Semi Truck A/C Relays, Sensors & Switches
- Four Seasons® - HVAC Harness Connector (37299)HVAC Harness Connector (37299) by Four Seasons®. With Gauge. Terminal Quantity: 1. Type: 1 Terminal. Products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile A/C experience, fix it...Molded plastic constructionOE style connectors$2.29In Stock - Ships within 24 hrs
- Four Seasons® - HVAC Harness Connector (37272)HVAC Harness Connector (37272) by Four Seasons®. Terminal Quantity: 3. Terminal Type: Female. Finish: Black. Type: 3 Terminals. Products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of...Molded plastic constructionOE style connectors$15.06In Stock - Ships within 24 hrs
- Four Seasons® - HVAC Harness Connector (37251)HVAC Harness Connector (37251) by Four Seasons®. Terminal Quantity: 6. Terminal Type: Female. Finish: White. Type: 6 Terminals. Products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of...Molded plastic constructionOE style connectors$36.77In Stock - Ships within 24 hrs
- Four Seasons® - HVAC Harness Connector (37263)HVAC Harness Connector by Four Seasons®. Front. Type: 4 Terminals. Products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile A/C experience, fix it once and fix it right with Four...Molded plastic constructionOE style connectors$33.11In Stock - Ships within 24 hrs
- Four Seasons® - HVAC Harness Connector (70010)HVAC Harness Connector (70010) by Four Seasons®. Type: 2 Terminals. Products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile A/C experience, fix it once and fix it right with Four...Molded plastic constructionOE style connectors$6.82In Stock - Ships within 24 hrs
- Four Seasons® - HVAC Heater Blend Door Actuator Connector (37280)HVAC Heater Blend Door Actuator Connector (37280) by Four Seasons®. Location: To Auxiliary Unit. Type: 6 Terminals. 2 Required. Products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of...Molded plastic constructionOE style connectors$43.03In Stock - Ships within 24 hrs
- Four Seasons® - HVAC Pressure Switch (37814)HVAC Pressure Switch by Four Seasons®. Products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile A/C experience, fix it once and fix it right with Four Seasons.Premium parts you can rely onDesigned to keep your A/C system in top shape$44.60In Stock - Ships within 24 hrs
- Four Seasons® - HVAC Pressure Switch (37819)HVAC Pressure Switch by Four Seasons®. Products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile A/C experience, fix it once and fix it right with Four Seasons.Premium parts you can rely onDesigned to keep your A/C system in top shape$58.35In Stock - Ships within 24 hrs
- Four Seasons® - HVAC Pressure Switch (37811)HVAC Pressure Switch by Four Seasons®. Products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile A/C experience, fix it once and fix it right with Four Seasons.Premium parts you can rely onDesigned to keep your A/C system in top shape$47.49In Stock - Ships within 24 hrs
- Four Seasons® - HVAC Pressure Switch (35961)HVAC Pressure Switch (35961) by Four Seasons®. With Connector. Location: To Compressor. Type: 2 Terminals. Finish: Blue. Products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile...Contains gaskets, o-rings, or seals to properly replace the productColor coded for easy identification$27.76In Stock - Ships within 24 hrs
- Four Seasons® - HVAC Pressure Switch (35833)HVAC Pressure Switch by Four Seasons®. With Wire Lead Connector Shape. Type: 2 Terminals. Finish: Black. Products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile A/C experience,...Contains gaskets, o-rings, or seals to properly replace the productColor coded for easy identification$38.43In Stock - Ships within 24 hrs
- Four Seasons® - Harness Connector (37241)Harness Connector (37241) by Four Seasons®. Low Temperature Cut-Out. With Oval Connector Shape. Type: 2 Terminals. Products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile A/C...OE style connectorsMolded plastic construction$15.05In Stock - Ships within 24 hrs
- Four Seasons® - Harness Connector Adapter (37218)Harness Connector Adapter (37218) by Four Seasons®. Conversion. With Rectangle Connector Shape. Type: 2 Terminals. With 4 Mounting Threaded Ears. Products are engineered and tested to provide years of trouble free operation. Backed by...Precision moldedOE style connectors$11.39In Stock - Ships within 24 hrs
- Four Seasons® - Harness Connector Adapter (37209)Harness Connector Adapter (37209) by Four Seasons®. Extender. With Rectangle Connector Shape. Type: 2 Spade Coil Terminal. Products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile...Precision moldedOE style connectors$8.82In Stock - Ships within 24 hrs
- Four Seasons® - Harness Connector Adapter (37216)Harness Connector Adapter (37216) by Four Seasons®. Conversion. With Spade Coil Connector. Type: 2 Terminals. Products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile A/C...Precision moldedOE style connectors$9.65In Stock - Ships within 24 hrs
- Four Seasons® - Harness Connector Adapter (37233)Harness Connector Adapter (37233) by Four Seasons®. Extender. With Oval Connector Shape. Type: 2 Terminals. With 4 Mounting Threaded Ears. Products are engineered and tested to provide years of trouble free operation. Backed by over 50...Precision moldedOE style connectors$12.06In Stock - Ships within 24 hrs
- Four Seasons® - Lever Selector Blower Switch (35718)Lever Selector Blower Switch by Four Seasons®. With Rectangle Connector Shape. Type: 5 Terminals. Products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile A/C experience, fix it...Vehicle specific applicationsZinc coated to resist corrosion$16.22In Stock - Ships within 24 hrs
- Four Seasons® - Rotary Selector Blower Switch (35716)Rotary Selector Blower Switch (35716) by Four Seasons®. With Rectangle Connector Shape. Type: 5 Terminals. Products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile A/C experience,...Vehicle specific applicationsZinc coated to resist corrosion$18.49In Stock - Ships within 24 hrs
- Four Seasons® - Rotary Selector Blower Switch (35703)Rotary Selector Blower Switch (35703) by Four Seasons®. With Rectangle Connector Shape. Type: 5 Terminals. Long Shaft. Products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile A/C...Universal applicationsZinc coated to resist corrosion$15.50In Stock - Ships within 24 hrs
- Four Seasons® - Rotary Selector Blower Switch (35705)Rotary Selector Blower Switch (35705) by Four Seasons®. With Rectangle Connector Shape. Type: 4 Terminals. Products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile A/C experience,...Universal applicationsZinc coated to resist corrosion$17.38In Stock - Ships within 24 hrs
- Four Seasons® - Rotary Selector Blower Switch (20017)Rotary Selector Blower Switch by Four Seasons®. With Rectangle Connector Shape. Type: 5 Terminals. Products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile A/C experience, fix it...Universal applicationsZinc coated to resist corrosion$14.22In Stock - Ships within 24 hrs
- Four Seasons® - System Mounted Pressure Transducer (37349)System Mounted Pressure Transducer by Four Seasons®. With Round Connector Shape. Products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile A/C experience, fix it once and fix it...Contains gaskets, o-rings, or seals to properly replace the productColor coded for easy identification$43.01In Stock - Ships within 24 hrs
- Dorman HD Solutions® - A/C Refrigerant Pressure Sensor (904-7416)A/C Refrigerant Pressure Sensor by Dorman HD Solutions®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...High quality at an affordable priceExpertly made from premium materials$79.89In Stock - Ships within 24 hrs
- Dorman HD Solutions® - A/C Refrigerant Pressure Sensor (904-7417)A/C Refrigerant Pressure Sensor by Dorman HD Solutions®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...High quality at an affordable priceExpertly made from premium materials$35.99In Stock - Ships within 24 hrs
- Dorman HD Solutions® - A/C Refrigerant Pressure Sensor (904-7403)A/C Refrigerant Pressure Sensor by Dorman HD Solutions®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...High quality at an affordable priceExpertly made from premium materials$118.66In Stock - Ships within 24 hrs
- Dorman HD Solutions® - A/C Refrigerant Pressure Sensor (904-7405)A/C Refrigerant Pressure Sensor by Dorman HD Solutions®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...High quality at an affordable priceExpertly made from premium materials$13.25In Stock - Ships within 24 hrs
- Dorman HD Solutions® - A/C Refrigerant Pressure Sensor (904-7401)A/C Refrigerant Pressure Sensor by Dorman HD Solutions®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...High quality at an affordable priceExpertly made from premium materials$53.42In Stock - Ships within 24 hrs
- Dorman HD Solutions® - A/C Refrigerant Pressure Sensor (904-7419)A/C Refrigerant Pressure Sensor by Dorman HD Solutions®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...High quality at an affordable priceExpertly made from premium materials$77.94In Stock - Ships within 24 hrs
- Dorman HD Solutions® - A/C Refrigerant Pressure Sensor (904-7418)A/C Refrigerant Pressure Sensor by Dorman HD Solutions®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...High quality at an affordable priceExpertly made from premium materials$38.48In Stock - Ships within 24 hrs
- Dorman HD Solutions® - A/C Refrigerant Pressure Sensor (904-7413)A/C Refrigerant Pressure Sensor by Dorman HD Solutions®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...High quality at an affordable priceExpertly made from premium materials$76.03In Stock - Ships within 24 hrs
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A/C Clutch RelaysA/C Compressor Control RelaysA/C Condenser Fan Motor RelaysHVAC Blower Motor RelaysHVAC System RelaysA/C Evaporator Temperature SensorsA/C Refrigerant Pressure SensorsA/C Refrigerant Temperature SensorsAmbient Air Temperature SensorsCabin Air Temperature SensorsHVAC Heater Core Temperature SensorsSun Load Temperature SensorsA/C Clutch Cycle SwitchesA/C Compressor Cut-Out SwitchesA/C Control SwitchesA/C Trinary SwitchesHVAC Binary SwitchesHVAC Blower Control SwitchesHVAC Blower Fan SwitchesHVAC Evaporator Temperature SwitchesHVAC Heater Control SwitchesHVAC Pressure SwitchesHVAC System SwitchesA/C Clutch Cycle Switch ConnectorsA/C Compressor Clutch Coil ConnectorsA/C Compressor Clutch ConnectorsA/C Compressor ConnectorsA/C Pressure Transducer ConnectorsAmbient Air Temperature Sensor ConnectorsHVAC Air Inlet Door Actuator ConnectorsHVAC Blower Motor ConnectorsHVAC Blower Motor Control Unit ConnectorsHVAC Blower Motor Resistor ConnectorsHVAC Control ConnectorsHVAC Harness ConnectorsHVAC Relay ConnectorsHVAC Switch ConnectorsHVAC Temperature Control Sensor ConnectorsHVAC Wiring HarnessesHVAC Pressure Transducers