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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Cardone Reman®Mass Air Flow SensorAudi A4 / A4 Quattro 2004, Mass Air Flow Sensor by Cardone Reman®. Cardone Reman Engineered (CSE) Technology ensures that all MAF sensors meet or exceed O.E. form, fit and function. The sensors precisely track O.E. output curves and...On-car vehicle validation routines ensure that modules meet all form, fit, durability and performance requirements100% re-solder of critical components ensures superior electrical connections, no intermittent failures and longer product life$85.06 - $109.63 - Remy®Remanufactured AlternatorAudi A4 / A4 Quattro 2004, Remanufactured Alternator by Remy®. Current: 150 Amp. Internal Fan. Output Terminal: M8X1.25. Voltage Regulator: Internal. Rotation: Clockwise. Voltage: 12V. Whether you are looking for top-of-the-line...Boasts the lowest mass in the industryProvides maximum fuel economy$109.00 - $149.63
- Walker Products®Engine Coolant Temperature SensorAudi A4 / A4 Quattro 3.0L Gas 2004, 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$11.74
- Bosch®StarterAudi A4 2004, Starter by Bosch®. Whether new or remanufactured, Bosch starters are 100% factory tested to ensure reliable cranking and starting performance under the most extreme operating conditions. Built for precision fit, Bosch...Designed to withstand the harshest environments100% full-load tested – meets or exceeds OE manufacturers' torque, amperage draw and RPM standards$148.14 - $200.13
- Walker Products®Crankshaft Position SensorAudi A4 2004, Crankshaft Position 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 mind. It will meet your needs...High quality at an affordable priceExpertly made from premium materials$24.63 - $122.78
- Spectra Premium®Crankshaft Position SensorAudi A4 / A4 Quattro 2004, Crankshaft Position Sensor by Spectra Premium®. 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$12.98 - $14.32
- Remy®StarterAudi A4 / A4 Quattro 2004, Starter by Remy®. Rotation: Clockwise. With 9-Tooth Pinion Gear. Voltage: 12V. If your engine starts hard or fails to start, the problem can be in the starter. And to replace your malfunctioning starter, there...Will help you easily solve the problem with engine startingDesigned to duplicate the original part as closely as possible$84.12 - $117.94
- Spectra Premium®Mass Air Flow SensorAudi A4 / A4 Quattro 2004, Black Mass Air Flow Sensor by Spectra Premium®. With Housing. Make sure your engine breathes properly with our selection of top-quality replacement air intake parts. These parts are made by trusted brands that...Provide more consistent voltage to eliminate engine rough idle problemsPlatinum connector threads reduce the number of connection points for faster reaction to change$95.37 - $124.00
- SKP®Mass Air Flow SensorAudi A4 / A4 Quattro 3.0L Gas 2004, Mass Air Flow Sensor by SKP®. 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...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$52.85
- SKP®Mass Air Flow SensorAudi A4 / A4 Quattro 1.8L AMB Engine 2004, Mass Air Flow Sensor by SKP®. Assembly. Quantity: 1 Piece. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design...Precise engineering ensures second to none quality and lasting valueStringently tested with the highest quality standards$56.71
- Walker Products®Premium Oxygen SensorAudi A4 / A4 Quattro 2004, 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 requirements....Improved Engine Response & PerformanceLower Emissions$82.14
- NTK®Oxygen SensorAudi A4 / A4 Quattro 2004, Oxygen Sensor by NTK®. Thimble type sensors feature a ceramic element that projects into the exhaust system and becomes electrically conductive at high temperature. The sensor element then sends voltage...Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement$77.94
- 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
- WVE®Window SwitchAudi A4 2004, Window 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 exceed...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$107.88 - $325.03
- gpd®Engine Coolant Temperature SensorAudi A4 2004, 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 vehicles, they are used to...Designed to meet or exceed OE fit, form, and functionDurability tested on every new design$7.57 - $12.21
- BBB Industries®Premium™ Remanufactured AlternatorAudi A4 / A4 Quattro 2004, Premium™ Remanufactured Alternator by BBB Industries®. Designed utilizing the latest technology, this product by BBB Industries features premium quality and will perform better than advertised. Perfect for...Developed with modern technology and innovationMeticulously Tested for the ultimate in quality$141.66 - $151.55
- Four Seasons®Coolant Temperature SensorAudi A4 / A4 Quattro 2004, Coolant Temperature Sensor by Four Seasons®. Terminal Quantity: 2. Connector Shape: Oval. Connector Gender: Female. All products are engineered and tested to provide years of trouble free operation. Backed by...OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price$20.66
- Walker Products®Vehicle Speed SensorAudi A4 Quattro 1.8L / 3.0L Transmission 2004, Vehicle Speed 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$33.78
- 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
- Walker Products®Mass Air Flow SensorAudi A4 / A4 Quattro 2004, Mass Air Flow 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 use the finest...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$75.21 - $102.15
- 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
- UAC®HVAC Pressure TransducerAudi A4 / A4 Quattro 2004, HVAC Pressure Transducer 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$38.77
- 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
- Hitachi®Mass Air Flow SensorAudi A4 2004, Mass Air Flow Sensor by Hitachi®. 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 the latest...Accurate air flow measurement is 100% testedMeets emissions standards$97.46 - $130.43
- 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
- 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
- BBB Industries®Premium™ Remanufactured StarterAudi A4 / A4 Quattro with Bosch Starter 2004, Premium™ Remanufactured Starter by BBB Industries®. Type: Permanent Magnet Gear Reduction. Rotation: Clockwise. With 9-Tooth Pinion Gear. Voltage: 12V. If your engine starts hard or fails...Developed with modern technology and innovationMeticulously tested for the ultimate in quality$99.52 - $114.40
- WAI Global®StarterAudi A4 / A4 Quattro 2004, Starter by WAI Global®. Rotation: Clockwise. With 9-Tooth Pinion Gear. Voltage: 12V. If your engine starts hard or fails to start, the problem can be in the starter. And to replace your malfunctioning starter,...Will help you easily solve the problem with engine startingDesigned to duplicate the original part as closely as possible$118.58 - $138.04
- 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
- 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
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
Cycling Clutch Sensor
Supercool® - Cycling Pressure SwitchPosted by Jose Manuel (Katy, TX) / June 16, 20201992 Hyundai Sonata
2004 Audi A4 Models
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