20 Best Super Tech R134a Stop Leak in 2024 Reviews and Buying Guide

2,366 Reviews Scanned

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1 FJC 9140- R134a Stop Leak w/ Red Leak Detection Dye for MVAC systems in a 3oz Self Sealing Container FJC 9140- R134a Stop Leak w/ Red Leak Detection Dye for MVAC systems in a 3oz Self Sealing Container
2 InterDynamics Car Air Conditioner, Certified A/C Pro Refrigerant Leak Stop Kit for R134A Car Air... InterDynamics Car Air Conditioner, Certified A/C Pro Refrigerant Leak Stop Kit for R134A Car Air... No ratings yet
3 TSI Supercool 27200 Total Leak Stop Syringe, 2 oz (Includes Quick Connect Installation Hose) TSI Supercool 27200 Total Leak Stop Syringe, 2 oz (Includes Quick Connect Installation Hose) No ratings yet
4 InterDynamics Certified A/C Pro Super Seal Car Air Conditioner Refrigerant Stop Leak Kit, Repairs... InterDynamics Certified A/C Pro Super Seal Car Air Conditioner Refrigerant Stop Leak Kit, Repairs... No ratings yet
5 TSI Supercool 39241B Total Leak Stop and U/V Dye, 1 oz (HFC Free BOV Can with R134a Adapter, Retail... TSI Supercool 39241B Total Leak Stop and U/V Dye, 1 oz (HFC Free BOV Can with R134a Adapter,... No ratings yet
6 Red Angel 00222 A/C Stop Leak & Conditioner - 4.5 Ounce Red Angel 00222 A/C Stop Leak & Conditioner - 4.5 Ounce No ratings yet
7 Leak Saver Direct Inject AC Leak Sealer Small System | AC Stop Leak for Most HVAC Systems Up to 1... Leak Saver Direct Inject AC Leak Sealer Small System | AC Stop Leak for Most HVAC Systems Up to 1... No ratings yet
8 Refrigerant, 134A Plus Stop Leak, 12 oz. Refrigerant, 134A Plus Stop Leak, 12 oz. No ratings yet
9 R134a Leak Sealant, Pro Seal, Stop Leak w/ R134a Leak Detector Dye - 12 Cans R134a Leak Sealant, Pro Seal, Stop Leak w/ R134a Leak Detector Dye - 12 Cans No ratings yet
10 Johnsen's (6312) R-134a A/C Refrigerant - 12 oz. Johnsen's (6312) R-134a A/C Refrigerant - 12 oz.
11 Supertech R-134a Refrigerant Automotive use in a 12oz Self-Sealing Container Supertech R-134a Refrigerant Automotive use in a 12oz Self-Sealing Container No ratings yet
12 AC Pro A/C Pro R-134a Extreme Conditions Premium Formula Refrigerant Recharge with Stop Leak for... AC Pro A/C Pro R-134a Extreme Conditions Premium Formula Refrigerant Recharge with Stop Leak for... No ratings yet
13 ZeroR EZ Chill R134a Refrigerant for MVAC in 10.25oz self Sealing can - Stop Leak and Dye All in one... ZeroR EZ Chill R134a Refrigerant for MVAC in 10.25oz self Sealing can - Stop Leak and Dye All in...
14 TRACERLINE TP2210CS Cool Seal Air Conditioner Leak Sealer Injector Kit - 1 oz Pre-Filled Leak Sealer... TRACERLINE TP2210CS Cool Seal Air Conditioner Leak Sealer Injector Kit - 1 oz Pre-Filled Leak... No ratings yet
15 LEAK SAVER Direct Inject Ultimate 3-in-1 | AC Refrigerant Leak Sealer | with UV Dye & Moisture... LEAK SAVER Direct Inject Ultimate 3-in-1 | AC Refrigerant Leak Sealer | with UV Dye & Moisture... No ratings yet
16 Leak Saver Direct Inject UV - Refrigerant Leak Sealer with Added UV Dye to Detect Large Leaks - for... Leak Saver Direct Inject UV - Refrigerant Leak Sealer with Added UV Dye to Detect Large Leaks -... No ratings yet
17 Interdynamics A/C Pro ACP-102 Ultra Synthetic A/C Recharge R-134a Car Refrigerant - 12 OZ Interdynamics A/C Pro ACP-102 Ultra Synthetic A/C Recharge R-134a Car Refrigerant - 12 OZ No ratings yet
18 TSI Supercool 28399 HVAC Leak Stop Syringe with Application Hose, 2 fl. oz. (60 mL) TSI Supercool 28399 HVAC Leak Stop Syringe with Application Hose, 2 fl. oz. (60 mL) No ratings yet
19 BlueDevil Products Red Angel 49496 A/C Stop Leak - 2 Ounce BlueDevil Products Red Angel 49496 A/C Stop Leak - 2 Ounce No ratings yet
20 Chemours Brand R134a Refrigerant Freon for MVAC use in a 12-Ounce Self-Sealing Container (3 Pack) Chemours Brand R134a Refrigerant Freon for MVAC use in a 12-Ounce Self-Sealing Container (3 Pack) No ratings yet

Bestseller No. 2
InterDynamics Car Air Conditioner, Certified A/C Pro Refrigerant Leak Stop Kit for R134A Car Air...
  • Seals metal leaks in condensers, evaporators, accumulators, receiver and driers
  • Seals rubber leaks in hoses O-rings and gaskets
  • Comes with recharge hose
  • Safe for all R-134a systems
  • Professional grade
Bestseller No. 3
TSI Supercool 27200 Total Leak Stop Syringe, 2 oz (Includes Quick Connect Installation Hose)
  • Total Leak Stop Plus U/V Dye stops small leaks in evaporators, condensers, rubber hose gaskets and O-rings
  • Compatible with R134a air conditioning Systems
  • Safe for use in Electric and Hybrid A/C systems
  • Contains U/V dye for leak detection
  • Does not contain polymers. Will not harm or clog A/C system components, reclamation or recovery machines.
Bestseller No. 4
InterDynamics Certified A/C Pro Super Seal Car Air Conditioner Refrigerant Stop Leak Kit, Repairs...
  • Seals metal leaks in condensers, evaporators, accumulators, receiver and driers
  • Seals rubber leaks in hoses, O-rings, gaskets
  • Safe for all R-134A systems and recovery equipment
  • Compatible with all lubricants
  • Comes with recharge hose
Bestseller No. 5
TSI Supercool 39241B Total Leak Stop and U/V Dye, 1 oz (HFC Free BOV Can with R134a Adapter, Retail...
  • Engineered To Stop Small Leaks in Evaporators, Condensers, Hoses, Gaskets, and Seals
  • Features a Formula that Does Not Contain Polymers so it Will Not Harm or Clog AC System Components, Reclamation Or Recovery Machines
  • Offers a Simple 1-Can Treats 1-Vehicle Option
  • Features Patented Technology HFC-FREE Aerosol US Patent No. 8,047,009. Foreign Patents Pending
  • Engineered to Supercool' s Highest Standards
SaleBestseller No. 6
Red Angel 00222 A/C Stop Leak & Conditioner - 4.5 Ounce
  • Guaranteed Permanent Seal
  • Will Not Clog or Damage the A/C System or Recovery Unit
  • GUARANTEED PERMANENT SEAL
  • Now with UV Dye for leak detection
Bestseller No. 7
Leak Saver Direct Inject AC Leak Sealer Small System | AC Stop Leak for Most HVAC Systems Up to 1...
  • STOP LEAKS PERMANENTLY - The Leak Saver can permanently seal small refrigerant leaks where the complete refrigerant charge is not lost within 7 days....
  • WORKS WITH ALL SYSTEMS INCLUDING CARS - Our product is compatible with all systems, refrigerants (except ammonia), car refrigerants, and oils. It is...
  • STRAIGHTFORWARD INSTALLATION - No more fussing with messy syringes, hoses, or pressurized cans. The Leak Saver HVAC sealant injects directly and...
  • SAFE FOR ALL TOOLS AND PARTS - Our HVAC leak sealer is safe for all manifold gauges, hoses, expansion valves (TXVs, TEVs, capillary tubes, etc),...
  • THE MOST TRUSTED - The numbers don’t lie! With more than 4,000,000 units sold of our air conditioner leak sealer formula since 2015, we are the most...
SaleBestseller No. 8
Refrigerant, 134A Plus Stop Leak, 12 oz.
  • Price For: Each Includes: Stop Leak Application: Automotive Applications Container Type: Can Container Size: 12 oz....
Bestseller No. 9
R134a Leak Sealant, Pro Seal, Stop Leak w/ R134a Leak Detector Dye - 12 Cans
  • Quickly finds and seals AC system leaks (30-35 minutes)
  • Permanent Seal: Forms a lasting seal on various components.
  • Seals leaks in metal surfaces, schrader valves, O-rings, gaskets, condensers, evaporators, line sets, and solder joints.
  • Will NOT "Clog up" or corrode system. Any left over sealant will stay in the system safely and seal future leaks.
  • Suitable for automotive, campers, and more.Versatile Applications: Suitable for automotive, campers, and more.
Bestseller No. 11
Supertech R-134a Refrigerant Automotive use in a 12oz Self-Sealing Container
  • USA Made - All R134a is brand new and made in the USA to the highest purity standards. This can be used to recharge 100% of R134a air conditioning...
  • NEW GAS - SuperTech gas is brand new and never reclaimed or recycled. We purchase our R134a multiple times per year ensuring you get fresh made...
  • SSV CANS - Our cans are equipped with the 50 State compliant self-sealing valve design. You can store partially used R134a cans. Note, older can taps...
  • Complies with Section 612 of the EPA Clean Air Act
  • Returns: This item is considered a HazMat Material and as such is not returnable. It requires hazmat certification to ship. Amazon does not supply a...
Bestseller No. 12
AC Pro A/C Pro R-134a Extreme Conditions Premium Formula Refrigerant Recharge with Stop Leak for...
  • This is for MVAC use and comes in 12-Ounce Self-Sealing Container.
  • This echarge refill protects against extreme temperatures and high use.
  • It is formulated with 2 times the cooling boosters compared the next leading brand.
  • Revives rubber components and helps to protect and extend the life of your vehicles AC system.
Bestseller No. 13
ZeroR EZ Chill R134a Refrigerant for MVAC in 10.25oz self Sealing can - Stop Leak and Dye All in one...
  • Complies with Section 612 of the EPA Clean Air Act
  • All-in-one solution – no additional tools required
  • Replaces lost R-134a refrigerant and oil in automotive A/C system
  • System-safe leak sealer additive seals common A/C leaks in rubber hoses, gaskets and O-rings
Bestseller No. 14
TRACERLINE TP2210CS Cool Seal Air Conditioner Leak Sealer Injector Kit - 1 oz Pre-Filled Leak Sealer...
  • OEM-GRADE AUTOMOTIVE LEAK DETECTION - The TRACERLINE brand from TRACER PRODUCTS is the most trusted name in automotive leak detection. Major OEMs...
  • PRODUCT DETAILS - Easy to use, Includes prefilled, disposable syringe, R-134a hose/coupler with check valve and adapter/purge fitting, Services 1...
  • STOP AC LEAKS - CoolSeal AC Leak Sealer is a unique additive that seals slow, pesky leaks in compressors, condensers, evaporators, accumulators,...
  • SYSTEM COMPATIBLE - The non-polymer, oil-soluble formula is safe for A/C system components and recovery equipment and is compatible with all popular...
  • MADE IN THE USA - Proudly manufactured in the U.S.A., Tracer Products has over 65 years of experience delivering award-winning professional service...
Bestseller No. 15
LEAK SAVER Direct Inject Ultimate 3-in-1 | AC Refrigerant Leak Sealer | with UV Dye & Moisture...
  • 3-IN-1 SEALANT + MOISTURE REMOVER + UV DYE – Our proven leak sealant now includes moisture remover and UV dye for the complete system treatment!...
  • STOP LEAKS PERMANENTLY - The Leak Saver can permanently seal refrigerant leaks where the complete refrigerant charge is not lost within 7 days. When a...
  • WORKS WITH ALL SYSTEMS & REFRIGERANTS INCLUDING CARS - Our product is compatible with all systems, refrigerants (except ammonia), car refrigerants,...
  • STRAIGHTFORWARD INSTALLATION - No more fussing with messy syringes, hoses, or pressurized cans. The Leak Saver HVAC sealant injects directly and...
  • SAFE FOR ALL TOOLS AND PARTS - Our HVAC leak sealer is safe for all manifold gauges, hoses, expansion valves (TXVs, TEVs, capillary tubes, etc),...
Bestseller No. 16
Leak Saver Direct Inject UV - Refrigerant Leak Sealer with Added UV Dye to Detect Large Leaks - for...
  • THE EASIEST INJECTION METHOD: No more fussing with messy syringes, hoses, or pressurized cans. The Leak Saver injects directly and easily into the...
  • MORE THAN 3 MILLION UNITS SOLD SINCE 2015: The Leak Saver can permanently seal small refrigerant leaks where the complete refrigerant charge is not...
  • WITH ADDED UV DYE FOR FINDING LARGE LEAKS: Seal it or find it! If you have a leak that is simply too large for leak sealants to seal, the added UV Dye...
  • COMPATIBLE WITH ALL SYSTEMS AND REFRIGERANTS: : The Leak Saver UV is compatible with all systems, refrigerants (except ammonia), and oils. It is great...
  • YOUR SATISFACTION IS OUR PRIORITY: We stand behind the effectiveness 100%. If for any reason you are not satisfied with your product, please contact...
Bestseller No. 17
Interdynamics A/C Pro ACP-102 Ultra Synthetic A/C Recharge R-134a Car Refrigerant - 12 OZ
  • Replaces lost R-134a refrigerant and oil in automotive A/C system
  • System safe stop leak sealer stops most common A/C leaks with hoses, gaskets and O-Rings
  • Special anti-wear additives extend system life and improve performance
  • Contains R-134a gas which is acceptable for use in motor vehicle A/C (MVAC) systems
  • Complies with Section 612 of the EPA Clean Air Act, EPA Compliant in Self Sealing Cans
SaleBestseller No. 18
TSI Supercool 28399 HVAC Leak Stop Syringe with Application Hose, 2 fl. oz. (60 mL)
  • 2-Ounce Syringe Treats Up to 6 Ton Units.Fit Type: Universal Fit
  • Permanently Seals Leaks in A/C and Refrigeration Systems
  • Does Not Contain Polymers, Will Not Harm A/C System Or Components
  • Additive Package Protects Against Future Corrosion
  • Compatible with All Lubricants and Refrigerants
Bestseller No. 19
BlueDevil Products Red Angel 49496 A/C Stop Leak - 2 Ounce
  • Remarkable ability to repair and seal leaks in condensers, evaporators, connection hoses, gaskets, and O-rings
  • Contains no solid or particulate matter that will clog the A/C system, or harm a recovery unit
  • Forms a chemical weld sealing leaks in both R-12 or R-134a systems
  • Safe to use and best of all — it’s a permanent seal
  • Guaranteed
.

FAQ:

Q: What is R134a Stop Leak refrigerant?

A: Super Tech’s R-134a Stop Leak Refrigerant helps prevent further loss of refrigerant and seals rubber leaks in o-rings, hoses and gaskets. Net Weight: 3 oz. (85 G).

Q: How do you use Super Seal on air conditioning?

A: Super Seal is the fast, easy, inexpensive way to seal small A/C leaks yourself. A single can seals leaks in both the metal and rubber components of the air conditioning system, without the expense of replacing parts. Using Super Seal is simple: 1. Locate the low-pressure port on your car A/C system.

Q: Are R134a and AutoZone 12oz cans the same weight?

A: Bought 5 12oz cans also had a 12oz can from autozone. the two clearly are not the same weight. but even a little short on weight it is 1/2 the price of normal R134A so all in all 3 stars. Helpful? Get specific details about this product from customers who own it.