2003 Ford Focus Ignition Relays, Sensors & Switches
Select Your Submodel
-
TRQ®Ignition Knock SensorFord Focus 2003, Ignition Knock Sensor by TRQ®. Don't wait and replace your faulty ignition knock (detonation) sensor that’s your first line of alert in the event of your engine is experiencing detonation problems. This cost-efficient...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$22.95 - $30.95Save: up to 6%$22.03 - $29.09 - Delphi®Ignition Knock SensorFord Focus 2003, Ignition Knock Sensor by Delphi®. Manufactured to meet or exceed OE requirements. Delphi Knock Sensors help maximize engine performance with all fuels. Delphi Knock Sensors prevent engine damage from pre-ignition knocking.Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$28.97
- NTK®Ignition Knock SensorFord Focus 2003, Ignition Knock Sensor by NTK®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE specifications, it is sure to fit and function...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$28.44 - $35.84
- Standard®Ignition Knock SensorFord Focus 2.0L 2003, Ignition Knock Sensor by Standard®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE specifications, it is sure to fit and...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$30.53 - $34.69
- Walker Products®Ignition Knock SensorFord Focus 2003, Ignition Knock Sensor by Walker Products®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE specifications, it is sure to fit...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$26.84 - $33.63
- Standard®Intermotor™ Ignition Knock SensorFord Focus 2003, Intermotor™ Ignition Knock Sensor by Standard®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE specifications, it is sure...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$30.83
- WVE®Ignition Knock SensorFord Focus 2003, Ignition Knock Sensor 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$26.83 - $65.37
- WVE®Ignition SwitchFord Focus 2003, Ignition 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$13.05 - $24.45
- Original Engine Management®Ignition SwitchFord Focus 2003, Ignition Switch by Original Engine Management®. OEM offers the highest quality parts available. With vehicle systems becoming more and more complex, electronic components and sensors must be manufactured to precise...Made to deliver trouble-free operation for years aheadManufactured with cutting-edge technology$30.36
- Motorcraft®Ignition Knock Sensor ConnectorFord Focus 2.0L 2003, Ignition Knock Sensor Connector by Motorcraft®. Motorcraft is the way to restore the performance of your vehicle. Designed specifically for your vehicle, Motorcraft products meet stringent Ford Motor Company...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$42.43
- Motorcraft®Ignition and Radio Capacitor ConnectorFord Focus 2.0L 2003, Ignition and Radio Capacitor Connector by Motorcraft®. Motorcraft is the way to restore the performance of your vehicle. Designed specifically for your vehicle, Motorcraft products meet stringent Ford Motor Company...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$45.76
- Standard®Tru-Tech™ Ignition SwitchFord Focus Automatic Transmission 2003, Tru-Tech™ Ignition Switch by Standard®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$27.75
- WVE®Ignition Knock Sensor ConnectorFord Focus 2.0L 2003, Ignition Knock Sensor Connector 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$56.18
- WVE®Ignition and Radio Capacitor ConnectorFord Focus 2003, Ignition and Radio Capacitor Connector 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$34.39
- MotoRad®Ignition Knock SensorFord Focus 2003, Ignition Knock Sensor by MotoRad®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE specifications, it is sure to fit and...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$38.09
- gpd®Ignition Knock SensorFord Focus 2.0L 3 Engine VIN Character 2003, Ignition Knock Sensor by gpd®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE specifications, it...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$27.12
- Ramco®Ignition Knock Detonation SensorFord Focus 2003, Ignition Knock Detonation Sensor by Ramco®. Connector Shape: Rectangular. Nipple Orientation: Straight. Dimensions: 3.6" x 3" x 3". Ramco Automotive Knock sensors are engineered to properly respond to engine knocks...100% tested to meet OE specifications plus an extended RABS vibration testing to ensure proper operation and accurate sensor outputManufactured using high quality materials for extended life cycle$19.93
- TruParts®Ignition Knock SensorFord Focus 2003, Ignition Knock Sensor by TruParts®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE specifications, it is sure to fit and...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$25.11
- Vemo®Ignition Knock SensorFord Focus 2003, Ignition Knock Sensor by Vemo®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE specifications, it is sure to fit and function...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$38.87
- ReplacementIgnition SwitchFord Focus LX / SE / ZTS / ZTW / ZX3 / ZX5 2.0L / 2.3L Transmission 2003, Ignition Switch by Replacement. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with...Expertly crafted from premium materialsDesigned to match rigorous quality standardsCall for Pricing
- TruParts®Ignition SwitchFord Focus Automatic Transmission 2003, Ignition Switch by TruParts®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE specifications, it is...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$34.62
- Holstein®Ignition Knock SensorFord Focus 2003, Ignition Knock Sensor by Holstein®. The Knock Sensor is able to detect mechanical stress and produces a voltage when the car knocks or pings. Under heavy acceleration, it sends signals to the ECU and the ECU retards the...Holstein utilizes only premium materials to ensure durability and reliable serviceGlobal coverage of European, Asian, and Domestic vehicles$27.14 - $30.20
Shop By Service Type
Popular Products
2003 Ford Focus Models
Related Searches