Mastercool 58490-378 GM Large Bore Valve Core Remover Shaft

The Mastercool 58490-378 is a replacement valve core shaft designed specifically for GM large bore valve cores. This shaft is an essential component for the 58490 Universal Valve Core Remover/Installer tool, ensuring proper removal and installation of large bore valve cores commonly found in GM air conditioning systems.

Key Features:

• Large bore shaft design for GM applications
• Compatible with Mastercool 58490 Universal Valve Core Remover/Installer
• Precision-machined for reliable valve core service
• Replacement shaft component for maintaining your valve core service tool

This shaft is specifically engineered to handle the unique requirements of GM large bore valve cores, making it an indispensable replacement part for automotive A/C service professionals working with GM vehicles.