MASTER LEAK SHIELD DYE - Mastercool

The Mastercool 53910 MASTER LEAK SHIELD DYE is a professional-grade solution designed to address and prevent common leaks in automotive and industrial AC systems. This 1 oz. replacement cartridge combines a powerful leak sealant with a high-quality universal fluorescent dye, offering a dual approach to system maintenance and diagnostics. It effectively lubricates the system while actively working to seal small, problematic leaks, ensuring optimal AC performance.

Key Features

• Formulated to lubricate the AC system, enhancing component longevity and efficiency.
• Seals minor leaks in critical components such as evaporators, condensers, hoses, O-rings, and gaskets.
• Contains a high-quality universal fluorescent dye for precise identification of larger leaks under UV light.
• Compatible with both R12 and R134a automotive air conditioning systems.
• Safe for use in vehicles equipped with hybrid and electric compressors, ensuring broad application versatility.
• Proudly manufactured in the USA, adhering to high standards of quality and reliability.

Applications

This sealant and dye cartridge is ideal for professional technicians and mechanics performing routine AC system maintenance, diagnostics, and repairs. It provides a proactive measure against minor leaks that can degrade system performance and aids in accurately locating more significant leaks that require physical repair. Suitable for a wide range of vehicles, including older models with R12 systems, modern R134a systems, and the growing fleet of hybrid and electric vehicles.