2004 Audi A4 Engine Switches, Sensors and Relays

Essential 2004 Audi A4 Engine Switches, Sensors and Relays

Rein – Crankshaft Sensor (Part No.ELC0278)

Crankshaft Sensor

from

$31.99
Rein Automotive OE Crankshaft Position Sensors are manufactured to factory specifications ensuring proper fit, form and function. The Crankshaft Sensor is used to measure the position or rotational speed of the crankshaft. The vehicle uses the information sent from the sensor to the ECU to then determine the optimal fuel injection and regulate the ignition. Our quality Crankshaft Sensors aim to provide the professional repair technician and vehicle owner the peace of mind and trust that is expected from an OE quality component.

Product Features:
  • Tested to ensure maximum performance.
  • Manufactured to strict engineering standards/specifications in materials and tolerances.
  • Long life and durability.
  • Direct OE replacement.
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Carquest Premium – Crankshaft Sensor (Part No.CSC1268)

Crankshaft Sensor

from

$71.99
A leader in vehicle electronic solutions, each premium product meets or exceeds OE specifications in appearance, fit, and function, ensuring easy installation and excellent performance. The product has been tested under extreme environments, including the

Product Features:
  • Reliable circuit board and product structure design, 3D proofing, and field test verification to ensure correct signal output at all speeds.
  • Manufactured in an anti-static environment to ensure reliability and stability.
  • Extreme temperature and salt spray tests simulate real-world vehicle conditions to ensure durability and reliability.
  • Providing this premium product line, we meet the service professionals needs with the highest quality product every time the part comes out of the box.
See More

Delphi – Engine Crankshaft Position Sensor (Part No.SS10811)

Engine Crankshaft Position Sensor

from

$124.99
Designed digital output for maximum signal to noise ratio. Not impacted by temperature changes and provide robust, long-lasting sensor protection. Manufactured to meet or exceed OE requirements.

Product Features:
  • The sensors provide accurate readings from the gap between sensor contact and element due to its design
  • Manufactured to meet or exceed OE requirements
  • Enhanced sensing functionality helps reduce emissions, improve reliability and drivability
  • Not impacted by temperature changes and provide robust, long-lasting sensor protection
  • Designed digital output for maximum signal to noise ratio
See More

Carquest Premium – Engine Crankshaft Position Sensor (Part No.CSA3667)

Engine Crankshaft Position Sensor

from

$147.99
A leader in vehicle electronic solutions, each premium product meets or exceeds OE specifications in appearance, fit, and function, ensuring easy installation and excellent performance. The product has been tested under extreme environments, including thermal shock and vibration, with unparalleled reliability, durability, and accuracy.

Product Features:
  • Products are produced in ISO 14001 and IATF 16949 certified facilities to ensure the highest quality and consistency throughout the production process.
  • Reliable circuit board and product structure design, 3D proofing, and field test verification to ensure correct signal output at all speeds.
  • Manufactured in an anti-static environment to ensure reliability and stability.
  • Extreme temperature and salt spray tests simulate real-world vehicle conditions to ensure durability and reliability.
  • Providing this premium product line, we meet the service professionals needs with the highest quality product every time the part comes out of the box.
See More

Carquest Premium – Engine Crankshaft Position Sensor (Part No.CSA1991)

Engine Crankshaft Position Sensor

from

$88.99
A leader in vehicle electronic solutions, each premium product meets or exceeds OE specifications in appearance, fit, and function, ensuring easy installation and excellent performance. The product has been tested under extreme environments, including thermal shock and vibration, with unparalleled reliability, durability, and accuracy.

Product Features:
  • Products are produced in ISO 14001 and IATF 16949 certified facilities to ensure the highest quality and consistency throughout the production process.
  • Reliable circuit board and product structure design, 3D proofing, and field test verification to ensure correct signal output at all speeds.
  • Manufactured in an anti-static environment to ensure reliability and stability.
  • Extreme temperature and salt spray tests simulate real-world vehicle conditions to ensure durability and reliability.
  • Providing this premium product line, we meet the service professionals needs with the highest quality product every time the part comes out of the box.
See More

Rein – Crankshaft Sensor (Part No.ELC0279)

Crankshaft Sensor

from

$31.99
Rein Automotive OE Crankshaft Position Sensors are manufactured to factory specifications ensuring proper fit, form and function. The Crankshaft Sensor is used to measure the position or rotational speed of the crankshaft. The vehicle uses the information sent from the sensor to the ECU to then determine the optimal fuel injection and regulate the ignition. Our quality Crankshaft Sensors aim to provide the professional repair technician and vehicle owner the peace of mind and trust that is expected from an OE quality component.

Product Features:
  • Tested to ensure maximum performance.
  • Manufactured to strict engineering standards/specifications in materials and tolerances.
  • Long life and durability.
  • Direct OE replacement.
See More

Bosch – Crankshaft Position Sensor (Part No.A2255266121BOS)

Crankshaft Position Sensor

from

$80.24
Bosch Crankshaft Position Sensors provide Accurate Detection of the engine speed: the engine speed is the main control variable for the ignition timing.

Product Features:
  • Precise digital measurement of rotational speeds
  • OE-technology quality components Developed and manufactured to very fine tolerances
  • High resistance against external interference
See More

Delphi – Engine Crankshaft Position Sensor (Part No.SS10812)

Engine Crankshaft Position Sensor

from

$132.99
Designed digital output for maximum signal to noise ratio. Not impacted by temperature changes and provide robust, long-lasting sensor protection. Manufactured to meet or exceed OE requirements.

Product Features:
  • The sensors provide accurate readings from the gap between sensor contact and element due to its design
  • Manufactured to meet or exceed OE requirements
  • Enhanced sensing functionality helps reduce emissions, improve reliability and drivability
  • Not impacted by temperature changes and provide robust, long-lasting sensor protection
  • Designed digital output for maximum signal to noise ratio
See More

NTK – Crankshaft Or Camshaft Position Sensor (Part No.EH0335)

Crankshaft Or Camshaft Position Sensor

from

$68.99
The Crankshaft or Camshaft Position Sensor plays a vital role in your engine’s operation; to determine the exact position or speed of the crankshaft or camshaft to the ECM. The ECM then uses this information to determine fuel and spark timing. A failed sensor can result in a check engine light, failure to start, intermittent stalling or misfire. NTK Crankshaft or Camshaft Position Sensors are premium quality products with outstanding support and leading innovation bred from our OE heritage.

Product Features:
  • THE NTK DIFFERENCE: Enhanced, robust circuit board traces and precision-wound coated-copper windings increase durability, longevity and performance
  • OE QUALITY: Designed to meet or exceed OE specifications, fit, form and function ensures proper position, rotating speed of the camshaft or crankshaft
  • EXTENSIVE TESTING: 100 percent thermal shock and vibration tested for best in class performance and reliability in the most extreme conditions
  • PRODUCT ENGINEERING: Premium seals prevent leaks or corrosion, while optimized magnet size and strength ensures precise, consistent signal output
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Bosch – Bosch Impulse Sender (Part No.F206287674BOS)

Bosch Impulse Sender

from

$78.48
All Bosch impulse senders 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
  • Sturdy design, vibration resistant and thermal stability
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Bosch – Crank Position Senso (Part No.A22551365155BOS)

Crank Position Senso

from

$46.32
Bosch Crankshaft Position Sensors provide Accurate Detection of the engine speed: the engine speed is the main control variable for the ignition timing.

Product Features:
  • Precise digital measurement of rotational speeds
  • OE-technology quality components Developed and manufactured to very fine tolerances
  • High resistance against external interference
See More

Bosch – Crankshaft Position Sensor (Part No.0261210199)

Crankshaft Position Sensor

from

$70.99
The optimum engine control is based on current, exact information from the powertrain provided by sensors. The electronic engine management system measures the speed, position and, optionally, the rotational direction of the crankshaft via the crankshaft

Product Features:
  • Precise digital measurement of rotational speeds
  • OE-technology quality components developed and manufactured to very fine tolerances
  • High resistance against external interference
See More

Carquest Premium – Engine Crankshaft Position Sensor (Part No.CSC2979)

Engine Crankshaft Position Sensor

from

$102.99
A leader in vehicle electronic solutions, each premium product meets or exceeds OE specifications in appearance, fit, and function, ensuring easy installation and excellent performance. The product has been tested under extreme environments, including thermal shock and vibration, with unparalleled reliability, durability, and accuracy.

Product Features:
  • Products are produced in ISO 14001 and IATF 16949 certified facilities to ensure the highest quality and consistency throughout the production process.
  • Reliable circuit board and product structure design, 3D proofing, and field test verification to ensure correct signal output at all speeds.
  • Manufactured in an anti-static environment to ensure reliability and stability.
  • Extreme temperature and salt spray tests simulate real-world vehicle conditions to ensure durability and reliability.
  • Providing this premium product line, we meet the service professionals needs with the highest quality product every time the part comes out of the box.
See More

Carquest Premium – Engine Crankshaft Position Sensor (Part No.CSA1837)

Engine Crankshaft Position Sensor

from

$108.99
A leader in vehicle electronic solutions, each premium product meets or exceeds OE specifications in appearance, fit, and function, ensuring easy installation and excellent performance. The product has been tested under extreme environments, including thermal shock and vibration, with unparalleled reliability, durability, and accuracy.

Product Features:
  • Products are produced in ISO 14001 and IATF 16949 certified facilities to ensure the highest quality and consistency throughout the production process.
  • Reliable circuit board and product structure design, 3D proofing, and field test verification to ensure correct signal output at all speeds.
  • Manufactured in an anti-static environment to ensure reliability and stability.
  • Extreme temperature and salt spray tests simulate real-world vehicle conditions to ensure durability and reliability.
  • Providing this premium product line, we meet the service professionals needs with the highest quality product every time the part comes out of the box.
See More

Bosch – Crankshaft Position Sensor (Part No.0261210177)

Crankshaft Position Sensor

from

$75.99
The optimum engine control is based on current, exact information from the powertrain provided by sensors. The electronic engine management system measures the speed, position and, optionally, the rotational direction of the crankshaft via the crankshaft

Product Features:
  • Precise digital measurement of rotational speeds
  • OE-technology quality components developed and manufactured to very fine tolerances
  • High resistance against external interference
See More

Bosch – Crankshaft Position Sensor (Part No.0261210178)

Crankshaft Position Sensor

from

$68.99
The optimum engine control is based on current, exact information from the powertrain provided by sensors. The electronic engine management system measures the speed, position and, optionally, the rotational direction of the crankshaft via the crankshaft

Product Features:
  • Precise digital measurement of rotational speeds
  • OE-technology quality components developed and manufactured to very fine tolerances
  • High resistance against external interference
See More

2004 Audi A4 Engine Switches, Sensors and Relays

Maybe you’re in the middle of a full rebuild of that 2004 Audi A4. Maybe you just need a couple of Engine Switches, Sensors and Relays. Either way, Advance Auto Parts has 9 different Engine Switches, Sensors and Relays in our inventory ranging from $44.99 to $132.99. That means you can find the exact parts or products you need to keep that 2004 Audi A4 running smoothly.

Engine Switches, Sensors and Relays are only as good as their brand. We stock 4 different brands to make sure you have plenty of trusted parts to choose from for your 2004 Audi A4. Bosch, Carquest Premium, and Delphi 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 Engine Switches, Sensors and Relays 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 Engine Switches, Sensors and Relays 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!

Engine Switches, Sensors and Relays 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 Engine Switches, Sensors and Relays 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 Engine Switches, Sensors and Relays brands and parts.

Popular Bosch Engine Switches, Sensors and Relays

We carry Bosch parts in our stock across Crankshaft Position Sensors categories, plus more. For a 2004 Audi A4, our most popular Bosch Engine Switches, Sensors and Relays include:
Crankshaft Position Sensor
from $62.99
(1)
Crankshaft Position Sensor
Crankshaft Position Sensors

FAQs for 2004 Audi A4 Engine Switches, Sensors and Relays

What are the most purchased Engine Switches, Sensors and Relays for the 2004 Audi A4?

Out of 9 Engine Switches, Sensors and Relays for the 2004 Audi A4, the most popular in our inventory are:
Crankshaft Sensor
from $71.99
This product is not rated
Crankshaft Sensor
Crankshaft Position Sensors
Engine Camshaft Position Sensor
from $78.99
This product is not rated
Engine Camshaft Position Sensor
Crankshaft Position Sensors
Crankshaft Position Sensor
from $68.99
This product is not rated
Crankshaft Position Sensor
Engine Crank Angle Sensors