Mastercool 85102 R134A 2-Way Aluminum Manifold Block

The Mastercool 85102 is a professional-grade 2-way aluminum manifold block designed for R134A automotive air conditioning service and repair. This replacement manifold block serves as the core component for building or repairing manifold gauge sets used in A/C diagnostics, refrigerant recovery, and system charging applications.

Key Features:

• Solid extruded aluminum construction for durability and longevity
• Free-floating piston-type valve design reduces o-ring wear and extends service life
• Extra access port for vacuum line connection
• Large sight glass for visual refrigerant flow monitoring
• Compatible with R134A refrigerant systems
• Precision-machined to Mastercool quality standards

This manifold block is compatible with various Mastercool gauge sets and can be used as a replacement part for models 89660, 89636, 89661, and 89772. The aluminum construction provides excellent heat dissipation and resistance to corrosion while maintaining a lightweight profile for professional technicians.

Note: This is the manifold block only. Gauges, hoses, and couplers are sold separately.