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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Delphi®Camshaft Position SensorAudi A4 / A4 Quattro 2004, Camshaft Position Sensor by Delphi®. Delphi sensors use the Hall Effect or magneto resistive (MR) principles for accurate and clean signal input to the electronic control module (ECM). The result is more...Extensive coverageApplications for ignition (camshaft and crankshaft position and speed), transmission (vehicle or engine speed) and anti-lock braking systems (wheel speed)$46.57 - $99.27 - XS Power®D-Series 12V AGM BatteryAudi A4 / A4 Quattro 1.8L 2004, D-Series 12V AGM Battery (D4800) by XS Power®. Amp Hour Capacity: 74. Battery Type: AGM. Cold Cranking Amperage: 836. Polarity: Straight. Reserve Capacity: 132. Terminal Location: Top Post. Voltage: 12V....Proudly Made in the USASealed absorbed glass mat (AGM) design that incorporates special glass fiber mats that contain the acid electrolyte between the lead plates, rather than a standard flooded (liquid) design$379.99
- NTK®Air Fuel Ratio SensorAudi A4 / A4 Quattro 2004, Air Fuel Ratio Sensor by NTK®. Air fuel ratio sensors utilize a sophisticated sensing element that enables them to produce a precise output in proportion to the air fuel ratio. AFR sensors provide the ECU with...Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement$110.11 - $127.39
- UAC®A/C Clutch Cycle SwitchAudi A4 / A4 Quattro 2004, A/C Clutch Cycle Switch by UAC®. UAC’s line of electrical components includes the Switches and Relays that are necessary for the proper function of an A/C System. They are produced at top tier facilities...Helps maintain a desired temperature inside your carMade of durable materials$13.46
- WVE®Oil Pressure SwitchAudi A4 / A4 Quattro 2004, Oil Pressure Switch by WVE®. With White Dot. 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$13.23
- WVE®Engine Coolant Temperature SensorAudi A4 / A4 Quattro 2004, Engine Coolant Temperature Sensor by WVE®. Terminal Type: Blade. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to ensure the ultimate in...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$9.99 - $11.62
- WAI Global®AlternatorAudi A4 / A4 Quattro with Bosch Alternator 2004, Alternator by WAI Global®. Current: 150 Amp. Rotation: Clockwise. Voltage: 12V. Is the performance of your vehicle affected by the power outage? It may be time to replace your old...Elaborately designed to provide just enough powerIdentical in specifications to the factory alternator$256.37 - $281.47
- Vision-OE®Remanufactured AlternatorAudi A4 / A4 Quattro 2004, Remanufactured Alternator by Vision-OE®. Current: 150 Amp. With 6 Groove Serpentine Pulley. Internal Fan. Voltage Regulator: Internal. Looking for dependability? Vision-OE alternators meet or exceed OE...Developed with modern technology and innovationMeticulously Tested for the ultimate in quality$122.26 - $162.18
- Beck Arnley®Mass Air Flow SensorAudi A4 / A4 Quattro 1.8L 2004, Mass Air Flow Sensor by Beck Arnley®. For one hundred years, Beck Arnley has been providing premium OE quality parts for vehicles. Beginning with motorcycle parts in 1914 and transitioning to import...Matches OE form, fit and functionIncledes corrosion resistant terminals and coatings$108.70
- Walker Products®Engine Oil Pressure SwitchAudi A4 / A4 Quattro 1.8L / 3.0L 2004, Engine Oil Pressure Switch 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 mind....High quality at an affordable priceExpertly made from premium materials$15.74
- Delphi®Crankshaft Position SensorAudi A4 3.0L Transmission 2004, Crankshaft Position Sensor by Delphi®. Delphi sensors use the Hall Effect or magneto resistive (MR) principles for accurate and clean signal input to the electronic control module (ECM). The result is...Extensive coverageMade from high-quality materials for ultimate durability$100.93
- NTK®Crankshaft Position SensorAudi A4 2004, Crankshaft Position Sensor by NTK®. Designed utilizing the latest technology, this product features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$39.13 - $43.50
- gpd®HVAC Pressure TransducerAudi A4 1.8L / 3.0L 2004, HVAC Pressure Transducer 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 vehicles, they are used to...Designed to meet/exceed OE fit, form and functionDurability tested on every new design$48.43 - $50.79
- Standard®Mass Air Flow Sensor ConnectorAudi A4 / A4 Quattro 1.8L 2004, Mass Air Flow Sensor Connector by Standard®. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest...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$32.35
- BREMI®Mass Air Flow SensorAudi A4 1.8L 2004, Mass Air Flow Sensor by BREMI®. Bremi has been an original equipment manufacturer and aftermarket supplier of Ignition products for Generations. Bremi’s strength lie in their ability to consistently provide industry...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$74.72
- SKP®Camshaft Position SensorAudi A4 2004, Camshaft Position Sensor by SKP®. 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 from...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$14.04
- Hitachi®Camshaft Position SensorAudi A4 2004, 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 built to...Meets or exceeds OE specificationsEngineered for dependable and long-lasting performance$17.91 - $18.50
- Walker Products®Engine Coolant Temperature SenderAudi A4 / A4 Quattro 1.8L / 3.0L Gas 2004, Engine Coolant Temperature Sender 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...High quality at an affordable priceExpertly made from premium materials$18.54
- Delphi®Coolant Temperature SensorAudi A4 2004, Coolant Temperature Sensor by Delphi®. Increase the life of your vehicle's engine by keeping your cooling system in top condition. Replace your faulty engine cooling component with this highly efficient replacement product...Delphi temperature sensors are built with the latest OE technologySensors use durable, one-piece design$14.17 - $20.92
- Facet®Engine Coolant Temperature SensorAudi A4 2004, Engine Coolant Temperature Sensor by Facet®. The electronic engine management system has become a fundamental element in modern motor vehicles. It works to prevent failures that might seriously compromise the safety of...The reliable goods for increase of reliability of the carQuality equal, if not superior, to that of the original components$9.35 - $14.79
- Standard®Intermotor™ Fuel Injector ConnectorAudi A4 / A4 Quattro 2004, Intermotor™ Fuel Injector Connector by Standard®. Intermotor® is a complete engine management import line that includes ignition and electrical relays, switches and sensors with a concentration on high...Each part has high-quality direct replacement electrical connector eliminates the need for a harness replacing only the damaged connector, for a cost effective repair solutionThe terminal is manufactured with high grade materials such as copper alloy, brass, and phosphor bronze. The housing is fabricated using polyamide resins. All of the materials together provide the connectors with prolonged life and superior performance in harsh environments$3.68
- URO Parts®Fuel Pump RelayAudi A4 / A4 Quattro 2004, Fuel Pump Relay by URO Parts®. Swap out your worn out factory fuel part with this fuel component that offers the same quality and performance as the OE for less money. After installation, you can rest assured...Designed to replace your factory fuel partHelps to restore the proper operation of your fuel system$3.37
- Dorman®Oval Mass Air Flow Sensor ConnectorAudi A4 / A4 Quattro 1.8L 2004, Black Oval Mass Air Flow Sensor Connector by Dorman®. Save time, money, and labor by replacing only the MAF sensor instead of the entire mass air flow assembly. Constructed with the latest design...Constructed from high-quality materials to successfully resist damage from extreme underhood temperatures and environmental factors, such as humidityDirect fit for a trouble-free replacement$16.26
- NTK®Mass Air Flow SensorAudi A4 / A4 Quattro 2004, Mass Air Flow Sensor by NTK®. Make sure your engine breathes properly with our selection of top-quality replacement air intake parts. These parts are made by trusted brands that use the finest materials and...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$88.50 - $95.40
- WAI Global®Mass Air Flow SensorAudi A4 / A4 Quattro 2004, Mass Air Flow Sensor by WAI Global®. Designed utilizing the latest technology, this product by WAI Global features premium quality and will perform better than advertised. Perfect for your vehicle and...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$83.60 - $110.68
- Walker Products®Wideband Premium Oxygen SensorAudi A4 / A4 Quattro 2004, Wideband Premium Oxygen Sensor by Walker Products®. Walker Oxygen Sensors are precision made for outstanding performance and manufactured to meet or exceed all original equipment specifications and test...High quality at an affordable priceExpertly made from premium materials$112.13 - $113.24
- Facet®Oxygen SensorAudi A4 2004, Oxygen Sensor by Facet®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...The reliable goods for increase of reliability of the carQuality equal, if not superior, to that of the original components$46.74
- Bosch®Crankshaft Position SensorAudi A4 2004, Crankshaft Position Sensor by Bosch®. 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. Designed to provide...Made with precision and quality in mindDesigned to meet your specific needs$30.63 - $51.43
- Standard®Intermotor™ Camshaft Position SensorAudi A4 / A4 Quattro 2004, Intermotor™ Camshaft Position Sensor by Standard®. 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...Compliant with the strictest standards for qualityExpertly crafted using the up-to-date technology$28.60 - $33.13
- Beck Arnley®1.2 - 1.6 Bar Oil Pressure SwitchAudi A4 / A4 Quattro 1.8L / 3.0L with Light, 1.2-1.6 Bar 2004, 1.2 - 1.6 Bar Oil Pressure Switch by Beck Arnley®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme...Matches OE form, fit and functionMade with high quality material and componentry$12.58
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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