Leak Injection(98)
Uses item details. Price when purchased online
BlueDevil Oil Stop Leak 8 oz - Permanent Engine Oil Leak Sealer From $19.97

Sponsored
From$1997
BlueDevil Oil Stop Leak 8 oz - Permanent Engine Oil Leak Sealer
2144.1 out of 5 Stars. 214 reviews
Save with
STA-BIL In-Season Protection Cleans Injectors, Increases Mileage & Prevents Corrosion, 10 fl. oz. (22264) From $7.98

Sponsored
From$798
STA-BIL In-Season Protection Cleans Injectors, Increases Mileage & Prevents Corrosion, 10 fl. oz. (22264)
2014.8 out of 5 Stars. 201 reviews
Save with
Bar's Leaks 1400 High Mileage Transmission Repair, Automotive Additive, 16 oz From $11.98

Sponsored
From$1198
Bar's Leaks 1400 High Mileage Transmission Repair, Automotive Additive, 16 oz
2714.6 out of 5 Stars. 271 reviews
Save with
Bar's Leaks 1199 Radiator Stop Leak Automotive Additive, Vehicle Type: Universal, 11oz From $4.98

Sponsored
From$498
Bar's Leaks 1199 Radiator Stop Leak Automotive Additive, Vehicle Type: Universal, 11oz
3944.5 out of 5 Stars. 394 reviews
Save with
Leak Saver Leak Shot Automotive - Leak Sealant and Additive Injector - Made for Specialized Automotive Air-Conditioner System Repair - Non-Contaminating CO2 Cartridges - USA Made

Leak Saver Leak Shot Automotive - Leak Sealant and Additive Injector - Made for Specialized Automotive Air-Conditioner System Repair - Non-Contaminating CO2 Cartridges - USA Made
Leak Saver LS-ULT, Multicolor Direct Inject Industrial Sealant From $46.95

3 options
Available in additional 3 optionsFrom$4695
Leak Saver LS-ULT, Multicolor Direct Inject Industrial Sealant
15 out of 5 Stars. 1 reviews
Save with
Errecom Easy Inject Kit - 1/4 SAE + Extreme Ultra Leak Stop Additive for A/C & Refrigeration Systems $34.00

$3400
current price $34.00Errecom Easy Inject Kit - 1/4 SAE + Extreme Ultra Leak Stop Additive for A/C & Refrigeration Systems
LEAKFINDER LF0810 BIGEZ Air Conditioning Refrigerant Leak Detection Injection Kit - 8oz AC Leak Detector Dye, Caulking Gun Injector, R134A Hose Coupler, A $89.29 $89.29/count

$8929
current price $89.29$89.29/count
LEAKFINDER LF0810 BIGEZ Air Conditioning Refrigerant Leak Detection Injection Kit - 8oz AC Leak Detector Dye, Caulking Gun Injector, R134A Hose Coupler, A
Save with
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
5394.4 out of 5 Stars. 539 reviews
Save with
Leak Saver Direct Inject Acid Scavenger - Converts Acid to Synthetic Oil, for A/C Systems Up to 5 Tons - Made in The USA $36.95

$3695
current price $36.95Leak Saver Direct Inject Acid Scavenger - Converts Acid to Synthetic Oil, for A/C Systems Up to 5 Tons - Made in The USA
Bar's Leaks 1000 High Mileage Engine Repair, Automotive Additive, 16.9 oz From $12.98

Sponsored
From$1298
Bar's Leaks 1000 High Mileage Engine Repair, Automotive Additive, 16.9 oz
2644.7 out of 5 Stars. 264 reviews
Save with
STA-BIL In-Season Protection Fuel System Treatment and Fuel Injector Cleaner, Boost Mpg, Corrosion Protection, 8 fl oz (22288) $4.99 62.4 ¢/fl oz

Sponsored
$499
current price $4.9962.4 ¢/fl oz
STA-BIL In-Season Protection Fuel System Treatment and Fuel Injector Cleaner, Boost Mpg, Corrosion Protection, 8 fl oz (22288)
1964.8 out of 5 Stars. 196 reviews
Save with
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
2714.6 out of 5 Stars. 271 reviews
Save with
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
3784.5 out of 5 Stars. 378 reviews
Save with
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
3994.6 out of 5 Stars. 399 reviews
Save with
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
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
2144.1 out of 5 Stars. 214 reviews
Save with
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
3944.5 out of 5 Stars. 394 reviews
Save with
Bar's Leaks Rear Main Seal Repair Additive, 16.9 oz

5 options
Available in additional 5 optionsBar's Leaks Rear Main Seal Repair Additive, 16.9 oz
9904.7 out of 5 Stars. 990 reviews
Save with
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
4534.6 out of 5 Stars. 453 reviews
Save with
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
2644.7 out of 5 Stars. 264 reviews
Save with
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
64 out of 5 Stars. 6 reviews
Save with
Bar's Leaks Block Seal Head Gasket Fix Automotive Additive 24 oz

Bar's Leaks Block Seal Head Gasket Fix Automotive Additive 24 oz
12004.6 out of 5 Stars. 1200 reviews
Save with
Bar's Leaks Original Pelletized Formula Heavy-Duty Stop Leak, 11 oz $11.80

$1180
current price $11.80Bar's Leaks Original Pelletized Formula Heavy-Duty Stop Leak, 11 oz
924.3 out of 5 Stars. 92 reviews
Save with
LEAKFINDER LF180CS RELOAD Air Conditioner Refrigerant Leak Detection Refillable Syringe Kit - 8oz AC Leak Detector Dye, Reble Syringe Injector, R134A Hose Coupler, A $93.24

$9324
current price $93.24LEAKFINDER LF180CS RELOAD Air Conditioner Refrigerant Leak Detection Refillable Syringe Kit - 8oz AC Leak Detector Dye, Reble Syringe Injector, R134A Hose Coupler, A
Save with
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
4104.4 out of 5 Stars. 410 reviews
Save with
Liqui Moly 20132 250 ml Radiator Stop-Leak $18.10 Was $20.17

Now$1810
current price Now $18.10, Was $20.17$20.17
Liqui Moly 20132 250 ml Radiator Stop-Leak
15 out of 5 Stars. 1 reviews
Snoop Leak 747-8OZ-SNOOP 8 oz. Leak Detector $26.75

$2675
current price $26.75Snoop Leak 747-8OZ-SNOOP 8 oz. Leak Detector
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
3114.4 out of 5 Stars. 311 reviews
Save with
Fuel Injector Leak Test Kit Compatible with Cummins ISX Signature Engine Replace#: 3164001 $35.14

$3514
current price $35.14Fuel Injector Leak Test Kit Compatible with Cummins ISX Signature Engine Replace#: 3164001
Save with
Lucas 10279 Automotive Engine Oil Stop Leak, Gallon Size Bottle $29.99

$2999
current price $29.99Lucas 10279 Automotive Engine Oil Stop Leak, Gallon Size Bottle
394.5 out of 5 Stars. 39 reviews
Save with
Bar's Leaks 1100 Block Seal Head Gasket Sealant Automotive Additive, 20 oz $22.79

$2279
current price $22.79Bar's Leaks 1100 Block Seal Head Gasket Sealant Automotive Additive, 20 oz
5014.7 out of 5 Stars. 501 reviews
Save with
Motor Medic Oil Stop Leak,12 oz. Size,Amber M2112 $10.77 Was $19.95

Now$1077
current price Now $10.77, Was $19.95$19.95
Motor Medic Oil Stop Leak,12 oz. Size,Amber M2112
Bars Leaks 01194 6 Oz Radiator Stop Leak Concentrate $13.00

$1300
current price $13.00Bars Leaks 01194 6 Oz Radiator Stop Leak Concentrate
15 out of 5 Stars. 1 reviews
50+ bought since yesterday Lucas Oil 10003 Fuel Injector Cleaner 32 oz. Automotive Additive From $9.99

4 options
Available in additional 4 optionsFrom$999
Lucas Oil 10003 Fuel Injector Cleaner 32 oz. Automotive Additive
9684.8 out of 5 Stars. 968 reviews
Save with
STEELMAN 96278 16-Ounce Combustion Leak Indicating Fluid, Pack of 2 $21.99

$2199
current price $21.99STEELMAN 96278 16-Ounce Combustion Leak Indicating Fluid, Pack of 2
Bars Leaks 01194 6 Oz Radiator Stop Leak Concentrate $13.00

$1300
current price $13.00Bars Leaks 01194 6 Oz Radiator Stop Leak Concentrate
15 out of 5 Stars. 1 reviews
1PC HERCULES Leak Detector Blue Liquid 8 oz. $28.99

$2899
current price $28.991PC HERCULES Leak Detector Blue Liquid 8 oz.
Silverhook - Engine Stop Leak 350ml $30.95

$3095
current price $30.95Silverhook - Engine Stop Leak 350ml
Fuel Overflow Leak Pipe Return Oil Leak Pipe Diesel Injector Leak Pipe Hose For Mazda Bt50 1756563 BB3Q9K022AG

Fuel Overflow Leak Pipe Return Oil Leak Pipe Diesel Injector Leak Pipe Hose For Mazda Bt50 1756563 BB3Q9K022AG
Hyd Oil Boost/Stop Leak 4 Gal $35.82

$3582
current price $35.82Hyd Oil Boost/Stop Leak 4 Gal
233.9 out of 5 Stars. 23 reviews
Fuel Return Pipe Injector Leak Hose for 31471-4A440 314714A440 $9.62

$962
current price $9.62Fuel Return Pipe Injector Leak Hose for 31471-4A440 314714A440
IPW Industries Inc - Autotrol (1032971) Size B, Blue Injector $19.99 Was $22.99

Now$1999
current price Now $19.99, Was $22.99$22.99
IPW Industries Inc - Autotrol (1032971) Size B, Blue Injector
Bars Leaks 01194 6 Oz Radiator Stop Leak Concentrate $14.60

$1460
current price $14.60Bars Leaks 01194 6 Oz Radiator Stop Leak Concentrate
STA-BIL In-Season Protection Cleans Injectors, Increases Mileage & Prevents Corrosion, 10 fl. oz. (22264) From $7.98

6 options
Available in additional 6 optionsFrom$798
STA-BIL In-Season Protection Cleans Injectors, Increases Mileage & Prevents Corrosion, 10 fl. oz. (22264)
2014.8 out of 5 Stars. 201 reviews
Save with
Bar's Leaks R6 Liquid Radiator Stop Leak - 5.5 oz. $13.01

$1301
current price $13.01Bar's Leaks R6 Liquid Radiator Stop Leak - 5.5 oz.
11 out of 5 Stars. 1 reviews
Popular in Leak Injection
Related Products
Hydro-Boost Repair Kit Seal Leak Repair Replaces for Chevy GMC Ford Dodge Chrysler
Hydro-Boost Repair Kit Seal Leak Repair Replaces for Chevy GMC Ford Dodge Chrysler$13.80current price $13.80Injector,Filler Tube Car 2 Ounce 1/4 Oil Dye Tool R12 R134a R22 Tool 2 Ounce Car Oil Dye Oil Coolant Filler Dye Tool 2 Pure Liquid Oil R22 Air Car 1/4 Pure Liquid Ories Yorten Multicolor
Injector,Filler Tube Car 2 Ounce 1/4 Oil Dye Tool R12 R134a R22 Tool 2 Ounce Car Oil Dye Oil Coolant Filler Dye Tool 2 Pure Liquid Oil R22 Air Car 1/4 Pure Liquid Ories Yorten Multicolor$17.66current price $17.66Niteo Motor Medic C312 Radiator Sealer and Stop Leak - 11 oz. One Each, 11 oz.
Niteo Motor Medic C312 Radiator Sealer and Stop Leak - 11 oz. One Each, 11 oz.$12.99current price $12.99Leak Saver Direct Inject Acid Scavenger - Converts Acid to Synthetic Oil, for A/C Systems Up to 5 Tons - Made in The USA
Leak Saver Direct Inject Acid Scavenger - Converts Acid to Synthetic Oil, for A/C Systems Up to 5 Tons - Made in The USA$36.95current price $36.95K-Seal ST5516 Permanent Coolant Leak Repair 16oz.
K-Seal ST5516 Permanent Coolant Leak Repair 16oz.$24.99current price $24.99Bar's Products-Bar's Leaks 1194 Grey Radiator Stop Leak - 6 oz. -2 Pack
Bar's Products-Bar's Leaks 1194 Grey Radiator Stop Leak - 6 oz. -2 Pack$20.00current price $20.00ATP AT-205 Re-Seal Automotive Additive for Rubber Seals and Gaskets, 8 Ounce (2 Pack)
ATP AT-205 Re-Seal Automotive Additive for Rubber Seals and Gaskets, 8 Ounce (2 Pack)$40.90current price $40.90Red Line RL-2 Diesel Additive - 15oz. - 70303
Red Line RL-2 Diesel Additive - 15oz. - 70303$182.06current price $182.06Supercool Cooling System Stop Leak,Grease 39241B-YF
Supercool Cooling System Stop Leak,Grease 39241B-YF$27.95current price $27.95U-View Detergent Concentrated Fuel Cleaner
U-View Detergent Concentrated Fuel Cleaner$30.44current price $30.44ThGooriLy ST5501 Multi-Purpose Leak Repair, Stops Radiator & Head Gasket Leaks Coolant, 8 oz Bottle
ThGooriLy ST5501 Multi-Purpose Leak Repair, Stops Radiator & Head Gasket Leaks Coolant, 8 oz Bottle$15.49current price $15.49Nitro Lubricants Carb & Choke Cleaner - 12oz Sensor Safe, Fast Clean (4-Pack)
Nitro Lubricants Carb & Choke Cleaner - 12oz Sensor Safe, Fast Clean (4-Pack)$41.99current price $41.99K-Seal ST5501 Multi Purpose One Step Permanent Coolant Leak Repair Blue
K-Seal ST5501 Multi Purpose One Step Permanent Coolant Leak Repair Blue$16.99current price $16.99Automotive Cleaning Agent Carburetor Throttle Engine Disassembly Cleaning Exhaust Gas Removal Carbon Deposition Automotive Gasoline Additive 120ml, crgrtght 2025 Automotive Cleaning Agent Carburetor
Automotive Cleaning Agent Carburetor Throttle Engine Disassembly Cleaning Exhaust Gas Removal Carbon Deposition Automotive Gasoline Additive 120ml, crgrtght 2025 Automotive Cleaning Agent Carburetor$7.49current price $7.49Hydro-Boost Repair Kit Seal Leak Repair Replacement for Chevy GMC Ford Dodge Chrysler
Hydro-Boost Repair Kit Seal Leak Repair Replacement for Chevy GMC Ford Dodge Chrysler$20.99current price $20.99