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AdditivesAdvance Auto Parts ShopAftermarket & Performance Wheels and RimsAntifreeze & Car CoolantsArchoilATV / UTV Oils & FluidsATV FluidsAuto Paint ChemicalsAuto Repair ToolsAuto Safety AccessoriesAutomotive Bulk BuysAutomotive Cleaners & DegreasersAutomotive FluidsAutomotive GreasesAutomotive OilsBoat CleanersBody Fillers and PuttiesBulk Automotive FluidsCarquest Brake PartsDirt Bike Parts & AccessoriesEngine & Powertrain Replacement PartsEnterprise B2B & Bulk Motor OilExhaust Parts & Emissions PartsExterior Car DetailingFarm and Agriculture Bulk BuysGasket SealersGaskets & Sealers on Advance Auto Parts ShopInterior Car DetailingLIQUI MOLYMaintenance EquipmentMotor OilMotor Oil, Fluids & Additives on Advance Auto Parts ShopMotorcycle Oils & FluidsOil Change ToolsReplacement Auto PartsRoad Trip Oil, Fluids & FiltersSuperTechSuzuki PartsTractor FluidsTruck and Fleet Bulk BuysUTV FluidsUTV Parts & Accessories

Engine Leak

Uses item details. Price when purchased online

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

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

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

4 out of 5 Stars. 4 reviews

Hot Shot's Secret FR3 Oil Treatment for Gas & Diesel Engines 16 oz From $17.48

Hot Shot's Secret FR3 Oil Treatment for Gas & Diesel Engines 16 oz
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From$1748

Hot Shot's Secret FR3 Oil Treatment for Gas & Diesel Engines 16 oz

4.9 out of 5 Stars. 492 reviews
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Hot Shot's Secret Stiction Eliminator Oil Treatment for Gas & Diesel Engines 16 oz. From $17.20

Hot Shot's Secret Stiction Eliminator Oil Treatment for Gas & Diesel Engines 16 oz.
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From$1720

Hot Shot's Secret Stiction Eliminator Oil Treatment for Gas & Diesel Engines 16 oz.

4.9 out of 5 Stars. 783 reviews
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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
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From$698

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

4.6 out of 5 Stars. 486 reviews
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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. 648 reviews
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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
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From$1298

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

4.6 out of 5 Stars. 304 reviews
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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
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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
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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
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From$498

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

4.5 out of 5 Stars. 471 reviews
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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
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Star Tron Enzyme Fuel Treatment - Small Engine Formula – Gas Additive Rejuvenates & Stabilizes Old Gasoline - Cures & Prevents Ethanol Problems From $8.92

Star Tron Enzyme Fuel Treatment - Small Engine Formula – Gas Additive Rejuvenates & Stabilizes Old Gasoline - Cures & Prevents Ethanol Problems
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From$892

Star Tron Enzyme Fuel Treatment - Small Engine Formula – Gas Additive Rejuvenates & Stabilizes Old Gasoline - Cures & Prevents Ethanol Problems

4.8 out of 5 Stars. 245 reviews
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REV-X High Performance Engine Oil Additive, 4 fl oz Bottle, 6 Pack $188.95

REV-X High Performance Engine Oil Additive, 4 fl oz Bottle, 6 Pack
Sponsored
current price $188.95

REV-X High Performance Engine Oil Additive, 4 fl oz Bottle, 6 Pack

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. 530 reviews
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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
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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
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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
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From$2000

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

4.6 out of 5 Stars. 926 reviews
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Bar's Leaks 1100 Block Seal Head Gasket Sealant Automotive Additive, 20 oz $11.70 Was $13.00

Bar's Leaks 1100 Block Seal Head Gasket Sealant Automotive Additive, 20 oz
current price Now $11.70, Was $13.00

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

4.7 out of 5 Stars. 597 reviews
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Bar's Leaks Liquid Aluminum Radiator & Heater Core Stop Leak Antifreeze & Coolant, 16.9 oz From $8.48

Bar's Leaks Liquid Aluminum Radiator & Heater Core Stop Leak Antifreeze & Coolant, 16.9 oz
Available in additional 4 options
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From$848

Bar's Leaks Liquid Aluminum Radiator & Heater Core Stop Leak Antifreeze & Coolant, 16.9 oz

4.6 out of 5 Stars. 508 reviews
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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
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From$3299

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

4.6 out of 5 Stars. 1011 reviews
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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. 506 reviews
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Clearance Tammyyerke Engine Oil Dye Universal Fluorescent Oil Leak Test Dye Agent UV M9C8 $7.65 Was $8.64

Tammyyerke Engine Oil Dye Universal Fluorescent Oil Leak Test Dye Agent UV M9C8
current price Now $7.65, Was $8.64

Tammyyerke Engine Oil Dye Universal Fluorescent Oil Leak Test Dye Agent UV M9C8

REV-X MAX ATV/UTV Engine Oil Treatment, 4 fl. oz. $41.90

REV-X MAX ATV/UTV Engine Oil Treatment, 4 fl. oz.
Sponsored
current price $41.90

REV-X MAX ATV/UTV Engine Oil Treatment, 4 fl. oz.

Dura Lube Engine Treatment, Automotive Oil Additive for Gas and Diesel Engines, 32 oz From $15.97

Dura Lube Engine Treatment, Automotive Oil Additive for Gas and Diesel Engines, 32 oz
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Sponsored
From$1597

Dura Lube Engine Treatment, Automotive Oil Additive for Gas and Diesel Engines, 32 oz

4.8 out of 5 Stars. 243 reviews
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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
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From$1298

Lucas Oil Power Steering Stop Leak 12 Ounce Automotive Additive

4.5 out of 5 Stars. 350 reviews
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Rislone 4416 High Mileage Ring Seal Smoke Repair Automotive Additive, 16 oz From $6.74

Rislone 4416 High Mileage Ring Seal Smoke Repair Automotive Additive, 16 oz
Available in additional 5 options
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From$674

Rislone 4416 High Mileage Ring Seal Smoke Repair Automotive Additive, 16 oz

4.6 out of 5 Stars. 377 reviews
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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

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
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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. 1124 reviews
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Rislone High Mileage Transmission Stop Slip with Leak Repair, Automotive Additives, 16.9 oz From $9.99

Rislone High Mileage Transmission Stop Slip with Leak Repair, Automotive Additives, 16.9 oz
Available in additional 5 options
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From$999

Rislone High Mileage Transmission Stop Slip with Leak Repair, Automotive Additives, 16.9 oz

4.1 out of 5 Stars. 7 reviews
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Bar's Leaks Rear Main Seal Repair Additive, 16.9 oz From $8.54

Bar's Leaks Rear Main Seal Repair Additive, 16.9 oz
Available in additional 5 options
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From$854

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

4.7 out of 5 Stars. 1281 reviews
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Bardahl Stops Oil Burning, Seals Empty Spaces Motor Oil, 16 oz $13.99

Bardahl Stops Oil Burning, Seals Empty Spaces Motor Oil, 16 oz
current price $13.99

Bardahl Stops Oil Burning, Seals Empty Spaces Motor Oil, 16 oz

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B3C Fuel Solutions Ethanol Shield 1 Gallon Fuel Stabilizer and System Cleaner for Gasoline Engines, Treats 1,280 Gallons (1 oz per 10 Gallons) $63.66 Was $74.15

B3C Fuel Solutions Ethanol Shield 1 Gallon Fuel Stabilizer and System Cleaner for Gasoline Engines, Treats 1,280 Gallons (1 oz per 10 Gallons)
Sponsored
current price Now $63.66, Was $74.15

B3C Fuel Solutions Ethanol Shield 1 Gallon Fuel Stabilizer and System Cleaner for Gasoline Engines, Treats 1,280 Gallons (1 oz per 10 Gallons)

4.7 out of 5 Stars. 35 reviews

STP 3-Pack Gasoline Engine & Fuel Additives - Fuel System Cleaner, Gas Treatment, & Octane Booster for Better Engine Performance From $16.97

STP 3-Pack Gasoline Engine & Fuel Additives - Fuel System Cleaner, Gas Treatment, & Octane Booster for Better Engine Performance
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From$1697

STP 3-Pack Gasoline Engine & Fuel Additives - Fuel System Cleaner, Gas Treatment, & Octane Booster for Better Engine Performance

4.6 out of 5 Stars. 310 reviews
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K&W 401232 Permanent Head Gasket and Block Repair 32 oz For Cars, Trucks, and Other Vehicles $43.06

K&W 401232 Permanent Head Gasket and Block Repair 32 oz For Cars, Trucks, and Other Vehicles
current price $43.06

K&W 401232 Permanent Head Gasket and Block Repair 32 oz For Cars, Trucks, and Other Vehicles

4.4 out of 5 Stars. 22 reviews

STP Engine Stop Leak Engine Treatment Motor Oil, 14.5 fl oz $18.50

STP Engine Stop Leak Engine Treatment Motor Oil, 14.5 fl oz
current price $18.50

STP Engine Stop Leak Engine Treatment Motor Oil, 14.5 fl oz

4.5 out of 5 Stars. 2 reviews

ATP AT-205 Re-Seal Automotive Additive for Rubber Seals and Gaskets, 8 Ounce (2 Pack) From $38.99

ATP AT-205 Re-Seal Automotive Additive for Rubber Seals and Gaskets, 8 Ounce (2 Pack)
Available in additional 5 options
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From$3899

ATP AT-205 Re-Seal Automotive Additive for Rubber Seals and Gaskets, 8 Ounce (2 Pack)

4.7 out of 5 Stars. 41 reviews
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K&W FiberLock Head Gasket & Block Repair 32 fl oz $39.59 Was $52.38

K&W FiberLock Head Gasket & Block Repair 32 fl oz
current price Now $39.59, Was $52.38

K&W FiberLock Head Gasket & Block Repair 32 fl oz

4 out of 5 Stars. 29 reviews
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Bar's Leaks Original Pelletized Formula Heavy-Duty Stop Leak, 11 oz $11.75

Bar's Leaks Original Pelletized Formula Heavy-Duty Stop Leak, 11 oz
current price $11.75

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

4.3 out of 5 Stars. 92 reviews
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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. 41 reviews
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Best seller Permatex 30300 Head Gasket Repair - Multi-Purpose Stop-Leak, 16 fl. Oz, Seals Head Gaskets While Preventing Future Leaks From $16.47

Permatex 30300 Head Gasket Repair - Multi-Purpose Stop-Leak, 16 fl. Oz, Seals Head Gaskets While Preventing Future Leaks
Available in additional 5 options
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From$1647

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. 9 reviews
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Lucas Oil 11100Engine Oil Stop Leak Top Off Additive $12.43 Was $19.22 $12.43/count

Lucas Oil 11100Engine Oil Stop Leak Top Off Additive
current price Now $12.43, Was $19.22
$12.43/count

Lucas Oil 11100Engine Oil Stop Leak Top Off Additive

4.3 out of 5 Stars. 15 reviews
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Unbranded Engine Leak Sealing Agent Automotive Additive, 1 $50.99

Unbranded Engine Leak Sealing Agent Automotive Additive, 1
current price $50.99

Unbranded Engine Leak Sealing Agent Automotive Additive, 1

CD-2 4105R Stop Leak for Engine Oil - 15 oz. $13.23

CD-2 4105R Stop Leak for Engine Oil - 15 oz.
current price $13.23

CD-2 4105R Stop Leak for Engine Oil - 15 oz.

3.5 out of 5 Stars. 2 reviews
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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
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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
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K-Seal ST5516 Permanent Coolant Leak Repair 16oz. $24.51

K-Seal ST5516 Permanent Coolant Leak Repair 16oz.
current price $24.51

K-Seal ST5516 Permanent Coolant Leak Repair 16oz.

3.3 out of 5 Stars. 4 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
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From$1198

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

4.6 out of 5 Stars. 316 reviews
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AtomEx Stop-Leak AEX123 Engine Oil Additive Automotive Additive 8 Ounce $19.00

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

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

4 out of 5 Stars. 4 reviews

LEAKFINDER LF3001CS Automotive Engine Coolant Leak Detection Dye, Services Radiators, Hoses, Heater Cores, Water Pumps, 1oz Ultraviolet Fluorescent Dye Bottle, A $10.64

LEAKFINDER LF3001CS Automotive Engine Coolant Leak Detection Dye, Services Radiators, Hoses, Heater Cores, Water Pumps, 1oz Ultraviolet Fluorescent Dye Bottle, A
current price $10.64

LEAKFINDER LF3001CS Automotive Engine Coolant Leak Detection Dye, Services Radiators, Hoses, Heater Cores, Water Pumps, 1oz Ultraviolet Fluorescent Dye Bottle, A

4.5 out of 5 Stars. 2 reviews
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Silverhook - Engine Stop Leak 350ml $33.27

Silverhook - Engine Stop Leak 350ml
current price $33.27

Silverhook - Engine Stop Leak 350ml

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
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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
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