Mastercool 58490-YF Universal R1234yf Master Kit

The perfect tool for replacing damaged valve cores with R1234yf refrigerant in the system without losing the systems charge.

Attaches to R1234yf service ports to quickly and easily remove and replace valve cores without the loss of refrigerant
Ball Valve design with stainless steel ball provides smooth movement and durability
Kit covers 17 mm and 14 mm high and low side service ports

INCLUDES:

• Valve assembly
• High side 17 mm connector
• Low side 14 mm connector
• Standard valve core shaft
• GM large bore valve core shaft
• Eaton R134a/R1234yf high side valve core shaft