Mastercool 58490-002 — R134a High Side 16mm Connector

R134a High Side 16mm Connector for Valve Core Service

The Mastercool 58490-002 is a high-side 16mm connector designed for use with the 58490 Universal R12/R134a Master Kit. This connector allows access to R134a high side service ports for valve core removal and installation without discharging the system.

Key Features

• 16mm Connection: R134a high side standard
• High Side Port: Designed for high-pressure side
• R134a Compatible: Specifically for R134a systems
• Professional Quality: Durable construction
• Part of Master Kit: Component of 58490 kit
• No System Discharge: Works with ball valve system

Technical Specifications

• Model: 58490-002
• Type: R134a high side connector
• Connection Size: 16mm
• Side: High side (high pressure)
• Compatible Refrigerant: R134a
• Barcode: 700376101126
• SKU: 58490-002
• HS Code: 84189910

Applications

• R134a high side valve core service
• Automotive A/C service
• High pressure side access
• Valve core replacement
• Used with 58490 master kit

High Side vs Low Side

High Side (This Product - 16mm):

• High pressure side of A/C system
• 16mm connection size
• Red service port (typically)
• Higher pressure operation

Low Side (13mm):

• 58490-003 — R134a Low Side 13mm Connector
• Low pressure side of A/C system
• 13mm connection size
• Blue service port (typically)

Part of Complete System

This connector is part of the complete valve core service system:

• 58490 — Universal R12/R134a Master Kit (complete kit)
• 58490-002 — R134a High Side 16mm Connector - This Product
• 58490-003 — R134a Low Side 13mm Connector
• 58490-378 — GM Large Bore Valve Core Tool
• 58490-768 — Eaton R134a LP Valve Core Tool

Why Choose Mastercool Connectors?

• Professional Quality: Built to demanding standards
• Precise Fit: Correct sizing for R134a systems
• Durable: Long service life
• System Compatible: Works with ball valve system
• No Refrigerant Loss: Part of no-loss system

Perfect For

• Automotive A/C technicians
• R134a system service
• High side valve core access
• Replacement connector for 58490 kit
• Workshop and mobile service

Professional Quality: Mastercool valve core service components are built to professional standards for reliable performance. The 58490-002 is a 16mm R134a high side connector designed for use with the 58490 Universal Master Kit, providing access to high pressure side service ports for valve core removal and installation without system discharge.