2003 Audi A4 Ignition Relays, Sensors & Switches
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TRQ®Ignition Knock SensorAudi A4 / A4 Quattro 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...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$24.70$24.95Save $0.25 (1%) - gpd®Ignition Knock SensorAudi A4 / A4 Quattro 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 is sure to fit and...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$25.23
- Standard®Intermotor™ Ignition Knock SensorAudi A4 / A4 Quattro 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...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$48.03 - $48.43
- Beck Arnley®Ignition Knock SensorAudi A4 2003, Ignition Knock Sensor by Beck Arnley®. When investing in this superior product by Beck Arnley, expect to get the exact OEM look, function, and fit. The product was developed to stringent factory specifications and crafted...Used to detect engine knocking and to retard the ignition correspondingly in order to prevent engine damageSensor mounted near the cylinder bores in the cylinder block$43.32 - $44.57
- Facet®Ignition Knock SensorAudi A4 2003, Ignition Knock Sensor 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 processes,...The reliable goods for increase of reliability of the carQuality equal, if not superior, to that of the original components$35.78 - $39.50
- VDO®Ignition Knock SensorAudi A4 / A4 Quattro 2003, Ignition Knock Sensor by VDO®. Designed utilizing the latest technology, this product by VDO features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price$34.74 - $35.63
- Vemo®Ignition Knock SensorAudi A4 / A4 Quattro 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...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$45.69
- Dorman®OE Solutions™ Ignition SwitchAudi A4 / A4 Quattro 2003, OE Solutions™ Ignition Switch by Dorman®. An essential replacement item, Dorman's Ignition Power Switch enables your engine to turn over upon startup, restoring drivability. It also unlocks the power...This part has undergone a rigorous quality inspection to ensure high qualityIncludes bezel for a complete repair$128.04
- WVE®Ignition SwitchAudi A4 / A4 Quattro 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...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$36.81
- Febi®Ignition SwitchAudi A4 / A4 Quattro 2003, Ignition Switch by Febi®. 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$16.64
- Vemo®Ignition SwitchAudi A4 / A4 Quattro 2003, Ignition Switch 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...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$23.47
- Walker Products®Ignition Knock SensorAudi A4 / A4 Quattro 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...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$47.53 - $49.98
- WVE®Ignition Knock SensorAudi A4 / A4 Quattro 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...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$78.24 - $89.48
- Meyle®Ignition SwitchAudi A4 / A4 Quattro 2003, Ignition Switch by Meyle®. 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$20.74
- Original Equipment®Ignition SwitchAudi A4 / A4 Quattro 2003, Ignition Switch by Original Equipment®. Looking for high-quality replacement parts to restore the performance of your vehicle? Then Original Equipment automotive parts are for you. They are manufactured from...Perfect replacement for your damaged or worn out original partMade using high-grade materials for long-lasting dependability$21.95
- TruParts®Ignition SwitchAudi A4 / A4 Quattro 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 sure to fit and...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$13.15
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