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
-
TRQ®StarterAudi A4 / A4 Quattro 3.0L 2004, Starter by TRQ®. With 9-Tooth Pinion Gear. For optimum cranking amps and reliable power needed to start your engine, replace your malfunctioning starter with this top-quality starter designed by TRQ....Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$131.05$137.95Save $6.90 (5%) - TRQ®AlternatorAudi A4 / A4 Quattro 1.8L with 150 Amp Bosch Alternator / 150 Amp Valeo Alternator 2004, Alternator by TRQ®. The reliable TRQ alternator is right what the doctor ordered to optimally power up your vehicle’s engine battery and other...Intended to bring your vehicle back to its original gloryBudget-friendly alternative to the OEM part$185.20$194.95Save $9.75 (5%)
- Denso®Oxygen SensorAudi A4 / A4 Quattro 1.8L / 3.0L Gas 2004, Oxygen Sensor by Denso®. Position: Downstream. Make sure your engine runs efficiently and produces fewer emissions by replacing your malfunctioning fuel-ratio sensors with these top-notch...High quality plastic and/or steel constructionDirect replacement for a proper fit every time$86.96
- Bosch®Premium Oxygen SensorAudi A4 2004, Premium Oxygen Sensor by Bosch®. A worn-out oxygen sensor can cause engine performance problems and shorten the life of the catalytic converter. Tune-up your vehicle with an Oxygen Sensor from Bosch that is equally...OE Identical ConnectorCompact Design$83.19 - $87.03
- Quality-Built®StarterAudi A4 / A4 Quattro with Flange Mount Starter, Bosch Starter 2004, Starter by Quality-Built®. Type: Permanent Magnet Gear Reduction. Weight: 7 lbs. Rotation: Clockwise. With 9-Tooth Pinion Gear. Voltage: 12V. Get professional installer...Designed specifically for the high demands of professional installersSelect components and advanced manufacturing techniques provide unparalleled performance and reliability$80.15 - $147.08
- Denso®Air Fuel Ratio SensorAudi A4 / A4 Quattro 2004, Air Fuel Ratio Sensor by Denso®. Position: Upstream. Make sure your engine runs efficiently and produces fewer emissions by replacing your malfunctioning fuel-ratio sensors with these top-notch products...Designed to help reduce fuel consumption and harmful emissionsMade with the use of state-of-the-art sensor technologies$135.94 - $139.45
- TRQ®Engine Oil Pressure SwitchAudi A4 2004, Engine Oil Pressure Switch by TRQ®. 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...Developed to comply with rigorous quality standardsExceptional quality at a budget-friendly price$21.80$22.95Save $1.15 (5%)
- Bosch®AlternatorAudi A4 2004, Alternator by Bosch®. Current: 150 Amp. With 6 Groove Serpentine Pulley. Internal Fan. Voltage Regulator: Internal. Rotation: Clockwise. Whether new or remanufactured, Bosch alternators are performance tested for reliable...100% exhaustive multipoint quality and performance testingEnsures cranking and starting performance under all temperature extremes$268.12 - $406.14
- 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
- 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$91.15 - $109.63
- 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
- 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
- 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
- Motorcraft®Tested Tough™ Max AGM BatteryAudi A4 / A4 Quattro 1.8L / 3.0L 2004, Tested Tough™ Max AGM Battery by Motorcraft®. 12-Volt Post Terminals. If you’re looking to replace a battery, Motorcraft is your best bet for fit and function. All Motorcraft batteries are...Excellent limited warranty coverage - 100-month (8+ years) unlimited mileage36-month (3-year) Free replacement period$194.68 - $234.16
- 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
- Delphi®Mass Air Flow SensorAudi A4 / A4 Quattro 2004, Mass Air Flow Sensor by Delphi®. When it comes to MAF sensors, communication with the ECM is key. That’s why Delphi MAF sensors use all new parts - never remanufactured parts that could harbor debris and...Extensive coverageManufactured to meet or exceed OE requirements and testing$119.39 - $138.85
- 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
- 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$109.79 - $122.18
- 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$20.74
- 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
- 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$89.39 - $130.97
- 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$108.41 - $170.94
- 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$53.31
- 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$52.07
- 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
- 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$97.09 - $130.43
- 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
- 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$122.49 - $139.27
- 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
- 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
Shop By Service Type
Popular Products
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
Popular Searches