Stop Leak(1000+)
Uses item details. Price when purchased online
AtomEx Stop-Leak AEX123 Engine Oil Additive Automotive Additive 8 Ounce $19.00

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$1900
current price $19.00AtomEx Stop-Leak AEX123 Engine Oil Additive Automotive Additive 8 Ounce
44 out of 5 Stars. 4 reviews
Overall pick 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
4864.5 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

6 options
Available in additional 6 optionsFrom$594
Bar's Leaks 1334 One Seal Stop Leak Automotive Additive, 11 oz
6644.4 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

6 options
Available in additional 6 optionsFrom$698
STP High Mileage Oil Treatment and Stop Leak Additive, 15 fl oz
4954.6 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

2 options
Available in additional 2 optionsFrom$1197
Super Tech Auto R-134a Refrigerant with Stop Leak, Self-sealing, 3 oz., Pack of 1, Vehicle Type Specific
6834.2 out of 5 Stars. 683 reviews
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Lucas Oil 10278 Engine Oil Stop Leak - 1 Quart Automotive Additive From $12.32

4 options
Available in additional 4 optionsFrom$1232
Lucas Oil 10278 Engine Oil Stop Leak - 1 Quart Automotive Additive
4184.5 out of 5 Stars. 418 reviews
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Bar's Leaks Rear Main Seal Repair Additive, 16.9 oz From $11.99

5 options
Available in additional 5 optionsFrom$1199
Bar's Leaks Rear Main Seal Repair Additive, 16.9 oz
13094.7 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

3 options
Available in additional 3 optionsFrom$1222
K-Seal ST5501 Multi Purpose One Step Pour and Go Coolant Leak Repair 8 fl oz Bottle
8794.3 out of 5 Stars. 879 reviews
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BlueDevil Oil Stop Leak 8 oz - Permanent Engine Oil Leak Sealer From $19.97

5 options
Available in additional 5 optionsFrom$1997
BlueDevil Oil Stop Leak 8 oz - Permanent Engine Oil Leak Sealer
2534.1 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

4 options
Available in additional 4 optionsFrom$815
Bar's Leaks Liquid Aluminum Radiator & Heater Core Stop Leak Antifreeze & Coolant, 16.9 oz
5134.6 out of 5 Stars. 513 reviews
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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
3574.5 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

5 options
Available in additional 5 optionsFrom$1298
Bar's Leaks 1000 High Mileage Engine Repair, Automotive Additive, 16.9 oz
3194.6 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
11024.6 out of 5 Stars. 1102 reviews
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Best seller Bar's Leaks Radiator Stop Leak Tablets $6.66 $3.78/oz

$666
current price $6.66$3.78/oz
Bar's Leaks Radiator Stop Leak Tablets
624.6 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

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Available in additional 5 optionsFrom$2228
Bar's Leaks Oil Seal Engine Oil Burning & Leak Repair, Automotive Additive, 16.9 oz
9324.6 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

5 options
Available in additional 5 optionsFrom$3299
Bar's Leaks Head Seal Blown Head Gasket Repair, Automotive Additive, 33.8 oz
10194.6 out of 5 Stars. 1019 reviews
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Bar's Leaks Original Pelletized Formula Heavy-Duty Stop Leak, 11 oz $12.05

$1205
current price $12.05Bar's Leaks Original Pelletized Formula Heavy-Duty Stop Leak, 11 oz
924.3 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

5 options
Available in additional 5 optionsFrom$1198
Bar's Leaks 1400 High Mileage Transmission Repair, Automotive Additive, 16 oz
3244.6 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

$1888
current price $18.88$1.57/oz
Super Tech R-134a A/C Refrigerant Refill with Stop Leak, 12oz
774.4 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

2 options
Available in additional 2 optionsFrom$953
Bar's Leaks High Mileage Cooling System Repair Antifreeze & Coolant 16.9 oz
5124.4 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

2 options
Available in additional 2 optionsFrom$797
Bar's Leaks Block Seal Liquid Copper Coolant Leak Fix, Antifreeze and Coolants, 18 oz
5464.6 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

5 options
Available in additional 5 optionsFrom$999
Rislone High Mileage Transmission Stop Slip with Leak Repair, Automotive Additives, 16.9 oz
74.1 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

$1299
current price $12.99Bar's Leaks 1100 Block Seal Head Gasket Sealant Automotive Additive, 20 oz
6114.7 out of 5 Stars. 611 reviews
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LUBEGARD Seal Fixx Multi-System Stop Leak (10 oz.) $19.99

$1999
current price $19.99LUBEGARD Seal Fixx Multi-System Stop Leak (10 oz.)
CD-2 4105R Stop Leak for Engine Oil - 15 oz. $13.23

$1323
current price $13.23CD-2 4105R Stop Leak for Engine Oil - 15 oz.
23.5 out of 5 Stars. 2 reviews
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Prestone AS145Y Radiator Stop Leak 11 oz Automotive Additive $19.99

$1999
current price $19.99Prestone AS145Y Radiator Stop Leak 11 oz Automotive Additive
15 out of 5 Stars. 1 reviews
AtomEx Stop-Leak AEX123 Engine Oil Additive Automotive Additive 8 Ounce $19.00

$1900
current price $19.00AtomEx Stop-Leak AEX123 Engine Oil Additive Automotive Additive 8 Ounce
44 out of 5 Stars. 4 reviews
Lucas 10279 Automotive Engine Oil Stop Leak, Gallon Size Bottle $29.51

$2951
current price $29.51Lucas 10279 Automotive Engine Oil Stop Leak, Gallon Size Bottle
424.6 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

Now$599
current price Now $5.99, Was $6.99$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

$1300
current price $13.00Bars Leaks 01194 6 Oz Radiator Stop Leak Concentrate
Blue Devil Pro BD12 Universal Leak Repair Automotive Additive, 12 oz $29.99

$2999
current price $29.99Blue 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

Now$669
current price Now $6.69, Was $7.49$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

5 options
Available in additional 5 optionsFrom$3899
ATP AT-205 Re-Seal Automotive Additive for Rubber Seals and Gaskets, 8 Ounce (2 Pack)
424.6 out of 5 Stars. 42 reviews
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Bar's Leaks Hydraulic Seal Hydraulic Stop Leak & Conditioner 32 oz $23.73

$2373
current price $23.73Bar's Leaks Hydraulic Seal Hydraulic Stop Leak & Conditioner 32 oz
1154.8 out of 5 Stars. 115 reviews
LIQUI MOLY 250mL Radiator Stop-Leak $55.06

$5506
current price $55.06LIQUI 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

$519
current price $5.19Car 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

$5499
current price $54.99New 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

$1899
current price $18.99Hi-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

$749
current price $7.49Car 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

5 options
Available in additional 5 optionsAT-205 Automatic Transmission Re-Seal Automotive Additive Bottle 8 ounce
1944.5 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

$3588
current price $35.88$3.26/oz
A/C Pro Super Seal All-in-one Stop Leak, 11 oz, Aerosol, 1 Pack, California Compliant
134.1 out of 5 Stars. 13 reviews
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