2004 Audi S4 Fuel Injectors

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Keep Your 2004 Audi S4 in Top Shape with Quality Fuel Injectors

Whether you’re repairing or upgrading your Fuel Injector, using high-quality parts is key to keeping your 2004 Audi S4 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Fuel Injector Seal Kits, Fuel Injector Connectors, and Fuel Injectors. 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 Fuel Injectors from Trusted Brands

Looking for a reliable Fuel Injector? We’ve got you covered with options from brands you know and trust like Carquest. For example, Carquest Fuel Injectors start at just $4.29 with an average 4.4 star rating. With over 3 reviews and a solid 4 star average, you can shop with confidence knowing other Audi S4 owners approve.

Explore Related Parts

While you’re upgrading or replacing your Fuel Injector, don’t forget to check out other key components like Gas Caps and Oxygen Sensors. At Advance Auto Parts, we’re here to help you keep your 2004 Audi S4 in peak condition, inside and out.

Essential 2004 Audi S4 Fuel Injectors

Victor Reinz – Fuel Injector O-Ring Kit (Part No.18-10027-01)

Fuel Injector O-Ring Kit

from

$8.99
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.

Product Features:
  • Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
See More

Delphi – Mass Air Flow Sensor (Part No.AF10695)

Mass Air Flow Sensor

from

$162.99
Every single Delphi mass air flow (MAF) sensor that we manufacture – whether with or without the housing – is built with calibrated all-new components and is never remanufactured. Our mass air flow sensors are designed and tested to meet or exceed OE requirements, and engineered for a perfect fit in more than 180 million vehicles on the road today in North America – including makes from Ford, Toyota, Nissan, Volkswagen, Hyundai, BMW, Honda, GM, Mazda, Subaru, Acura and more.

Product Features:
  • Delphi mass air flow sensors are the global benchmark for accuracy and signal noise
  • Delphi mass air flow sensors feature high quality sensing elements for outstanding performance over a wide range of ambient temperatures
  • Delphi is a manufacturer of OE mass air flow sensors since their first use over 30 years ago
  • All parts are calibrated and tested to match the OE part
  • Probe solution offered wherever possible to reduce repair time by eliminating the need to replace the flow tube
  • Delphi OE technology validated to match the vehicle applications
See More

Delphi – Mass Air Flow Sensor (Part No.AF10149)

Mass Air Flow Sensor

from

$223.99
Every single Delphi mass air flow (MAF) sensor that we manufacture – whether with or without the housing – is built with calibrated all-new components and is never remanufactured. Our mass air flow sensors are designed and tested to meet or exceed OE requirements, and engineered for a perfect fit in more than 180 million vehicles on the road today in North America – including makes from Ford, Toyota, Nissan, Volkswagen, Hyundai, BMW, Honda, GM, Mazda, Subaru, Acura and more.

Product Features:
  • Delphi mass air flow sensors are the global benchmark for accuracy and signal noise
  • Delphi mass air flow sensors feature high quality sensing elements for outstanding performance over a wide range of ambient temperatures
  • Delphi is a manufacturer of OE mass air flow sensors since their first use over 30 years ago
  • All parts are calibrated and tested to match the OE part
  • Probe solution offered wherever possible to reduce repair time by eliminating the need to replace the flow tube
  • Delphi OE technology validated to match the vehicle applications
See More

Hitachi – Mass Air Flow Sensor (Part No.MAF0036)

Mass Air Flow Sensor

from

$161.99
Hitachi¿s Air Flow Sensors (MAFs) measure the amount and characteristics of air entering the engine. Hitachi uses precision elements and high-quality components for enhanced durability and accurate air flow measurements. Hitachi MAFs are 100% air flow tested for ideal performance and are calibrated for each application ensuring your vehicle meets the strict emission standards set by the manufacturer. Details such as a contaminant bypass port (when applicable) and protected circuitry providing a durable and reliable product approved by OE manufacturers makes Hitachi¿s air flow sensors the premium choice.

Product Features:
  • Meets the OE performance and durability standards for this application
  • Welded connections instead of soldered for dependability
  • Contaminant bypass port provides reliable operation and increases longevity
  • Contaminant bypass port provides reliable operation and increases longevity
  • Meets the OE performance and durability standards for this application
  • Welded connections instead of soldered for dependability
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Carquest Premium – New Mass Air Flow Sensor – Complete Assembly (Part No.MQ7281)

New Mass Air Flow Sensor - Complete Assembly

from

$91.99
Carquest Premium mass air flow (MAF) sensors are built to meet the original equipment (OE) specifications for each application. Our MAF sensors are built by a manufacturer that meets IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Carquest Premium mass air flow sensors are 100% new and undergo extensive validation testing to ensure long-lasting performance and reliability.

Product Features:
  • Designed to meet OE specifications for fit, form and function
  • 100% new unit with no core charge
  • Advanced micro-controlled technology delivers more accurate output in extreme temperatures
  • Extensive validation testing to ensure precision output for better performance and reliability
  • O-rings or gaskets included where applicable
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Carquest – Fuel Injector Seal Kit (Part No.274838)

Fuel Injector Seal Kit

from

$8.99
High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.

Product Features:
  • Designed to OE standards for ease of installation
  • High-quality materials withstand extreme conditions
  • Undergoes extensive testing to ensure reliability
  • As a global manufacturer of automotive aftermarket products, we maintain complete quality control throughout the manufacturing process
See More

ACDelco – Fuel Injector Fuel Feed and Return Pipe O-Ring Kit with Seals with 2 O-Rings (Part No.217-3414)

Fuel Injector Fuel Feed and Return Pipe O-Ring Kit with Seals with 2 O-Rings

from

$10.29
The ACDelco Professional Fuel Injector Seal Kit contains high quality aftermarket replacement components for one or more of the following vehicle systems: ignition, and/or engine fuel management. This premium aftermarket kit contains components that are manufactured to meet or exceed your expectations for fit, form, and function.

Product Features:
  • Professional, premium aftermarket replacement
  • Provides the performance and dependability you expect from ACDelco
  • Manufactured to meet expectations for fit, form, and function
See More

ACDelco – Fuel Injector Fuel Feed and Return Pipe O-Ring Kit with 8 O-Rings (Part No.217-3365)

Fuel Injector Fuel Feed and Return Pipe O-Ring Kit with 8 O-Rings

from

$9.99
The ACDelco Professional Fuel Injector Seal Kit contains high quality aftermarket replacement components for one or more of the following vehicle systems: ignition, and/or engine fuel management. This premium aftermarket kit contains components that are manufactured to meet or exceed your expectations for fit, form, and function.

Product Features:
  • Professional, premium aftermarket replacement
  • Provides the performance and dependability you expect from ACDelco
  • Manufactured to meet expectations for fit, form, and function
See More

URO Parts – Fuel Injector Seal Kit, Seal Kit For One Injector Includes: (1) Rubber Seal (2) Spacers (Part No.06E998907E)

Fuel Injector Seal Kit, Seal Kit For One Injector Includes: (1) Rubber Seal (2) Spacers

from

$4.99
For European vehicles, A.P.A. manufactures the URO Parts brand of quality replacement parts, which meet or exceed OEM specifications. URO Parts components are ideal for both professional and DIY vehicle repair, and are often the exclusive aftermarket alternative to overpriced ¿Genuine¿ components. By reducing deferred maintenance with URO Parts, you will increase the bottom line of your business. With its URO Premium line, A.P.A. offers problem-solving upgraded components that are superior to failure-prone OEM parts in design and/or materials. A.P.A. is so confident in the longevity and reliability of URO Premium products, they’re covered by an unlimited mileage, . URO Parts also specializes in accurate reproduction parts for classic vehicles, including a huge variety of items that are no longer available from the dealer.

Product Features:
  • Guaranteed fitment
  • Instantly replaces age-hardened or cracked seals
  • Long-life EPDM rubber helps seal out fuel and prevent leaks
  • Precise fit and OE-style seal profiles
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Carquest Premium – Fuel Injector Connector (Part No.PTA1064)

Fuel Injector Connector

from

$4.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • Product constructed to meet all design and operating characteristics as intended by the manufacturer.
See More

Carquest – Fuel Injector Connector (Part No.PT2318)

Fuel Injector Connector

from

$4.29
High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.

Product Features:
  • Designed to OE standards for ease of installation
  • All electrical connectors are 100% tested for proper mechanical and electrical fit, form and function
  • Offering thousands of high-quality pigtails & sockets for nearly every electrical job
See More

Carquest Premium – Remanufactured Multi Port Fuel Injector (Part No.A212-2525)

Remanufactured Multi Port Fuel Injector

from

$79.99
CARQUEST’S line of remanufactured OEM fuel injectors are remanufactured using a proven 15 step process at a state-of-the-art remanufacturing facility in the U.S.A. Each injector is 100% tested under multiple operating conditions to ensure each injector meets or exceeds OE specifications for flow rate, spray pattern, coil resistance, form, fit and function. Each injector includes new external seals and O-rings.

Product Features:
  • Each unit is 100% tested to OE specifications
  • Includes new O-rings and seals made of premium OE quality materials
  • Includes application specific technical bulletin, where applicable
See More

Carquest Premium – Remanufactured Fuel Injector (Part No.A512-1165)

Remanufactured Fuel Injector

from

$97.99
The CARQUEST line of remanufactured OEM fuel injectors are remanufactured using a proven 15 step process at a state-of-the-art remanufacturing facility in the USA. Injectors are thoroughly tested under multiple operating conditions to ensure each injector meets or exceeds OE specifications for flow rate, spray pattern, coil resistance, form, fit and function.

Product Features:
  • Each unit is 100% tested to OE specifications
  • Includes new O-rings and seals made of premium OE quality materials
  • Includes application specific technical bulletin, where applicable
See More

Bosch – Fuel Injector: New (Part No.62691)

Fuel Injector: New

from

$159.99
Bosch is a recognized OE leader in fuel systems technology, with more than 45 years of gasoline fuel injection experience. The fuel injection program provides vast coverage for Domestic, European, and Asian vehicles.

Product Features:
  • Guaranteed OE fit, form and function
  • Manufactured of the highest quality materials
  • Provides precision flow and original spray pattern for optimal performance
  • Product includes top and bottom mounting o-ring
  • Maintains new-car smoothness and drivability
See More

Most Popular Fuel Injector Seal Kits for 2004 Audi S4s

Enhance your 2004 Audi S4 with one of the 2 Fuel Injector Seal Kits we have in stock, starting at just $8.99.

ACDelco – Fuel Injector Fuel Feed and Return Pipe O-Ring Kit with 8 O-Rings (Part No.217-3365)

Fuel Injector Fuel Feed and Return Pipe O-Ring Kit with 8 O-Rings

from

$9.99
The ACDelco Professional Fuel Injector Seal Kit contains high quality aftermarket replacement components for one or more of the following vehicle systems: ignition, and/or engine fuel management. This premium aftermarket kit contains components that are manufactured to meet or exceed your expectations for fit, form, and function.

Product Features:
  • Professional, premium aftermarket replacement
  • Provides the performance and dependability you expect from ACDelco
  • Manufactured to meet expectations for fit, form, and function
See More

Carquest – Fuel Injector Seal Kit (Part No.274838)

Fuel Injector Seal Kit

from

$8.99
High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.

Product Features:
  • Designed to OE standards for ease of installation
  • High-quality materials withstand extreme conditions
  • Undergoes extensive testing to ensure reliability
  • As a global manufacturer of automotive aftermarket products, we maintain complete quality control throughout the manufacturing process
See More

Best-Selling 2004 Audi S4 Fuel Injector Connectors

Upgrade your S4 with one of our 2 best-selling Fuel Injector Connectors, earning an average 4 stars rating across 1 reviews.

Carquest – Fuel Injector Connector (Part No.PT2318)

Fuel Injector Connector

from

$4.29
High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.

Product Features:
  • Designed to OE standards for ease of installation
  • All electrical connectors are 100% tested for proper mechanical and electrical fit, form and function
  • Offering thousands of high-quality pigtails & sockets for nearly every electrical job
See More

Carquest Premium – Fuel Injector Connector (Part No.PTA1064)

Fuel Injector Connector

from

$4.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • Product constructed to meet all design and operating characteristics as intended by the manufacturer.
See More

Top-Quality Fuel Injectors for 2004 Audi S4s

Choose a high-quality OEM or aftermarket Fuel Injector for Audi S4s and enjoy top-notch performance from $79.99.

Carquest Premium – Remanufactured Multi Port Fuel Injector (Part No.A212-2525)

Remanufactured Multi Port Fuel Injector

from

$79.99
CARQUEST’S line of remanufactured OEM fuel injectors are remanufactured using a proven 15 step process at a state-of-the-art remanufacturing facility in the U.S.A. Each injector is 100% tested under multiple operating conditions to ensure each injector meets or exceeds OE specifications for flow rate, spray pattern, coil resistance, form, fit and function. Each injector includes new external seals and O-rings.

Product Features:
  • Each unit is 100% tested to OE specifications
  • Includes new O-rings and seals made of premium OE quality materials
  • Includes application specific technical bulletin, where applicable
See More

Bosch – Fuel Injector: New (Part No.62691)

Fuel Injector: New

from

$159.99
Bosch is a recognized OE leader in fuel systems technology, with more than 45 years of gasoline fuel injection experience. The fuel injection program provides vast coverage for Domestic, European, and Asian vehicles.

Product Features:
  • Guaranteed OE fit, form and function
  • Manufactured of the highest quality materials
  • Provides precision flow and original spray pattern for optimal performance
  • Product includes top and bottom mounting o-ring
  • Maintains new-car smoothness and drivability
See More

Our Top Pick for a 2004 Audi S4 Fuel Injector O-Ring Kit

Invest in a durable Fuel Injector O-Ring Kit for your 2004 Audi, knowing you’re getting trusted brands and expert craftsmanship.

Victor Reinz – Fuel Injector O-Ring Kit (Part No.18-10027-01)

Fuel Injector O-Ring Kit

from

$8.99
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.

Product Features:
  • Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
See More

Our Air Flow Meters and Mass Air for 2004 Audi S4s

Make a smart move for your 2004 Audi S4 with our Air Flow Meters and Mass Air for $162.99.

Delphi – Mass Air Flow Sensor (Part No.AF10695)

Mass Air Flow Sensor

from

$162.99
Every single Delphi mass air flow (MAF) sensor that we manufacture – whether with or without the housing – is built with calibrated all-new components and is never remanufactured. Our mass air flow sensors are designed and tested to meet or exceed OE requirements, and engineered for a perfect fit in more than 180 million vehicles on the road today in North America – including makes from Ford, Toyota, Nissan, Volkswagen, Hyundai, BMW, Honda, GM, Mazda, Subaru, Acura and more.

Product Features:
  • Delphi mass air flow sensors are the global benchmark for accuracy and signal noise
  • Delphi mass air flow sensors feature high quality sensing elements for outstanding performance over a wide range of ambient temperatures
  • Delphi is a manufacturer of OE mass air flow sensors since their first use over 30 years ago
  • All parts are calibrated and tested to match the OE part
  • Probe solution offered wherever possible to reduce repair time by eliminating the need to replace the flow tube
  • Delphi OE technology validated to match the vehicle applications
See More

Top-Rated Fuel Injector Brands For Your 2004 Audi S4

When it comes to finding the perfect Fuel Injector for your 2004 Audi S4, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 6 trusted brands. We carry the most popular Fuel Injector brands including Carquest, and more, all known for their exceptional customer ratings (average brand rating of 4.4 stars) and competitive prices, as low as $4.29. Purchasing a Fuel Injector from us here at Advance Auto Parts is a smart move for both you and your 2004 Audi S4, providing peace of mind with parts that meet or exceed OEM standards.

Popular Carquest 2004 Audi S4 Fuel Injectors

If you’re looking for a top-quality Fuel Injector for your 2004 Audi S4, Advance Auto Parts has exactly what you need with our selection of Carquest Fuel Injectors. We have 1 Carquest Fuel Injectors in stock for this fitment, all known for their durability and precision fit. With prices starting at just $4.29, you’ll find the perfect Fuel Injector for your needs and budget. Carquest Fuel Injectors for the 2004 Audi S4 come highly rated, with over 1 customer reviews and an impressive average rating of 4.4 stars. Choosing a Carquest Fuel Injector from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Fuel Injector Connector
from $4.29
(1)
Fuel Injector Connector
“Used to seal a gasket.”

FAQs for 2004 Audi S4 Fuel Injectors

What are the best-selling Fuel Injectors for 2004 Audi S4s?

Out of 8 Fuel Injectors that fit 2004 Audi S4s, the following parts are the top sellers:

What’s the price range for 2004 Audi S4 Fuel Injectors?

The prices of Fuel Injectors for the 2004 Audi S4 range from $4.29 up to $162.99 for the most premium parts.

What is the average price of a Fuel Injector for a 2004 Audi S4?

The average price for Fuel Injectors for the 2004 Audi S4 is $55.03. Keep in mind the variety of part types within our Fuel Injector category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Fuel Injectors for other Audi S4 model years?

Yes, we carry Fuel Injectors for 17 model years of Audi S4s between 1992 and 2016. The following model years are the most popular for Fuel Injector purchases: 2016, 2015, 2014, 2013, 2012, 2011, 2010, 2009, and 2008.

What are the cheapest Fuel Injectors for my 2004 Audi S4?

The cheapest 2004 Audi S4 Fuel Injectors we carry are:

Does Advance Auto Parts sell Fuel Injectors for any other 2004 Audi models?

Yes. We stock Fuel Injectors for 7 other popular 2004 Audi models. Some of the most popular are 2004 A4 Quattro Fuel Injectors, 2004 A4 Fuel Injectors, 2004 A6 Quattro Fuel Injectors, 2004 A6 Fuel Injectors, and 2004 TT Quattro Fuel Injectors.

What are the top-rated Fuel Injectors that fit the 2004 Audi S4?

The one 2004 Audi S4 Fuel Injector we have in stock is the Fuel Injector Connector. It is rated 4 stars and costs $4.29.

What types of Fuel Injectors do you sell for my 2004 Audi S4?

As of 3/1/26, these are some of the most in-demand types of Fuel Injectors for a 2004 Audi S4:

Can I get help with 2004 Audi S4 Fuel Injector orders?

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

What is your return policy for Audi S4 Fuel Injectors?

Advance Auto Parts keeps returns simple. For new Audi S4 Fuel Injectors and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.