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

1,697 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 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
3 A/C Pro Super Seal AC Stop Leak Kit with Dispensing Hose - 3 OZ A/C Pro Super Seal AC Stop Leak Kit with Dispensing Hose - 3 OZ 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 Generic R134a Leak Sealant, Pro Seal, Stop Leak w/ R134a Leak Detector Dye - 12 Cans, White, Green,... Generic R134a Leak Sealant, Pro Seal, Stop Leak w/ R134a Leak Detector Dye - 12 Cans, White,... No ratings yet
7 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
8 Supercool Aerosol A/C Leak Stop Seals, 4 Oz Supercool Aerosol A/C Leak Stop Seals, 4 Oz
9 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
10 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
11 Johnsen's (6312) R-134a A/C Refrigerant - 12 oz. Johnsen's (6312) R-134a A/C Refrigerant - 12 oz.
12 Refrigerant, 134A Plus Stop Leak, 12 oz. Refrigerant, 134A Plus Stop Leak, 12 oz. No ratings yet
13 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
14 Mr. Freeze r134a Refrigerant with Leak Sealer 14oz in Self Sealing Container (4 Pack) Mr. Freeze r134a Refrigerant with Leak Sealer 14oz in Self Sealing Container (4 Pack) No ratings yet
15 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
16 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
17 Mr. Freeze r134a Refrigerant with Leak Sealer 14oz in Self Sealing Container (2 Pack) Mr. Freeze r134a Refrigerant with Leak Sealer 14oz in Self Sealing Container (2 Pack) No ratings yet
18 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
19 IDQ R-134a Automotive Refrigerant With UV Leak Detector (12.3 ounces) IDQ R-134a Automotive Refrigerant With UV Leak Detector (12.3 ounces) No ratings yet
20 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

SaleBestseller No. 2
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
SaleBestseller No. 3
A/C Pro Super Seal AC Stop Leak Kit with Dispensing Hose - 3 OZ
  • UNABLE TO SHIP THIS ITEM TO CALIFORNIA and WASHINGTON
  • One A/C Pro Super Seal AC Stop Leak Kit includes a 3 oz can containing 1.5 oz of R-134a and 1.5 oz of additives, plus a dispensing hose
  • AC Seal kit has everything you need to fix current leaks and prevent future leaks in car air conditioners
  • AC seal kit includes a reusable dispensing hose designed to work only with R-134a cans with self-sealing valve tops
  • Repairs metal leaks in evaporators, condensers, compressors, accumulators and receiver dryers
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
Bestseller No. 6
Generic R134a Leak Sealant, Pro Seal, Stop Leak w/ R134a Leak Detector Dye - 12 Cans, White, Green,...
  • 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.
SaleBestseller No. 7
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. 8
Supercool Aerosol A/C Leak Stop Seals, 4 Oz
  • Auto & Truck Maintenance
  • Package Dimensions: 21 H x 18 L x 18 W (inches)
  • Package Weight: 6.7 pounds
  • Country of Origin : United States
SaleBestseller No. 9
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. 10
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...
SaleBestseller No. 12
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. 13
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. 14
Mr. Freeze r134a Refrigerant with Leak Sealer 14oz in Self Sealing Container (4 Pack)
  • GET COLD AIR IN MINUTES with this r134a car air conditioner revitalizer - Avoid the inconvenience, high costs, and loss of transportation of a repair...
  • WIRELESS DIGITAL MONITOR AND DISPLAY makes recharging your car simple and fast - You don't have to be an A/C pro to safely use our car air conditioner...
  • THE MR FREEZE DIFFERENCE - Mr. Freeze uses Accufill technology to measure the air temperature coming from your vents and not the pressure of your...
  • R134A RECHARGER, LUBRICANT, AND LEAK SEALER, ALL IN ONE – Mr. Freeze Air Conditioner Revitalizer contains R134A refrigerant. R134A gas is acceptable...
  • EPA COMPLIANT SELF SEALING CANS- Our product complies with Section 612 of the EPA Clean Air Act.
Bestseller No. 15
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
Bestseller No. 16
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. 17
Mr. Freeze r134a Refrigerant with Leak Sealer 14oz in Self Sealing Container (2 Pack)
  • GET COLD AIR IN MINUTES with this r134a car air conditioner revitalizer - Avoid the inconvenience, high costs, and loss of transportation of a repair...
  • WIRELESS DIGITAL MONITOR AND DISPLAY makes recharging your car simple and fast - You don't have to be an A/C pro to safely use our car air conditioner...
  • THE MR FREEZE DIFFERENCE - Mr. Freeze uses Accufill technology to measure the air temperature coming from your vents and not the pressure of your...
  • R134A RECHARGER, LUBRICANT, AND LEAK SEALER, ALL IN ONE – Mr. Freeze Air Conditioner Revitalizer contains R134A refrigerant. R134A gas is acceptable...
  • EPA COMPLIANT SELF SEALING CANS- Our product complies with Section 612 of the EPA Clean Air Act.
Bestseller No. 18
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...
Bestseller No. 19
IDQ R-134a Automotive Refrigerant With UV Leak Detector (12.3 ounces)
  • For factory installed and retrofitted R-134a automotive air conditioning systems
  • Contains single application of UV leak detection dye
  • Professional grade
  • Meets SAE J2297
  • Helps identify leaks in the system
Bestseller No. 20
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...
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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.