Mastercool 58490 R134a Valve Core Remover/Installer Kit

Mastercool 58490 R134a Valve Core Remover/Installer Kit – Works Under Pressure – Covers Standard, JRA, Eaton Cores – Includes Shafts, Adapters, R134a Fittings & Case
- ✔️ 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.
- ✔️ ORIGINAL MASTERCOOL DESIGN – Built on patented technology originally developed by Mastercool, trusted by professionals for decades.
- ✔️ TRUSTED QUALITY AND U.S. SUPPORT – Mastercool delivers over 40 years of A/C service innovation with responsive, U.S.-based customer support and technician-first design.
Allows the user to service valve cores without losing the systems charge. Kit covers all R12 and R134a system valve cores for Standard, JRA, Eaton and GM large bore. Patent # 6253436.

Consists of:
- Â Valve assembly
- Â R134a high side 16 mm connector
- Â R134a low side 13 mm connector
- Â 1/4" FL swivel connector
- Â Standard valve core remover/installer assembly
- GM large bore valve core remover/installer assembly
- Â JRA R134a valve core remover/installer assembly
- Â Eaton R134a low side valve core remover/installer assembly
- Â Eaton R134a high side valve core remover/installer assembly
- Â Adapter 1/4"-M x 3/16"-F high side GM/Ford
- Â Adapter 1/4"-M x 1/8"-F high side Ford

Country	USA
Brand	Mastercool
Manufacturer	Mastercool
Binding	Automotive
ItemPartNumber	58490
Model	Universal R134a & R12 Kit
Warranty	1 year
Color	Brass, Silver
ReleaseDate	2014-10-03
Size	1-8/9 in x 7-2/5 in x 10-3/5 in
UnitCount	1
UPCs	700376584905
EANs	0700376584905

Mastercool 58490 R134a Valve Core Remover/Installer Kit – Works Under Pressure – Covers Standard, JRA, Eaton Cores – Includes Shafts, Adapters, R134a Fittings & Case

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