
RED TEK
RED TEK LeakStop12 A/C Seal Treatment (4 oz. can)
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Check Price on AmazonHighlights
- Operation: Easy to use. Installs in minutes. Seals in seconds.
- Lower Cost: Less expensive than replacing leaking o-ring and rubber seals. Saves time and money.
- Compatibility: Compatible with most common refrigeration materials and lubricants including R134a, R12, metal components, mineral and synthetic(Ester and PAG) lubricants, seals, gaskets, hoses, compressors, and o-rings.
- Environment: Helps environment by reducing refrigerant emissions.
- Safety: Safe and easy to use. Less toxic than other seal treatments that contain poisonous methanol.
- IMPORTANT INFORMATION: This product cannot be returned because it uses flammable liquids and gases, is classified as a hazardous material, or meets other criteria. This is a non refundable, non returnable product.
Why You'll Love It
- Quick installation process installs in minutes and seals leaks in seconds
- Costs less than manually replacing worn rubber seals and leaking o-rings
- Works safely with R134a, R12, metal parts, and standard refrigeration lubricants
- Formula excludes poisonous methanol for a less toxic sealing solution
- Helps protect the environment by actively cutting down on refrigerant emissions
Pros
- +Installs in minutes and seals quickly
- +Broad compatibility with R134a and R12 systems
- +Free of poisonous methanol
- +Cheaper alternative to replacing seals manually
Cons
- -Non-returnable and non-refundable due to hazardous material classification
- -Contains flammable liquids and gases
Detailed Review
RED TEK LeakStop12 is an air conditioning seal treatment formulated to fix leaks in rubber seals and o-rings without requiring costly component replacements. Packaged in a 4 oz. can, it is designed for vehicle owners and technicians seeking a quick, low-cost solution to address leaking A/C systems.
The formula offers broad compatibility across common automotive air conditioning setups. It works with R134a and R12 refrigerants, metal components, gaskets, hoses, compressors, and both mineral and synthetic lubricants such as Ester and PAG. The product is also engineered without poisonous methanol, making it a less toxic option that helps reduce environmental refrigerant emissions while installing in minutes and sealing in seconds.
A notable trade-off is the purchase policy. Because it contains flammable liquids and gases and is classified as a hazardous material, this item is strictly non-returnable and non-refundable once purchased. The listing also does not detail whether specific installation adapters or charging hoses are included in the package.
Verdict: RED TEK LeakStop12 is a fast and cost-effective fix for small refrigerant leaks across a wide range of standard A/C systems. It is an ideal pick if you want to revive your system seals without tearing down components, provided you are confident it fits your specific setup before ordering.
Who Should Buy It
A great fit if you:
- Need to seal leaking o-rings or rubber components in an R134a or R12 system
- Want an affordable alternative to physical part replacement that installs rapidly
- Prefer a seal treatment formulated without poisonous methanol
Consider something else if you:
- Require a purchase that includes standard return or refund protections
- Are uncomfortable handling products that contain flammable materials
FAQ
What refrigerants and oils is this treatment compatible with?
It is compatible with R134a and R12 refrigerants, as well as mineral and synthetic lubricants including Ester and PAG oils.
Does this product contain poisonous methanol?
No, it is formulated without poisonous methanol, making it less toxic than seal treatments that rely on that ingredient.
Can I return this product if I do not use it?
No, this is a non-returnable and non-refundable item because it contains flammable liquids and gases and is classified as a hazardous material.
Product Details
| Brand | RED TEK |
| ASIN | B00DJDYR7C |






