2018 Honda Civic Si Electrical Parts
- Light Switches
- Light Relays + Sensors
- Fuses
- Air Bag Parts
- Wiring & Cables
- Replacement Gauges
- Power + Heated Seats
- Cruise Control
- Horns
- Window Motors + Switches
- Alternators
- Starters
- Batteries
- Voltage Regulators
- A/C Relays, Sensors
- Fuel Sensors & Switches
- Cooling System Switches, Sensors & Relays
- Oxygen Sensors
- Engine Sensors, Relays, Switches & Connectors
- Relays, Cables & Connectors
- Brake System Sensors
- Steering Valves, Relays & Sensors
- Mass Air Flow Sensors
- WVE®Turn Signal SwitchHonda Civic Si Coupe 2018, Turn Signal Switch 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...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$58.60
- Original (OEM)Electrical PartsYour vehicle is a complex mechanism that consists of thousands of components, each having a specific function but all working in coordination to guarantee a safe and comfortable ride. When it comes to electrical components, their...
- WVE®Headlight SwitchHonda Civic Si Coupe 2018, Headlight Switch 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...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$58.60
- WVE®Dimmer SwitchHonda Civic Si Coupe 2018, Dimmer Switch 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$58.60
- WVE®Combination SwitchHonda Civic Si Coupe 2018, Combination Switch 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...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$58.60
- Genuine®Stop Light SwitchHonda Civic Si With 36750-T2A-A01 / With 36750-T2A-A02 2018, Stop Light Switch by Genuine®. If your electrical parts are in need of repair, don’t compromise the performance and safety of your car with suspect, off-brand replacement...Designed to restore your vehicle’s electrical systemGenuine OE replacement parts from the OE manufacturer$21.50
- WVE®Fog Light SwitchHonda Civic Si Coupe 2018, Fog Light Switch 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...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$58.60
- Honda OERestraint Systems - Air Bag Components (Modules & Sensors), (Coupe)Honda Civic Si 2018, Restraint Systems - Air Bag Components (Modules & Sensors) by Honda OE. Keep your vehicle running longer and looking brand-new with factory-grade OEM Honda parts. These parts are made for your specific year, make,...Genuine Honda OEM part that fits your specific vehicle perfectlyMade to factory specifications to ensure an original look and function$499.58 - $499.74
- Honda OEFront Bumper & Grille - Electrical ComponentsHonda Civic Si 2018, Front Bumper & Grille - Electrical Components by Honda OE. Keep your vehicle running longer and looking brand-new with factory-grade OEM Honda parts. These parts are made for your specific year, make, and model,...Genuine Honda OEM part that fits your specific vehicle perfectlyMade to factory specifications to ensure an original look and function$59.79
- TRQ®Upstream O2 Oxygen SensorHonda Civic Si 2018, Upstream O2 Oxygen Sensor 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$71.95Save: $3.60 (5%)$68.35
- Honda OEEngine / Transaxle - Air IntakeHonda Civic Si 2018, Engine / Transaxle - Air Intake by Honda OE. Keep your vehicle running longer and looking brand-new with factory-grade OEM Honda parts. These parts are made for your specific year, make, and model, which means...Genuine Honda OEM part that fits your specific vehicle perfectlyMade to factory specifications to ensure an original look and function$30.66 - $124.80
- Honda OECooling - Radiator & ComponentsHonda Civic Si 2018, Cooling - Radiator & Components by Honda OE. Keep your vehicle running longer and looking brand-new with factory-grade OEM Honda parts. These parts are made for your specific year, make, and model, which means...Genuine Honda OEM part that fits your specific vehicle perfectlyMade to factory specifications to ensure an original look and function$3.79 - $274.88
- TYC®AlternatorHonda Civic Si with Nippondenso Alternator 2018, Alternator by TYC®. Current: 130 Amp. With 7 Serpentine Decoupler Pulley. Rotation: Clockwise. The alternator is one of the parts you want to function properly, otherwise all the comforts...100% New unit inside and out (No recycled components) ensure longer term useOE quality at an affordable price$197.71
- Delphi®Mass Air Flow SensorHonda Civic Si 2018, Black Mass Air Flow Sensor by Delphi®. When it comes to MAF sensors, communication with the ECM is key. That’s why Delphi MAF sensors use all new parts - never remanufactured parts that could harbor debris and...Extensive coverageManufactured to meet or exceed OE requirements and testing$140.23
- Honda OEElectrical - BatteryHonda Civic Si 2018, Electrical - Battery by Honda OE. Keep your vehicle running longer and looking brand-new with factory-grade OEM Honda parts. These parts are made for your specific year, make, and model, which means there’s no...Genuine Honda OEM part that fits your specific vehicle perfectlyMade to factory specifications to ensure an original look and function$18.56 - $120.71
- Hitachi®Camshaft Position SensorHonda Civic Si 2018, Camshaft Position Sensor by Hitachi®. By determining camshaft position, this sensor allows the computer to maintain effective fuel injection timing and ignition timing control for optimal engine performance. It is...Meets or exceeds OE specificationsEngineered for dependable and long-lasting performance$32.54
- Honda OEElectrical - AlternatorHonda Civic Si 2018, Electrical - Alternator by Honda OE. Keep your vehicle running longer and looking brand-new with factory-grade OEM Honda parts. These parts are made for your specific year, make, and model, which means there’s no...Genuine Honda OEM part that fits your specific vehicle perfectlyMade to factory specifications to ensure an original look and function$95.87 - $569.66
- Honda OECooling - Water PumpHonda Civic Si 2018, Cooling - Water Pump by Honda OE. Keep your vehicle running longer and looking brand-new with factory-grade OEM Honda parts. These parts are made for your specific year, make, and model, which means there’s no...Genuine Honda OEM part that fits your specific vehicle perfectlyMade to factory specifications to ensure an original look and function$3.79 - $122.89
- Painless Performance®Headlight SwitchHeadlight Switch by Painless Performance®. 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...High quality at an affordable priceExpertly made from premium materials$27.99 - $50.99
- Painless Performance®Low Pressure Brake Switch with PigtailLow Pressure Brake Switch with Pigtail by Painless Performance®. 1/8" 27 pipe thread fitting. Closing pressure 55-120 psi. Looking to maintain the top condition of your electrical system? They are ready to help you! Just choose from...High quality at an affordable priceExpertly made from premium materials$15.99
- Painless Performance®Pressure Brake Light SwitchPressure Brake Light Switch by Painless Performance®. 1/8" 27 Pipe thread fitting. Closing pressure 55-120 psi. Looking to maintain the top condition of your electrical system? They are ready to help you! Just choose from their immense...High quality at an affordable priceExpertly made from premium materials$12.44
- Dorman®Help™ Speedometer CableHelp™ Speedometer Cable by Dorman®. A crucial component for accurate speedometer reading, Dorman’s Speedometer Cable is designed for long-lasting reliability. It’s constructed of high-quality steel with a metal core, and encased...Top-grade fuel system upgrade that will take your driving to the next levelDesigned to help you maximize your vehicle’s fuel system efficiency$6.15 - $8.76
- Dorman®OE Solutions™ Seat Heater Pad AssemblyOE Solutions™ Seat Heater Pad Assembly by Dorman®. Material: Carbon Fiber. Packaging Type: Box. Quantity: 1 Piece. Seat Type: Kit. On our website we offer a huge assortment of high-quality Dorman replacement parts that fit just like...Universal upgrade - this seat heater kit is designed to be seamlessly installed on any vehicle, under any type of upholsteryComplete kit - comes with everything needed for installation on one seat, including bottom and back pads, hog rings, pliers, switch, wiring harness and instructions$48.18
- Performance Tool®ATO Fuse KitATO Fuse Kit by Performance Tool®. Fuse Type: Fuse Kit. Quantity: 120 Pieces. Looking to maintain the top condition of your electrical system? We are ready to help you! Just choose from our immense selection of premium replacement...Only the best build qualityDesigned specifically to help you$9.32
- Bussmann®CB211 ATM Footprint Circuit BreakerUniversal CB211 ATM Footprint Circuit Breaker by Bussmann®. Quantity: 1 Breaker Per Pack. 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...Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability$2.13 - $3.96
- Bussmann®FLB Bolt-Mount FuseUniversal FLB Bolt-Mount Fuse by Bussmann®. Quantity: 1 Fuse Per Pack. 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....Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability$2.56 - $3.58
- Bussmann®FLF Male Terminal FuseUniversal FLF Male Terminal Fuse by Bussmann®. Quantity: 1 Fuse Per Pack. Used primarily in Japanese-designed vehicles for wiring harness protection. This top-grade product is expertly made in compliance with stringent industry...Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability$2.47 - $3.41
- Littelfuse®MINI™ Wide Footprint Circuit BreakerMINI™ Wide Footprint Circuit Breaker by Littelfuse®. 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...Designed to help restore the performance of your electrical systemMade from high-grade materials using the latest techniques$2.75 - $6.36
- Race Sport®OEM Factory Replacement BallastOEM Factory Replacement Ballast by Race Sport®. These individual OEM HID Replacement ballasts ensure that your vehicle's lighting is always working. This product is made of high-quality materials to serve you for years to come. Designed...Single 35W OEM D4 Style HID Replacement BallastIncludes mounting hardware$64.99 - $99.99
- RedLine LumTronix®Headlight Power Upgrade HarnessHeadlight Power Upgrade Harness by RedLine LumTronix®. Get this electrical upgrade harness kit that has two relays to take the electrical load off of your vehicle's electrical system. This harness is able to handle the amperage draw...Designed to take the load off your electrical systemGet the most out of your upgraded headlights$45.86 - $54.86
Shop By Service Type
2018 Honda Civic Si Electrical Reviews
1 review
Cycling Clutch Sensor
Supercool® - Cycling Pressure SwitchPosted by Jose Manuel (Katy, TX) / June 16, 20201992 Hyundai Sonata