1
High-intensity UV flashlight for accurate leak detection.
Includes protective glasses for safe operation.
Brighter than competitors, 40% more light output.
Compatible with all UV refrigerant leak dyes.
Durable, military-grade aluminum construction.
Long battery life, up to 20 hours of usage.
Great for various applications beyond automotive leaks.
Average Rating out of 5:
Price Range: $19.96
2
Detects leaks in R-12 and R-134a systems.
1 oz. bottle for multiple applications.
Compatible with all refrigerant oils.
Meets industry standard SAE J2297.
Easy-to-use UV dye for precise detection.
Ideal for professional and DIY use.
Enhances A/C system efficiency and reliability.
Average Rating out of 5:
Price Range: $7.99
Color: 8 positive
3
Professional AC leak detection tool for vehicles.
68 high-quality LED beads for accurate leak detection.
40% brighter UV light than other flashlights.
Includes premium UV filter glasses for eye protection.
Compatible with various UV dye leak detection.
Ultra-compact and durable aluminum design.
Friendly customer support for any inquiries.
Average Rating out of 5:
Price Range: $19.97
Color: 4 positive
4
Upgraded version of WJL-6000 model.
Fast detection of various refrigerants.
6 adjustable sensitivity settings for accuracy.
Flexible 8.26-inch probe for hard-to-reach areas.
Audible and visual leakage alarm indicators.
24/7 US Technician support via email and phone.
Powered by 4 AAA batteries (not included).
Average Rating out of 5:
Price Range: $23.00
Material: Plastic
5
Permanent seal for A/C leaks.
UV dye included for easy leak detection.
Safe for all A/C systems and recovery units.
Quick and easy application process.
Prevents future leaks and system damage.
Compact 4.5 oz size for convenience.
Highly effective and reliable performance.
Average Rating out of 5:
Price Range: $34.90
Material: Clog-free and Harmless to Recovery Unit
6
Easiest injection method without messy syringes.
Seals small refrigerant leaks permanently.
Includes UV dye for detecting large leaks.
Compatible with all refrigerants and systems.
Over 3 million units sold since 2015.
Ideal for automotive and HVAC applications.
Satisfaction guaranteed or your money back.
Average Rating out of 5:
Price Range: $36.95
7
Ultra-sensitive infrared leak detection technology.
Detects leaks under 0.03 oz/yr.
Compatible with all refrigerants types.
Durable, IP54 rated for moisture and oil.
10-year sensor life for reliable performance.
Backlit LCD displays size and intensity clearly.
Flexible 17-inch probe for hard-to-reach areas.
Long-lasting USB-C battery lasts over 10 hours.
Average Rating out of 5:
Price Range: $521.90
Color: Yellow, Black
8
Professional AC leak detection tool for precise repairs.
High-intensity 21 LED flashlight for quick leak pinpointing.
Compact military grade aluminum design for portability.
Includes UV protective glasses for eye safety.
Wide application for various leak detection needs.
Comes with portable bag for easy storage.
1-year warranty and friendly customer service included.
Average Rating out of 5:
Price Range: $14.99
9
Detects A/C leaks quickly and effectively.
Bright green dye for easy visibility.
8oz bottle, perfect for multiple uses.
Compatible with all vehicle types.
Made in the USA for quality assurance.
Universal fit for effortless application.
Essential for auto and truck maintenance.
Average Rating out of 5:
Price Range: $22.09
10
Sensitivity of 0.25 oz./year for precision detection.
Detects all refrigerants: CFCs, HCFCs, HFCs, HFOs.
A2L Certified for safe operation with low flammability.
Proven heated diode sensor ensures reliable leak detection.
Sensor life lasts up to 100 hours of use.
No false alarms from soap solution tests.
Automatic background adjustment for accurate readings.
Powered by two D-cell alkaline batteries.
Average Rating out of 5:
Price Range: $232.99
11
Advanced formula for accurate leak detection.
Detects refrigerant gases, air, and oxygen leaks.
Thick formula suitable for varying temperatures.
Biodegradable, environmentally friendly composition.
Safe for metal surfaces; no corrosion.
Compatible with plastic and rubber materials.
Convenient 32 oz size with trigger sprayer.
Average Rating out of 5:
Price Range: $17.60
Size: No Size
Material: Plastic
12
Professional-grade UV leak detection dye.
Compatible with all vehicle makes and models.
Safe for use in most cooling systems.
Helps identify leaks in radiators and engines.
One application per package for convenience.
Not compatible with 1996+ GM DEX-COOL.
Works with all antifreeze types, excluding DEX-COOL.
Average Rating out of 5:
Price Range: $9.81
Material: Plastic, Metal
13
Fast and efficient cooling system refills. Prevents airlocks and overheating issues. Vacuum leak detection for precise repairs. Compatible with cars, trucks, and off-road vehicles. OEM-certified for reliable performance. Made in the USA with quality assurance. Includes a 1-year warranty for peace of mind.
Average Rating out of 5:
Price Range: $145.50
14
NSF certified for food safety.
Non-corrosive formula for versatile use.
Detects micro leaks as small as 0.65 oz/year.
Effective for any type of gas detection.
Easy application for convenient leak detection.
1 Quart size for multiple uses.
Reliable performance in various environments.
Average Rating out of 5:
Price Range: $23.99
15
Quickly identifies cooling system leaks.
Compatible with any U/V light.
Water-based, safe for vehicle use.
8-ounce self-measure bottle.
Use 1-ounce per vehicle.
Vibrant purple color for easy visibility.
Effective for water-cooled engines.
Average Rating out of 5:
Price Range: $17.09
16
Powerful 1/3 HP vacuum pump for efficient operation.
Includes 4-way manifold gauge for accurate monitoring.
Leak detector ensures reliable refrigerant management.
Durable, ergonomic design for user comfort.
Color-coded hoses for easy identification and use.
Compatible with multiple refrigerants for versatility.
Includes carrying case for convenient transport.
Average Rating out of 5:
Price Range: $159.99
17
Fast-acting formulation for quick leak detection.
Fluorescent blue color for easy visibility.
Detects high and low-temperature leaks effectively.
Safe, non-toxic, and environmentally friendly solution.
Works on various gases including CO2 and nitrogen.
Long-lasting coating for easy leak identification.
Reliable performance even in cold temperatures.
Average Rating out of 5:
Price Range: $18.49
Color: Blue
18
2-in-1 tool for A/C and stain detection.
High-intensity UV flashlight for effective leak detection.
Durable aluminum construction with anti-abrasive coating.
Waterproof and dustproof with IP44 rating.
Long-lasting battery life up to 20 hours.
Includes UV protective glasses for eye safety.
Non-slip grip for comfortable handling and use.
Average Rating out of 5:
Price Range: $19.99
19
Compatible with 1234YF automotive refrigeration systems. Dye glows under black light for easy leak detection. Cost-effective solution for HVAC system maintenance. Includes simple charging hose for convenient use. Equipped with 134a top for easy connection. Ideal for DIYers and professionals alike. Enhances visibility of leaks with naked eye.
Price Range: $26.75
20
Accurate dual-chamber design for reliable results.
Compatible with gasoline and diesel engines.
Fast and cost-effective combustion leak detection.
Color-changing fluid indicates combustion leak presence.
Includes tester fluid and clear instructions.
Enhances engine health with swift diagnostics.
Ideal for head gasket and engine block leaks.
Average Rating out of 5:
Price Range: $63.84
Color: 8 positive
21
Fluorescent leak detection for accurate results.
Eco-friendly, non-toxic and safe for health.
Includes fluorescent oil for effective leak tracing.
Comes with a leak detection flashlight.
Protective glasses enhance visibility during detection.
Simple to use for quick leak identification.
Durable tools for long-term automotive care.
Average Rating out of 5:
Price Range: $9.99
22
Identifies leaks in R-1234yf A/C systems.
1 oz. bottle for convenient use.
Glows under UV light for easy detection.
Compatible with standard A/C system lubricants.
Meets industry SAE requirements for safety.
Essential for professional and DIY A/C repairs.
UV flashlight required for effective leak detection.
Average Rating out of 5:
Price Range: $14.99
23
Four sensitivity settings for precise detection.
Automatic and manual zeroing options available.
Detects all refrigerants including A2L blends.
Durable carrying case included for protection.
User-friendly interface for quick operation.
Compact design for easy portability and storage.
Ideal for HVAC professionals and technicians.
Average Rating out of 5:
Price Range: $544.47
Color: grey and blue
Material: Lithium
24
Bright UV dye for effective leak detection.
Compatible with oil, fuel, and ATF systems.
Fluoresces bright yellow/green for easy visibility.
Services up to 8 vehicles per bottle.
Works with all leak detection flashlights.
Pinpoints even the smallest, hard-to-find leaks.
Proudly made in the USA with quality assurance.
Average Rating out of 5:
Price Range: $39.79
Material: Oil-Based
25
Detects combustion leaks in diesel engines.
Works with Lisle 75500 combustion leak detector.
Indicates leaks by changing fluid color.
Fluid changes from red to yellow.
Detects diesel combustion gases in the radiator.
Contains 16 fluid ounces of detector fluid.
Easy to use for quick leak detection.
Average Rating out of 5:
Price Range: $9.99
Color: 3 positive
26
Handheld design for easy draft detection.
Includes fog fluid for immediate use.
Durable, pocket-sized construction resists damage.
Locking trigger for safe storage.
Ideal for HVAC, contractors, and auto mechanics.
Shows air currents effectively with smoke.
Quickly identify leaks in various environments.
Average Rating out of 5:
Price Range: $35.99
27
Quickly identify turbocharger and system leaks.
Includes 4 pairs of stepped adapters.
Adapters fit hoses from 1-3/8" to 3-1/2".
Complete kit with necessary testing accessories included.
Easy to use with secure adapter fit.
Durable materials ensure long-lasting performance.
Convenient carrying case for organization and storage.
Average Rating out of 5:
Price Range: $69.99
28
High-intensity UV flashlight for accurate leak detection.
Includes UV protective glasses for safety.
40% brighter than standard leak detection tools.
Works with all UV leak detection dyes.
Durable aluminum construction, impact resistant design.
Long battery life, up to 20 hours of use.
Perfect for automotive, HVAC, and forensic applications.
Average Rating out of 5:
Price Range: $18.99
