2003 Honda Civic Si Electrical Parts
- Light Switches
- Light Relays + Sensors
- Fuses
- Wiring & Cables
- Replacement Gauges
- Power + Heated Seats
- Cruise Control
- Horns
- Door Lock Actuators + Switches
- Sunroof + Convertible Top Motors
- 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
- Solenoids, Sensors, Switches, Control Units
- Relays, Cables & Connectors
- Brake System Sensors
- Steering Valves, Relays & Sensors
- Mass Air Flow Sensors
-
WVE®Turn Signal SwitchHonda Civic Si 2003, 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 meet...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$33.22 - WVE®Fuel Pump RelayHonda Civic Si with 5 Terminals, Mitsuba Relay 2003, Fuel Pump 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...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$19.16
- Genuine®Brake Light SwitchHonda Civic Si 2003, Brake 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 parts from the local auto parts chain...Designed to restore your vehicle’s electrical systemGenuine OE replacement parts from the OE manufacturer$15.49
- WVE®Headlight SwitchHonda Civic Si 2003, 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 meet or...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$33.22
- WVE®Brake Light SwitchHonda Civic Si / Civic SiR 2003, Brake 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....Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$5.82
- Vemo®Brake Light SwitchHonda Civic Si 2003, Brake Light Switch by Vemo®. 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 electrical parts manufactured to...High quality at an affordable priceExpertly made from premium materials$12.96
- Facet®Brake Light SwitchHonda Civic Si 2.0L 2003, Brake Light Switch by Facet®. Facet products are designed, manufactured, and tested internally and the external works are entrusted to selected partners that operate in an integrated manner with Facet...The reliable goods for increase of reliability of the carQuality equal, if not superior, to that of the original components$14.31 - $16.71
- WVE®Cruise Control SwitchHonda Civic Si 2003, Cruise Control 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$41.27 - $87.30
- WVE®Back Up Light SwitchHonda Civic Si 2003, Back Up Light Switch by WVE®. With Black Connector. 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...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$26.79
- WVE®Dimmer SwitchHonda Civic Si 2003, Dimmer Switch by WVE®. Location: Column Mounted. 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...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$33.22
- Genuine®Front Exterior Light Bulb SocketHonda Civic Si Sedan 2003, Exterior Light Bulb Socket by Genuine®. Front. Location: Headlight. 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$40.42
- Genuine®Passenger Side Multi Purpose RelayHonda Civic Si Sedan 2003, Multi Purpose Relay by Genuine®. Passenger Side. Location: Behind The Instrument Panel. If your engine parts is in need of repair, don’t compromise the performance and safety of your car with suspect,...OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price$57.44
- WVE®Combination SwitchHonda Civic Si 2003, 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 meet...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$33.22
- Facet®Back-Up Light SwitchHonda Civic Si 2.0L 2003, Back-Up Light Switch by Facet®. Facet products are designed, manufactured, and tested internally and the external works are entrusted to selected partners that operate in an integrated manner with Facet...The reliable goods for increase of reliability of the carQuality equal, if not superior, to that of the original components$21.69
- Dorman®Conduct-Tite™ High Temperature Headlight Standard SocketHonda Civic Si / Civic SiR 2.0L with High Temperature Socket 2003, Conduct-Tite™ High Temperature Headlight Standard Socket by Dorman®. Length: 7" with Wire (1" Without Wire). Make better electrical repairs and accessory installations...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$8.87
- Bosch®Premium Narrow-band Oxygen SensorHonda Civic Si / Civic SiR 2.0L 2003, Premium Narrow-band Oxygen Sensor by Bosch®. Position: Downstream. A worn-out oxygen sensor can cause engine performance problems and shorten the life of the catalytic converter. Tune-up your...OE Identical ConnectorCompact Design$76.38
- Denso®Remanufactured StarterHonda Civic Si 2.0L with Denso Starter 2003, Remanufactured Starter by Denso®. Rated Power: 1.1 kW. Rotation: Clockwise. Voltage: 12V. The original Denso gear-reduction starter is an industry benchmark, so rugged and powerful that it is...High-voltage tested armature and field coils to ensure reliable performancePremium copper terminals to ensure a clean source of electrical current$136.19
- TRQ®Downstream O2 Oxygen SensorHonda Civic Si 2.0L 2003, Downstream 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...Intended to bring your vehicle back to its original gloryBudget-friendly alternative to the OEM part$37.95Save: $1.90 (5%)$36.05
- Bosch®Remanufactured StarterHonda Civic Si 1.7L 2003, Remanufactured Starter by Bosch®. Rated Power: 0.8 kW. Rotation: Clockwise. With 9-Tooth Pinion Gear. Voltage: 12V. Bosch Professional Preferred Remanufactured Starters are built for extreme heat, cold and high...100% exhaustive multipoint quality and performance testingEnsures cranking and starting performance under extreme temperatures$103.08
- Denso®Oxygen SensorHonda Civic Si / Civic SiR 2.0L 2003, Oxygen Sensor by Denso®. Position: Downstream. Make sure your engine runs efficiently and produces fewer emissions by replacing your malfunctioning fuel-ratio sensors with these top-notch products...High quality plastic and/or steel constructionDirect replacement for a proper fit every time$38.90
- ACDelco®Gold™ Remanufactured StarterHonda Civic Si 1.7L with Nippondenso Starter 2003, Gold™ Remanufactured Starter by ACDelco®. Type: Permanent Magnet Gear Reduction. Rated Power: 0.8 kW. Rotation: Clockwise. With 9-Tooth Pinion Gear. Voltage: 12V. Designed utilizing...$137.63Save: $20.65 (15%)$116.98
- TRQ®Camshaft Position SensorHonda Civic Si 2.0L 2003, Camshaft Position Sensor 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$30.95Save: $1.86 (6%)$29.09
- gpd®Engine Coolant Temperature SensorHonda Civic Si / Civic SiR 2.0L 2003, Engine Coolant Temperature Sensor by gpd®. The electrical switch is designed to give feedback to the engine management system. The ECM controls the A/C system on modern vehicles. In earlier...Designed to meet or exceed OE fit, form, and functionDurability tested on every new design$9.38
- Walker Products®Air Charge Temperature SensorHonda Civic Si / Civic SiR 2.0L 2003, Air Charge Temperature Sensor by Walker Products®. Make sure your engine breathes properly with our selection of top-quality replacement air intake parts. These parts are made by trusted brands that...Perfect solution to keep your air intake system performing the way it was designed toCrafted from the highest grade materials for dependable, long-lasting service$30.64
- TRQ®Engine Oil Pressure SwitchHonda Civic Si 2003, 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...Developed to comply with rigorous quality standardsExceptional quality at a budget-friendly price$23.95Save: $0.96 (4%)$22.99
- Denso®Air Fuel Ratio SensorHonda Civic Si / Civic SiR 2.0L 2003, Air Fuel Ratio Sensor by Denso®. Position: Upstream. Make sure your engine runs efficiently and produces fewer emissions by replacing your malfunctioning fuel-ratio sensors with these top-notch...Designed to help reduce fuel consumption and harmful emissionsMade with the use of state-of-the-art sensor technologies$243.51
- Walker Products®Engine Coolant Temperature SensorHonda Civic Si / Civic SiR 2.0L 2003, Engine Coolant Temperature Sensor by Walker Products®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in...High quality at an affordable priceExpertly made from premium materials$37.82
- Walker Products®Premium Oxygen SensorHonda Civic Si / Civic SiR 2.0L 2003, Premium Oxygen Sensor by Walker Products®. Position: Downstream. Location: B1S2 Sensor. Walker Oxygen Sensors are precision made for outstanding performance and manufactured to meet or exceed all...Improved Engine Response & PerformanceLower Emissions$47.08
- NTK®Oxygen SensorHonda Civic Si / Civic SiR 2.0L 2003, Oxygen Sensor by NTK®. Position: Downstream. Location: B1S2. Thimble type sensors feature a ceramic element that projects into the exhaust system and becomes electrically conductive at high...Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement$37.50
- Denso®Crankshaft Position SensorHonda Civic Si 2.0L 2003, Crankshaft Position Sensor by Denso®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability....Compliant with the strictest standards for qualityExpertly crafted using the up-to-date technology$98.84
Shop By Service Type
Popular Products
2003 Honda Civic Si Electrical Reviews
1 review
Cycling Clutch Sensor
Supercool® - Cycling Pressure SwitchPosted by Jose Manuel (Katy, TX) / June 16, 20201992 Hyundai Sonata
2003 Honda Civic Si Models
Popular Searches