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® - Front Passenger Side Door Jamb Switch (DS-278)Front Passenger Side Door Jamb Switch (DS-278) by Standard®. Connector Type: Female Connector. Terminals Type: 3 Cylindrical Tube Female Terminals. SMP’s vision is to be the leading independent supplier to the automotive aftermarket,...Each Door Jamb Switch is a direct-fit OE replacement that ensures ease of installationHigh-quality materials withstand extreme conditions$13.12In Stock - Ships within 24 hrs
- Standard® - Front Passenger Side Door Lock Actuator (DLA1035)Front Passenger Side Door Lock Actuator (DLA1035) by Standard®. With Latch. Connector Type: 1 Oval Female Connector. Terminals Type: 4 Blade Male Terminals. SMP’s vision is to be the leading independent supplier to the automotive...High quality at an affordable priceExpertly made from premium materials$76.71In Stock - Ships within 24 hrs
- Standard® - Front Passenger Side Door Lock Actuator (DLA987)Front Passenger Side Door Lock Actuator (DLA987) by Standard®. Connector Type: Oval Female Connector. Terminals Type: 4 Blade Male Terminals. SMP’s vision is to be the leading independent supplier to the automotive aftermarket,...High quality at an affordable priceExpertly made from premium materials$79.11In Stock - Ships within 24 hrs
- Standard® - Rear Door Jamb Switch (DS-173)Rear Door Jamb Switch (DS-173) by Standard®. Connector Type: Female Connector. Terminals Type: 1 Button Male Terminal. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality...Each Door Jamb Switch is a direct-fit OE replacement that ensures ease of installationHigh-quality materials withstand extreme conditions$6.68In Stock - Ships within 24 hrs
- Standard® - Rear Passenger Side Door Lock Actuator (DLA997)Rear Passenger Side Door Lock Actuator (DLA997) by Standard®. Connector Type: Oval Female Connector. Terminals Type: 4 Blade Male Terminals. SMP’s vision is to be the leading independent supplier to the automotive aftermarket,...High quality at an affordable priceExpertly made from premium materials$83.76In Stock - Ships within 24 hrs
- Standard® - Tru-Tech™ Front Driver Side Door Jamb Switch (DS173T)Tru-Tech™ Front Driver Side Door Jamb Switch (DS173T) by Standard®. Connector Type: Female Connector. Terminals Type: 1 Button Male Terminal. SMP’s vision is to be the leading independent supplier to the automotive aftermarket,...Each Door Jamb Switch is a direct-fit OE replacement that ensures ease of installationHigh-quality materials withstand extreme conditions$5.15In Stock - Ships within 24 hrs
- Standard® - Tru-Tech™ Front Driver Side Door Jamb Switch (DS278T)Tru-Tech™ Front Driver Side Door Jamb Switch (DS278T) by Standard®. Connector Type: Male Connector. Terminals Type: 3 Cylindrical Tube Female Terminals. SMP’s vision is to be the leading independent supplier to the automotive...Each Door Jamb Switch is a direct-fit OE replacement that ensures ease of installationHigh-quality materials withstand extreme conditions$7.18In Stock - Ships within 24 hrs
- TRQ® - Alternator (ALA90109)Alternator (ALA90109) 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...Intended to bring your vehicle back to its original gloryBudget-friendly alternative to the OEM part$149.71$155.95Save $6.24 (4%)In Stock - Ships within 24 hrs
- TRQ® - Alternator (ALA90111)Alternator (ALA90111) 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...Intended to bring your vehicle back to its original gloryBudget-friendly alternative to the OEM part$142.99$148.95Save $5.96 (4%)In Stock - Ships within 24 hrs
- TRQ® - Alternator (ALA90132)Alternator 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 materials using...Intended to bring your vehicle back to its original gloryBudget-friendly alternative to the OEM part$147.79$153.95Save $6.16 (4%)In Stock - Ships within 24 hrs
- TRQ® - Alternator (ALA92929)Alternator (ALA92929) by TRQ®. Current: 180 Amp. With 6 Groove Serpentine Pulley. Voltage: 12V. The reliable TRQ alternator is right what the doctor ordered to optimally power up your vehicle’s engine battery and other electrical...Intended to bring your vehicle back to its original gloryBudget-friendly alternative to the OEM part$166.20$174.95Save $8.75 (5%)In Stock - Ships within 24 hrs
- TRQ® - Door Jamb Switch (SWA41711)Door Jamb Switch by TRQ®. Tired of your interior lights staying on or not turning on at all when you open your car door? A faulty door jamb switch is likely the problem. This replacement is what you need to ensure your interior lights...Direct fit for your vehicleRestores automatic light function$17.23$17.95Save $0.72 (4%)In Stock - Ships within 24 hrs
- TRQ® - Rear Passenger Side Door Check (BDA06848)Rear Passenger Side Door Check (BDA06848) by TRQ®. Dealing with a door that won’t stay open or slams shut too easily? This door check will restore that controlled, secure door operation. Engineered to fit your specific vehicle, it...Direct replacementMatches OEM specs for perfect fit and function$28.45$29.95Save $1.50 (5%)In Stock - Ships within 24 hrs
- WVE® - Alternator Diode Trio (2D3001)Alternator Diode Trio (2D3001) 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$6.48In Stock - Ships within 24 hrs
- WVE® - Front Door Jamb Switch (1S4747)Front Door Jamb Switch (1S4747) by WVE®. With 3/4" Mounting Holes. Connector Type: 1 Male Round Connector. Terminals Type: 2 Pin Female Terminals. Replace your worn-out or faulty component with this quality replacement from WVE. This...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$12.15In Stock - Ships within 24 hrs
- WVE® - Front Door Jamb Switch (1S4582)Front Door Jamb Switch (1S4582) by WVE®. Connector Type: 1 Rectangular Female Connector. Terminals Type: 3 Blade Male Terminals. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$5.11In Stock - Ships within 24 hrs
- WVE® - Front Door Jamb Switch (1S1016)Front Door Jamb Switch (1S1016) by WVE®. With 3/8in-24 Threads. Connector Type: 1 Round Female Connector. Terminals Type: 1 Pin Female Terminal. Replace your worn-out or faulty component with this quality replacement from WVE. This...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$5.62In Stock - Ships within 24 hrs
- ACDelco® - Professional™ Belt Installation Tool (91024)Professional™ Belt Installation Tool by ACDelco®. ACDelco Professional Alternator Pulley Tool Kit contains high quality aftermarket replacement components for one or more of the following vehicle systems: cooling, hvac, and/or...Professional, premium aftermarket replacementProvides the performance and dependability you expect from ACDelco$144.98In Stock - Ships within 24 hrs
- BBB Industries® - Premium™ Remanufactured Alternator (7505)Premium™ Remanufactured Alternator (7505) by BBB Industries®. Current: 60 Amp. With 2-V Groove Pulley. Internal Fan. Plug Position: 12:00 O'Clock. Voltage Regulator: External. Rotation: Clockwise. Voltage: 12V. Designed utilizing the...Developed with modern technology and innovationMeticulously Tested for the ultimate in quality$79.74In Stock - Ships within 24 hrs
- BBB Industries® - Premium™ Remanufactured Alternator (11378)Premium™ Remanufactured Alternator (11378) by BBB Industries®. Current: 160 Amp. With 8 Groove Serpentine Clutch Pulley. Internal Fan. Plug Position: 10:00 O'Clock. Voltage Regulator: External. Rotation: Clockwise. Voltage: 12V....Developed with modern technology and innovationMeticulously Tested for the ultimate in quality$151.83In Stock - Ships within 24 hrs
- BBB Industries® - Premium™ Remanufactured Alternator (7024)Premium™ Remanufactured Alternator (7024) by BBB Industries®. Current: 60 Amp. With 1-V Groove Pulley. Internal Fan. Plug Position: 12:00 O'Clock. Voltage Regulator: External. Rotation: Clockwise. Voltage: 12V. Designed utilizing the...Developed with modern technology and innovationMeticulously Tested for the ultimate in quality$81.20In Stock - Ships within 24 hrs
- BBB Industries® - Premium™ Remanufactured Alternator (11379)Premium™ Remanufactured Alternator (11379) by BBB Industries®. Current: 220 Amp. With 8 Groove Serpentine Clutch Pulley. Internal Fan. Plug Position: 10:00 O'Clock. Voltage Regulator: External. Rotation: Clockwise. Voltage: 12V....Developed with modern technology and innovationMeticulously Tested for the ultimate in quality$207.97In Stock - Ships within 24 hrs
- BBB Industries® - Premium™ Remanufactured Alternator (7078)Premium™ Remanufactured Alternator (7078) by BBB Industries®. Current: 60 Amp. With 1-V Groove Pulley. External Fan. Plug Position: 7:00 O'Clock. Voltage Regulator: External. Voltage: 12V. Designed utilizing the latest technology,...Developed with modern technology and innovationMeticulously Tested for the ultimate in quality$77.79In Stock - Ships within 24 hrs
- BBB Industries® - Remanufactured Alternator (42072)Remanufactured Alternator (42072) by BBB Industries®. Current: 220 Amp. Internal Fan. Plug Position: 7:00 O'Clock. Voltage Regulator: External. Rotation: Clockwise. Voltage: 12V. Do you hear nothing but "click, click" when you turn the...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$284.51In Stock - Ships within 24 hrs
- BBB Industries® - Remanufactured Alternator (11755)Remanufactured Alternator (11755) by BBB Industries®. Current: 220 Amp. Internal Fan. Plug Position: 7:00 O'Clock. Voltage Regulator: External. Rotation: Clockwise. Voltage: 12V. Do you hear nothing but "click, click" when you turn the...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$323.55In Stock - Ships within 24 hrs
- BBB Industries® - Remanufactured Alternator (11477)Remanufactured Alternator (11477) by BBB Industries®. Current: 180 Amp. Internal Fan. Plug Position: 9:00 O'Clock. Voltage Regulator: External. Rotation: Clockwise. Voltage: 12V. Do you hear nothing but "click, click" when you turn the...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$282.85In Stock - Ships within 24 hrs
- BBB Industries® - Remanufactured Alternator (11443)Remanufactured Alternator (11443) by BBB Industries®. Current: 180 Amp. Internal Fan. Plug Position: 9:00 O'Clock. Voltage Regulator: External. Rotation: Clockwise. Voltage: 12V. Do you hear nothing but "click, click" when you turn the...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$170.35In Stock - Ships within 24 hrs
- BBB Industries® - Remanufactured Alternator (7509)Remanufactured Alternator by BBB Industries®. Current: 60 Amp. With 2-V Groove Pulley. Internal Fan. Plug Position: 12:00 O'Clock. Voltage Regulator: External. Rotation: Clockwise. Voltage: 12V. Do you hear nothing but "click, click"...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$68.53In Stock - Ships within 24 hrs
- Bosch® - Alternator (AL9960LH)Alternator (AL9960LH) by Bosch®. Current: 160 Amp. Without Pulley. Internal Fan. Plug Position: 12:00 O'Clock. Voltage Regulator: Internal. Rotation: Clockwise. Voltage: 12V. If your factory alternator is defective and you need a spare...100% exhaustive multipoint quality and performance testingEnsures cranking and starting performance under all temperature extremes$265.65In Stock - Ships within 24 hrs
- Bosch® - Alternator (AL9972N)Alternator (AL9972N) by Bosch®. Current: 120 Amp. Without Pulley. External Fan. Plug Position: 9:00 O'Clock. Voltage Regulator: Internal. Rotation: Clockwise. Voltage: 12V. If your factory alternator is defective and you need a spare...100% exhaustive multipoint quality and performance testingEnsures cranking and starting performance under all temperature extremes$371.24In 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.