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

• Solid extruded aluminum body
• Free-floating piston type valves reduce o-ring wear
• Extra access port for vacuum line
• Silicone dampened gauges smooth out needle movement
• Gauges can be easily recalibrated in the field to maintain accuracy
• Extra large sight glass for visual refrigerant check
• Large easy-to-grip knobs
• Set of 3 - 60" SAE Approved Nylon Barrier Hoses
• 10 Application Mini Dye Injector
• Custom Molded Carrying Case

Mastercool Part # 89661-UV.

Replacement Parts (sold separately):

• 85215: O-Rings for Aluminum Manifold (4 pcs)
• 85216: Seal and Seat Assembly (2 pcs)
• 85217: Stem O-Ring (2 pcs)