2004 Audi A4 Air Flow Sensors

Essential 2004 Audi A4 Air Flow Sensors

Vemo – Air Temp. Sensor (Part No.C60002930617VMO)

Air Temp. Sensor

from

$46.60
Air Temp. Sensor

Bosch – Air Temperature Sensors (Part No.C600084793BOS)

Air Temperature Sensors

from

$30.12
Air Temperature Sensors measure the temperature of the incoming air to the engine. This information is provided to the Engine Control Module (ECU) to determine the correct amount of fuel needed for optimum performance and economy.

Product Features:
  • Extreme Temperature range: -40F – +260F
  • Robust Design with High Resistance to Engine Vibrations
  • OE or Better – Quality, Performance, and Function
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Carquest Premium – Air Charge Temperature Sensor (Part No.WTA1883)

Air Charge Temperature Sensor

from

$63.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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ACERA – ACERA Oxygen Sensor (Part No.C5010566952ACR)

ACERA Oxygen Sensor

from

$35.93
ACERA’s patented Oxygen / Lambda sensor technology is crafted with the highest precision an designed to endure the toughest environment in the vehicles exhaust system. ACERA has over 20 years of experience in research, and developing, Oxygen Sensors and is one of the few manufacturers in the world that actually integrates the Zirconium Oxide ceramic technology directly into the sensor’s core. Starting with the research and development to formulate the YSZ powder, ACERA then integrates the patented Zirconium Oxide (ZrO2) ceramic center core producing a highly durable, long lasting oxygen sensor that provides a much quicker time to operational temperature with minimal variation. To ensure the highest quality and stability, every new oxygen sensor undergoes a pressurized sealing test as well as a multifunction simulated exhaust bench test.

Product Features:
  • Premium OE Connector
  • Premium stainless steel body protecting against extreme heat and corrosion
  • Double layer protection for added durability and long life
  • Monolithic ceramic element allowing faster operating temperature
  • Aluma element surface minimizing thermal variation
  • Aluma protection layer that protects the sensor catalyst from harmful gas
  • Isolated circuitry that reduces signal noise
  • Patented Zirconium Oxide (ZrO2) material
  • 100% inspection and testing of product functions on every sensor
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NTK – Wideband Oxygen Sensor: Air-Fuel Ratio 5 Wire, 59" Long, Heated, Direct Fit (Part No.24318)

Wideband Oxygen Sensor: Air-Fuel Ratio 5 Wire, 59" Long, Heated, Direct Fit

from

$161.99
NTK is the world’s largest supplier and manufacturer of OEM oxygen sensors. Oxygen sensors play a critical role as part of the vehicle’s on-board diagnostic system in maintaining optimal engine performance, maximizing fuel efficiency and reducing harmful emissions. While conventional switching oxygen sensors only switch rich or lean, wideband oxygen (or Air-Fuel Ratio) sensors produce a linear output signal that allows the ECU determine exactly how rich or lean an engine is running and make continuous and precise adjustments of the air-fuel mixture to stay closest to stoichiometric, providing the best possible combustion and fewest emissions. A ceramics company at our core, NTK uses state-of-the art technology enabling complete control of the ceramics used in our wideband oxygen sensors from raw material to finished product. Trust The Sensor Specialist for full-line market support and OE application technology.

Product Features:
  • OEM QUALITY: NTK is the world’s largest supplier of original equipment oxygen sensors with renowned quality that meets or exceeds OEM specifications
  • PRODUCT ENGINEERING: Based on OE expertise, but specifically engineered for the aftermarket, NTK Oxygen Sensors offer superior OE fit, form, function
  • OE TECHNOLOGY: Upgraded to the latest OE technologies, NTK Oxygen Sensors are designed to reduce OE failures, enhance durability and performance
  • EXTENSIVE TESTING: OE development includes vibration and thermal shock testing. Testing during manufacturing guarantees quality and reliability
  • EASY INSTALLATION: NTK Oxygen Sensors are equipped with OE specified, water-resistant connectors and harness accessory hardware for easy installation
  • ADVANCED CERAMIC SENSOR ELEMENT: 3-stage contaminant-resistant plasma jet and deposit trap overcoat protects against element poisoning
  • NTK ADVANTAGE: Superior dual-coated platinum interface and thinner ceramic element produces fastest light off and response times with best durability
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NTK – Wideband Oxygen Sensor: Air-Fuel Ratio 5 Wire, 52.3" Long, Heated, Direct Fit (Part No.24342)

Wideband Oxygen Sensor: Air-Fuel Ratio 5 Wire, 52.3" Long, Heated, Direct Fit

from

$214.99
NTK is the world’s largest supplier and manufacturer of OEM oxygen sensors. Oxygen sensors play a critical role as part of the vehicle’s on-board diagnostic system in maintaining optimal engine performance, maximizing fuel efficiency and reducing harmful emissions. While conventional switching oxygen sensors only switch rich or lean, wideband oxygen (or Air-Fuel Ratio) sensors produce a linear output signal that allows the ECU determine exactly how rich or lean an engine is running and make continuous and precise adjustments of the air-fuel mixture to stay closest to stoichiometric, providing the best possible combustion and fewest emissions. A ceramics company at our core, NTK uses state-of-the art technology enabling complete control of the ceramics used in our wideband oxygen sensors from raw material to finished product. Trust The Sensor Specialist for full-line market support and OE application technology.

Product Features:
  • OEM QUALITY: NTK is the world’s largest supplier of original equipment oxygen sensors with renowned quality that meets or exceeds OEM specifications
  • PRODUCT ENGINEERING: Based on OE expertise, but specifically engineered for the aftermarket, NTK Oxygen Sensors offer superior OE fit, form, function
  • OE TECHNOLOGY: Upgraded to the latest OE technologies, NTK Oxygen Sensors are designed to reduce OE failures, enhance durability and performance
  • EXTENSIVE TESTING: OE development includes vibration and thermal shock testing. Testing during manufacturing guarantees quality and reliability
  • EASY INSTALLATION: NTK Oxygen Sensors are equipped with OE specified, water-resistant connectors and harness accessory hardware for easy installation
  • ADVANCED CERAMIC SENSOR ELEMENT: 3-stage contaminant-resistant plasma jet and deposit trap overcoat protects against element poisoning
  • NTK ADVANTAGE: Superior dual-coated platinum interface and thinner ceramic element produces fastest light off and response times with best durability
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NTK – Wideband Oxygen Sensor: Air-Fuel Ratio 5 Wire, 23.5" Long, Heated, Direct Fit (Part No.24308)

Wideband Oxygen Sensor: Air-Fuel Ratio 5 Wire, 23.5" Long, Heated, Direct Fit

from

$191.99
NTK is the world’s largest supplier and manufacturer of OEM oxygen sensors. Oxygen sensors play a critical role as part of the vehicle’s on-board diagnostic system in maintaining optimal engine performance, maximizing fuel efficiency and reducing harmful emissions. While conventional switching oxygen sensors only switch rich or lean, wideband oxygen (or Air-Fuel Ratio) sensors produce a linear output signal that allows the ECU determine exactly how rich or lean an engine is running and make continuous and precise adjustments of the air-fuel mixture to stay closest to stoichiometric, providing the best possible combustion and fewest emissions. A ceramics company at our core, NTK uses state-of-the art technology enabling complete control of the ceramics used in our wideband oxygen sensors from raw material to finished product. Trust The Sensor Specialist for full-line market support and OE application technology.

Product Features:
  • OEM QUALITY: NTK is the world’s largest supplier of original equipment oxygen sensors with renowned quality that meets or exceeds OEM specifications
  • PRODUCT ENGINEERING: Based on OE expertise, but specifically engineered for the aftermarket, NTK Oxygen Sensors offer superior OE fit, form, function
  • OE TECHNOLOGY: Upgraded to the latest OE technologies, NTK Oxygen Sensors are designed to reduce OE failures, enhance durability and performance
  • EXTENSIVE TESTING: OE development includes vibration and thermal shock testing. Testing during manufacturing guarantees quality and reliability
  • EASY INSTALLATION: NTK Oxygen Sensors are equipped with OE specified, water-resistant connectors and harness accessory hardware for easy installation
  • ADVANCED CERAMIC SENSOR ELEMENT: 3-stage contaminant-resistant plasma jet and deposit trap overcoat protects against element poisoning
  • NTK ADVANTAGE: Superior dual-coated platinum interface and thinner ceramic element produces fastest light off and response times with best durability
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Bosch – Bosch Oxygen Sensor (Part No.C5010647781BOS)

Bosch Oxygen Sensor

from

$157.67
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. Each element is incredibly strong for best-in-class performance and maximum service life.

Product Features:
  • OE-Equivalent.
  • Direct fit for easy installation.
  • OE Style connectors and wire lengths.
  • Base ceramic probe of Zirconium and Yttrium.
  • Patented Platinum Power Grid.
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DENSO – First Time Fit Oxygen Sensor (Part No.C5010690465ND)

First Time Fit Oxygen Sensor

from

$174.88
Denso First Time Fit oxygen sensors are constructed of the highest quality materials available. High-quality stainless steel, porous polytetrafluoroethylene (PTFE), fluorine rubber, aluminum oxide, high-grade platinum and ceramics are used in each DENSO sensor.

Product Features:
  • SUPERIOR DESIGN – Maximizes engine performance and fuel efficiency while reducing harmful emissions.
  • DOUBLE-PROTECTION COVER – Maintains proper unit temperature for quicker response times and protects the ceramic element against silicone and lead poisoning.
  • ALUMINUM-OXIDE TRAP LAYER – Keeps silicone and lead outside the ceramic element through DENSO’s exclusive design, preventing damage to the platinum electrode.
  • STAINLESS STEEL HOUSING – Resists corrosion and contamination with a rugged, watertight body.
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Rein – Thermo Switch (Part No.ELT0059)

Thermo Switch

from

$11.99
Electrical parts control all aspects of vehicles on the road today. Replacing these components when they are starting to fail will ensure your vehicle has maximum performance and fuel economy. This is why Rein Automotive electrical parts are application specific and match the design and function of the OE parts.

Product Features:
  • Tested to ensure maximum performance
  • Manufactured to strict engineering standards/specifications in materials and tolerances
  • Long life and durability
  • Made by the OE manufacturer
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Carquest Premium – Ambient Air Temperature Sensor (Part No.WTA1106)

Ambient Air Temperature Sensor

from

$32.99
The temperature of various systems must be reported to the engine control module (ECM) as well as other operating system controllers in the vehicle. Coolant temperature, cabin temperature, exhaust temperature and ambient temperature are just a few systems reported by a temperature sensor. The temperature sensor is fed 5 volts by the systems computer, within the sensor housing will be a thermistor, or dropping resistor whose resistance value will change as the temperature surrounding it changes. Changing resistance in the circuit will change the volt signal at the processor indicating the current operating value.

Product Features:
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
  • 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
  • 100% end-of-line tested to ensure accurate signal output providing product reliability, every time.
  • Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
  • Lead frame terminal size and location determined using image dimension measuring system or 3D laser scanner.
  • Application matched components ensures system operation in like new condition.
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Rein – Ambient Temp Sensor (Part No.P4025342395RIN)

Ambient Temp Sensor

from

$17.95
Ambient Temp Sensor

Carquest Premium – Ambient Air Temperature Sensor (Part No.WTA2018)

Ambient Air Temperature Sensor

from

$60.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Dorman – Mass Air Flow Sensor Connector (Part No.645-924)

Mass Air Flow Sensor Connector

from

$29.99
This mass air flow sensor connector is designed to match the appearance and function of the original hardware on specified applications. Made of quality materials, it is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this mass air flow sensor connector matches the appearance and function of the factory hardware on specified applications
  • Ideal solution – this connector is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Bosch – MAP Sensor (Part No.C704435966BOS)

MAP Sensor

from

$556.04
Bosch Manifold Absolute Pressure (MAP) Sensors provide accurate air pressure measurement to very fine tolerances for efficient engine performance.

Product Features:
  • Extremely sturdy design with a special coating for resistance of harmful chemicals inside the intake manifold.
  • Bosch continually improves its MAP sensor designs with the latest chip technology.
  • Designed to meet or exceed your vehicle’s original equipment specifications (performance, driveability, economy, emissions)
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Original Equipment – MAP Sensor (Part No.C7044666815OEA)

MAP Sensor

from

$47.94
Original Equipment Manifold Absolute Pressure/Manifold Air Temperature Sensors are designed to perform in harsh environments such as extreme temperatures and vibration, thermal and mechanical shock. The Original Equipment Manifold Absolute Pressure sensor is the ORIGINAL part, supplied in a plain box, with the car manufacturer’s logo on the part.

Product Features:
  • Designed for under-hood environments
  • All-silicon, solid-state microelectronic technology
  • Temperature compensation
  • Electromagnetic interference (EMI) protection
  • Air temperature output
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Carquest Premium – Manifold Absolute Pressure Sensor (MAP) (Part No.ECC1488)

Manifold Absolute Pressure Sensor (MAP)

from

$99.99
CARQUEST MAP sensors are manufactured with critical OEM components to ensure that your engine runs efficiently to reach the best gas mileage on your vehicle.

Product Features:
  • CARQUEST MAP sensors connectors are exact OE fit to ensure the proper vacuum is maintained to prevent power loss and to minimize internal contamination.
  • CARQUEST MAP sensors utilize high temperature resistant seals. Damaged seals can directly impact the vehicles fuel-to-air ratio, making it less fuel efficient.
  • CARQUEST MAP sensors are 100% individually tested for all product functionalities including proper vacuum seal and electrical output.
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Bosch – Pressure/ Temperature Sensor (Part No.0281002177)

Pressure/ Temperature Sensor

from

$105.99
Bosch OE quality temperature sensors for accurate measurements with high durability, fast response time and wide measuring range

Product Features:
  • Bosch OE quality pressure sensors for accurate measurements
  • Bosch OE quality pressure sensors for long term stability
  • Bosch OE quality pressure sensors with a short response time
  • Bosch OE quality pressure sensors with improved media resistance
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Bosch – Boost Pressure Sensor (Part No.C7044397109BOS)

Boost Pressure Sensor

from

$59.41
All Bosch High Pressure Sensors provide very reliable and accurate measurements and have extremely fast response times to ensure your vehicle runs as intended.

Product Features:
  • Built-in circuit protection to ensure your electronics and computer systems stay unharmed
  • High reliability of pressure sensing proved in gasoline and diesel direct injection systems
  • Sturdy design, vibration resistant and thermal stability
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2004 Audi A4 Air Flow Sensors

Maybe you’re in the middle of a full rebuild of that 2004 Audi A4. Maybe you just need a couple of Air Flow Sensors. Either way, Advance Auto Parts has 14 different Air Flow Sensors in our inventory ranging from $11.99 to $234.99. That means you can find the exact parts or products you need to keep that 2004 Audi A4 running smoothly.

Air Flow Sensors are only as good as their brand. We stock 7 different brands to make sure you have plenty of trusted parts to choose from for your 2004 Audi A4. Dorman, Rein, and Bosch are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Air Flow Sensors for your 2004 Audi A4, but don’t take our word for it – read our customer ratings and reviews and buy with confidence.

So if you’re in the market for aftermarket Air Flow Sensors to keep your 2004 Audi A4 rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Air Flow Sensors Brands To Make Your 2004 Audi A4 Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 2004 Audi A4 demands trusted brand parts and products to keep it running. Many trusted brands of Air Flow Sensors make up Advance Auto Parts’ inventory, and all are ready to help make your A4 the best it can be. Be sure to browse some of our top Air Flow Sensors brands and parts.

FAQs for 2004 Audi A4 Air Flow Sensors

What are the most purchased Air Flow Sensors for the 2004 Audi A4?

Out of 14 Air Flow Sensors for the 2004 Audi A4, the most popular in our inventory are:
Mass Air Flow Sensor Connector
from $29.99
This product is not rated
Mass Air Flow Sensor Connector
Mass Air Flow Sensor Connectors
Thermo Switch
from $11.99
This product is not rated
Thermo Switch
Ambient Air Temperature Sensors
Bosch, Oxygen Sensor, Before Cat
from $154.88
This product is not rated
Bosch, Oxygen Sensor, Before Cat
Air- Fuel Ratio Sensors