Fixing a leak under the hood doesn't have to mean an expensive trip to the mechanic. The stop leak compounds at Ace Hardware provide a practical way to seal small cracks and gaps in your vehicle's cooling system, engine or fuel tank to help prevent further damage.
Seal Radiator and Cooling System Leaks
Available options typically include liquid additives designed to seal leaks and prevent coolant loss in radiators, heater cores and various cooling system components. These solutions often provide a reliable fix for aluminum and other metal parts.
- Multi-purpose formulas for radiator leak repair and heater core sealing
- Liquid aluminum and metal-compatible sealants
- Stop leak concentrates in sizes typically ranging from 2.1 oz to 16.9 oz
These products are often used alongside other automotive hoses to keep your vehicle running smoothly.
Address Internal Engine and Gasket Leaks
When dealing with internal issues, specialized sealants may help repair leaks in head gaskets and general engine components. These solutions are formulated to handle the high temperatures and internal pressure found in modern engines.
- One-seal engine sealers for internal engine leak prevention
- Head gasket sealants in sizes such as 11 oz and 20 oz
Repairing internal engine components is a critical part of automotive care.
Stop and Prevent Engine Oil Leaks
For leaks originating from engine seals and gaskets, liquid oil stop leak additives can be an effective solution. These formulas are designed to condition seals and stop dripping without requiring a full teardown of the engine.
- Direct-pour formulas for convenient engine oil leak repair
- Multi-purpose additives in 8 oz containers for seal conditioning and gasket leak prevention
You can also find additional products that complement your regular fluids and lubrication maintenance routine.
Clean and Maintain the Cooling System
Maintaining your vehicle often requires more than just stopping a leak; it requires cleaning the system to prevent future issues. Chemical flush treatments are available to remove rust, scale and deposits that can cause overheating.
- Rust remover and flush formulas for pre-coolant maintenance
- Standard 32 oz containers for cooling system cleaning
These maintenance supplies are a key part of our broader auto tools and maintenance department.
Patch Cracks in Fuel Tanks
Cracked or leaking fuel tanks require specific repair kits designed for different materials. Look for repair kits like the following to suit your needs:
- Specialized plastic tank repair kits
- Aluminum and metal fuel tank repair kits for crack and leak sealing
Essential Automotive Supplies and Maintenance
Keeping your vehicle in top shape involves more than just sealing leaks. You might also need to check your windshield wiper blades or secure gear with tie-down straps and bungees for your next trip. Our automotive, RV and marine department offers a variety of solutions for your garage.
Can Stop Leak Products Fix a Blown Head Gasket?
While certain sealants are formulated for head gasket repair, they are typically designed for minor leaks and cracks. For major engine failures, a professional inspection is recommended.
Is a Cooling System Flush Necessary Before Using a Stop Leak?
Using a flush treatment may help remove rust and scale, which can improve the effectiveness of the stop leak compound by ensuring a cleaner surface for the sealant to bond.
Shop Stop Leak Compounds Near You at Ace Hardware
Ace makes it simple to get the supplies you need with easy online ordering for home delivery. You can also visit your neighborhood store to stop leak compounds near you, where you can speak with our knowledgeable associates and pick up your items today.
