corrosion.More information #ad
Brand | Bar's Leaks #ad |
Manufacturer | Bar's Leaks #ad |
Height | 6 Inches |
Length | 3 Inches |
Weight | 0.69 Pounds |
Width | 3 Inches |
Part Number | PLT11 |
Model | PLT11 |
Warranty | See manufacturer |
More information #ad
8. Bar's Leaks
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16 oz., Bar's Leaks High Mileage Power Steering Repair
#adBar's Leaks #ad - Prevents future leaks. Conditions seals. Stops leaks. Restores performance and smoothest out hard steering. Quiets squeal and noisy pumps.More information #ad
Brand | Bar's Leaks #ad |
Manufacturer | Bar's Leaks #ad |
Height | 1.3 Inches |
Length | 8.4 Inches |
Weight | 1.08 Pounds |
Width | 3.5 Inches |
Part Number | 1600 |
Model | 1600 |
Warranty | Warranty |
More information #ad
9. Bar's Leaks
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Bar's Leaks H60 Hydraulic Seal Stop Leak & Conditioner, 32. Fluid_Ounces
#adBar's Leaks #ad - Keeps hydraulic seals soft and pliable, cleans and prevents formation of sludge and varnish, reduces friction and wear in hydraulic systems, and helps hydraulic systems run cool and last longer.Engineered to be professional-grade and is safe to use for consumer applications as well as commercial use cases.
More information #ad
Works with all petroleum and synthetic fluids, pump seals, control valve seals, cylinders, rams, actuators, O-ring boss fittings and hydrostatic transmissions. Made in the USA. Specially designed to repair hydraulic fluid leaks, reduce friction/wear and renew seals and O-rings in hydraulic systems.Brand | Bar's Leaks #ad |
Manufacturer | Bar's Leaks #ad |
Height | 2.4 Inches |
Length | 4.3 Inches |
Width | 9 Inches |
Part Number | H60 |
Model | H60 |
Warranty | Warranty |
More information #ad