About this item
- ✔️ All-In-One Leak Detection Kit – Quickly identify refrigerant, coolant, oil, ATF, and fuel leaks across automotive and HVAC systems with a complete, ready-to-use kit.
- ✔️ High-Intensity 12V UV Light – 50-watt inspection light delivers bright, focused UV illumination for pinpoint leak detection even in hard-to-see areas.
- ✔️ Universal Dye Coverage – Includes 1 oz cartridge of fluorescent dye for oil-based systems (10 applications) and 1 oz engine coolant dye for cooling system diagnostics.
- ✔️ Industry-Compatible Design – Comes with R134a hose and coupler, plus an R12 adapter for legacy system support. Works with most passenger vehicles and service equipment.
- ✔️ Includes Essential Accessories – Features 4 oz dye remover, 25 service labels for recordkeeping, and UV-enhancing safety glasses for technician protection.
- ✔️ Rugged Carry Case for Portability – Durable molded case keeps tools organized and ready for mobile technicians or shop use.
- ✔️ Mastercool Reliability & Support – Built for professional-grade performance with U.S.-based customer service from our US headquarters.
Product Description
Mastercool 53351 Professional UV Leak Detection Kit The Mastercool 53351 kit provides a complete UV leak detection solution for automotive and HVAC technicians. Designed to locate leaks in A/C, coolant, fuel, oil, and ATF systems with precision and ease. Kit Contents: - High-Intensity Mini UV Light (12V / 50W) - 1 oz Universal Fluorescent Dye Cartridge (10 Applications) - Refillable Oil/Dye Injector Hose Assembly - R134a Coupler and R12 Adapter - 1 oz Engine Coolant Dye - 4 oz Dye Remover - UV-Enhancing Safety Glasses - 25 Service Information Labels - Durable Molded Carrying Case Key Benefits: ✔️ Detects refrigerant, coolant, oil, fuel, and ATF leaks ✔️ Compact and powerful 50W-equivalent UV light for accurate leak detection ✔️ Refillable dye injector compatible with R134a and R12 systems ✔️ Includes universal oil dye and dedicated coolant dye ✔️ Packaged in a rugged case for easy transport and field use Important Use Notes: - Always wear safety glasses and gloves when injecting dye - Purge air from the injector hose prior to first use - Do not operate the UV light without proper eye protection - Avoid touching the UV light lens during use – surface becomes hot Built for professionals who demand accuracy, portability, and performance — backed by Mastercool’s U.S.-based support team.










