Description
The Tracerline 6pcs 30ml Engine Coolant Leak Detection Dye (TP3900-6) is a professional-grade solution designed to help locate leaks in a vehicle’s cooling system with precision. This kit features six 30ml bottles of highly concentrated fluorescent dye, each sufficient for one full vehicle application. Compatible with all conventional, water-based coolants, the dye offers a bright yellow-green fluorescence under UV or UV/blue light, allowing fast and accurate identification of leaks. Ideal for both DIY users and professionals, this kit enhances diagnostic efficiency and prevents further engine damage by enabling prompt repairs.
KEY FEATURES AND BENEFITS:
- Professional diagnostic tool for detecting coolant system leaks.
- Compatible with all conventional, water-based coolants.
- Includes six 30ml bottles of concentrated fluorescent dye.
- One bottle treats one vehicle, ensuring multiple uses.
- Fluoresces bright yellow-green under UV/UV-blue light for easy leak visibility.
- Enables quick identification and precise repair of leak sources.
- Reduces diagnostic time and improves service accuracy.
SPECIFICATIONS:
- Part Number: TP3900-6
- Alternative Part Number: TP-3900-0601
- Container Size: 1 oz (30 ml) per bottle
- Number of Bottles: 6
- Dye Color (UV Activated): Yellow-green
- Coolant Compatibility: All conventional (water-based) coolants
- Included in Purchase: Six 1 oz (30 ml) bottles of fluorescent dye
HOW TO USE:
- Ensure engine is cool: Wait until the engine has fully cooled before beginning.
- Remove radiator cap: Carefully take off the radiator cap.
- Add dye: Pour the contents of one 30ml (1 oz) bottle into the cooling system.
- Replace cap: Secure the radiator cap tightly.
- Run engine: Start the engine and let it reach normal operating temperature to circulate the dye.
- Inspect for leaks: Turn off the engine. Use a UV or UV/blue inspection lamp and fluorescence-enhancing glasses to examine the radiator, hoses, water pump, and other components.
- Look for fluorescence: The dye will glow yellow-green at the leak site.
- Clean up: After repairs, use a dye cleaner to remove residue.
BENEFITS OF USING TRACERLINE 6PCS 30ML ENGINE COOLANT LEAK DETECTION DYE (TP3900-6):
- Clear fluorescent visualization improves leak detection over standard inspection methods.
- Compatible with all types of conventional water-based coolants for maximum versatility.
- Cost-effective 6-pack supports multiple diagnostic sessions.
- Prevents costly repairs by enabling early leak detection and repair.
- Non-staining when diluted and easy to clean after use.
- Suitable for both professional technicians and DIY users.
FEATURES:
- Compatible with all water-based conventional coolants.
- Glows yellow-green under UV or UV/blue light for leak visibility.
- Pre-measured single-use bottles for mess-free application.
- Quickly identifies leaks in key cooling system components.
- Useful for detecting other automotive water leaks as well.
- Eliminates guesswork in pinpointing leak locations.
- Will not stain surfaces when properly diluted.





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