Best UV Leak Detection Dyes

1. A/C Pro Certified Auto Pro Oil and Fuel System UV Dye Leak Detection for Cars & Trucks & More, 1 Oz, 374CS, Universal

A/C Pro Certified Auto Pro Oil and Fuel System UV Dye Leak Detection is a powerful tool for finding leaks in your vehicle. It works with cars, trucks, and more.

Use it in engine oil, transmissions, power steering, and fuel systems. It’s compatible with all petroleum-based lubricants. One simple application does the job.

This professional-grade product helps locate leaks fast. It’s easy to use and highly effective. Trust it for reliable results.

2. Lichamp AC Leak Detector Kit Automotive, UV Oil Dye Leak Detection Kit Includes AC UV Light and Protective Glasses, LA01

The Lichamp AC Leak Detector Kit is a 2-in-1 tool for finding leaks. It works on car air conditioners and spots hidden stains like pet urine. This kit makes leak detection quick and easy.

The UV flashlight has 100 LED lights and shines at 385-395 nm. It works well indoors and outdoors. The light is strong and covers a wide area.

The kit includes UV protective glasses to shield your eyes. The flashlight is durable and waterproof. It runs for up to 20 hours on 6 AA batteries (not included).

3. TSI Supercool Synthetic U/V Leak Detection Dye, 1 oz, 1 Application

Find leaks fast with this powerful U/V dye. It is simple to use and easy to spot.

This dye shows leaks right away. It works with any U/V light. It uses one ounce per vehicle.

The formula meets Supercool’s top standards. It helps you see small leaks with ease. It keeps your cooling system safe.

4. Pool Leak Detection Dye Kit – with 2 Precision Applicators – 75+ Tests – Superior Long Lasting UV Pool Dye Easily Locates Leaks – for All Pool, Spa, & Hot Tub Types – 8 OZ (Fluorescent Yellow)

Stop pool leaks fast with this easy-to-use dye kit. It comes with 2 precision applicators and 75+ tests. The UV dye glows brightly to show leaks clearly.

The 4-piece applicator kit helps test any pool area. Use the straight or angled tip for tight spots. It works with all pool types and is safe for families.

Just fill the applicator and dispense near suspected leaks. The dye flows toward leaks, making them easy to spot. Trust this American-owned brand for reliable results.

5. LEAKFINDER LF2008 Automotive Oil-Based Fluid Leak Detection Dye for Oil, Fuel, ATF, and Power Steering Systems, 8oz Ultraviolet Fluorescent Dye, Twin-Neck Bottle, Services up to 8 Vehicles

The LEAKFINDER LF2008 is a professional-grade dye that quickly finds leaks in your car’s systems. It works for oil, fuel, ATF, and power steering. The fluorescent dye glows under UV light, making even tiny leaks easy to spot.

Each 8oz bottle can service up to 8 vehicles. The twin-neck design ensures clean, no-mess application. Made in the USA, this dye is reliable and easy to use.

6. Yesibeike Oil-Based UV Leak Detection Dye 150 ml, for Dirty Engine Oil, Precision Nozzle, Works with Engine Oil, ATF, Fuel & Hydraulic Systems, Low Odor, Tamper-Evident Foil Seal

Yesibeike Oil-Based UV Leak Detection Dye helps find leaks in dirty engine oil. It works with UV flashlights to spot leaks clearly. The 150ml bottle covers multiple uses.

The precision nozzle keeps the job clean and prevents drips. It’s safe for oil-based systems like engines and transmissions. The low odor makes it easy to use.

Shake the bottle before use to mix the dye. The tamper-evident seal ensures it arrives unopened.

7. Yesibeike Automotive UV Leak Detector Dye Kit, 150ml High Visibility Tracer for Radiator Coolant Systems Hose Heater Core Water Pump and AC, Includes Dye Cleaner and Gloves

This UV leak detector dye kit makes it easy to spot tiny leaks fast. It glows a bright yellow under UV light. It helps you see leaks that normal checks miss.

It works with many coolant and AC parts in your vehicle. Cleanup is simple with the included dye cleaner and gloves.

8. Concentrated Green Water Tracing Dye for Leak Detection – Treats 6,000+ Gallons – Non-Staining UV Dye for Toilets, Pools, Plumbing, Septic, Storm Drains – 68 oz

Spot leaks fast with this concentrated green dye. One bottle treats 6,000+ gallons of water. Perfect for pools, plumbing, and more.

Glows under UV light for easy detection in low-light areas. Works great in murky water or underground lines.

Safe and non-staining for most materials. Biodegradable formula is kind to the environment.

9. TSI Supercool RD8 Radiator Coolant Water Based U/V Leak Detection Dye (Self Measure Bottle), Purple, 8-Ounce Bottle

The TSI Supercool RD8 is a radiator coolant designed to help you find leaks in your vehicle’s cooling system. It comes in an 8-ounce bottle and is purple in color.

This product includes a synthetic U/V leak detection dye. It works with any U/V light. You only need 1 ounce per vehicle.

The formula is easy to use. Just add it to your coolant. Then shine a U/V light to find leaks quickly.

10. Vansky Air Conditioner Leak Detection: 100 LED Car AC UV Dye Leak Detector Kit with Protective Glasses – Automotive Professional Tool

The Vansky Air Conditioner Leak Detection Kit is a professional tool for finding leaks in car air conditioners. It uses UV light to spot leaks quickly and easily. This kit is perfect for both DIY enthusiasts and professional mechanics.

It has 100 LED beads that make it 45% brighter than other flashlights. The multi-bead design covers a larger area, making leak detection faster. It’s made of durable aluminum with a non-slip grip for easy handling.

The kit includes UV protective glasses to protect your eyes and improve visibility. It works with all types of UV dye for various leak detection tasks. With this tool, you can save time and money on repairs.