Carrier 328963-751 Cap-Stem 321142-301 internal leaking between hot and

internal leaking between hot and cold inlets

Designed with a 3/4-inch inverted flare connection

eliminating the need for a neutral wire or external power to operate the timing motor

Verification of the existing capacitor's microfarad rating is essential during any motor swap

Carrier 328963-751 Cap-Stem 321142-301 internal leaking between hot andThe Carrier 328963 751 Cap Stem is a precision engineered HVAC refrigeration fitting designed for high pressure service valve assemblies. Constructed from heavy duty machined brass, this 3 8 inch cap stem ensures a leak proof seal within the closed loop system, critical for maintaining proper refrigerant charge levels and preventing atmospheric contamination. As a direct OEM replacement part, it guarantees exact dimensional tolerances required for