Mastercool 53377-YF - R1234YF Visual Inspection Sight Glass Kit with R1234YF Manual Couplers
Mastercool 53377-YF - R1234YF Visual Inspection Sight Glass Kit with R1234YF Manual Couplers

Mastercool 53377-YF - R1234YF Visual Inspection Sight Glass Kit with R1234YF Manual Couplers

Part No:MAS53377-YF
Retail Price:$200.00
Our Price: $149.55

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  • 53377-YF Visual Inspection Sight Glass Kit can be used with a standard vacuum pump or with the vacuum function on your R/R/R machine. 
  • Easy to follow instructions will guide you through the use of either option.
  • Allows user to visually inspect the refrigerant in any R1234YF system and identify excess dye, oil or debris
  • Allows the user to extract a small portion of the refrigerant for actual visual inspection
  • Leak free, ball valve controlled and will allow the refrigerant extracted for the visual inspection to be deposited back into the system
Mastercool 53377-YF Kit Includes:
  • Refrigerant Oil Visual Inspection Sight Glass (53375) 
  • 1/4 fl-f x 17 mm-m R1234yf Adapter with Valve Core (84274) 
  • 60” Blue R1234yf Charging Hose (53376-601YF) 
  • 60” Red R1234yf Charging Hose (53376-603YF) 
  • High Side R1234yf 12 mm-F x 17 mm Manual Coupler (83834) 
  • Low Side R1234yf 12 mm-F x 14 mm Manual Coupler (83934) 

SAVE TIME BY EASILY DETERMINING IF THE A/C SYSTEM NEEDS TO BE FLUSHED

The condition of the refrigerant in your A/C system is an important factor in the proper operation of all components and overall cooling efficiency. The only way to actually see the condition of the refrigerant in your vehicle’s A/C system is with the use of the Mastercool visual inspection sight glass.

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