2009 Audi A4 Electrical Parts
- Light Switches
- Light Relays + Sensors
- Fuses
- Air Bag Parts
- Wiring & Cables
- Replacement Gauges
- Power + Heated Seats
- Cruise Control
- Horns
- Power Mirror Switches + Relays
- 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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Bosch®Narrow-band Oxygen SensorAudi A4 2009, Narrow-band Oxygen Sensor by Bosch®. The Bosch oxygen sensor utilizes a mix of zirconium and yttrium oxides and other elements to form a tough base that withstands the intense stress to which oxygen sensors are subjected....OE-EquivalentOE Style connectors and wire lengths$42.09 - $50.66 - R1 Concepts®Front Disc Brake Pad Wear SensorAudi A4 2009, Front Disc Brake Pad Wear Sensor by R1 Concepts®. Quantity: 1 per Pack. Brake sensors are your first warning that your brake pads or brake rotors need to be repaired or replaced. When your brake light warning indicator...Designed and produced to have the same form, fit and function as the original equipment part enabling easy installation and ensuring proper fitMade of quality materials ensures durability and resistance to extreme temperatures$5.84
- Audi OEEngine / Transaxle - Engine Parts (2.0L)Audi A4 / A4 Quattro 2.0L 2009, Engine / Transaxle - Engine Parts 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...Genuine OE replacement for your specific Audi modelDesigned to bring your vehicle back to its pristine condition$7.75 - $678.97
- Audi OEEngine / Transaxle - Engine Parts (3.2L)Audi A4 Quattro 3.2L 2009, Engine / Transaxle - Engine Parts 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...Genuine OE replacement for your specific Audi modelDesigned to bring your vehicle back to its pristine condition$7.75 - $1,036.23
- Audi OEEngine / Transaxle - Engine Parts (2.0L)Audi A4 2.0L 2009, Engine / Transaxle - Engine Parts 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...Genuine OE replacement for your specific Audi modelDesigned to bring your vehicle back to its pristine condition$3.49 - $529.69
- Audi OEEngine / Transaxle - Engine Parts (3.2L)Audi A4 Quattro 3.2L 2009, Engine / Transaxle - Engine Parts 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...Genuine OE replacement for your specific Audi modelDesigned to bring your vehicle back to its pristine condition$7.83 - $1,036.23
- Audi OECooling - Radiator & Components (Supply), (3.2L)Audi A4 Quattro 3.2L 2009, Cooling - Radiator & Components (Supply) 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...Genuine OE replacement for your specific Audi modelDesigned to bring your vehicle back to its pristine condition$3.56 - $914.71
- Audi OECooling - Hoses & Lines (Supply), (3.2L)Audi A4 Quattro 3.2L 2009, Cooling - Hoses & Lines (Supply) 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...Genuine OE replacement for your specific Audi modelDesigned to bring your vehicle back to its pristine condition$2.54 - $276.78
- Vemo®Oil Level SensorAudi A4 2009, Oil Level Sensor by Vemo®. 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 a perfect...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$128.80 - $240.61
- Vemo®Ambient Air Temperature SensorAudi A4 2009, Ambient Air Temperature Sensor by Vemo®. Aftermarket. Plug (Connector): 2 Pins. 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...Premium parts you can rely onDesigned to keep your A/C system in top shape$11.39
- URO Parts®Engine Coolant Temperature SenderAudi A4 2009, Engine Coolant Temperature Sender by URO Parts®. Terminal Type: Pin. This superior part by URO is a great alternative solution to the costly factory equipment that will help you restore smooth and efficient operation of...Designed to replace your worn out factory cooling partOptimizes engine cooling performance$4.51 - $6.39
- ACDelco®Gold™ Remanufactured AlternatorAudi A4 2.0L 2009, Gold™ Remanufactured Alternator by ACDelco®. Current: 150 Amp. With 6 Groove Serpentine Pulley. Pulley Size: 56 mm. Internal Fan. Plug Position: 12:00 O'Clock. Voltage Regulator: Internal. Rotation: Clockwise....Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$176.32
- TYC®StarterAudi A4 2.0L with Bosch Starter 2009, Starter by TYC®. Type: Permanent Magnet Gear Reduction. Rotation: Clockwise. As soon as your starter motor fails, you can feel it right away. Well, if your starter motor is damaged, you no longer...100% New unit inside and out (No recycled components) ensure longer term useOE quality at an affordable price$73.57 - $82.29
- TRQ®StarterAudi A4 Quattro 3.2L 2009, Starter by TRQ®. Type: Permanent Magnet Gear Reduction. Rated Power: 1.4 kW. Rotation: Clockwise. With 10-Tooth Pinion Gear. Voltage: 12V. For optimum cranking amps and reliable power needed to start your...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$91.13$93.95Save $2.82 (3%)
- Denso®Oxygen SensorAudi A4 2009, Oxygen Sensor by Denso®. Make sure your engine runs efficiently and produces fewer emissions by replacing your malfunctioning fuel-ratio sensors with these top-notch products designed by Denso. Engineered with the use of...High quality plastic and/or steel constructionDirect replacement for a proper fit every time$103.52 - $149.73
- TRQ®AlternatorAudi A4 / A4 Quattro 2.0L BWT Engine Gas with 140 Amp Bosch Alternator / 140 Amp Valeo Alternator / 150 Amp Valeo Alternator 2009, Alternator by TRQ®. The reliable TRQ alternator is right what the doctor ordered to optimally power up...Intended to bring your vehicle back to its original gloryBudget-friendly alternative to the OEM part$189.10$194.95Save $5.85 (3%)
- Walker Products®Oxygen SensorAudi A4 2009, Oxygen 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 and deliver...High quality at an affordable priceExpertly made from premium materials$59.62 - $117.73
- Quality-Built®StarterAudi A4 2009, Starter by Quality-Built®. Get professional installer quality at a DIY price with a Quality-Built starter. These starters are manufactured under strict QS-9000 quality guidelines, the highest quality standard achievable...Designed specifically for the high demands of professional installersSelect components and advanced manufacturing techniques provide unparalleled performance and reliability$74.08 - $193.66
- Bosch®Premium Narrow-band Oxygen SensorAudi A4 2009, Premium Narrow-band 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...OE Identical ConnectorCompact Design$64.64 - $159.13
- TYC®AlternatorAudi A4 / A4 Quattro 2.0L 2009, Alternator by TYC®. Rotation: Clockwise. The alternator is one of the parts you want to function properly, otherwise all the comforts given by the electronic components won't be available anymore. And...100% New unit inside and out (No recycled components) ensure longer term useOE quality at an affordable price$178.44
- TRQ®Oil Pressure SwitchAudi A4 Quattro 2009, Oil Pressure Switch by TRQ®. 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$21.80$22.95Save 5%
- Denso®Air Fuel Ratio SensorAudi A4 2009, Air Fuel Ratio Sensor by Denso®. Make sure your engine runs efficiently and produces fewer emissions by replacing your malfunctioning fuel-ratio sensors with these top-notch products designed by Denso. Engineered with the...Designed to help reduce fuel consumption and harmful emissionsMade with the use of state-of-the-art sensor technologies$115.99 - $177.55
- Walker Products®Crankshaft Position SensorAudi A4 2009, 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$29.46 - $42.60
- Bosch®AlternatorAudi A4 2009, Alternator by Bosch®. With 6 Groove Serpentine Pulley. Whether new or remanufactured, Bosch alternators are performance tested for reliable cranking and starting performance under the most extreme operating conditions....100% exhaustive multipoint quality and performance testingEnsures cranking and starting performance under all temperature extremes$261.04 - $459.39
- Bosch®StarterAudi A4 2009, 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$143.81 - $310.14
- Cardone Reman®Mass Air Flow SensorAudi A4 / A4 Quattro 2.0L Gas 2009, 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...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$74.40 - $116.62
- Spectra Premium®Mass Air Flow SensorAudi A4 / A4 Quattro 2.0L 2009, Mass Air Flow Sensor by Spectra Premium®. 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...Provide more consistent voltage to eliminate engine rough idle problemsPlatinum connector threads reduce the number of connection points for faster reaction to change$98.44 - $136.05
- Delphi®Mass Air Flow SensorAudi A4 / A4 Quattro 2.0L 2009, 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...Extensive coverageManufactured to meet or exceed OE requirements and testing$104.91 - $124.39
- gpd®Engine Coolant Temperature SensorAudi A4 2009, Engine Coolant Temperature Sensor by gpd®. Terminal Quantity: 2. Connector Shape: Oval. The electrical switch is designed to give feedback to the engine management system. The ECM controls the A/C system on modern...Designed to meet or exceed OE fit, form, and functionDurability tested on every new design$12.21
- Remy®Remanufactured AlternatorAudi A4 2009, Remanufactured Alternator by Remy®. Whether you are looking for top-of-the-line alternators with OE-level performance, a quality remanufactured part or affordable, dependable alternators validated according to Remy’s...Boasts the lowest mass in the industryProvides maximum fuel economy$135.99 - $186.72
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2009 Audi A4 Electrical Reviews
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United Motor Products® - Engine Coolant Temperature SensorPosted by Michael (Las Vegas, NV) / January 07, 20212013 Volkswagen Golf GTI
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