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AdditivesAdvance Auto Parts ShopAftermarket & Performance Wheels and RimsAntifreeze & Car CoolantsArchoilATV / UTV Oils & FluidsATV FluidsAuto Repair ToolsAuto Safety AccessoriesAutomotive Bulk BuysAutomotive Cleaners & DegreasersAutomotive FluidsAutomotive HosesAutomotive OilsAutomotive Paints and CoatingsBulk Automotive FluidsCar WashCar Wash SuppliesCarquest Brake PartsDirt Bike Parts & AccessoriesEngine & Powertrain Replacement PartsEnterprise B2B & Bulk Motor OilExterior Car DecorationExterior Car DetailingFarm and Agriculture Bulk BuysGaskets & Sealers on Advance Auto Parts ShopHeater Parts and ComponentsInterior Car DetailingLIQUI MOLYMaintenance EquipmentMishimotoMotor OilMotor Oil, Fluids & Additives on Advance Auto Parts ShopMotorcycle Oils & FluidsOil Change ToolsReplacement Auto PartsSteering PartsSuperTechSuzuki PartsTire and Wheel AccessoriesTractor FluidsTransmission Fluids on Advance Auto Parts ShopTruck and Fleet Bulk BuysUTV FluidsValve Stems & Caps
Engine Leak(331)
Uses item details. Price when purchased online
BlueDevil Oil Stop Leak, 8 oz Bottle From $19.97

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From$1997
BlueDevil Oil Stop Leak, 8 oz Bottle
2114.1 out of 5 Stars. 211 reviews
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Bar's Leaks 1400 High Mileage Transmission Repair, Automotive Additive, 16 oz From $11.98

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From$1198
Bar's Leaks 1400 High Mileage Transmission Repair, Automotive Additive, 16 oz
2624.6 out of 5 Stars. 262 reviews
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Bar's Leaks 1000 High Mileage Engine Repair, Automotive Additive, 16.9 oz From $12.98

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From$1298
Bar's Leaks 1000 High Mileage Engine Repair, Automotive Additive, 16.9 oz
2584.7 out of 5 Stars. 258 reviews
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Bar's Leaks 1199 Radiator Stop Leak Automotive Additive, Vehicle Type: Universal, 11oz From $4.98

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From$498
Bar's Leaks 1199 Radiator Stop Leak Automotive Additive, Vehicle Type: Universal, 11oz
3814.4 out of 5 Stars. 381 reviews
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Bar's Leaks 1334 One Seal Stop Leak Automotive Additive, 11 oz From $5.94

6 options
Available in additional 6 optionsFrom$594
Bar's Leaks 1334 One Seal Stop Leak Automotive Additive, 11 oz
5284.4 out of 5 Stars. 528 reviews
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Bar's Leaks 1000 High Mileage Engine Repair, Automotive Additive, 16.9 oz From $12.98

5 options
Available in additional 5 optionsFrom$1298
Bar's Leaks 1000 High Mileage Engine Repair, Automotive Additive, 16.9 oz
2584.7 out of 5 Stars. 258 reviews
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Lucas Oil 10278 Automotive Engine Oil Stop Leak 32 Ounce Additive From $12.32

4 options
Available in additional 4 optionsFrom$1232
Lucas Oil 10278 Automotive Engine Oil Stop Leak 32 Ounce Additive
3744.5 out of 5 Stars. 374 reviews
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STP High Mileage Oil Treatment + Stop Leak Engine Oil Additive, 15 fl oz From $6.98

6 options
Available in additional 6 optionsFrom$698
STP High Mileage Oil Treatment + Stop Leak Engine Oil Additive, 15 fl oz
3904.6 out of 5 Stars. 390 reviews
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Bar's Leaks Oil Seal Engine Oil Burning & Leak Repair, Automotive Additive, 16.9 oz From $18.99

5 options
Available in additional 5 optionsFrom$1899
Bar's Leaks Oil Seal Engine Oil Burning & Leak Repair, Automotive Additive, 16.9 oz
7994.6 out of 5 Stars. 799 reviews
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STP Stop Leak + Stop Smoke High Mileage Engine Oil Additive, 15 fl oz From $8.10

5 options
Available in additional 5 optionsFrom$810
STP Stop Leak + Stop Smoke High Mileage Engine Oil Additive, 15 fl oz
904.6 out of 5 Stars. 90 reviews
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Bar's Leaks Head Seal Blown Head Gasket Repair, Automotive Additive, 33.8 oz From $32.99

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From$3299
Bar's Leaks Head Seal Blown Head Gasket Repair, Automotive Additive, 33.8 oz
8474.6 out of 5 Stars. 847 reviews
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Hot Shot's Secret FR3 Oil Treatment for Gas & Diesel Engines 16 oz From $15.81

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From$1581
Hot Shot's Secret FR3 Oil Treatment for Gas & Diesel Engines 16 oz
4844.9 out of 5 Stars. 484 reviews
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BlueDevil Oil Stop Leak, 8 oz Bottle From $19.97

5 options
Available in additional 5 optionsFrom$1997
BlueDevil Oil Stop Leak, 8 oz Bottle
2114.1 out of 5 Stars. 211 reviews
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K-Seal Multi Purpose One Step Pour and Go Permanent Coolant Leak Repair ST5501 Automotive Additive 8oz Bottle From $12.47

3 options
Available in additional 3 optionsFrom$1247
K-Seal Multi Purpose One Step Pour and Go Permanent Coolant Leak Repair ST5501 Automotive Additive 8oz Bottle
7744.2 out of 5 Stars. 774 reviews
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Lucas 10279 Automotive Engine Oil Stop Leak, Gallon Size Bottle $29.69

$2969
current price $29.69Lucas 10279 Automotive Engine Oil Stop Leak, Gallon Size Bottle
384.5 out of 5 Stars. 38 reviews
Best seller Bar's Leaks Liquid Aluminum Radiator & Heater Core Stop Leak Antifreeze & Coolant, 16.9 oz From $8.48

4 options
Available in additional 4 optionsFrom$848
Bar's Leaks Liquid Aluminum Radiator & Heater Core Stop Leak Antifreeze & Coolant, 16.9 oz
4214.6 out of 5 Stars. 421 reviews
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Bar's Leaks Rear Main Seal Repair Additive, 16.9 oz From $9.87

5 options
Available in additional 5 optionsFrom$987
Bar's Leaks Rear Main Seal Repair Additive, 16.9 oz
9524.7 out of 5 Stars. 952 reviews
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Blue Devil Pro BD12 Universal Leak Repair Automotive Additive, 12 oz $19.99 Was $24.95

Now$1999
current price Now $19.99, Was $24.95$24.95
Blue Devil Pro BD12 Universal Leak Repair Automotive Additive, 12 oz
Permatex 30302 Engine Oil Stop Leak, Effectively Stops and Prevents Oil Leaks, 12 oz From $17.99

5 options
Available in additional 5 optionsFrom$1799
Permatex 30302 Engine Oil Stop Leak, Effectively Stops and Prevents Oil Leaks, 12 oz
25 out of 5 Stars. 2 reviews
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Reduced price JUICEASE Engine Oil Dye Universal Fluorescent Oil Leak Test Dye UV Agent G7B7 $6.69 Was $7.87

Now$669
current price Now $6.69, Was $7.87$7.87
JUICEASE Engine Oil Dye Universal Fluorescent Oil Leak Test Dye UV Agent G7B7
100+ bought since yesterday STA-BIL Storage Fuel Stabilizer 8 Oz. Protects Engine from Gum , Varnish , Rust , Corrosion. Treats 20 gallons of fuel. From $6.78

Sponsored
From$678
STA-BIL Storage Fuel Stabilizer 8 Oz. Protects Engine from Gum , Varnish , Rust , Corrosion. Treats 20 gallons of fuel.
9834.8 out of 5 Stars. 983 reviews
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Hot Shot's Secret Stiction Eliminator Oil Treatment for Gas & Diesel Engines 16 oz. From $17.33

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From$1733
Hot Shot's Secret Stiction Eliminator Oil Treatment for Gas & Diesel Engines 16 oz.
7594.9 out of 5 Stars. 759 reviews
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Bar's Leaks Head Seal Blown Head Gasket Repair, Automotive Additive, 33.8 oz From $32.99

5 options
Available in additional 5 optionsFrom$3299
Bar's Leaks Head Seal Blown Head Gasket Repair, Automotive Additive, 33.8 oz
8474.6 out of 5 Stars. 847 reviews
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Bar's Leaks High Mileage Cooling System Repair Antifreeze & Coolant 16.9 oz From $8.97

2 options
Available in additional 2 optionsFrom$897
Bar's Leaks High Mileage Cooling System Repair Antifreeze & Coolant 16.9 oz
3954.4 out of 5 Stars. 395 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
11664.6 out of 5 Stars. 1166 reviews
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Lucas Oil 11100Engine Oil Stop Leak Top Off Additive $18.55 $18.55/count

$1855
current price $18.55$18.55/count
Lucas Oil 11100Engine Oil Stop Leak Top Off Additive
164.1 out of 5 Stars. 16 reviews
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Niteo Motor Medic C312 Radiator Sealer and Stop Leak - 11 oz. One Each, 11 oz. $12.99

$1299
current price $12.99Niteo Motor Medic C312 Radiator Sealer and Stop Leak - 11 oz. One Each, 11 oz.
Bar's Leaks Original Pelletized Formula Heavy-Duty Stop Leak, 11 oz $11.75

$1175
current price $11.75Bar's Leaks Original Pelletized Formula Heavy-Duty Stop Leak, 11 oz
914.3 out of 5 Stars. 91 reviews
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Bar's Leaks 1199 Radiator Stop Leak Automotive Additive, Vehicle Type: Universal, 11oz From $4.98

2 options
Available in additional 2 optionsFrom$498
Bar's Leaks 1199 Radiator Stop Leak Automotive Additive, Vehicle Type: Universal, 11oz
3814.4 out of 5 Stars. 381 reviews
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Tammyyerke Engine Oil Dye Universal Fluorescent Oil Leak Test Dye Agent UV M9C8 $8.64

$864
current price $8.64Tammyyerke Engine Oil Dye Universal Fluorescent Oil Leak Test Dye Agent UV M9C8
Sta-Bil Storage Fuel Stabilizer For Gasoline Engines 10oz (22311) From $7.84

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From$784
Sta-Bil Storage Fuel Stabilizer For Gasoline Engines 10oz (22311)
1764.8 out of 5 Stars. 176 reviews
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Mechanic in A Bottle for Gas & Diesel Fuel Systems 24 oz bottle. Fuel System Cleaner & Stabilizer for Peak Engine Performance $18.35

Sponsored
$1835
current price $18.35Mechanic in A Bottle for Gas & Diesel Fuel Systems 24 oz bottle. Fuel System Cleaner & Stabilizer for Peak Engine Performance
134 out of 5 Stars. 13 reviews
Rislone 4416 High Mileage Ring Seal Smoke Repair Automotive Additive, 16 oz From $6.74

5 options
Available in additional 5 optionsFrom$674
Rislone 4416 High Mileage Ring Seal Smoke Repair Automotive Additive, 16 oz
3374.5 out of 5 Stars. 337 reviews
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Bar's Leaks Block Seal Liquid Copper Coolant Leak Fix, Antifreeze and Coolants, 18 oz From $7.97

2 options
Available in additional 2 optionsFrom$797
Bar's Leaks Block Seal Liquid Copper Coolant Leak Fix, Antifreeze and Coolants, 18 oz
4404.6 out of 5 Stars. 440 reviews
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FJC R-134a for high mileage vehicles over 55,000 miles with specialty formulated synthetic lubricant, leak stop and conditioner - 12 oz $10.94

$1094
current price $10.94FJC R-134a for high mileage vehicles over 55,000 miles with specialty formulated synthetic lubricant, leak stop and conditioner - 12 oz
Bar's Leaks 1100 Block Seal Head Gasket Sealant Automotive Additive, 20 oz $21.07

$2107
current price $21.07Bar's Leaks 1100 Block Seal Head Gasket Sealant Automotive Additive, 20 oz
4864.7 out of 5 Stars. 486 reviews
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Hi-Gear LEAKS NO MORE 444ml Can Engine Oil Stop Leak $18.99

$1899
current price $18.99Hi-Gear LEAKS NO MORE 444ml Can Engine Oil Stop Leak
Lucas Oil Power Steering Stop Leak 12 Ounce Automotive Additive From $12.98

5 options
Available in additional 5 optionsFrom$1298
Lucas Oil Power Steering Stop Leak 12 Ounce Automotive Additive
3074.4 out of 5 Stars. 307 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
534.4 out of 5 Stars. 53 reviews
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STP Engine Stop Leak Engine Treatment Motor Oil, 14.5 fl oz $16.50

$1650
current price $16.50STP Engine Stop Leak Engine Treatment Motor Oil, 14.5 fl oz
24.5 out of 5 Stars. 2 reviews
Best seller Bar's Leaks Jack Oil with Stop Leak Additive Lubricating Oil, 12.5 oz From $5.88

2 options
Available in additional 2 optionsFrom$588
Bar's Leaks Jack Oil with Stop Leak Additive Lubricating Oil, 12.5 oz
16474.8 out of 5 Stars. 1647 reviews
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Best seller Steel Seal Blown Head Gasket Fix Repair Sealer for 6 Cylinder Engines $129.99

$12999
current price $129.99Steel Seal Blown Head Gasket Fix Repair Sealer for 6 Cylinder Engines
22 out of 5 Stars. 2 reviews
MotorPower Care Oil Stop Leak & Stop Smoke Valve Stem Seal Leak Repair & Engine Oil Additive for Ford, Lexus, BMW, Mercedes, Audi, VW & More $24.99

$2499
current price $24.99MotorPower Care Oil Stop Leak & Stop Smoke Valve Stem Seal Leak Repair & Engine Oil Additive for Ford, Lexus, BMW, Mercedes, Audi, VW & More
25 out of 5 Stars. 2 reviews
Valve Stem Seal Leak Repair Kit for Ford, Lexus, BMW, Mercedes, Mercury, Mini Cooper, Audi, VW, Oil Stop Leak, Stop Smoke, Oil Additive $14.99

$1499
current price $14.99Valve Stem Seal Leak Repair Kit for Ford, Lexus, BMW, Mercedes, Mercury, Mini Cooper, Audi, VW, Oil Stop Leak, Stop Smoke, Oil Additive
15 out of 5 Stars. 1 reviews
ATP AT-205 Re-Seal Automotive Additive for Rubber Seals and Gaskets, 8 Ounce (2 Pack) $38.11

$3811
current price $38.11ATP AT-205 Re-Seal Automotive Additive for Rubber Seals and Gaskets, 8 Ounce (2 Pack)
354.6 out of 5 Stars. 35 reviews
Automotive Smoke Machine 4.4oz Fluid Solution - Starter Size | Thick Smoke | Clean Output | OEM Approved for EVAP Leak, Vacuum, Exhaust, Turbo, Super Chargers, Fuel & Intake and More $9.98

$998
current price $9.98Automotive Smoke Machine 4.4oz Fluid Solution - Starter Size | Thick Smoke | Clean Output | OEM Approved for EVAP Leak, Vacuum, Exhaust, Turbo, Super Chargers, Fuel & Intake and More
35 out of 5 Stars. 3 reviews
3Pcs Radiator Stop Leak Powder under $5! Yannianjz Car Radiator Leak Repair Powder,Quick Stop Leak Filler For Water Tank,Powerful Sealing Additive For Truck,Long Lasting Engine Coolant Fix $8.99

$899
current price $8.993Pcs Radiator Stop Leak Powder under $5! Yannianjz Car Radiator Leak Repair Powder,Quick Stop Leak Filler For Water Tank,Powerful Sealing Additive For Truck,Long Lasting Engine Coolant Fix
Lucas Oil Hydraulic Oil Booster & Stop Leak, 1 gal $39.87

$3987
current price $39.87Lucas Oil Hydraulic Oil Booster & Stop Leak, 1 gal
25 out of 5 Stars. 2 reviews
Radiator Stop Leak and Cooling System Cleaner Additive for Cars and Trucks, Anti-Scale, Leak , Improved Heat Dissipation, 300ml

Radiator Stop Leak and Cooling System Cleaner Additive for Cars and Trucks, Anti-Scale, Leak , Improved Heat Dissipation, 300ml
Supercool UV Leak Detection Dye,1 oz. 16525 $14.02

$1402
current price $14.02Supercool UV Leak Detection Dye,1 oz. 16525
25 out of 5 Stars. 2 reviews
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