2004 Audi TT Ignition Sensors

Keep Your 2004 Audi TT in Top Shape with Quality Ignition Sensors

Whether you’re repairing or upgrading your Ignition Sensor, using high-quality parts is key to keeping your 2004 Audi TT looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Knock Sensors. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Competitive Prices and Extensive Inventory

The average price for a 2004 Audi TT Ignition Sensor at Advance Auto Parts is around $46.09, with a range that starts at $24.29 and goes up to $63.99. With 3 options in stock from 3 trusted brands, finding the right fit is easy. Popular picks like Ignition Knock (Detonation) Sensor, Knock Sensor, and Knock Sensor start at just $24.29 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Ignition Sensor, don’t forget to check out other key components like Ignition Coils and Boots and Spark Plugs. At Advance Auto Parts, we’re here to help you keep your 2004 Audi TT in peak condition, inside and out.

Essential 2004 Audi TT Ignition Sensors

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

Ignition Knock (Detonation) Sensor

from

$58.99
Carquest Premium knock sensors are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium knock sensors are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. We utilize advanced technology to design sensors that are, in many cases, stronger than OE parts. Carquest Premium knock sensors undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium knock sensors are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.

Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • Trivalent iridescent chromate plating prevents corrosion
  • Silicone seals prevent moisture intrusion preventing false codes and sensor failure
  • Wiring harnesses utilize high-temperature insulation when applicable
  • Extensive design validation testing and 100% end-of-line tested
  • Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
See More

Carquest Premium – Knock Sensor (Part No.SBC4016)

Knock Sensor

from

$59.99
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 Carquest 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

Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.SBA4185)

Ignition Knock (Detonation) Sensor

from

$129.99
Carquest Premium knock sensors are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium knock sensors are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. We utilize advanced technology to design sensors that are, in many cases, stronger than OE parts. Carquest Premium knock sensors undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium knock sensors are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.

Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • Trivalent iridescent chromate plating prevents corrosion
  • Silicone seals prevent moisture intrusion preventing false codes and sensor failure
  • Wiring harnesses utilize high-temperature insulation when applicable
  • Extensive design validation testing and 100% end-of-line tested
  • Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
See More

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

Ignition Knock (Detonation) Sensor

from

$49.99
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 Carquest 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

Carquest Premium – Knock Sensor (Part No.SBC3897)

Knock Sensor

from

$63.99
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 Carquest 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

Delphi – Knock Sensor (Part No.AS10169)

Knock Sensor

from

$24.29
Delphi’s ever growing portfolio of high quality vehicle sensors are backed by stringent OE development and product validation methods. We offer a wide range of sensors, including ABS, camshaft, crankshaft, knock, EGT, MAP, temperature, throttle position, and vehicle speed sensors for a variety of vehicle applications. All of our sensors are tested and calibrated to OE standards, ensuring accurate readings, which helps to reduce comebacks.

Product Features:
  • Delphi knock sensors help maximize engine performance with all fuels
  • Delphi knock sensors prevent against engine damage from pre-ignition knocking
  • Calibrated for a wide variety of frequencies to detect shifts, and adjust to provide accurate signals to help maximize engine performance
  • Flat frequency response allows the same sensor to be used on different engines and the sensor responds to knock frequencies higher than the primary frequency
  • Ground-isolated design with 2-wire shielded harness helps protect the sensor signal from electro-magnetic interference (EMI)
  • Self-generating piezoelectric design requires no power to the sensor
See More

Carquest Premium – Knock Sensor (Part No.SBC4188)

Knock Sensor

from

$114.99
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 Carquest 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 – Knock Sensor (Part No.0261231146)

Knock Sensor

from

$63.99
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

Most Popular Knock Sensors for 2004 Audi TTs

Enhance your 2004 Audi TT with one of the 3 Knock Sensors we have in stock, starting at just $24.29.

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

Ignition Knock (Detonation) Sensor

from

$49.99
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 Carquest 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 – Knock Sensor (Part No.0261231146)

Knock Sensor

from

$63.99
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

Delphi – Knock Sensor (Part No.AS10169)

Knock Sensor

from

$24.29
Delphi’s ever growing portfolio of high quality vehicle sensors are backed by stringent OE development and product validation methods. We offer a wide range of sensors, including ABS, camshaft, crankshaft, knock, EGT, MAP, temperature, throttle position, and vehicle speed sensors for a variety of vehicle applications. All of our sensors are tested and calibrated to OE standards, ensuring accurate readings, which helps to reduce comebacks.

Product Features:
  • Delphi knock sensors help maximize engine performance with all fuels
  • Delphi knock sensors prevent against engine damage from pre-ignition knocking
  • Calibrated for a wide variety of frequencies to detect shifts, and adjust to provide accurate signals to help maximize engine performance
  • Flat frequency response allows the same sensor to be used on different engines and the sensor responds to knock frequencies higher than the primary frequency
  • Ground-isolated design with 2-wire shielded harness helps protect the sensor signal from electro-magnetic interference (EMI)
  • Self-generating piezoelectric design requires no power to the sensor
See More

FAQs for 2004 Audi TT Ignition Sensors

What are the best-selling Ignition Sensors for 2004 Audi TTs?

Out of 3 Ignition Sensors that fit 2004 Audi TTs, the following parts are the top sellers:

What’s the price range for 2004 Audi TT Ignition Sensors?

The prices of Ignition Sensors for the 2004 Audi TT range from $24.29 up to $63.99 for the most premium parts.

What is the average price of an Ignition Sensor for a 2004 Audi TT?

The average price for Ignition Sensors for the 2004 Audi TT is $46.09. Keep in mind the variety of part types within our Ignition Sensor category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Ignition Sensors for other Audi TT model years?

Yes, we carry Ignition Sensors for 7 model years of Audi TTs between 2000 and 2009. The following model years are the most popular for Ignition Sensor purchases: 2009, 2008, 2006, 2005, 2003, 2002, 2001, and 2000.

What are the cheapest Ignition Sensors for my 2004 Audi TT?

The cheapest 2004 Audi TT Ignition Sensors we carry are:

Does Advance Auto Parts sell Ignition Sensors for any other 2004 Audi models?

Yes. We stock Ignition Sensors for 6 other popular 2004 Audi models. Some of the most popular are 2004 A4 Quattro Ignition Sensors, 2004 A4 Ignition Sensors, 2004 A6 Quattro Ignition Sensors, 2004 A6 Ignition Sensors, and 2004 TT Quattro Ignition Sensors.

What types of Ignition Sensors do you sell for my 2004 Audi TT?

We currently have just 1 Ignition Sensor in stock for a 2004 Audi TT, and as of 11/2/25, it is a Knock Sensor.

Can I get help with 2004 Audi TT Ignition Sensor orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Audi Ignition Sensors and more.

What is your return policy for Audi TT Ignition Sensors?

Advance Auto Parts keeps returns simple. For new Audi TT Ignition Sensors and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.