Skip to main content
PetLawn & GardenTruck & AutomotiveClothingPoultryHeating & CoolingHorseSporting GoodsOutdoor Power EquipmentFencing & GatesLivestockOutdoor LivingPet & Animal PharmacyToolsHome ImprovementFarm & RanchBoots & ShoesTrailers & TowingHome Decor & FurnitureWild Birds & WildlifeToysGift CardsServices Propane RefillTrailer RentalGarden CenterFeed CenterSame Day DeliveryPetVet ClinicPet WashGrooming at PetsenseDog Training at PetsenseTractor Supply RxPet InsuranceWag!

"Savings and Offers"

Weekly AdSaleClearance

"More Options"

Weekly AdWhat's NewTractor Supply AppEarn Rewards with Neighbor's ClubHometown HeroesLife Out Here BlogTSC Exclusive BrandsTop BrandsClearance ItemsBattery FinderOutdoor Power Equipment Parts FinderHitch Finder

Spend $49.99 to unlock Free Delivery on most orders

|
Learn More
Order statusTSC Credit CardsWhat’s newPetsenseWeekly Ad
​

Sign In / Enroll

Get rewarded!

​
Menu

Search

Home

Sign In

Cart
0.0
(0)
0.0 out of 5 stars.
A woman outside with a dog
A woman outside with a dog
  1. Home
  2. /
  3. Truck & Automotive
  4. /
  5. Automotive Fluids & Chemicals
  6. /
  7. Stop Leak
  8. /

  9. ABRO Stop Leak Liquid

  1. Home
  2. /
  4. /
  5. Stop Leak

ABRO Stop Leak Liquid

Shop all ABRO
ABRO Stop Leak Liquid

Item # 603278299

ABRO ABRO Stop Leak Liquid
ABRO ABRO Stop Leak Liquid
$4.99

Neighbor's Club logo
Neighbor’s Club Members earn points with purchases.

Sign in or Join Now

Shop all ABRO
ABRO Stop Leak Liquid

Item # 603278299

ABRO ABRO Stop Leak Liquid
ABRO ABRO Stop Leak Liquid

$4.99

This item is available online only

Delivery to

Free standard delivery on online footwear & Clothing purchases of $49 and over.

​
Neighbor's Club logo
Neighbor’s Club Members earn points with purchases.

Sign in or Join Now

ABRO Heavy Duty Stop Leak Liquid is a fast-acting, permanent solution designed to quickly seal leaks in your vehicle's cooling system. Formulated with powerful water pump lubricants and rust inhibitors, it not only stops leaks but also protects vital components from wear and corrosion. Ideal for use in radiators, water pumps, heater cores, and head gaskets, this versatile formula ensures reliable, long-lasting performance. Safe for use on cracked engine blocks, cylinders, and gaskets, it effectively seals even the toughest leaks.

  • Fast-Acting, Permanent Seal. Seals leaks in radiators, heater cores, and cooling system components quickly and effectively.
  • Contains Water Pump Lubricants. Helps extend water pump life by lubricating seals and bearings during and after treatment.
  • Built-In Rust & Corrosion Inhibitors. Protects the entire cooling system from rust, scale, and corrosion to help prevent future leaks and wear.
  • No Draining or Flushing Required. Treats your system without the need for complicated procedures, tools, or mess.
BrandABRO
Country of OriginMade in USA
API Service ClassificationN/A
CompatibilityUniversal
Container TypeBottle
FeaturesWith added protection and system conditioning, it does more than just sealit protects your entire cooling system.
Longevity2 years
Maximum Operating Temperature0 deg.
Minimum Operating Temperature0 deg.
Motor Oil TypeOther
Oil Container SizeN/A
Package Quantity1
Viscosity GradeN/A
Viscosity IndexN/A
Manufacturer Part NumberSL-624
No questions have been asked about this product.

No questions have been asked about this product.

Q&As

No questions have been asked about this product.

No questions have been asked about this product.

Similar Items

  1. ABRO Engine Oil Stop Leak
    4.0 out of 5 stars with 1 reviews
    4.0 (1)

    ABRO Engine Oil Stop Leak

    $7.99
  2. ABRO Stop-Leak Powder
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ABRO Stop-Leak Powder

    $3.99
  3. Top Rated
    BlueDevil 8 oz. Oil Stop Leak
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

    BlueDevil 8 oz. Oil Stop Leak

    $22.99
  4. Lucas Oil Products 32 oz. Engine Oil Stop Leak
    4.0 out of 5 stars with 6 reviews
    4.0 (6)

    Lucas Oil Products 32 oz. Engine Oil Stop Leak

    $14.99
  5. LeakFinder Oil Based Dye
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    LeakFinder Oil Based Dye

    $9.99
  6. Miles Lubricants Miles Hydro Stop Leak Hydraulic Advanced Technology Pao Based 5 Gallon Pail
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Miles Lubricants Miles Hydro Stop Leak Hydraulic Advanced Technology Pao Based 5 Gallon Pail

    $652.49
    Was $724.99Save $72.50
  7. Lucas Oil Products 1 gal. Hydraulic Oil Booster and Stop Leak
    4.5 out of 5 stars with 28 reviews
    4.5 (28)

    Lucas Oil Products 1 gal. Hydraulic Oil Booster and Stop Leak

    $34.99
  8. Top Rated
    Lucas Oil Products 32 oz. Hydraulic Oil Booster and Stop Leak
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

    Lucas Oil Products 32 oz. Hydraulic Oil Booster and Stop Leak

    $13.99
  9. Miles Lubricants Miles Hydro Stop Leak Hydraulic/Mobile A/C Products Advanced Technology Pao Based (16 oz/12)(Case)
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Miles Lubricants Miles Hydro Stop Leak Hydraulic/Mobile A/C Products Advanced Technology Pao Based (16 oz/12)(Case)

    $89.99
    Was $99.99Save $10.00
  10. Miles Lubricants Miles Hydro Stop Leak (55 Gallon Drum) Advanced Technology Pao Based Hydraulic
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Miles Lubricants Miles Hydro Stop Leak (55 Gallon Drum) Advanced Technology Pao Based Hydraulic

    $7,267.49
    Was $8,074.99Save $807.50
  11. Valvoline 32 oz. MaxLife Power Steering Fluid with Stop Leak
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Valvoline 32 oz. MaxLife Power Steering Fluid with Stop Leak

    $12.49
  12. ABRO Smoke Stop
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ABRO Smoke Stop

    $4.99

Items You May Like

  1. Top Rated
    Traveller 1 gal. 50/50 Prediluted Extended Life Antifreeze and Coolant
    4.9 out of 5 stars with 34 reviews
    4.9 (34)

    Traveller 1 gal. 50/50 Prediluted Extended Life Antifreeze and Coolant

    $11.99
  2. Top Rated
    Maverick Industrial Maverick Snow Plow Oil
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

    Maverick Industrial Maverick Snow Plow Oil

    $11.99
  3. Traveller 0W20 Full Synthetic Oil, 1 qt., 507199
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Traveller 0W20 Full Synthetic Oil, 1 qt., 507199

    $5.99
  4. Traveller 1 qt. SAE 10W-40 Conventional Motor Oil
    4.0 out of 5 stars with 3 reviews
    4.0 (3)

    Traveller 1 qt. SAE 10W-40 Conventional Motor Oil

    $5.99
  5. Prestone 64 oz. Nitrite Free Heavy-Duty Concentrated Antifreeze+Coolant
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prestone 64 oz. Nitrite Free Heavy-Duty Concentrated Antifreeze+Coolant

    $22.99
  6. Top Rated
    Traveller 1 qt. SAE 5W-30 Conventional Motor Oil
    5.0 out of 5 stars with 6 reviews
    5.0 (6)

    Traveller 1 qt. SAE 5W-30 Conventional Motor Oil

    $5.99
  7. Sta-Bil 12 oz. Fogging Oil, Compatible with All 2 and 4 Cycle Gasoline Engines
    4.6 out of 5 stars with 50 reviews
    4.6 (50)

    Sta-Bil 12 oz. Fogging Oil, Compatible with All 2 and 4 Cycle Gasoline Engines

    $9.99
  8. Top Rated
    Traveller 1 qt. SAE 5W-20 Full Synthetic Motor Oil
    4.8 out of 5 stars with 4 reviews
    4.8 (4)

    Traveller 1 qt. SAE 5W-20 Full Synthetic Motor Oil

    $5.99
  9. Prestone Dex-Cool Concentrate Antifreeze
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prestone Dex-Cool Concentrate Antifreeze
  10. Top Rated
    Valvoline 1 qt. 5W-20 Advanced Full Synthetic Motor Oil
    4.9 out of 5 stars with 607 reviews
    4.9 (607)

    Valvoline 1 qt. 5W-20 Advanced Full Synthetic Motor Oil

    $7.99
  11. Gumout 16 oz. Carb/Choke and Parts Cleaner
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Gumout 16 oz. Carb/Choke and Parts Cleaner

    $5.40
  12. Top Rated
    Valvoline 1 qt. 5W-30 High-Mileage with MaxLife Technology Motor Oil
    4.9 out of 5 stars with 310 reviews
    4.9 (310)

    Valvoline 1 qt. 5W-30 High-Mileage with MaxLife Technology Motor Oil

    $7.99

Customers Also Bought

  1. ABRO Automatic Transmission Conditioner
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ABRO Automatic Transmission Conditioner

    $9.99
  2. ABRO BugAway Windshield Washer Fluid
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ABRO BugAway Windshield Washer Fluid

    $8.99
  3. ABRO Clearview Anti-Fog
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ABRO Clearview Anti-Fog

    $5.99
  4. ABRO Heavy Duty Power Degreaser 6-1 gallon
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ABRO Heavy Duty Power Degreaser 6-1 gallon

    $11.69
    Was $12.99Save $1.30
  5. ABRO Heavy Duty Power Degreaser
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    ABRO Heavy Duty Power Degreaser

    $6.99
  6. B'laster R1234yf with Leak Seal and Gauge
    4.3 out of 5 stars with 6 reviews
    4.3 (6)

    B'laster R1234yf with Leak Seal and Gauge

    $72.99
  7. B'laster 10 oz. R134a Refill with Leak Seal
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    B'laster 10 oz. R134a Refill with Leak Seal

    $27.99
  8. Miles Lubricants Miles Hydro Stop Leak(4*1 Gallon)(Case) Advanced Technology Pao Based Hydraulic
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Miles Lubricants Miles Hydro Stop Leak(4*1 Gallon)(Case) Advanced Technology Pao Based Hydraulic

    $296.99
    Was $329.99Save $33.00
  9. Miles Lubricants Miles Voltage Ii (5 Gal. Pail) Inhibited Electrial Insulating Oil Type Ii
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Miles Lubricants Miles Voltage Ii (5 Gal. Pail) Inhibited Electrial Insulating Oil Type Ii

    $139.49
    Was $154.99Save $15.50
  10. STARFIRE UTH
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    STARFIRE UTH
  11. STARFIRE Hydraulic Fluid 32
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    STARFIRE Hydraulic Fluid 32
  12. STARFIRE MEF-3 Economy UTH
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    STARFIRE MEF-3 Economy UTH

Reviews

Review this Product

Select to rate the item with 1 star. This action will open submission form.
Select to rate the item with 2 stars. This action will open submission form.
Select to rate the item with 3 stars. This action will open submission form.
Select to rate the item with 4 stars. This action will open submission form.
Select to rate the item with 5 stars. This action will open submission form.
Be the first to review this product
Get the top deals, latest trends and more
Sign up for emails from Tractor Supply today.
First Name*
Last Name*
Email*

Customer Support

  • Order Status

  • Return Policy

  • Delivery Options

  • Tax Exemptions

  • Frequently Asked Questions

  • Contact Us

  • Recall Notices

  • Call:  

    (877) 718-6750

  • Mon - Sat: 7am - 9pm CT

  • Sun: 8am - 7pm CT

  • Closed Christmas Day

About Us

  • Who We Are

  • Investor Relations

  • Stewardship

  • Community

  • Military Support

  • Product Catalog

  • Tractor Supply Stores

  • .Pharmacy Verified Website

Work With Us

  • Careers

  • Sponsorship

  • Affiliate Program

  • Potential Vendor Partners

  • Vendor Information

  • Tractor Supply Media Network

Neighbor's Club

  • About

  • Rewards

  • Hometown Heroes

  • Frequently Asked Questions

  • Terms & Conditions

Credit Center

  • TSC Credit Card

  • Klarna

Stay Connected

Connect & Share with the Tractor Supply Community.

Tractor Supply App

Shop on the go with the Tractor Supply App

Learn More

Stay Connected

Connect & Share with the Tractor Supply Community.

Tractor Supply App

Shop on the go with the Tractor Supply App

Learn More
  • Order Status

  • Return Policy

  • Delivery Options

  • Tax Exemptions

  • Frequently Asked Questions

  • Contact Us

  • Recall Notices

  • Call:  (877) 718-6750

  • Mon - Sat: 7am - 9pm CT

  • Sun: 8am - 7pm CT

  • Closed Christmas Day

  • Who We Are

  • Investor Relations

  • Stewardship

  • Community

  • Military Support

  • Product Catalog

  • Tractor Supply Stores

  • .Pharmacy Verified Website

  • Careers

  • Sponsorship

  • Affiliate Program

  • Potential Vendor Partners

  • Vendor Information

  • Tractor Supply Media Network

  • About

  • Rewards

  • Hometown Heroes

  • Frequently Asked Questions

  • Terms & Conditions

  • TSC Credit Card

  • Klarna

Connect & Share with the Tractor Supply Community.

Shop on the go with the Tractor Supply App

Learn More
  • Privacy policy
  • Your Privacy Choices
  • Terms and Conditions
  • California Transparency Act
  • Legal Notices
  • Accessibility
  • Responsible Disclosure Statement
  • Surprise (Balance) Medical Billing Disclosure
  • Transparency in Coverage
  • Human Rights Policy
  • Vendor Code of Conduct
  • California Notice of Collection
  • Privacy Requests

© 2026, Tractor Supply Co. All Rights Reserved.