89772-MB Mastercool R134a Car Air Conditioning Piston Valve Manifold Gauge Set

MastercoolSKU: 89772-MB



89772-MB:R134a, R404A, R407C, R22, R507A (gauge p/n MBH-MBL)

Manifold gauge set with 3 x 180 cm hoses,

1/4" SAE  connections with Professional quality quick couplers (p/n 82834-E, 82934-E)

Mastercool is the leading manufacturer of professional quality A/C manifold gauge sets. Our manifold gauge sets are constructed of the finest materials and machined with precision to the highest quality standards. At Mastercool, every manifold we build is built to last.

All Mastercool gauges are color coordinated for easy refrigerant recognition.

  • Our free floating piston valve results in less wear and tear in comparison to market standard twisting piston valves
  • Double O-Ring allows for a much better seal resulting in fewer leaks
  • Solid extruded aluminum body
  • Extra access port for vacuum line
  • Silicone dampened gauges smooth out needle movement
  • Gauges can be easily re-calibrated in the field to maintain accuracy
  • Extra large sight glass for visual refrigerant check
  • Large easy to grip knobs


85215: O-Rings (4 pcs)
85216: Seal and Seat Assembly (2 pcs)

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