2009 Audi A4 Engine Switches, Sensors and Relays

Keep Your 2009 Audi A4 in Top Shape with Quality Engine Switches, Sensors and Relays

Whether you’re repairing or upgrading your Engine Switches, Sensors and Relay, using high-quality parts is key to keeping your 2009 Audi A4 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Crankshaft Position Sensors and Oil Level 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.

Top-Rated Engine Switches, Sensors and Relays from Trusted Brands

Looking for a reliable Engine Switches, Sensors and Relay? We’ve got you covered with options from brands you know and trust like Bosch. For example, Bosch Engine Switches, Sensors and Relays start at just $125.99 with an average 4.7 star rating. With over 4 reviews and a solid 5 star average, you can shop with confidence knowing other Audi A4 owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2009 Audi A4 Engine Switches, Sensors and Relay at Advance Auto Parts is around $111.49, with a range that starts at $34.99 and goes up to $194.99. With 6 options in stock from 4 trusted brands, finding the right fit is easy. Popular picks like Engine Crankshaft Position Sensor, Crankshaft Sensor, and Crankshaft Sensor start at just $34.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Engine Switches, Sensors and Relay, don’t forget to check out other key components like Engine Gaskets and Seals and Engine Timing Parts. At Advance Auto Parts, we’re here to help you keep your 2009 Audi A4 in peak condition, inside and out.

Essential 2009 Audi A4 Engine Switches, Sensors and Relays

Carquest Premium – Engine Crankshaft Position Sensor (Part No.CSA2099)

Engine Crankshaft Position Sensor

from

$70.99
Carquest Premium crankshaft position sensors are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium crankshaft and camshaft sensors are engineered with technology that provides increased output accuracy through a stronger, more consistent signal. Our sensors are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Carquest Premium crankshaft and camshaft position sensors undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium 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:
  • Engineered with technology that provides increased accuracy with a stronger, more consistent signal
  • Sensors are based on proven hall effect and variable reluctance technology
  • Includes OE-style brackets, hold downs, hardware, or spacers as needed for each application.
  • O-rings and seals are included if required.
  • Weather-tight connectors prevent leaks and corrosion for better reliability.
  • 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

Dorman – Crankshaft Position Sensor (Part No.907-957)

Crankshaft Position Sensor

from

$62.99
This engine crankshaft position sensor is designed to match the fit and function of an original sensor to help ensure the engine control unit receives proper inputs when an original sensor has failed from heat or internal component damage.

Product Features:
  • Direct replacement – this engine crankshaft position sensor is designed to match the fit and function of an original sensor on specified vehicles
  • Ideal solution – engineered to help ensure the engine control unit receives proper inputs when an original sensor has failed from heat or internal component damage
  • Durable construction – designed and manufactured to strict specifications for reliable performance
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
See More

Rein – Crankshaft Sensor (Part No.ELC0278)

Crankshaft Sensor

from

$34.99
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

Carquest Premium – Crankshaft Position Sensor (Part No.CSC1268)

Crankshaft Position Sensor

from

$76.99
Carquest Premium crankshaft position sensors are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium crankshaft sensors are engineered with technology that provides increased output accuracy through a stronger, more consistent signal. Our sensors are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Carquest Premium crankshaft position sensors undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium crankshaft position 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:
  • Engineered with technology that provides increased accuracy with a stronger, more consistent signal
  • Sensors are based on proven hall effect and variable reluctance technology
  • Includes OE-style brackets, hold downs, hardware, or spacers as needed for each application
  • O-rings and seals are included if required
  • Weather-tight connectors prevent leaks and corrosion for better reliability
  • 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 – Engine Crankshaft Position Sensor (Part No.CSA1837)

Engine Crankshaft Position Sensor

from

$76.99
Carquest Premium crankshaft position sensors are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium crankshaft and camshaft sensors are engineered with technology that provides increased output accuracy through a stronger, more consistent signal. Our sensors are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Carquest Premium crankshaft and camshaft position sensors undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium 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:
  • Engineered with technology that provides increased accuracy with a stronger, more consistent signal
  • Sensors are based on proven hall effect and variable reluctance technology
  • Includes OE-style brackets, hold downs, hardware, or spacers as needed for each application.
  • O-rings and seals are included if required.
  • Weather-tight connectors prevent leaks and corrosion for better reliability.
  • 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

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

Engine Crankshaft Position Sensor

from

$132.99
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:
  • 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

Bosch – Crankshaft Position Sensor (Part No.0261210177)

Crankshaft Position Sensor

from

$75.99
Bosch OE quality crankshaft speed sensors with robust design for improved temperature shock stability, with enlarged temperature range and reduced drift during lifetime.

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

Dorman – Magnetic Crankshaft Position Sensor (Part No.962-420)

Magnetic Crankshaft Position Sensor

from

$29.99
This engine crankshaft position sensor is designed to match the fit and function of an original sensor to help ensure the engine control unit receives proper inputs when an original sensor has failed from heat or internal component damage.

Product Features:
  • Direct replacement – this engine crankshaft position sensor is designed to match the fit and function of an original sensor on specified vehicles
  • Ideal solution – engineered to help ensure the engine control unit receives proper inputs when an original sensor has failed from heat or internal component damage
  • Durable construction – designed and manufactured to strict specifications for reliable performance
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
See More

Dorman – Crankshaft Position Sensor (Part No.962-523)

Crankshaft Position Sensor

from

$44.99
This engine crankshaft position sensor is designed to match the fit and function of an original sensor to help ensure the engine control unit receives proper inputs when an original sensor has failed from heat or internal component damage.

Product Features:
  • Direct replacement – this engine crankshaft position sensor is designed to match the fit and function of an original sensor on specified vehicles
  • Ideal solution – engineered to help ensure the engine control unit receives proper inputs when an original sensor has failed from heat or internal component damage
  • Durable construction – designed and manufactured to strict specifications for reliable performance
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
See More

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

Engine Crankshaft Position Sensor

from

$91.99
Carquest Premium crankshaft position sensors are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium crankshaft and camshaft sensors are engineered with technology that provides increased output accuracy through a stronger, more consistent signal. Our sensors are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Carquest Premium crankshaft and camshaft position sensors undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium 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:
  • Engineered with technology that provides increased accuracy with a stronger, more consistent signal
  • Sensors are based on proven hall effect and variable reluctance technology
  • Includes OE-style brackets, hold downs, hardware, or spacers as needed for each application.
  • O-rings and seals are included if required.
  • Weather-tight connectors prevent leaks and corrosion for better reliability.
  • 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 – Engine Crankshaft Position Sensor (Part No.CSA1343)

Engine Crankshaft Position Sensor

from

$86.99
Carquest Premium crankshaft position sensors are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium crankshaft and camshaft sensors are engineered with technology that provides increased output accuracy through a stronger, more consistent signal. Our sensors are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Carquest Premium crankshaft and camshaft position sensors undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium 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:
  • Engineered with technology that provides increased accuracy with a stronger, more consistent signal
  • Sensors are based on proven hall effect and variable reluctance technology
  • Includes OE-style brackets, hold downs, hardware, or spacers as needed for each application.
  • O-rings and seals are included if required.
  • Weather-tight connectors prevent leaks and corrosion for better reliability.
  • 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

Dorman – Magnetic Camshaft Position Sensor (Part No.907-869)

Magnetic Camshaft Position Sensor

from

$64.99
This engine camshaft position sensor is designed to match the fit and function of an original sensor to help ensure the engine control unit receives proper inputs when an original sensor has failed from heat or internal component damage.

Product Features:
  • Direct replacement – this engine camshaft position sensor is designed to match the fit and function of an original sensor on specified vehicles
  • Ideal solution – engineered to help ensure the engine control unit receives proper inputs when an original sensor has failed from heat or internal component damage
  • Durable construction – designed and manufactured to strict specifications for reliable performance
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
See More

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

Engine Crankshaft Position Sensor

from

$141.99
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:
  • 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 – Crankshaft Sensor (Part No.CSC1191)

Crankshaft Sensor

from

$99.99
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

Carquest Premium – Engine Oil Level Sensor (Part No.LAC1024)

Engine Oil Level Sensor

from

$194.99
The engine lubrication system is critical to engine operation and long life. On some vehicle applications, the engine control module monitors the engine oil level to ensure lubrication is not lost.

Product Features:
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
  • Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the part design process ensures speed-to-market and a precise fit guaranteed.
  • Where applicable, robust circuit board design increases durability due to heat, shock, and random electro-magnetic pulses (EMP) and power spikes.
  • Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
  • 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.
See More

URO Parts – Oil Level Sensor (Part No.1J0907660B)

Oil Level Sensor

from

$39.99
URO Parts has been a leading brand of replacement auto parts for European vehicles for more than thirty years. Affordable yet dedicated to quality, URO Parts controls its production process in strict accordance with ISO/TS 16949 QMS specifications and offers a wide variety of components used to restore or repair engine, electrical, drive train, braking, steering, suspension, climate control, cooling, exhaust, and fuel systems in classic to late-model German, British, and Scandinavian vehicles. Looking for parts that are even higher quality than original equipment? URO Parts engineers analyze common failures and identify weaknesses in original equipment parts when creating URO Premium components, which are superior to OE in performance and reliability thanks to improved materials and more robust designs. Thanks to high-quality, competitively-priced URO Parts and bulletproof URO Premium replacement components, owning a prestigious European vehicle is no longer an expensive luxury reserved for the elite and wealthy.

Product Features:
  • Guaranteed Fitment
  • High Quality Materials
  • Guaranteed fitment
  • Direct-fit OE replacement design restores factory oil level sensor function
  • Easy plug-and-play connection
  • Manufactured using high-quality materials to withstand intense lubrication system heat
  • Alloy conductors minimize electrical resistance for accurate operation
  • Designed and tested for reliability and long life
See More

Carquest Premium – Engine Oil Level Sensor (Part No.SBC3724)

Engine Oil Level Sensor

from

$76.99
The engine lubrication system is critical to engine operation and long life. On some vehicle applications, the engine control module monitors the engine oil level to ensure lubrication is not lost.

Product Features:
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
  • Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the part design process ensures speed-to-market and a precise fit guaranteed.
  • Where applicable, robust circuit board design increases durability due to heat, shock, and random electro-magnetic pulses (EMP) and power spikes.
  • Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
  • 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.
See More

Carquest Premium – Engine Oil Level Sensor (Part No.FFC1236)

Engine Oil Level Sensor

from

$337.99
The engine lubrication system is critical to engine operation and long life. On some vehicle applications, the engine control module monitors the engine oil level to ensure lubrication is not lost.

Product Features:
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
  • Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the part design process ensures speed-to-market and a precise fit guaranteed.
  • Where applicable, robust circuit board design increases durability due to heat, shock, and random electro-magnetic pulses (EMP) and power spikes.
  • Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
  • 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.
See More

Most Popular Crankshaft Position Sensors for 2009 Audi A4s

Enhance your 2009 Audi A4 with one of the 5 Crankshaft Position Sensors we have in stock, starting at just $34.99.

Bosch – Crankshaft Position Sensor (Part No.0261210199)

Crankshaft Position Sensor

from

$125.99
Bosch OE quality crankshaft speed sensors with robust design for improved temperature shock stability, with enlarged temperature range and reduced drift during lifetime

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.CSA2099)

Engine Crankshaft Position Sensor

from

$70.99
Carquest Premium crankshaft position sensors are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium crankshaft and camshaft sensors are engineered with technology that provides increased output accuracy through a stronger, more consistent signal. Our sensors are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Carquest Premium crankshaft and camshaft position sensors undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium 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:
  • Engineered with technology that provides increased accuracy with a stronger, more consistent signal
  • Sensors are based on proven hall effect and variable reluctance technology
  • Includes OE-style brackets, hold downs, hardware, or spacers as needed for each application.
  • O-rings and seals are included if required.
  • Weather-tight connectors prevent leaks and corrosion for better reliability.
  • 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

Rein – Crankshaft Sensor (Part No.ELC0278)

Crankshaft Sensor

from

$34.99
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

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

Engine Crankshaft Position Sensor

from

$141.99
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:
  • 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 – Crankshaft Sensor (Part No.CSC1191)

Crankshaft Sensor

from

$99.99
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

Best-Selling 2009 Audi A4 Oil Level Sensor

Upgrade your A4 with our best-selling Oil Level Sensor.

Carquest Premium – Engine Oil Level Sensor (Part No.LAC1024)

Engine Oil Level Sensor

from

$194.99
The engine lubrication system is critical to engine operation and long life. On some vehicle applications, the engine control module monitors the engine oil level to ensure lubrication is not lost.

Product Features:
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
  • Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the part design process ensures speed-to-market and a precise fit guaranteed.
  • Where applicable, robust circuit board design increases durability due to heat, shock, and random electro-magnetic pulses (EMP) and power spikes.
  • Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
  • 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.
See More

Top-Rated Engine Switches, Sensors and Relay Brands For Your 2009 Audi A4

When it comes to finding the perfect Engine Switches, Sensors and Relay for your 2009 Audi A4, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 4 trusted brands. We carry the most popular Engine Switches, Sensors and Relay brands including Bosch, and more, all known for their exceptional customer ratings (average brand rating of 4.7 stars) and competitive prices, as low as $125.99. Purchasing a Engine Switches, Sensors and Relay from us here at Advance Auto Parts is a smart move for both you and your 2009 Audi A4, providing peace of mind with parts that meet or exceed OEM standards.

Popular Bosch 2009 Audi A4 Engine Switches, Sensors and Relays

If you’re looking for a top-quality Engine Switches, Sensors and Relay for your 2009 Audi A4, Advance Auto Parts has exactly what you need with our selection of Bosch Engine Switches, Sensors and Relays. We have 1 Bosch Engine Switches, Sensors and Relays in stock for this fitment, all known for their durability and precision fit. With prices starting at just $125.99, you’ll find the perfect Engine Switches, Sensors and Relay for your needs and budget. Bosch Engine Switches, Sensors and Relays for the 2009 Audi A4 come highly rated, with over 4 customer reviews and an impressive average rating of 4.7 stars. Choosing a Bosch Engine Switches, Sensors and Relay from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Crankshaft Position Sensor
from $125.99
(4)
Crankshaft Position Sensor
“Ease of use & a good quality product”

FAQs for 2009 Audi A4 Engine Switches, Sensors and Relays

What are the best-selling Engine Switches, Sensors and Relays for 2009 Audi A4s?

Out of 6 Engine Switches, Sensors and Relays that fit 2009 Audi A4s, the following parts are the top sellers:

What’s the price range for 2009 Audi A4 Engine Switches, Sensors and Relays?

The prices of Engine Switches, Sensors and Relays for the 2009 Audi A4 range from $34.99 up to $194.99 for the most premium parts.

What is the average price of an Engine Switches, Sensors and Relay for a 2009 Audi A4?

The average price for Engine Switches, Sensors and Relays for the 2009 Audi A4 is $111.49. Keep in mind the variety of part types within our Engine Switches, Sensors and Relay category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Engine Switches, Sensors and Relays for other Audi A4 model years?

Yes, we carry Engine Switches, Sensors and Relays for 23 model years of Audi A4s between 1996 and 2020. The following model years are the most popular for Engine Switches, Sensors and Relay purchases: 2020, 2019, 2018, 2017, 2016, 2015, 2014, 2013, and 2012.

What are the cheapest Engine Switches, Sensors and Relays for my 2009 Audi A4?

The cheapest 2009 Audi A4 Engine Switches, Sensors and Relays we carry are:

Does Advance Auto Parts sell Engine Switches, Sensors and Relays for any other 2009 Audi models?

What are the top-rated Engine Switches, Sensors and Relays that fit the 2009 Audi A4?

The one 2009 Audi A4 Engine Switches, Sensors and Relay we have in stock is the Crankshaft Sensor. It costs $34.99.

What types of Engine Switches, Sensors and Relays do you sell for my 2009 Audi A4?

As of 11/2/25, these are some of the most in-demand types of Engine Switches, Sensors and Relays for a 2009 Audi A4:

Can I get help with 2009 Audi A4 Engine Switches, Sensors and Relay orders?

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

What is your return policy for Audi A4 Engine Switches, Sensors and Relays?

Advance Auto Parts keeps returns simple. For new Audi A4 Engine Switches, Sensors and Relays and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.