58490
UNIVERSAL R12/R134a MASTER KIT

Product Description

Mastercool’s valve core remover/installer has a built-in ball valve to retain charge and allow access to A/C system. Excellent for replacing valve cores without discharging the system, speeding recovery and recharging large systems. Its heavy-duty design for R134a and R12 systems allows the user to change valve cores while under pressure without any refrigerant loss. Patent # 6253436.

• SERVICE VALVE CORES UNDER PRESSURE – Remove and replace valve cores without discharging the system using built-in shutoff and ball valve control.
• UNIVERSAL R134a COVERAGE – Works with standard valve cores (0.210-36), JRA (M6 x 0.75), and Eaton-style cores (8mm & 10mm threads).
• COMPLETE ADAPTER SET INCLUDED – Comes with high and low side R134a connectors (13mm and 16mm), plus multiple shafts and adapters for maximum coverage.
• IDEAL FOR PROFESSIONAL TECHNICIANS – Designed for full system compatibility across most R134a passenger vehicle platforms.
• DURABLE, FIELD-READY CONSTRUCTION – Features brass body, stainless steel ball valve, and hardened steel shafts.
• INCLUDES MOLDED CARRYING CASE – Keeps all adapters, shafts, and connectors organized and protected.

Consists of:
58490-001 Valve assembly
58490-002 R134a high side 16mm connector
58490-003 R134a low side 13mm connector
58490-012 1⁄4″ FL swivel connector
58490-377 Standard valve core remover/installer assembly
58490-378 GM large bore valve core remover/installer assembly
58490-531 JRA R134a valve core remover/installer assembly
58490-768 Eaton R134a low side valve core remover/installer assembly
58490-769 Eaton R134a high side valve core remover/installer assembly
91494 Adapter 1/4″-M x 3/16″-F high side GM/Ford
91495 Adapter 1/4″-M x 1/8″-F high side Ford
58490-PB Plastic molded box for 58490