Mastercool 58490-YF Universal R1234YF Master Kit for Valve Cores

Professional universal R1234YF master kit - the perfect tool for replacing damaged valve cores with R1234yf refrigerant in the system without losing the system's charge. R1234yf is the new environmentally-friendly refrigerant standard (GWP less than 1) mandated for all new vehicles in Europe from 2017. 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.

Key Features:

• Universal R1234YF valve core replacement kit
• Replace valve cores without losing refrigerant charge
• Ball valve design with stainless steel ball
• Smooth movement and durability
• Covers 17 mm and 14 mm service ports
• High and low side compatibility
• Quick and easy operation
• Professional-grade quality

Kit 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

About R1234yf:

• New environmental standard with GWP less than 1 (vs R-134a GWP of 1,430)
• Mandated for all new vehicles in Europe from January 1, 2017
• Similar cooling performance to R-134a
• Not compatible with R-134a systems - uses unique service fittings
• 17 mm high side and 14 mm low side service ports

Specifications:

• Type: Universal R1234YF valve core master kit
• Valve Design: Ball valve with stainless steel ball
• High Side: 17 mm connector
• Low Side: 14 mm connector
• Refrigerant: R1234yf
• Application: Automotive A/C service
• Compatibility: Standard, GM large bore, Eaton R134a/R1234yf

Applications:

• R1234yf valve core replacement without refrigerant loss
• Modern vehicles (typically registered after January 1, 2017)
• Service port maintenance
• Repairing damaged or leaking valve cores
• GM, Eaton, and standard valve core systems

Benefits:

Essential for servicing modern vehicles using the new R1234yf environmental standard. The perfect tool for replacing damaged valve cores without losing the system's refrigerant charge - saves time and money by eliminating the need to recover and recharge the system. Ball valve design with stainless steel ball provides smooth movement and long-lasting durability. Universal kit covers both 17 mm high side and 14 mm low side R1234yf service ports. Includes multiple valve core shafts for compatibility with standard, GM large bore, and Eaton R134a/R1234yf systems. Quick and easy operation attaches directly to R1234yf service ports. Professional-quality construction ensures reliable service work.

Universal R1234YF valve core replacement kit. Replace cores without losing refrigerant charge. Ball valve design. Covers 17mm/14mm ports. For post-2017 vehicles. Professional tool.