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Automotive Emergency PrepResold AutomotiveAdditional Garage EquipmentAdditivesAdvance Auto Parts ShopAftermarket & Performance Wheels and RimsAll Vehicle ClutchesAntifreeze & Car CoolantsArchoilATV / UTV Oils & FluidsATV ElectronicsATV FluidsATV Parts & AccessoriesAuto FiltersAuto Paint ChemicalsAuto Paint ToolsAuto Repair ToolsAuto Safety AccessoriesAutomotive Bulk BuysAutomotive Cleaners & DegreasersAutomotive ElectricalAutomotive FluidsAutomotive GreasesAutomotive HosesAutomotive OilsAutomotive Paints and CoatingsBoat CleanersBody Fillers and PuttiesBody Kits, Side Skirts & Rocker PanelsBody Repair ToolsBrakes & Brake PartsBulk Automotive FluidsBumpers & Bumper AccessoriesCamping & Overlanding AccessoriesCar & Truck Racks, Cargo Carriers & Ratchet StrapsCar CustomizationCar Exterior Door Handles, Door Skins & Door PartsCar Interior Door Handles, Door Panels & Door PartsCar LightingCar SpeakersCar Wash SuppliesCarquest Brake PartsCARQUEST on Advance Auto Parts ShopDaycoDetroit AxleDiagnostic and Test ToolsDirt Bike Parts & AccessoriesDormanEnergy SuspensionEngine & Powertrain Replacement PartsEnterprise B2B & Bulk Motor OilExhaust Parts & Emissions PartsExterior Car DecorationFarm and Agriculture Bulk BuysFuel CapsGarage and ShopGas Caps and Fuel DoorsGasket SealersGaskets & Sealers on Advance Auto Parts ShopGatesGauges, Instrument Clusters, Mounts & HardwareHarley Davidson Parts & AccessoriesHeater Parts and ComponentsHolley BrandsHonda Powersports Parts & AccessoriesInterior Car DetailingJeep Accessories by ModelJeep DoorsJeep Exterior AccessoriesJeep PartsJeep Tops & Top AccessoriesKawasaki Parts & AccessoriesKemimotoKYB Shocks and StrutsLift Supports & ComponentsLight Bulbs, Flashers, Fuses on Advance Auto Parts ShopLIQUI MOLYMaintenance EquipmentMishimotoMotor OilMotor Oil, Fluids & Additives on Advance Auto Parts ShopMotorcycle ElectronicsMotorcycle Oils & FluidsOil Change ToolsOverland Vehicle SystemsPerformance Brakes & AccessoriesPolaris Parts & AccessoriesPowerStopPrestoneRareElectricalReplacement Auto PartsRoad Trip Oil, Fluids & FiltersRV ExteriorRV Parts & Accessories by BrandRV PatioRV Waste Water and SanitationSeats & Seat PartsShop Jeep Accessories & Jeep Parts by BrandShop Truck Accessories & Truck Parts by BrandSixity AxlesSteering PartsSuperTechSuspension Parts & ComponentsSuzuki PartsTire and Wheel AccessoriesTowing HitchesTowing Hitches, Winches & AccessoriesTractor FluidsTractor PartsTractor Parts by Make & ModelTransmission Fluids on Advance Auto Parts ShopTruck and Fleet Bulk BuysTruck AwningsTruck RacksTuskUnity Automotive Suspension PartsUTV FluidsUTV Parts & AccessoriesValve Stems & Caps

Leak Stop

Uses item details. Price when purchased online

Lucas Oil Power Steering Stop Leak 12 Ounce Automotive Additive From $12.98

Lucas Oil Power Steering Stop Leak 12 Ounce Automotive Additive
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From$1298

Lucas Oil Power Steering Stop Leak 12 Ounce Automotive Additive

4.5 out of 5 Stars. 352 reviews

Lucas Oil 10278 Engine Oil Stop Leak - 1 Quart Automotive Additive From $12.32

Lucas Oil 10278 Engine Oil Stop Leak - 1 Quart Automotive Additive
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From$1232

Lucas Oil 10278 Engine Oil Stop Leak - 1 Quart Automotive Additive

4.5 out of 5 Stars. 411 reviews

Lucas 10009 Transmission Fix Automotive Performance Additive 24 Ounce - Stops Transmission Slips From $14.44

Lucas 10009 Transmission Fix Automotive Performance Additive 24 Ounce - Stops Transmission Slips
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From$1444

Lucas 10009 Transmission Fix Automotive Performance Additive 24 Ounce - Stops Transmission Slips

4.7 out of 5 Stars. 750 reviews

STP High Mileage Oil Treatment and Stop Leak Additive, 15 fl oz From $6.98

STP High Mileage Oil Treatment and Stop Leak Additive, 15 fl oz
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From$698

STP High Mileage Oil Treatment and Stop Leak Additive, 15 fl oz

4.6 out of 5 Stars. 489 reviews

Overall pick Bar's Leaks 1334 One Seal Stop Leak Automotive Additive, 11 oz From $5.94

Bar's Leaks 1334 One Seal Stop Leak Automotive Additive, 11 oz
Available in additional 6 options
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From$594

Bar's Leaks 1334 One Seal Stop Leak Automotive Additive, 11 oz

4.4 out of 5 Stars. 653 reviews

Lucas Oil 10278 Engine Oil Stop Leak - 1 Quart Automotive Additive From $12.32

Lucas Oil 10278 Engine Oil Stop Leak - 1 Quart Automotive Additive
Available in additional 4 options
Options
From$1232

Lucas Oil 10278 Engine Oil Stop Leak - 1 Quart Automotive Additive

4.5 out of 5 Stars. 411 reviews

Bar's Leaks 1199 Radiator Stop Leak Automotive Additive, Vehicle Type: Universal, 11oz From $4.98

Bar's Leaks 1199 Radiator Stop Leak Automotive Additive, Vehicle Type: Universal, 11oz
Available in additional 2 options
Options
From$498

Bar's Leaks 1199 Radiator Stop Leak Automotive Additive, Vehicle Type: Universal, 11oz

4.5 out of 5 Stars. 473 reviews

STP High Mileage Oil Treatment and Stop Leak Additive, 15 fl oz From $6.98

STP High Mileage Oil Treatment and Stop Leak Additive, 15 fl oz
Available in additional 6 options
Options
From$698

STP High Mileage Oil Treatment and Stop Leak Additive, 15 fl oz

4.6 out of 5 Stars. 489 reviews

K-Seal ST5501 Multi Purpose One Step Pour and Go Coolant Leak Repair 8 fl oz Bottle From $12.22

K-Seal ST5501 Multi Purpose One Step Pour and Go Coolant Leak Repair 8 fl oz Bottle
Available in additional 3 options
Options
From$1222

K-Seal ST5501 Multi Purpose One Step Pour and Go Coolant Leak Repair 8 fl oz Bottle

4.2 out of 5 Stars. 873 reviews

Bar's Leaks Rear Main Seal Repair Additive, 16.9 oz From $11.99

Bar's Leaks Rear Main Seal Repair Additive, 16.9 oz
Available in additional 5 options
Options
From$1199

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

4.7 out of 5 Stars. 1281 reviews

In 25+ people's carts Lucas Oil Heavy Duty Oil Stabilizer for Engines, 32 oz From $14.44

Lucas Oil Heavy Duty Oil Stabilizer for Engines, 32 oz
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From$1444

Lucas Oil Heavy Duty Oil Stabilizer for Engines, 32 oz

4.8 out of 5 Stars. 1042 reviews

Best seller Lucas Oil 10002 Heavy Duty Oil Stabilizer One Gallon Automotive Additive From $35.68

Lucas Oil 10002 Heavy Duty Oil Stabilizer One Gallon Automotive Additive
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From$3568

Lucas Oil 10002 Heavy Duty Oil Stabilizer One Gallon Automotive Additive

4.8 out of 5 Stars. 658 reviews

Bar's Leaks Jack Oil with Stop Leak Additive Lubricating Oil, 12.5 oz From $5.88

Bar's Leaks Jack Oil with Stop Leak Additive Lubricating Oil, 12.5 oz
Available in additional 2 options
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From$588

Bar's Leaks Jack Oil with Stop Leak Additive Lubricating Oil, 12.5 oz

4.8 out of 5 Stars. 2257 reviews

BlueDevil Oil Stop Leak 8 oz - Permanent Engine Oil Leak Sealer From $19.97

BlueDevil Oil Stop Leak 8 oz - Permanent Engine Oil Leak Sealer
Available in additional 5 options
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From$1997

BlueDevil Oil Stop Leak 8 oz - Permanent Engine Oil Leak Sealer

4.1 out of 5 Stars. 253 reviews

Best seller Super Tech Auto R-134a Refrigerant with Stop Leak, Self-sealing, 3 oz., Pack of 1, Vehicle Type Specific From $11.97

Super Tech Auto R-134a Refrigerant with Stop Leak, Self-sealing, 3 oz., Pack of 1, Vehicle Type Specific
Available in additional 2 options
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From$1197

Super Tech Auto R-134a Refrigerant with Stop Leak, Self-sealing, 3 oz., Pack of 1, Vehicle Type Specific

4.1 out of 5 Stars. 675 reviews

Bar's Leaks Block Seal Liquid Copper Coolant Leak Fix, Antifreeze and Coolants, 18 oz From $7.97

Bar's Leaks Block Seal Liquid Copper Coolant Leak Fix, Antifreeze and Coolants, 18 oz
Available in additional 2 options
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From$797

Bar's Leaks Block Seal Liquid Copper Coolant Leak Fix, Antifreeze and Coolants, 18 oz

4.6 out of 5 Stars. 535 reviews

Best seller Slime 10003 Tube Sealant From $6.96

Slime 10003 Tube Sealant
Available in additional 3 options
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From$696

Slime 10003 Tube Sealant

4.4 out of 5 Stars. 1114 reviews

Bar's Leaks High Mileage Cooling System Repair Antifreeze & Coolant 16.9 oz From $9.53

Bar's Leaks High Mileage Cooling System Repair Antifreeze & Coolant 16.9 oz
Available in additional 2 options
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From$953

Bar's Leaks High Mileage Cooling System Repair Antifreeze & Coolant 16.9 oz

4.4 out of 5 Stars. 509 reviews

Best seller Flex Seal Automotive Liquid Rubber Sealant Coating Aerosol, 14 oz, Black

Flex Seal Automotive Liquid Rubber Sealant Coating Aerosol, 14 oz, Black
Available in additional 2 options
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Flex Seal Automotive Liquid Rubber Sealant Coating Aerosol, 14 oz, Black

4.5 out of 5 Stars. 862 reviews

Lucas Oil Power Steering Stop Leak 12 Ounce Automotive Additive From $12.98

Lucas Oil Power Steering Stop Leak 12 Ounce Automotive Additive
Available in additional 5 options
Options
From$1298

Lucas Oil Power Steering Stop Leak 12 Ounce Automotive Additive

4.5 out of 5 Stars. 352 reviews

AtomEx Stop-Leak AEX123 Engine Oil Additive Automotive Additive 8 Ounce $19.00

AtomEx Stop-Leak AEX123 Engine Oil Additive Automotive Additive 8 Ounce
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current price $19.00

AtomEx Stop-Leak AEX123 Engine Oil Additive Automotive Additive 8 Ounce

4 out of 5 Stars. 4 reviews

Metal Roof Screw Cap Covers, Durable Aluminum-Zinc Alloy, Seal Existing Screw Heads to Prevent Leaks, Easy Installation for Home Projects (100pcs) From $21.99

Metal Roof Screw Cap Covers, Durable Aluminum-Zinc Alloy, Seal Existing Screw Heads to Prevent Leaks, Easy Installation for Home Projects (100pcs)
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From$2199

Metal Roof Screw Cap Covers, Durable Aluminum-Zinc Alloy, Seal Existing Screw Heads to Prevent Leaks, Easy Installation for Home Projects (100pcs)

Best seller Bar's Leaks Radiator Stop Leak Tablets $6.66 $3.78/oz

Bar's Leaks Radiator Stop Leak Tablets
current price $6.66
$3.78/oz

Bar's Leaks Radiator Stop Leak Tablets

4.6 out of 5 Stars. 60 reviews

Bar's Leaks Oil Seal Engine Oil Burning & Leak Repair, Automotive Additive, 16.9 oz From $20.00

Bar's Leaks Oil Seal Engine Oil Burning & Leak Repair, Automotive Additive, 16.9 oz
Available in additional 5 options
Options
From$2000

Bar's Leaks Oil Seal Engine Oil Burning & Leak Repair, Automotive Additive, 16.9 oz

4.6 out of 5 Stars. 930 reviews

STP Stop Leak and Stop Smoke High Mileage Engine Oil Additive, 15 fl oz From $8.10

STP Stop Leak and Stop Smoke High Mileage Engine Oil Additive, 15 fl oz
Available in additional 5 options
Options
From$810

STP Stop Leak and Stop Smoke High Mileage Engine Oil Additive, 15 fl oz

4.6 out of 5 Stars. 92 reviews

A/C Pro Super Seal All-In-One Stop Leak Charging Kit - 11 oz From $44.88

A/C Pro Super Seal All-In-One Stop Leak Charging Kit - 11 oz
Available in additional 2 options
Options
From$4488

A/C Pro Super Seal All-In-One Stop Leak Charging Kit - 11 oz

4 out of 5 Stars. 66 reviews

LUBEGARD Seal Fixx Multi-System Stop Leak (10 oz.) $19.99

LUBEGARD Seal Fixx Multi-System Stop Leak (10 oz.)
current price $19.99

LUBEGARD Seal Fixx Multi-System Stop Leak (10 oz.)

Bar's Leaks 1000 High Mileage Engine Repair, Automotive Additive, 16.9 oz From $12.98

Bar's Leaks 1000 High Mileage Engine Repair, Automotive Additive, 16.9 oz
Available in additional 5 options
Options
From$1298

Bar's Leaks 1000 High Mileage Engine Repair, Automotive Additive, 16.9 oz

4.6 out of 5 Stars. 307 reviews

K&W Trans-X Transmission Slip-Stop and Leak Fix, 15 fl oz, for Cars and Trucks $20.79 $1.39/fl oz

K&W Trans-X Transmission Slip-Stop and Leak Fix, 15 fl oz, for Cars and Trucks
current price $20.79
$1.39/fl oz

K&W Trans-X Transmission Slip-Stop and Leak Fix, 15 fl oz, for Cars and Trucks

4.3 out of 5 Stars. 61 reviews

Flex Seal As Seen on TV Aerosol Liquid Rubber Sealant Coating, 14 oz, Clear From $18.97

Flex Seal As Seen on TV Aerosol Liquid Rubber Sealant Coating, 14 oz, Clear
Black, variant on Flex Seal As Seen on TV Aerosol Liquid Rubber Sealant Coating, 14 oz, Clear
Clear, variant on Flex Seal As Seen on TV Aerosol Liquid Rubber Sealant Coating, 14 oz, Clear
White, variant on Flex Seal As Seen on TV Aerosol Liquid Rubber Sealant Coating, 14 oz, Clear
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From$1897

Flex Seal As Seen on TV Aerosol Liquid Rubber Sealant Coating, 14 oz, Clear

4.3 out of 5 Stars. 989 reviews

K-Seal Head Gasket Repair, 16 oz Bottle, for Head Gasket, Block, and Coolant Leaks From $22.97

K-Seal Head Gasket Repair, 16 oz Bottle, for Head Gasket, Block, and Coolant Leaks
Available in additional 2 options
Options
From$2297

K-Seal Head Gasket Repair, 16 oz Bottle, for Head Gasket, Block, and Coolant Leaks

3.9 out of 5 Stars. 274 reviews

Bar's Leaks 1400 High Mileage Transmission Repair, Automotive Additive, 16 oz From $11.98

Bar's Leaks 1400 High Mileage Transmission Repair, Automotive Additive, 16 oz
Available in additional 5 options
Options
From$1198

Bar's Leaks 1400 High Mileage Transmission Repair, Automotive Additive, 16 oz

4.6 out of 5 Stars. 319 reviews

Bar's Leaks Block Seal Head Gasket Fix Automotive Additive 24 oz

Bar's Leaks Block Seal Head Gasket Fix Automotive Additive 24 oz

Bar's Leaks Block Seal Head Gasket Fix Automotive Additive 24 oz

4.6 out of 5 Stars. 1093 reviews

Bar's Leaks Head Seal Blown Head Gasket Repair, Automotive Additive, 33.8 oz From $32.99

Bar's Leaks Head Seal Blown Head Gasket Repair, Automotive Additive, 33.8 oz
Available in additional 5 options
Options
From$3299

Bar's Leaks Head Seal Blown Head Gasket Repair, Automotive Additive, 33.8 oz

4.6 out of 5 Stars. 1015 reviews

Bar's Leaks Original Pelletized Formula Heavy-Duty Stop Leak, 11 oz $12.05

Bar's Leaks Original Pelletized Formula Heavy-Duty Stop Leak, 11 oz
current price $12.05

Bar's Leaks Original Pelletized Formula Heavy-Duty Stop Leak, 11 oz

4.3 out of 5 Stars. 92 reviews

Supercool A/C Leak Stop Seals, Aerosal Can, 4oz. STOPA $17.95

Supercool A/C Leak Stop Seals, Aerosal Can, 4oz. STOPA
current price $17.95

Supercool A/C Leak Stop Seals, Aerosal Can, 4oz. STOPA

4.3 out of 5 Stars. 6 reviews

Permatex 30301 Radiator Repair - Stop Leak, 16 fl oz, Protecting Against Coolant Loss, Stopping Leaks and Seepage from Head Gaskets From $14.00

Permatex 30301 Radiator Repair - Stop Leak, 16 fl oz, Protecting Against Coolant Loss, Stopping Leaks and Seepage from Head Gaskets
Available in additional 5 options
Options
From$1400

Permatex 30301 Radiator Repair - Stop Leak, 16 fl oz, Protecting Against Coolant Loss, Stopping Leaks and Seepage from Head Gaskets

3.8 out of 5 Stars. 4 reviews

Red Angel 00222 A/C Stop Leak & Conditioner - 4.5 Ounce $52.99

Red Angel 00222 A/C Stop Leak & Conditioner - 4.5 Ounce
current price $52.99

Red Angel 00222 A/C Stop Leak & Conditioner - 4.5 Ounce

5 out of 5 Stars. 5 reviews

Bar's Leaks Cooling System Stop Leak Antifreeze and Coolant, 11 oz

Bar's Leaks Cooling System Stop Leak Antifreeze and Coolant, 11 oz

Bar's Leaks Cooling System Stop Leak Antifreeze and Coolant, 11 oz

4.5 out of 5 Stars. 63 reviews

K-Seal Heavy Duty ST5516 Coolant Stop Leak 16oz for Large Trucks, RVs, and Tractors $19.99 $1.25/fl oz

K-Seal Heavy Duty ST5516 Coolant Stop Leak 16oz for Large Trucks, RVs, and Tractors
current price $19.99
$1.25/fl oz

K-Seal Heavy Duty ST5516 Coolant Stop Leak 16oz for Large Trucks, RVs, and Tractors

4.1 out of 5 Stars. 49 reviews

Blue Devil Pro BD12 Universal Leak Repair Automotive Additive, 12 oz $19.99 Was $24.95

Blue Devil Pro BD12 Universal Leak Repair Automotive Additive, 12 oz
current price Now $19.99, Was $24.95

Blue Devil Pro BD12 Universal Leak Repair Automotive Additive, 12 oz

Lucas 10279 Automotive Engine Oil Stop Leak, Gallon Size Bottle $29.65

Lucas 10279 Automotive Engine Oil Stop Leak, Gallon Size Bottle
current price $29.65

Lucas 10279 Automotive Engine Oil Stop Leak, Gallon Size Bottle

4.6 out of 5 Stars. 42 reviews

Lucas Oil 11100Engine Oil Stop Leak Top Off Additive $12.43 $12.43/count

Lucas Oil 11100Engine Oil Stop Leak Top Off Additive
current price $12.43
$12.43/count

Lucas Oil 11100Engine Oil Stop Leak Top Off Additive

4.2 out of 5 Stars. 16 reviews

Blue Devil 32oz Hydraulic Stop Leak

Blue Devil 32oz Hydraulic Stop Leak

Blue Devil 32oz Hydraulic Stop Leak

4.2 out of 5 Stars. 6 reviews

Permatex 30300 Head Gasket Repair - Multi-Purpose Stop-Leak, 16 fl. Oz, Seals Head Gaskets While Preventing Future Leaks From $15.64

Permatex 30300 Head Gasket Repair - Multi-Purpose Stop-Leak, 16 fl. Oz, Seals Head Gaskets While Preventing Future Leaks
Available in additional 5 options
Options
From$1564

Permatex 30300 Head Gasket Repair - Multi-Purpose Stop-Leak, 16 fl. Oz, Seals Head Gaskets While Preventing Future Leaks

4.9 out of 5 Stars. 10 reviews

4" WHITE Eternabond Roof Leak Repair Tape Patch Seal (5 ft) From $11.49

4" WHITE Eternabond Roof Leak Repair Tape Patch Seal (5 ft)
Available in additional 5 options
Options
From$1149

4" WHITE Eternabond Roof Leak Repair Tape Patch Seal (5 ft)

4.5 out of 5 Stars. 209 reviews

Bar's Leaks 1100 Block Seal Head Gasket Sealant Automotive Additive, 20 oz $12.68

Bar's Leaks 1100 Block Seal Head Gasket Sealant Automotive Additive, 20 oz
current price $12.68

Bar's Leaks 1100 Block Seal Head Gasket Sealant Automotive Additive, 20 oz

4.7 out of 5 Stars. 599 reviews

A/C Pro Super Seal All-in-one Stop Leak, 11 oz, Aerosol, 1 Pack, California Compliant $35.88 $3.26/oz

A/C Pro Super Seal All-in-one Stop Leak, 11 oz, Aerosol, 1 Pack, California Compliant
current price $35.88
$3.26/oz

A/C Pro Super Seal All-in-one Stop Leak, 11 oz, Aerosol, 1 Pack, California Compliant

4.1 out of 5 Stars. 13 reviews

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