Stop Leak

Uses item details. Price when purchased online

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

Overall pick 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
From$498

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

4.5 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
From$594

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

4.4 out of 5 Stars. 664 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
From$698

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

4.6 out of 5 Stars. 495 reviews
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100+ bought since yesterday 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
From$1197

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

4.2 out of 5 Stars. 683 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
From$1232

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

4.5 out of 5 Stars. 418 reviews
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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
From$1199

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

4.7 out of 5 Stars. 1309 reviews
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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
From$1222

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

4.3 out of 5 Stars. 879 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
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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Bar's Leaks Liquid Aluminum Radiator & Heater Core Stop Leak Antifreeze & Coolant, 16.9 oz From $8.15

Bar's Leaks Liquid Aluminum Radiator & Heater Core Stop Leak Antifreeze & Coolant, 16.9 oz
Available in additional 4 options
From$815

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

4.6 out of 5 Stars. 513 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
From$1298

Lucas Oil Power Steering Stop Leak 12 Ounce Automotive Additive

4.5 out of 5 Stars. 357 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
From$1298

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

4.6 out of 5 Stars. 319 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. 1102 reviews
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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. 62 reviews
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Bar's Leaks Oil Seal Engine Oil Burning & Leak Repair, Automotive Additive, 16.9 oz From $22.28

Bar's Leaks Oil Seal Engine Oil Burning & Leak Repair, Automotive Additive, 16.9 oz
Available in additional 5 options
From$2228

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

4.6 out of 5 Stars. 932 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
From$3299

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

4.6 out of 5 Stars. 1019 reviews
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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
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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
From$1198

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

4.6 out of 5 Stars. 324 reviews
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100+ bought since yesterday Super Tech R-134a A/C Refrigerant Refill with Stop Leak, 12oz $18.88 $1.57/oz

Super Tech R-134a A/C Refrigerant Refill with Stop Leak, 12oz
current price $18.88
$1.57/oz

Super Tech R-134a A/C Refrigerant Refill with Stop Leak, 12oz

4.4 out of 5 Stars. 77 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
From$953

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

4.4 out of 5 Stars. 512 reviews
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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
From$797

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

4.6 out of 5 Stars. 546 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
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 1100 Block Seal Head Gasket Sealant Automotive Additive, 20 oz $12.99

Bar's Leaks 1100 Block Seal Head Gasket Sealant  Automotive Additive, 20 oz
current price $12.99

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

4.7 out of 5 Stars. 611 reviews
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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.)

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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Prestone AS145Y Radiator Stop Leak 11 oz Automotive Additive $19.99

Prestone AS145Y Radiator Stop Leak 11 oz Automotive Additive
current price $19.99

Prestone AS145Y Radiator Stop Leak 11 oz Automotive Additive

5 out of 5 Stars. 1 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
current price $19.00

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

4 out of 5 Stars. 4 reviews

Lucas 10279 Automotive Engine Oil Stop Leak, Gallon Size Bottle $29.51

Lucas 10279 Automotive Engine Oil Stop Leak, Gallon Size Bottle
current price $29.51

Lucas 10279 Automotive Engine Oil Stop Leak, Gallon Size Bottle

4.6 out of 5 Stars. 42 reviews
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Clearance Nsxcdh Radiator Stop Leak Powder,Car Water Tank Sealant 15 Ml,Quick Mix for Heater Core Hose,Anti Rust Compatible with Antifreeze,Auto Repair Additive $5.99 Was $6.99

Nsxcdh Radiator Stop Leak Powder,Car Water Tank Sealant 15 Ml,Quick Mix for Heater Core Hose,Anti Rust Compatible with Antifreeze,Auto Repair Additive
current price Now $5.99, Was $6.99

Nsxcdh Radiator Stop Leak Powder,Car Water Tank Sealant 15 Ml,Quick Mix for Heater Core Hose,Anti Rust Compatible with Antifreeze,Auto Repair Additive

Bars Leaks 01194 6 Oz Radiator Stop Leak Concentrate $13.00

Bars Leaks 01194 6 Oz Radiator Stop Leak Concentrate
current price $13.00

Bars Leaks 01194 6 Oz Radiator Stop Leak Concentrate

Blue Devil Pro BD12 Universal Leak Repair Automotive Additive, 12 oz $29.99

Blue Devil Pro BD12 Universal Leak Repair Automotive Additive, 12 oz
current price $29.99

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

Clearance TOUMENY Car Radiator Stop Leak Powder 15ml, Tank Leak Repair Additive for Cooling System, Leak Filler Powder for Trucks Cars with Long Lasting Protection $6.69 Was $7.49

TOUMENY Car Radiator Stop Leak Powder 15ml, Tank Leak Repair Additive for Cooling System, Leak Filler Powder for Trucks Cars with Long Lasting Protection
current price Now $6.69, Was $7.49

TOUMENY Car Radiator Stop Leak Powder 15ml, Tank Leak Repair Additive for Cooling System, Leak Filler Powder for Trucks Cars with Long Lasting Protection

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
From$3899

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

4.6 out of 5 Stars. 42 reviews
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Bar's Leaks Hydraulic Seal Hydraulic Stop Leak & Conditioner 32 oz $23.73

Bar's Leaks Hydraulic Seal Hydraulic Stop Leak & Conditioner 32 oz
current price $23.73

Bar's Leaks Hydraulic Seal Hydraulic Stop Leak & Conditioner 32 oz

4.8 out of 5 Stars. 115 reviews

LIQUI MOLY 250mL Radiator Stop-Leak $55.06

LIQUI MOLY 250mL Radiator Stop-Leak
current price $55.06

LIQUI MOLY 250mL Radiator Stop-Leak

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Car Tank Leak Repair Powder Stop Leak Powder Leak Filler Repair Tank Leak Stop Leak Leak Filler Powder Truck Leak Plugger Powerful Additive Powder Long Lasting, Usupdd 2025 Car Tank Leak $5.19

Car Tank Leak Repair Powder Stop Leak Powder Leak Filler Repair Tank Leak Stop Leak Leak Filler Powder Truck Leak Plugger Powerful Additive Powder Long Lasting, Usupdd 2025 Car Tank Leak
current price $5.19

Car Tank Leak Repair Powder Stop Leak Powder Leak Filler Repair Tank Leak Stop Leak Leak Filler Powder Truck Leak Plugger Powerful Additive Powder Long Lasting, Usupdd 2025 Car Tank Leak

New Lucas Oil 10019 Hydraulic Oil Booster and Stop Leak 1 Quart Pack Of 6 White $54.99

New Lucas Oil 10019 Hydraulic Oil Booster and Stop Leak 1 Quart Pack Of 6 White
current price $54.99

New Lucas Oil 10019 Hydraulic Oil Booster and Stop Leak 1 Quart Pack Of 6 White

Hi-Gear LEAKS NO MORE 444ml Can Engine Oil Stop Leak $18.99

Hi-Gear LEAKS NO MORE 444ml Can Engine Oil Stop Leak
current price $18.99

Hi-Gear LEAKS NO MORE 444ml Can Engine Oil Stop Leak

Car Tank Leak Repair Powder, Czzoypi Powerful Long Lasting Stop Leak Filler, 15ml Radiator Heater Core Plugger Additive Safe Quick Easy Application $7.49

Car Tank Leak Repair Powder, Czzoypi Powerful Long Lasting Stop Leak Filler, 15ml Radiator Heater Core Plugger Additive Safe Quick Easy Application
current price $7.49

Car Tank Leak Repair Powder, Czzoypi Powerful Long Lasting Stop Leak Filler, 15ml Radiator Heater Core Plugger Additive Safe Quick Easy Application

AT-205 Automatic Transmission Re-Seal Automotive Additive Bottle 8 ounce

AT-205 Automatic Transmission Re-Seal Automotive Additive Bottle 8 ounce
Available in additional 5 options

AT-205 Automatic Transmission Re-Seal Automotive Additive Bottle 8 ounce

4.5 out of 5 Stars. 194 reviews
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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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