AC Leak Inspection, Detection & Stop

Explore our selection of A/C leak inspection, detection, and stop solutions designed for accurate diagnosis and repair of automotive air conditioning systems. This collection includes UV dye injectors, leak detectors, fluorescent tracer dyes, stop leak additives, and sealant kits for use with R-134a and R-1234yf refrigerant systems. Ideal for technicians and fleet maintenance crews, these tools and chemicals help ensure fast, OEM-grade leak identification and system restoration.

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  • WELDIT # WS-1P Radiator Cooling System Stop Leak Sealer - 20 Gram Each - 24 Vials / Sleeve

    WS-1P Radiator Stop Leak Sealer - 20g Tube - 24 Vials per Sleeve - Made in the USA

    WS-1P Radiator Stop Leak Sealer is formulated to quickly locate and seal leaks in radiators, heater cores, cylinder...

    $18.49 USD
    $18.49 USD
  • Kwik Seal AC STOP LEAK w/ Conditioners 2 oz.

    Kwik Seal AC STOP LEAK w/ Conditioners 2 oz - 1 to 6 Pack

    9160 Kwik Seal (leak sealant) 2 ozPRODUCT OVERVIEW:FJC’s signature blends High-Performance A/C AdditiveCompatible with all ester and PAG...

    $25.95 USD
    $25.95 USD
  • Ester Oil plus U/V Dye , 8 oz

    Ester Oil plus U/V Dye , 8 oz

    Ester Oil plus U/V Dye , 8 oz

    $6.46 USD
    $6.46 USD
  • Professional Anti-Freeze & Coolant Tester Radiator Water Test Check Measure

    Professional Anti-Freeze & Coolant Tester Radiator Water Test Check Measure

    Professional Anti-Freeze & Coolant Tester Prevent Winter Freezing and Summer Overheating

    $3.75 USD
    $3.75 USD
  • R-134a / R12 Oil & Dye Injector (2oz capacity)

    R-134a / R12 Oil & Dye Injector (2oz capacity)

    R-134a / R12 Oil & Dye Injector (2oz capacity)

    $57.38 USD
    $57.38 USD
  • R134a Dye Charge- A/C Florescent Leak Detection Dye, 4oz

    R134a A/C Leak Detection Dye - Fluorescent UV Charge - 4 oz

    This R134a fluorescent leak detection dye is designed to pinpoint A/C system leaks with high visibility under UV...

    $12.49 USD
    $12.49 USD
  • Ester Oil plus U/V Dye, 32 oz

    Ester Oil plus U/V Dye, 32 oz

    Ester Oil plus U/V Dye, 32 oz

    $16.95 USD
    $16.95 USD
  • Stay-Brite BSL-719006 Coolant System Leak Detection Dye 6 PK 0.25 fl oz bottles

    Stay-Brite BSL-719006 Coolant System Leak Detection Dye 6 PK 0.25 fl oz bottles

    6 Pack of 1/4 oz. Bottles of Coolant OEM Stay-Brite Super-Concentrate Dye Stay-Brite coolant dyes will still fluoresce...

    $9.95 USD
    $9.95 USD
  • K-Seal ST5501 Multi Purpose One Step Permanent Coolant Leak Repair

    K-Seal ST5501 Multi Purpose One Step Permanent Coolant Leak Repair - 1 or 6 Pack

    This permanent coolant leak repair formula seals cracks and holes throughout the engine’s cooling system. It’s compatible with...

    $21.49 USD
    $21.49 USD
  • PAG 46 Oil, 8 oz

    PAG 46 Oil, 8 oz

    PAG 46 Viscosity, 8 oz

    $6.65 USD
    $6.65 USD
  • Kwik Seal (leak sealant) with Conditioners - 8 oz

    Kwik Seal (leak sealant) with Conditioners - 8 oz

    Kwik Seal (leak sealant) with Conditioners - 8 oz

    $62.55 USD
    $62.55 USD
  • FJC Flush Gun with Flow Control Valve & Turbulent Flow Spray Head Air Compressor Adapter Kit

    FJC Flush Gun with Flow Control Valve & Turbulent Flow Spray Head Air Compressor Adapter Kit

    FJC Flush Gun with Flow Control Valve & Turbulent Flow Spray Head Air Compressor Adapter Kit FJC Flush...

    $89.59 USD
    $89.59 USD
  • Genetron R134a+ UV with UV Leak Check Formula, 12 oz.

    Genetron R134a+ UV with UV Leak Check Formula, 12 oz.

    Genetron R134a+ UV with UV Leak Check Formula, 12 oz.

    $40.99 USD
    $40.99 USD
  • SuperCool Seal Leak Stop with UV Leak Detection Dye 4 oz.

    SuperCool Seal Leak Stop with UV Leak Detection Dye 4 oz.

    SuperCool Seal Leak Stop with UV Leak Detection Dye 4 oz.

    $17.49 USD
    $17.49 USD
  • Pack of 10 A/C System Guard Aeroquip Vehicle Service Fitting Sleeve Kit

    Pack of 10 A/C System Guard Aeroquip Vehicle Service Fitting Sleeve Kit

    Pack of 10 A/C System Guard Aeroquip Vehicle Service Fitting Sleeve Kit

    $9.95 USD
    $9.95 USD
  • UV 9 LED Ultra Violet Inspection Light Flashlight Blacklight Lamp Torch

    UV 9 LED Ultra Violet Inspection Light Flashlight Blacklight Lamp Torch

    UV 9 LED Ultra Violet Inspection Light Flashlight Blacklight Lamp Torch

    $18.75 USD
    $18.75 USD
  • Total Leak Stop + U/V Dye 2 oz. bottle

    Total Leak Stop + U/V Dye 2 oz. bottle

    Total Leak Stop + U/V Dye 2 oz. bottle

    $37.50 USD
    $37.50 USD
  • PAG Oil 100 w/Dye - gallon

    PAG Oil 100 w/Dye - gallon

    PAG Oil 100 w/Dye - gallon

    $101.99 USD
    $101.99 USD
  • Extreme Klean A/C Flush, 1 Quart

    Extreme Klean A/C Flush, 1 Quart

    Extreme Klean A/C Flush Quart

    $16.50 USD
    $16.50 USD
  • PAG 46 plus U/V Dye, 8 oz

    PAG 46 plus U/V Dye, 8 oz

    PAG 46 Viscosity plus U/V Dye, 8 oz

    $7.13 USD
    $7.13 USD
  • UV Dye Cleaner for Auto AC Service - 12 oz.

    UV Dye Cleaner for Auto AC Service - 12 oz.

    UV Dye Cleaner for Auto AC Service - 12 oz.

    $7.95 USD
    $7.95 USD
  • R-134a Oil Charge plus U/V Dye, 4 oz

    R-134a Oil Charge plus U/V Dye, 4 oz

    Oil Charge plus U/V Dye, 4 oz. U/V Leak detector dye, 2oz Ester Oil charge and O-ring Conditioner...

    $15.49 USD
    $15.49 USD
  • PAG 150 Oil, 8 oz

    PAG 150 Oil, 8 oz

    PAG 150 Viscosity, 8 oz

    $6.65 USD
    $6.65 USD
  • Tracer Dye-Lite Leak Detector Tracer Dye Fuel - 1 fl oz.

    Tracer Dye-Lite Leak Detector Tracer Dye Fuel - 1 fl oz.

    Tracer Dye-Lite Leak Detector Tracer Dye Fuel - 1 fl oz.

    $1.00 USD
    $1.00 USD