2004 Audi A4 Electrical Parts
- Light Switches
- Light Relays + Sensors
- Fuses
- Air Bag Parts
- 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
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WVE®Fog Light RelayAudi A4 / A4 Quattro 2004, Fog Light Relay by WVE®. Amperage: 30 Amp. 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$5.02 - WVE®Headlight RelayAudi A4 / A4 Quattro 2004, Headlight Relay by WVE®. Amperage: 70 Amp. 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$8.77
- WVE®Multi Purpose RelayAudi A4 2004, Multi Purpose 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 functionality. Made to meet or...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$17.81
- Race Sport®OEM Factory Replacement Ballast (D1)Audi A4 2004, OEM Factory Replacement Ballast (D1) by Race Sport®. 12V 35W Factory OEM Ballast Input 9-16V Max Input Current 6.5A-88A. These individual OEM HID Replacement ballasts ensure that your vehicle's lighting is always working....Single 35W OEM D4 Style HID Replacement BallastIncludes mounting hardware$54.99
- Dorman®TECHoice™ Headlight SocketAudi A4 With H7 Bulb 2004, TECHoice™ Headlight Socket by Dorman®. High Temperature Socket. Finish: Gray. Looking to maintain the top condition of your electrical system? Dorman is ready to help you! Just choose from their immense...Durably designed for a long service lifeAlso suitable for a broad range of industrial and commercial uses$8.67
- ACDelco®Professional™ Fog Light ConnectorAudi A4 / A4 Quattro 2004, Professional™ Fog Light Connector by ACDelco®. Finish: Black. Looking to maintain the top condition of your electrical system? We are ready to help you! Just choose from their immense selection of premium...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$31.27
- WVE®Headlight High & Low Beam Light ConnectorAudi A4 / A4 Quattro With Halogen Headlights 2004, Headlight High & Low Beam Light Connector by WVE®. With 2 Terminals. With 2 Terminals. Replace your worn-out or faulty component with this quality replacement from WVE. This product is...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$10.02
- Valeo®Front High Intensity Discharge Lighting BallastAudi A4 / A4 Quattro From Chassis # 8E3281971 2004, High Intensity Discharge Lighting Ballast by Valeo®. Front. Without Bulbholder. Without Ballast. Without Leveling. When it comes to high performance efficiency, nothing beats this...High efficiency core designOEM level performance and durability$234.45
- Standard®Intermotor™ Air Bag ClockspringAudi A4 / A4 Quattro 2004, Intermotor™ Air Bag Clockspring by Standard®. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest...High quality at an affordable priceExpertly made from premium materials$641.08
- Standard®Intermotor™ Electrical ConnectorAudi A4 / A4 Quattro 1.8L 2004, Intermotor™ Electrical Connector by Standard®. For over 100 years, professional technicians have trusted Standard® to replace the failed OE part. Standard® manufacturers the highest-quality,...Each part has high-quality direct replacement electrical connector that eliminates the need for a harness, replacing only the damaged connector, for a cost effective repair solutionThe terminals are manufactured with high grade materials such as copper alloy, brass, and phosphor bronze$19.83
- WVE®Horn RelayAudi A4 / A4 Quattro 2004, Horn Relay by WVE®. Finish: Black. Shape: Square. 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$5.02
- Vemo®Headlight Level SensorAudi A4 2004, Headlight Level Sensor 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...Premium parts you can rely onDesigned to restore functionality$255.93 - $295.88
- Standard®Handypack™ Headlight Wiring HarnessAudi A4 With H7 Bulb 2004, Handypack™ Headlight Wiring Harness by Standard®. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest...Premium parts you can rely onDesigned to restore functionality$10.41 - $12.02
- Dorman®Conduct-Tite™ Headlight SocketsAudi A4 With Low Temperature Socket 2004, Conduct-Tite™ Headlight Sockets by Dorman®. Quantity: 1 Piece. Make better electrical repairs and accessory installations with this pigtail connector. Designed for a clean appearance when...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$2.47 - $6.98
- Dorman®OE Solutions™ Xenon Headlight Control ModuleAudi A4 / A4 Quattro With 4 Pin Connector 2004, OE Solutions™ Xenon Headlight Control Module by Dorman®. Finish: Silver. Material: Aluminum. Engagement of the four-wheel drive system is crucial during slick weather conditions. Dorman...Easy installation; just plug it in to the mating componentDirect replacement matches original design$207.15
- Genuine®High Intensity Discharge Lighting BallastAudi A4 / A4 Quattro Cabriolet 2004, High Intensity Discharge Lighting Ballast 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$795.30
- Genuine®Turn Signal Light ConnectorAudi A4 2004, Turn Signal Light Connector by Genuine®. Front. 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...Designed to restore your vehicle’s electrical systemGenuine OE replacement parts from the OE manufacturer$77.65
- WVE®Back Up Light Switch ConnectorAudi A4 / A4 Quattro 1.8L 2004, Back Up Light Switch 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$9.75 - $10.62
- WVE®Daytime Running Light RelayAudi A4 / A4 Quattro 2004, Daytime Running Light Relay by WVE®. Amperage: 30 Amp. 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...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$5.02
- WVE®Headlight High Beam Light ConnectorAudi A4 / A4 Quattro With HID headlights 2004, Headlight High Beam Light Connector by WVE®. With 2 Terminals. With 2 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$10.02
- Diode Dynamics®HYLUX D1 BallastAudi A4 / A4 Quattro Base / Avant 2004, HYLUX D1 Ballast by Diode Dynamics®. Quantity: 1 Piece. Looking to maintain the top condition of your electrical system? They are ready to help you! Just choose from their immense selection of...Designed to help restore the performance of your electrical systemMade from high-grade materials using the latest techniques$100.00
- CRP®Multi Purpose RelayAudi A4 / A4 Quattro 1.8L / 3.0L 2004, Multi Purpose Relay by CRP®. Are you shivering behind the wheel in the winter, or sweating in traffic in the summer? Do you detect the sweet smell of antifreeze in the cabin or see green liquid on...Durable construction to withstand everyday wear and tearLeak proof junctions ensure long service life and unrestricted flow$18.90
- Meyle®Multi Purpose RelayAudi A4 / A4 Quattro 2004, Multi Purpose Relay by Meyle®. Keep your prized possession running at its optimum and enjoy a safe driving experience with top-of-the-line Meyle replacement automotive parts. Made using premium materials...Designed to make your vehicle perform at its optimal levelManufactured from high-strength materials for long-lasting durability$14.18
- WVE®X-Contact RelayAudi A4 1.8L / 3.0L 2004, X-Contact Relay by WVE®. Connector Type: 4 Blade Terminals. Finish: White. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to ensure the...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$8.77
- Audi OEElectrical - Fuse & RelayAudi A4 2004, Electrical - Fuse & Relay by Audi OE. Keep your Audi looking showroom-new and running at its best with top-grade Audi OE parts. Genuine in quality, fit, and finish, they’re the finest option to go if you want to maintain...Genuine OE replacement for your specific Audi modelDesigned to bring your vehicle back to its pristine condition$6.48 - $313.66
- Audi OEElectrical - Fuse & Relay (Convertible)Audi A4 / A4 Quattro Convertible 2004, Electrical - Fuse & Relay by Audi OE. Keep your Audi looking showroom-new and running at its best with top-grade Audi OE parts. Genuine in quality, fit, and finish, they’re the finest option to go...Genuine OE replacement for your specific Audi modelDesigned to bring your vehicle back to its pristine condition$6.48 - $313.66
- Standard®Headlamp Wiring HarnessAudi A4 2004, Headlamp Wiring Harness by Standard®. For over 100 years, professional technicians have trusted Standard® to replace the failed OE part. Standard® manufacturers the highest-quality, best-performing parts for all import...Headlight wiring harnesses are guaranteed to meet or exceed OE performance providing today's technician with the quality parts needed to get the job done right, the first timeHigh Temperature Headlight Wiring Harness features 14 gauge wire for better conductivity$11.18
- WVE®Diagnostic Test ConnectorAudi A4 / A4 Quattro 2004, Diagnostic Test Connector by WVE®. Finish: Black. Universal Style Connector. Female Connector. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$11.00
- Diode Dynamics®D2S Bulb AdaptersAudi A4 / A4 Quattro Cabriolet 2004, D2S Bulb Adapters by Diode Dynamics®. Quantity: 2 Pieces. Looking to maintain the top condition of your electrical system? They are ready to help you! Just choose from their immense selection of...Designed to help restore the performance of your electrical systemMade from high-grade materials using the latest techniques$15.00
- Febi®Multi Purpose ConnectorAudi A4 Quattro Standard Transmission 2004, Multi Purpose Connector by Febi®. 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...The finest quality at a great priceEngineered to provide reliable performance for years to come$1.81
Shop By Service Type
- Cruise Control Switch Replacement
- Headlight Closure Relay Replacement
- Air Bag Clockspring Replacement
- Parking Brake Warning Switch Replacement
- Seat Heater Replacement
- Vehicle Speed Sensor Replacement
- Backup Light Switch Replacement
- Cruise Control Clutch Release Switch Replacement
- Fog Light Relay Replacement
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2004 Audi A4 Electrical Reviews
2 reviews
Good OEM Replacement
United Motor Products® - Engine Coolant Temperature SensorPosted by Michael (Las Vegas, NV) / January 07, 20212013 Volkswagen Golf GTI
2004 Audi A4 Models
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