2004 Audi A4 Ignition Sensors

Essential 2004 Audi A4 Ignition Sensors

Bosch – Knock Sensor (Part No.F602013723BOS)

Knock Sensor

from

$43.40
Bosch Knock Sensors are highly accurate and sensitive to detect engine knock, ensuring efficient performance and long life of your vehicle.

Product Features:
  • High Precision Even under Extreme Conditions
  • Improved efficiency and prolonged engine life
  • Linear signal over large frequency range
See More

Bosch – Knock Sensor (Part No.F6020173318BOS)

Knock Sensor

from

$47.01
Bosch Knock Sensors are highly accurate and sensitive to detect engine knock, ensuring efficient performance and long life of your vehicle.

Product Features:
  • High Precision Even under Extreme Conditions
  • Improved efficiency and prolonged engine life
  • Linear signal over large frequency range
See More

Bosch – Knock Sensor (Part No.0261231038)

Knock Sensor

from

$45.49
Bosch OE quality knock sensors for optimum engine protection and fuel consumption reduction up to 9%

Product Features:
  • Bosch OE quality knock sensors for optimum engine protection
  • Bosch OE quality knock sensors improve combustion efficiency and reduce fuel consumption up to 9%
  • Bosch OE quality knock sensors increase torque up to 5%
  • Bosch OE quality knock sensors enable the use of multiple quality fuels with various anti-knock properties
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Carquest Premium – Knock Sensor (Part No.SBC3881)

Knock Sensor

from

$39.99
Carquest Knock Sensors respond to a wide range of engine knock frequencies providing accurate engine condition to the ECM for optimal ignition timing. Highest quality piezoceramic element manufactured to tight tolerances for increased durability. All MotoRad Knock Sensors are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.

Product Features:
  • Precision piezoceramic element ensures accurate response to a wide range of engine vibrations
  • Manufactured using the highest quality OEM materials to ensure optimal performance and rugged durability
  • Designed to meet or exceed all OEM specifications in fit, form & function
  • Extensive product testing includes salt spray, high/low temperature impact, thermal cycling, vibration, drop among other tests, to ensure all sensors meet or exceed OEM specifications.
See More

FAE – Knock Sensor (Part No.F6020184181FAE)

Knock Sensor

from

$74.05
The FAE OE quality knock sensor is engineered to the exact specifications of the vehicle manufacturer to ensure the replacement sensor is the same in quality and function as the part installed as first equipment.

Product Features:
  • OEM quality direct fit application
  • Ground-isolated design with two-wire shielded harness helps protect the sensor signal from electro-magnetic interference (EMI)
  • Mounting hole is the same size as OE
  • Maintains OE specifications for frequency response
See More

Bosch – Knock Sensor (Part No.0261231146)

Knock Sensor

from

$39.99
Bosch OE quality knock sensors for optimum engine protection and fuel consumption reduction up to 9%

Product Features:
  • Bosch OE quality knock sensors for optimum engine protection
  • Bosch OE quality knock sensors improve combustion efficiency and reduce fuel consumption up to 9%
  • Bosch OE quality knock sensors increase torque up to 5%
  • Bosch OE quality knock sensors enable the use of multiple quality fuels with various anti-knock properties
See More

Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.SBA4187)

Ignition Knock (Detonation) Sensor

from

$91.99
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.
See More

Carquest Premium – Knock Sensor (Part No.SBC4186)

Knock Sensor

from

$65.99
Carquest Knock Sensors respond to a wide range of engine knock frequencies providing accurate engine condition to the ECM for optimal ignition timing. Highest quality piezoceramic element manufactured to tight tolerances for increased durability. All MotoRad Knock Sensors are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.

Product Features:
  • Precision piezoceramic element ensures accurate response to a wide range of engine vibrations
  • Manufactured using the highest quality OEM materials to ensure optimal performance and rugged durability
  • Designed to meet or exceed all OEM specifications in fit, form & function
  • Extensive product testing includes salt spray, high/low temperature impact, thermal cycling, vibration, drop among other tests, to ensure all sensors meet or exceed OEM specifications.
See More

VDO – Knock Sensor (Part No.F6020184182VDO)

Knock Sensor

from

$63.54
The VDO OE quality knock sensor is engineered to the exact specifications of the vehicle manufacturer to ensure the replacement sensor is the same in quality and function as the part installed as first equipment.

Product Features:
  • OEM quality direct fit application
  • Ground-isolated design with two-wire shielded harness helps protect the sensor signal from electro-magnetic interference (EMI)
  • Mounting hole is the same size as OE
  • Maintains OE specifications for frequency response
See More

Carquest Premium – Knock Sensor (Part No.SBC3897)

Knock Sensor

from

$58.99
Carquest Knock Sensors respond to a wide range of engine knock frequencies providing accurate engine condition to the ECM for optimal ignition timing. Highest quality piezoceramic element manufactured to tight tolerances for increased durability. All MotoRad Knock Sensors are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.

Product Features:
  • Precision piezoceramic element ensures accurate response to a wide range of engine vibrations
  • Manufactured using the highest quality OEM materials to ensure optimal performance and rugged durability
  • Designed to meet or exceed all OEM specifications in fit, form & function
  • Extensive product testing includes salt spray, high/low temperature impact, thermal cycling, vibration, drop among other tests, to ensure all sensors meet or exceed OEM specifications.
See More

VDO – Knock Sensor (Part No.F6020184183VDO)

Knock Sensor

from

$67.97
The VDO OE quality knock sensor is engineered to the exact specifications of the vehicle manufacturer to ensure the replacement sensor is the same in quality and function as the part installed as first equipment.

Product Features:
  • OEM quality direct fit application
  • Ground-isolated design with two-wire shielded harness helps protect the sensor signal from electro-magnetic interference (EMI)
  • Mounting hole is the same size as OE
  • Maintains OE specifications for frequency response
See More

Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.SBC3752)

Ignition Knock (Detonation) Sensor

from

$39.99
MotoRad Knock Sensors respond to a wide range of engine knock frequencies providing accurate engine condition to the ECM for optimal ignition timing. Highest quality piezoceramic element manufactured to tight tolerances for increased durability. All MotoRad Knock Sensors are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.

Product Features:
  • Precision piezoceramic element ensures accurate response to a wide range of engine vibrations
  • Manufactured using the highest quality OEM materials to ensure optimal performance and rugged durability
  • Designed to meet or exceed all OEM specifications in fit, form & function
  • Extensive product testing includes salt spray, high/low temperature impact, thermal cycling, vibration, drop among other tests, to ensure all sensors meet or exceed OEM specifications.
See More

Bosch – Bosch Knock Sensor (Part No.F6020435705BOS)

Bosch Knock Sensor

from

$48.65
Bosch Knock Sensors are highly accurate and sensitive to detect engine knock, ensuring efficient performance and long life of your vehicle.

Product Features:
  • High Precision Even under Extreme Conditions
  • Improved efficiency and prolonged engine life
  • Linear signal over large frequency range
See More

Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.SBA4323)

Ignition Knock (Detonation) Sensor

from

$54.99
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.
See More

2004 Audi A4 Ignition Sensors

Maybe you’re in the middle of a full rebuild of that 2004 Audi A4. Maybe you just need a couple of Ignition Sensors. Either way, Advance Auto Parts has 3 different Ignition Sensors in our inventory ranging from $63.54 to $67.97. That means you can find the exact parts or products you need to keep that 2004 Audi A4 running smoothly.

Ignition Sensors are only as good as their brand. We stock 2 different brands to make sure you have plenty of trusted parts to choose from for your 2004 Audi A4. Carquest Premium and VDO 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 Ignition 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 Ignition 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!

Ignition 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 Ignition 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 Ignition Sensors brands and parts.

FAQs for 2004 Audi A4 Ignition Sensors

What are the most purchased Ignition Sensors for the 2004 Audi A4?

Out of 3 Ignition Sensors for the 2004 Audi A4, the most popular in our inventory are:
Knock Sensor
from $63.54
This product is not rated
Knock Sensor
Knock Sensors
Knock Sensor
from $67.97
This product is not rated
Knock Sensor
Knock Sensors
Knock Sensor
from $65.99
This product is not rated
Knock Sensor
Knock Sensors