Semi Truck Electrical Parts
Cruise Control- Defrosters
- Replacement Gauges
- Air Bag Parts
- Horns
- Fuses
- Light Switches
- Light Relays + Sensors
- Power + Heated Seats
- Power Mirror Switches + Relays
- Electrical Wiring, Cables & Connectors
- Door Lock Actuators + Switches
- Batteries
- Starters
- Steering Valves, Relays & Sensors
- Oxygen Sensors
- Window Motors + Switches
- A/C Relays, Sensors
- Brake System Sensors
- Cooling System Switches
- Engine Sensors, Relays, Switches
- Fuel Sensors & Switches
- Starting & Charging Relays, Cables, Connectors
- Alternators
- Mass Air Flow Sensors
- Transmission Solenoids, Sensors, Switches & Control Units
- Voltage Regulators
- Cigarette Lighters + Components
- Control Buttons
- Sunroof + Convertible Top Motors
Featured Brands
- Four Seasons® - A/C Condenser Fan Switch (37807)A/C Condenser Fan Switch (37807) 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...Color coded for easy identificationContains gaskets, o-rings, or seals to properly replace the product$44.13In Stock - Ships within 24 hrs
- Four Seasons® - A/C Condenser Fan Switch (35972)A/C Condenser Fan Switch (35972) by Four Seasons®. With Round Connector Shape. Location: To Compressor. Type: 2 Terminals. Finish: Purple. Operation PSI Low Off: 210. Products are engineered and tested to provide years of trouble free...Contains gaskets, o-rings, or seals to properly replace the productColor coded for easy identification$14.46In Stock - Ships within 24 hrs
- Four Seasons® - A/C Condenser Fan Switch (35969)A/C Condenser Fan Switch (35969) by Four Seasons®. With Round Connector Shape. Location: To Compressor. Type: 2 Terminals. Finish: Gray. Operation PSI Low Off: 170. Products are engineered and tested to provide years of trouble free...Contains gaskets, o-rings, or seals to properly replace the productColor coded for easy identification$12.20In Stock - Ships within 24 hrs
- Four Seasons® - A/C Condenser Fan Switch (35828)A/C Condenser Fan Switch (35828) 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...Contains gaskets, o-rings, or seals to properly replace the productColor coded for easy identification$39.95In Stock - Ships within 24 hrs
- Four Seasons® - A/C Condenser Fan Switch (36670)A/C Condenser Fan Switch (36670) 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...Contains gaskets, o-rings, or seals to properly replace the productColor coded for easy identification$42.10In Stock - Ships within 24 hrs
- Four Seasons® - Coolant Temperature Switch (35967)Coolant Temperature Switch (35967) by Four Seasons®. Location: Compressor. All products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of car parts experience, fix it once and fix it right...OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price$65.53In Stock - Ships within 24 hrs
- Four Seasons® - HVAC Blower Motor Relay (35925)HVAC Blower Motor Relay by Four Seasons®. Type: 3 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 Seasons.Precision engineeredOE style molded connectors$24.18In Stock - Ships within 24 hrs
- Four Seasons® - HVAC Blower Motor Resistor Connector (37242)HVAC Blower Motor Resistor Connector by Four Seasons®. Front. Type: 7 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...Molded plastic constructionOE style connectors$19.30In Stock - Ships within 24 hrs
- Four Seasons® - HVAC Blower Motor Resistor Harness (70053)HVAC Blower Motor Resistor Harness (70053) by Four Seasons®. High Temperature. Type: 6 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...Molded plastic constructionOE style connectors$15.48In Stock - Ships within 24 hrs
- Four Seasons® - HVAC Blower Motor Resistor Harness (70056)HVAC Blower Motor Resistor Harness (70056) by Four Seasons®. Front. 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...Molded plastic constructionOE style connectors$33.54In Stock - Ships within 24 hrs
- 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
The electrical system of your semi truck is similar to the human nervous system. It coordinates and keeps all parts and components of your truck working properly and in sync with one another. If something goes wrong with the electrical system, it needs to be fixed right and as soon as possible. In case you need any replacement or aftermarket semi truck electrical parts and accessories, on our digital shelves you will find the right products for your needs. We provide a wide range of top quality electrical parts for just about any domestic or imported semi truck.