Audi S4 Fuel Injectors

Your One-Stop Shop For Trusted Audi S4 Fuel Injectors

If you’re in search of Audi S4 Fuel Injectors aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 17 Fuel Injectors from top brands with prices ranging from $4.29 to $223.99.

Beyond great prices, we stock trusted brands manufacturing all types of Fuel Injectors for your Audi S4.

And don’t forget to read customer reviews across all Fuel Injectors categories in our catalog. Buy with confidence by leveraging past customer experiences of our aftermarket and OEM parts.

At Advance Auto Parts, we don’t think top quality Fuel Injectors have to cost top dollar, and we prove it. Browse our top Audi S4 Fuel Injectors below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

Please Select your Vehicle to See Exact Fit Parts

Essential 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.
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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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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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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
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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
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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
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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
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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
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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
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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
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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 – 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
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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
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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.
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Wells Vehicle Electronics – Fuel Injection Pressure Regulator 5G1368 (Part No.5G1368)

Fuel Injection Pressure Regulator 5G1368

from

$64.99
WVE is a leading source of advanced vehicle electronics components for replacement applications in the automotive aftermarket and original equipment applications. WVE offers high-technology manufacturing along with innovative solutions and improvements to OE designs. Every component either matches or improves on the OE design to ensure fast, easy installation, superior performance and reliability.

Product Features:
  • Application matched components ensure fuel injection system meets all emission regulations.
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
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Delphi – Fuel Injection Pressure Regulator (Part No.FP10312)

Fuel Injection Pressure Regulator

from

$172.99
Precision is key for the fuel pressure regulator on any vehicle. At Delphi, we use OE engineering to test our regulators and fuel technologies to ensure the utmost performance and durability. Our Nitrile¿ diaphragms are resilient against high-ethanol fuels, and we utilize two designs to help meet emissions standards while covering a wide array of domestic vehicles. With over 30 OE-proprietary innovations and 150 patents in fuel technologies, Delphi is regarded as a market leader in North American fuel management. Visit our Resource Center for helpful tips and tricks on fuel pumps technologies and more: https://www.delphiautoparts.com/usa/en-US/resource-center.

Product Features:
  • Precisely manufactured internal valves, diaphragms and springs means excellent performance under all engine operating conditions
  • Quiet operation, no audible regulator noise
  • Robust diaphragm materials means longer life, improved durability and compatibility with a wide range of fuels
  • Consistent and predictable fuel pressure throughout system range of control provides great drivability
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Carquest Premium – Premium GDI Seal Tool Kit (Part No.ATK-001)

Premium GDI Seal Tool Kit

from

$129.99
This premium tool kit is designed to ensure the correct installation of the combustion seal on Gasoline Direct Injectors (GDI), which require replacement any time the injector is reinstalled. This special tool allows for the expansion of the combustion seal to allow installation onto the injector’s tip and resizing tools to provide precise dimensioning to ensure proper combustion sealing. Constructed of high-quality stainless steel the tool will provide years of trouble-free service and can be used on over 100 unique styles of GDI injectors.

Product Features:
  • Includes two expansion cones
  • Includes two resizing tools
  • Includes one seal installation collet
  • Includes hard case
  • Includes instruction manual
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Fuel Injectors Brands You Can Trust For Your Audi S4

9 trusted brands of Fuel Injectors line our shelves, ready to help keep your Audi S4 running smooth. Below are some of the most popular brands and their top Fuel Injectors offerings:

Popular Hitachi Fuel Injectors

Hitachi products for the Audi S4 span several categories. Some of the highest-rated Hitachi Fuel Injectors that will fit your Audi S4 are:
Mass Air Flow Sensor
from $161.99
(2)
Mass Air Flow Sensor
Air Flow Meters and Mass Air

Most Purchased Audi S4 Fuel Injectors from Hitachi

When you buy the most frequently purchased Hitachi brand Fuel Injectors, you can be confident it will be the right part for your Audi S4. Here are the Hitachi Fuel Injectors Advanced Auto customers buy the most:
Mass Air Flow Sensor
from $161.99
(2)
Mass Air Flow Sensor
Air Flow Meters and Mass Air
Fuel Injector Fuel Feed and Return Pipe O-Ring Kit with 8 O-Rings
from $9.99
This product is not rated
Fuel Injector Fuel Feed and Return Pipe O-Ring Kit with 8 O-Rings
Fuel Injector Seal Kits
Remanufactured Multi Port Fuel Injector
from $79.99
This product is not rated
Remanufactured Multi Port Fuel Injector
Fuel Injectors

FAQs for Audi S4 Fuel Injectors

What are the most purchased Fuel Injectors for the Audi S4?

Out of 17 Fuel Injectors for the Audi S4, the most popular in our inventory are:
Fuel Injector Connector
from $4.29
(1)
Fuel Injector Connector
Fuel Injector Connectors
Fuel Injector Fuel Feed and Return Pipe O-Ring Kit with 8 O-Rings
from $9.99
This product is not rated
Fuel Injector Fuel Feed and Return Pipe O-Ring Kit with 8 O-Rings
Fuel Injector Seal Kits
Fuel Injector Fuel Feed and Return Pipe O-Ring Kit with Seals with 2 O-Rings
from $10.29
This product is not rated
Fuel Injector Fuel Feed and Return Pipe O-Ring Kit with Seals with 2 O-Rings
Fuel Injector Seal Kits