While RTV can be used in emergencies

1-phase power supply

It is typically utilized for low-pressure steam control in HVAC radiators and heat exchangers

While the 3/4" threading may match

Does this kit include the mounting spring or cover

Tecumseh K146-42 Start Capacitor Kit 321894-706 While RTV can be usedThe Tecumseh K146 42 Start Capacitor Kit is a critical service component engineered to provide the necessary electromotive force for high torque compressor ignition. Utilizing a 136 MFD capacity rated for 330 VAC, this kit is specifically designed for integration with Tecumseh AJB2444ZXD compressors and similar high demand HVACR systems. By delivering a temporary phase shifted current to the compressor start windings, it ensures reliable operation