10 Best Ac Leak Sealers

After analyzing products, scanning reviews, spending more than 36 hours of research and speaking with our test users, we think the A/C PRO MRL-3 R-134a Super Seal Air Conditioning Stop Leak is the one of the Best Ac Leak Sealer on the market.

# Image Name Brand Price
1 A/C PRO MRL-3 R-134a Super Seal Air Conditioning Stop Leak A/C PRO MRL-3 R-134a Super Seal Air Conditioning Stop Leak Kit - 3 oz.
(Editor’s Choice)
Interdynamics $$$$$ Check price
2 Refrigerant Leak Kit Refrigerant Leak Kit, 1-1/2 to 5 Tons Nu Calgon $$$$$ Check price
3 Leak Saver Direct Inject Refrigerant Leak Sealer Leak Saver Direct Inject Refrigerant Leak Sealer Leak Savers $$$$$ Check price
4 Nu Calgon 4050-08 EasySeal Direct Inject Nu Calgon 4050-08 EasySeal Direct Inject Nu Calgon $$$$$ Check price
5 TSI Supercool 27408 High Powered U/V Light with U/V Enhancing TSI Supercool 27408 High Powered U/V Light with U/V Enhancing Glasses in Clamshell
(Best value for the money)
TSI Supercool $$$$$ Check price
6 Cliplight Super Seal Total 972KIT Cliplight Super Seal Total 972KIT - Permanently Seals & Prevents Leaks in A/C & Refrigeration Systems - 1.5-5 TONS Cliplight $$$$$ Check price
7 TSI Supercool 22816 Yellow SAE Certified Super Dye TSI Supercool 22816 Yellow SAE Certified Super Dye, 8 oz (Treats 32-Vehicles - Self Measure Bottle) TSI Supercool $$$$$ Check price
8 FJC 9140 Stop Leak FJC 9140 Stop Leak - 3 Ounce FJC $$$$$ Check price
9 A/C PRO ACP-100 Professional Formula R-134a Ultra Synthetic Air Conditioning A/C PRO ACP-100 Professional Formula R-134a Ultra Synthetic Air Conditioning Refrigerant with Reusable Dispenser and Gauge - 20 oz. Interdynamics $$$$$ Check price
10 Red Angel A/C Stop Leak & Conditioner Red Angel A/C Stop Leak & Conditioner BlueDevil Products $$$$$ Check price

A/C PRO MRL-3 R-134a Super Seal Air Conditioning Stop Leak – Best Overall Ac Leak Sealer

A/C PRO MRL-3 R-134a Super Seal Air Conditioning Stop Leak
  • 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

Leak Saver Direct Inject Refrigerant Leak Sealer

Leak Saver Direct Inject Refrigerant Leak Sealer
  • Permanently seals refrigerant leaks and prevents future leaks; use with systems up to 5 tons
  • Safe for all Air Conditioner and Refrigeration systems, valves, and tools. Compatible with all types of refrigerants and oils
  • Injects easily and directly. No more pump downs, fussy syringes, or pressure sensitive cans
  • Designed and used by HVAC professionals, our formula has been proven through over a decade of research
  • Proudly MADE IN THE USA; high quality and most trusted leak stop

Nu Calgon 4050-08 EasySeal Direct Inject

Nu Calgon 4050-08 EasySeal Direct Inject
  • Concentrated formula means less material in system, Clear tube so you can see the sealant go in.
  • Perfect for split systems, heat pumps, microchannel coils, packaged units, and mini splits
  • No injection hose or caulk gun needed, One time use
  • No need to pump down R-410A units, Treats 1.5 to 5 tons

TSI Supercool 27408 High Powered U/V Light with U/V Enhancing – Best Budget Ac Leak Sealer

TSI Supercool 27408 High Powered U/V Light with U/V Enhancing
  • Ultraviolet light illuminates the dye used to detect Freon leaks
  • UV enhancing glasses further illuminate fluid leaks
  • Packaged in a retail-friendly clamshell
  • Ensures no leaks go undetected during vehicle A/C maintenance
  • Supercool offers one of the most complete A/C maintenance programs in the marketplace

Cliplight Super Seal Total 972KIT

Cliplight Super Seal Total 972KIT
  • MADE IN USA - America's Most Trusted AC/R Stop Leak.
  • SUPER SEAL + DRY R & FLASH - 3-in-1: Dries, Seals, + Dye.
  • 1.5-5 TONS - permanently seals & prevents leaks in all A/C & refrigeration systems
  • Includes DRY R to increase system efficiency & FLASH UV Dye to find leaks.
  • Professional HVACR use - compatible with all oils & refrigerants, hose included.

TSI Supercool 22816 Yellow SAE Certified Super Dye

TSI Supercool 22816 Yellow SAE Certified Super Dye
  • Features SAE Certification for R134a and HFO-1234yf A/C Systems, Safe for Hybrid and Electric A/C Systems
  • Detectable when Exposed to any U/V Light, Compatible With PAG, PAO, Ester, and Mineral Oils
  • Does Not Contain Solvents, Will Not Harm A/C Systems or Recovery Equipment
  • Anti-Wear Agents and Friction Modifiers Enhance Compressor and A/C System Efficiency While Reducing Compressor Wear Rates to Extend Compressor Life
  • Anti-Oxidants Protect System Against Formation of Sludge and Other Deposits Which Can Shorten Compressor Life and Reduce System Efficiency

FJC 9140 Stop Leak

FJC 9140 Stop Leak
  • Seals leaks in O-rings and gaskets
  • Sealers with O-ring conditioners
  • No UV light necessary to view the dye
  • Will not harm a/c system, refrigerant recovery or charging equipment

A/C PRO ACP-100 Professional Formula R-134a Ultra Synthetic Air Conditioning

A/C PRO ACP-100 Professional Formula R-134a Ultra Synthetic Air Conditioning
  • Number one rated coldest air
  • Contains moisture and acid eliminator
  • Reusable trigger dispenser with built in low pressure gauge and temperature dial indicator
  • Extra long 24 inch recharge hose for accessing hard to reach service ports
  • New easy coupler attaches simply by pushing on the port, (the item is non-returnable )
  • Special Shipping Information: This item cannot be returned and has additional shipping restrictions

Red Angel A/C Stop Leak & Conditioner

Red Angel A/C Stop Leak & Conditioner
  • Repairs leak points in condensers, evaporators, connection hoses, gaskets, and O-rings
  • Contains no solid or particulate matter that will clog the A/C system or harm the recovery unit 
  • Contains 2.5 ounces of Freon

Similiar Categories