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
- Standard® - Tru-Tech™ Replacement HornTru-Tech™ Replacement Horn by Standard®. SMP's vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for integrity to all...High quality at an affordable priceExpertly made from premium materials$26.51 - $29.71In Stock - Ships within 24 hrs
- WVE® - Accessory Power Receptacle ConnectorAccessory Power Receptacle Connector by WVE®. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to ensure the ultimate in durability and functionality. Made to meet or...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$4.16Availability Varies - Depends on Product Options
- WVE® - Back Up Light Switch ConnectorBack Up Light Switch Connector by WVE®. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to ensure the ultimate in durability and functionality. Made to meet or exceed...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$8.49 - $100.85Availability Varies - Depends on Product Options
- WVE® - Brake Light SocketBrake Light Socket by WVE®. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to ensure the ultimate in durability and functionality. Made to meet or exceed the OEM...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$6.24 - $6.86Availability Varies - Depends on Product Options
- WVE® - Brake Light Switch ConnectorBrake Light Switch Connector by WVE®. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to ensure the ultimate in durability and functionality. Made to meet or exceed...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$24.80 - $85.16Availability Varies - Depends on Product Options
- WVE® - Diagnostic Test ConnectorDiagnostic Test Connector by WVE®. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to ensure the ultimate in durability and functionality. Made to meet or exceed the...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$10.36In Stock - Ships within 24 hrs
- WVE® - Dimmer Switch ConnectorDimmer Switch Connector by WVE®. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to ensure the ultimate in durability and functionality. Made to meet or exceed the...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$3.35 - $32.61Availability Varies - Depends on Product Options
- WVE® - Fog Light RelayFog Light Relay by WVE®. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to ensure the ultimate in durability and functionality. Made to meet or exceed the OEM...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$10.47 - $13.58Availability Varies - Depends on Product Options
- WVE® - Hazard Warning Switch ConnectorHazard Warning Switch Connector by WVE®. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to ensure the ultimate in durability and functionality. Made to meet or...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$17.24Availability Varies - Depends on Product Options
- WVE® - Headlight RelayHeadlight Relay by WVE®. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to ensure the ultimate in durability and functionality. Made to meet or exceed the OEM...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$3.75 - $16.99Availability Varies - Depends on Product Options
- WVE® - Headlight Switch ConnectorHeadlight Switch Connector by WVE®. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to ensure the ultimate in durability and functionality. Made to meet or exceed the...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$10.30 - $156.22Availability Varies - Depends on Product Options
- WVE® - HornHorn by WVE®. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to ensure the ultimate in durability and functionality. Made to meet or exceed the OEM standards, it...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$22.60In Stock - Ships within 24 hrs
- WVE® - Horn RelayHorn Relay by WVE®. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to ensure the ultimate in durability and functionality. Made to meet or exceed the OEM standards,...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$3.75 - $13.08Availability Varies - Depends on Product Options
- WVE® - Inline ConnectorInline Connector by WVE®. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to ensure the ultimate in durability and functionality. Made to meet or exceed the OEM...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$11.36 - $234.28Availability Varies - Depends on Product Options
- WVE® - Instrument Panel Dimmer Switch ConnectorInstrument Panel Dimmer Switch Connector by WVE®. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to ensure the ultimate in durability and functionality. Made to meet...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$37.15Availability Varies - Depends on Product Options
- WVE® - Multi Purpose RelayMulti Purpose Relay by WVE®. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to ensure the ultimate in durability and functionality. Made to meet or exceed the OEM...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$3.75 - $31.25Availability Varies - Depends on Product Options
- WVE® - Side Marker Light ConnectorSide Marker Light Connector by WVE®. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to ensure the ultimate in durability and functionality. Made to meet or exceed...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$18.45Availability Varies - Depends on Product Options
- WVE® - Turn Signal Light SocketTurn Signal Light Socket by WVE®. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to ensure the ultimate in durability and functionality. Made to meet or exceed the...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$4.94 - $6.86Availability Varies - Depends on Product Options
- WVE® - Turn Signal Switch ConnectorTurn Signal Switch Connector by WVE®. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to ensure the ultimate in durability and functionality. Made to meet or exceed...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$17.24 - $32.61Availability Varies - Depends on Product Options
- Diode Dynamics® - BiXenon HID AdapterBiXenon HID Adapter by Diode Dynamics®. Looking to maintain the top condition of your electrical system? They are ready to help you! Just choose from their immense selection of premium replacement electrical parts manufactured to strict...Designed to help restore the performance of your electrical systemMade from high-grade materials using the latest techniques$30.00In Stock - Ships within 24 hrs
- Diode Dynamics® - CANBUS Anti-Flicker ModuleCANBUS Anti-Flicker Module by Diode Dynamics®. Looking to maintain the top condition of your electrical system? They are ready to help you! Just choose from their immense selection of premium replacement electrical parts manufactured to...Designed to help restore the performance of your electrical systemMade from high-grade materials using the latest techniques$25.00 - $50.00Availability Varies - Depends on Product Options
- Diode Dynamics® - Inline ResistorInline Resistor by Diode Dynamics®. Looking to maintain the top condition of your electrical system? They are ready to help you! Just choose from their immense selection of premium replacement electrical parts manufactured to strict...Designed to help restore the performance of your electrical systemMade from high-grade materials using the latest techniques$10.00In Stock - Ships within 24 hrs
- Dorman® - Conduct-Tite™ Headlight SocketConduct-Tite™ Headlight Socket by Dorman®. Looking to maintain the top condition of your electrical system? They are ready to help you! Just choose from their immense selection of premium replacement electrical parts manufactured to...Professional appearance - this electrical pigtail is designed for a clean, professional look when installedConvenient solution - this pigtail connector allows the circuit to be quickly disconnected for service or occasional use$9.17In Stock - Ships within 24 hrs
- Dorman® - OE Solutions Air Bag Clock SpingsOE Solutions Air Bag Clock Spings by Dorman®. This product allows the air bag clockspring to be replaced without the time and expense of replacing the wiring harness. Precisely engineered for trouble-free performance, the Dorman air bag...Enables replacement of failure-prone clockspring without replacing entire assemblyAllows clockspring to be installed into existing harness$116.33Availability Varies - Depends on Product Options
- Dorman® - TECHoice Headlight SocketsTECHoice Headlight Sockets by Dorman®. Looking to maintain the top condition of your electrical system? Dorman is ready to help you! Just choose from their immense selection of premium replacement electrical parts manufactured to strict...Durably designed for a long service lifeAlso suitable for a broad range of industrial and commercial uses$3.88 - $9.45Availability Varies - Depends on Product Options
- Dorman® - TECHoice Headlight Switch ConnectorTECHoice Headlight Switch Connector by Dorman®. Dorman offers a comprehensive line of Headlight Switch Connectors for a wide range of applications. All their Headlight Switch Connectors are constructed of high-quality materials for...Available in different wire configurations, including 3- and 6-wireDirect replacement Headlight Switch Connectors available (where applicable) to ensure a proper fit$71.80In Stock - Ships within 24 hrs
- Dorman® - TECHoice Headlight Switch Light SocketTECHoice Headlight Switch Light Socket by Dorman®. Engagement of the four-wheel drive system is crucial during slick weather conditions. Dorman provides you with the security of knowing that your switch will activate every time. Special...Easy installation; just plug it in to the mating componentDirect replacement matches original design$7.46 - $8.94Availability Varies - Depends on Product Options
- Mopar® - Air Bag Module Retaining NutAir Bag Module Retaining Nut by Mopar®. Want your prized possession to look and perform the way it was designed to? Then top-of-the-line Mopar automotive parts and accessories are for you. Made using the latest manufacturing technology...Ideal solution to keep your vehicle in top shapeCrafted from premium-grade materials and the latest technology$2.18Availability Varies - Depends on Product Options
- Mopar® - Body Control ModuleBody Control Module by Mopar®. Want your prized possession to look and perform the way it was designed to? Then top-of-the-line Mopar automotive parts and accessories are for you. Made using the latest manufacturing technology to meet...Ideal solution to keep your vehicle in top shapeCrafted from premium-grade materials and the latest technology$234.91 - $420.59Availability Varies - Depends on Product Options
- Mopar® - Body Wiring HarnessBody Wiring Harness by Mopar®. Want your prized possession to look and perform the way it was designed to? Then top-of-the-line Mopar automotive parts and accessories are for you. Made using the latest manufacturing technology to meet...Ideal solution to keep your vehicle in top shapeCrafted from premium-grade materials and the latest technology$8.07 - $3,498.60Availability Varies - Depends on Product Options
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.