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
- ACDelco®GM Original Equipment™ Alternator (93441576)GM Original Equipment™ Alternator (93441576) by ACDelco®. Current: 105 Amp. With 6 Groove Serpentine Pulley. Pulley Size: 57 mm. Internal Fan. Plug Position: 12:00 O'Clock. Voltage Regulator: Internal. Rotation: Clockwise. Voltage:...New units are manufactured under the guidelines of ISO Quality Standards to ensure consistent qualityAll components are 100% new to provide improved performance and long-life reliability$284.22
- ACDelco®GM Original Equipment™ Remanufactured Alternator (321-2109)GM Original Equipment™ Remanufactured Alternator (321-2109) by ACDelco®. Current: 105 Amp. With 7 Groove Serpentine Pulley. Pulley Size: 62 mm. Internal Fan. Plug Position: 10:00 O'Clock. Voltage Regulator: Internal. Rotation:...Remanufactured – Units are remanufactured to stringent specifications, not rebuiltTop-selling part numbers include 100% new solenoid$301.26
- ACDelco®Professional™ Alternator (335-1124)Professional™ Alternator (335-1124) by ACDelco®. Current: 85 Amp. With 6 Groove Serpentine Pulley. Pulley Size: 61 mm. Internal Fan. Plug Position: 10:00 O'Clock. Voltage Regulator: Internal. Rotation: Clockwise. Thoroughly tested and...New units are manufactured under the guidelines of ISO Quality Standards to ensure consistent quality.All components are 100% new to provide improved performance and long-life reliability.$126.43
- ACDelco®Professional™ Alternator Diode (U3901)Professional™ Alternator Diode (U3901) by ACDelco®. Positive. This superior product was elaborately designed and meticulously manufactured to stringent industry standards to have the most precise OE specifications. It fits and...Designed in compliance with rigorous factory standardsHigh level of quality, ultimate reliability, and solid value$10.72
- ACDelco®Professional™ Alternator Diode (C3909)Professional™ Alternator Diode (C3909) by ACDelco®. This superior product was elaborately designed and meticulously manufactured to stringent industry standards to have the most precise OE specifications. It fits and functions like...Designed in compliance with rigorous factory standardsHigh level of quality, ultimate reliability, and solid value$34.18
- ACDelco®Professional™ Alternator Diode (U3900)Professional™ Alternator Diode (U3900) by ACDelco®. Negative. This superior product was elaborately designed and meticulously manufactured to stringent industry standards to have the most precise OE specifications. It fits and...Designed in compliance with rigorous factory standardsHigh level of quality, ultimate reliability, and solid value$14.21
- ACDelco®Professional™ Alternator Rectifier Bridge (U3902)Professional™ Alternator Rectifier Bridge by ACDelco®. This superior product was elaborately designed and meticulously manufactured to stringent industry standards to have the most precise OE specifications. It fits and functions like...Designed in compliance with rigorous factory standardsHigh level of quality, ultimate reliability, and solid value$72.14
- ACDelco®Professional™ Starter Brush Set (C721)Professional™ Starter Brush Set (C721) by ACDelco®. This superior product was elaborately designed and meticulously manufactured to stringent industry standards to have the most precise OE specifications. It fits and functions like...Designed in compliance with rigorous factory standardsHigh level of quality, ultimate reliability, and solid value$4.86
- ACDelco®Professional™ Starter Solenoid (D977A)Professional™ Starter Solenoid by ACDelco®. Finish: Zinc. This superior product was elaborately designed and meticulously manufactured to stringent industry standards to have the most precise OE specifications. It fits and functions...Designed in compliance with rigorous factory standardsHigh level of quality, ultimate reliability, and solid value$116.80
- Motorcraft®Remanufactured Starter (SA1007RM)Remanufactured Starter (SA1007RM) by Motorcraft®. This superior product was elaborately designed and meticulously manufactured to stringent industry standards to have the most precise OE specifications. It fits and functions like the...Recommended for one- to three-year-old vehiclesDesigned to provide 50,000 cranks$529.95
- Standard®Alternator Brush Set (RX-146)Alternator Brush Set 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...Elaborately designed to provide just enough powerIdentical in specifications to the factory alternator parts$32.46
- Standard®Alternator Brush Set (RX-148)Alternator Brush Set 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...Elaborately designed to provide just enough powerIdentical in specifications to the factory alternator parts$9.34
- Standard®Alternator Brush Set (FX-67)Alternator Brush Set 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 to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$17.28
- Standard®Alternator Brush Set (CX-1T)Alternator Brush Set (CX-1T) 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...Elaborately designed to provide just enough powerIdentical in specifications to the factory alternator parts$9.19
- Standard®Alternator Diode (D-72)Alternator Diode (D-72) 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$36.32
- Standard®Alternator Diode (D-71)Alternator Diode (D-71) by Standard®. Voltage: 12V. 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$136.85
- Standard®Alternator Diode (D-1N)Alternator Diode (D-1N) by Standard®. Negative. 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$10.75
- Standard®Alternator Diode (D-2N)Alternator Diode (D-2N) 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$19.43
- Standard®Alternator Diode (D-20)Alternator Diode (D-20) 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$35.61
- Standard®Alternator Drive End Bearing (X-5455)Alternator Drive End Bearing (X-5455) 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$15.41
- Standard®Starter Brush Set (RX-69A)Starter Brush Set (RX-69A) 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$6.89
- Standard®Starter Brush Set (RX-87)Starter Brush Set (RX-87) by Standard®. Voltage: 12V. 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$6.79
- Standard®Starter Brush Set (RX-95)Starter Brush Set (RX-95) 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$5.44
- Standard®Starter Brush Set (RX-128)Starter Brush Set (RX-128) 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$10.83
- Standard®Starter Brush Set (FX-63)Starter Brush Set (FX-63) 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$13.03
- Standard®Starter Bushing (X-5433)Starter Bushing 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 to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$6.33
- Standard®Starter Drive (SDN-67)Starter Drive (SDN-67) by Standard®. 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 repair, but before you waste your time and gas...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$57.72
- Standard®Starter Drive (SDN-19)Starter Drive (SDN-19) by Standard®. 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 repair, but before you waste your time and gas...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$137.67
- Standard®Starter Drive (SDN-18A)Starter Drive (SDN-18A) by Standard®. 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 repair, but before you waste your time and gas...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$105.95
- Standard®Starter Drive (SDN-291)Starter Drive by Standard®. 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 repair, but before you waste your time and gas running out...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$125.02
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.