those are the same OEM part numbers

the MARS 43349 Pressure Switch is the reliable fixed-setting solution you need in your truck

with a pilot duty rating of 125VA

Direct OEM Update: Engineered specifically to replace the HC98ZZ511

the 125-degree thermal limit switch prevents catastrophic component failure

Lennox 97M60 Defrost Sensor those are the same OEMThe Lennox 97M60 Defrost Sensor is a critical OEM replacement part designed for high performance heat pump defrost control. Also identified by part number 97M6001 or Lennox 100503 03, this SPST defrost thermostat sensor is engineered to monitor coil temperatures with precision. It features a specific thermal profile, typically opening at 70 degrees F and closing at 42 degrees F, to initiate the defrost cycle only when necessary. This prevents ice