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™ Voltage Regulator (VR111T)Tru-Tech™ Voltage Regulator (VR111T) by Standard®. 2 Blade Terminals Connector. Do you hear nothing but “click, click” when you turn the key? Is the BATTERY dash light on? Your vehicle is in need of engine electrical system...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$10.03In Stock - Ships in 24 to 48 hrs
- Standard® - Tru-Tech™ Voltage Regulator (VR103T)Tru-Tech™ Voltage Regulator (VR103T) by Standard®. 4 Blade Terminals Connector. Do you hear nothing but “click, click” when you turn the key? Is the BATTERY dash light on? Your vehicle is in need of engine electrical system...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$44.90In Stock - Ships within 24 hrs
- Standard® - Voltage Regulator (VR-101)Voltage Regulator (VR-101) by Standard®. Alternator Equipped. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$43.08In Stock - Ships within 24 hrs
- Standard® - Voltage Regulator (VR-166)Voltage Regulator (VR-166) by Standard®. Electronic. Position: External. Electronic. Can Replace Mechanical Unit. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products,...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$37.85In Stock - Ships within 24 hrs
- Standard® - Voltage Regulator (VR-103)Voltage Regulator (VR-103) by Standard®. Mechanical. Without Transistorized Regulator. Position: External. 4 Terminals. Terminal Type: Blade. With Light. Alternator Equipped. Standard is to be the leading independent supplier to the...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$55.88In Stock - Ships within 24 hrs
- Standard® - Voltage Regulator (VR-8)Voltage Regulator (VR-8) by Standard®. Alternator Equipped. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$98.06In Stock - Ships within 24 hrs
- Standard® - Voltage Regulator (VR-22)Voltage Regulator (VR-22) by Standard®. With Ball Bearing Comutater End. Include Regulator. Includes Regulator. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products,...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$67.11In Stock - Ships within 24 hrs
- Standard® - Voltage Regulator (VR-20)Voltage Regulator (VR-20) by Standard®. Include Bracket. Includes Bracket. Alternator Equipped. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$69.74In Stock - Ships within 24 hrs
- Standard® - Voltage Regulator (VR-30)Voltage Regulator (VR-30) by Standard®. Standard 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$101.40In Stock - Ships within 24 hrs
- Standard® - Voltage Regulator (VR-18)Voltage Regulator (VR-18) by Standard®. Standard 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$91.45In Stock - Ships within 24 hrs
- Standard® - Voltage Regulator (VR-106)Voltage Regulator (VR-106) by Standard®. 2 Blade Terminals Connector. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$74.81In Stock - Ships within 24 hrs
- Standard® - Voltage Regulator (VR-125)Voltage Regulator (VR-125) by Standard®. Standard 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$33.37In Stock - Ships within 24 hrs
- Standard® - Voltage Regulator (VR-1)Voltage Regulator (VR-1) by Standard®. Standard 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 channels...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$122.34In Stock - Ships within 24 hrs
- Standard® - Voltage Regulator (VR-111)Voltage Regulator (VR-111) by Standard®. Position: Internal. Include Regulator. 2 Blade Terminals Connector. Includes Regulator. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$13.95In Stock - Ships within 24 hrs
- Standard® - Voltage Regulator (VR-472)Voltage Regulator (VR-472) by Standard®. Include Regulator. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$37.34In Stock - Ships within 24 hrs
- Standard® - Water in Fuel Sensor (FWSS118)Water in Fuel Sensor (FWSS118) by Standard®. Location: Located in Fuel Filter. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$46.28In Stock - Ships within 24 hrs
- Standard® - Water in Fuel Sensor (FWSS117)Water in Fuel Sensor (FWSS117) by Standard®. Standard 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...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$32.51In Stock - Ships within 24 hrs
- Standard® - Water in Fuel Sensor (FWSS101)Water in Fuel Sensor by Standard®. Standard 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 channels of...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$22.81In Stock - Ships in 24 to 48 hrs
- TRQ® - 2-Piece O2 Oxygen Sensor Set (OSA61845)2-Piece O2 Oxygen Sensor Set (OSA61845) by TRQ®. TRQ oxygen sensors are manufactured to precise specifications using premium raw materials to optimize your vehicle’s emission system. Each sensor is isostatically-pressed for...Intended to bring your vehicle back to its original gloryBudget-friendly alternative to the OEM part$103.63$107.95Save $4.32 (4%)In Stock - Ships within 24 hrs
- TRQ® - Camshaft Position Sensor (ESA43027)Camshaft Position Sensor (ESA43027) by TRQ®. Replace your vehicle’s faulty cam sensor with the TRQ engine camshaft position sensor to make your engine perform as it should and bring your vehicle back to its former glory. Developed and...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$23.95$24.95Save $1.00 (4%)In Stock - Ships within 24 hrs
- TRQ® - Camshaft Position Sensor (ESA93007)Camshaft Position Sensor (ESA93007) by TRQ®. Replace your vehicle’s faulty cam sensor with the TRQ engine camshaft position sensor to make your engine perform as it should and bring your vehicle back to its former glory. Developed and...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$29.40$30.95Save $1.55 (5%)In Stock - Ships within 24 hrs
- TRQ® - Crankshaft Position Sensor (ESA43108)Crankshaft Position Sensor (ESA43108) by TRQ®. Replace your vehicle’s faulty cam sensor with the TRQ engine camshaft position sensor to make your engine perform as it should and bring your vehicle back to its former glory. Developed...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$25.87$26.95Save $1.08 (4%)In Stock - Ships within 24 hrs
- TRQ® - Crankshaft Position Sensor (ESA43119)Crankshaft Position Sensor (ESA43119) by TRQ®. Replace your vehicle’s faulty cam sensor with the TRQ engine camshaft position sensor to make your engine perform as it should and bring your vehicle back to its former glory. Developed...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$24.91$25.95Save $1.04 (4%)In Stock - Ships within 24 hrs
- TRQ® - Crankshaft Position Sensor (ESA43058)Crankshaft Position Sensor (ESA43058) by TRQ®. Replace your vehicle’s faulty cam sensor with the TRQ engine camshaft position sensor to make your engine perform as it should and bring your vehicle back to its former glory. Developed...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$25.87$26.95Save $1.08 (4%)In Stock - Ships within 24 hrs
- TRQ® - Engine Oil Pressure Switch (SWA40928)Engine Oil Pressure Switch by TRQ®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...Developed to comply with rigorous quality standardsExceptional quality at a budget-friendly price$34.51$35.95Save $1.44 (4%)In Stock - Ships within 24 hrs
- TRQ® - Engine Oil Pressure Switch (SWA40947)Engine Oil Pressure Switch (SWA40947) by TRQ®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...Developed to comply with rigorous quality standardsExceptional quality at a budget-friendly price$20.85$21.95Save $1.10 (5%)In Stock - Ships within 24 hrs
- TRQ® - Engine Oil Pressure Switch (SWA40918)Engine Oil Pressure Switch by TRQ®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...Developed to comply with rigorous quality standardsExceptional quality at a budget-friendly price$18.00$18.95Save $0.95 (5%)In Stock - Ships within 24 hrs
- TRQ® - Engine Oil Pressure Switch (SWA40913)Engine Oil Pressure Switch by TRQ®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...Developed to comply with rigorous quality standardsExceptional quality at a budget-friendly price$18.75$19.95Save $1.20 (6%)In Stock - Ships within 24 hrs
- TRQ® - Engine Oil Pressure Switch (SWA40922)Engine Oil Pressure Switch (SWA40922) by TRQ®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...Developed to comply with rigorous quality standardsExceptional quality at a budget-friendly price$18.75$19.95Save $1.20 (6%)In Stock - Ships within 24 hrs
- TRQ® - Front Driver Side Door Window Switch (SWA60001)Front Driver Side Door Window Switch (SWA60001) by TRQ®. Is your power window hesitating or stuck? It might be time to replace that window switch. This replacement will put control back at your fingertips. Designed specifically for your...Designed for an exact fit on your vehicleMatches original switch design and functionality$49.87$51.95Save $2.08 (4%)In 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.