2003 Audi S8 Fuel Injectors

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Keep Your 2003 Audi S8 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 2003 Audi S8 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Pressure Regulators, Air Flow Meters and Mass Air, and Fuel Injector Seal Kits. 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 2003 Audi S8 Fuel Injector at Advance Auto Parts is around $94.39, with a range that starts at $8.99 and goes up to $172.99. With 5 options in stock from 4 trusted brands, finding the right fit is easy. Popular picks like Fuel Injector Seal Kit, Mass Air Flow Sensor, and Fuel Injection Pressure Regulator start at just $8.99 and offer a great balance of form and function.

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 2003 Audi S8 in peak condition, inside and out.

Essential 2003 Audi S8 Fuel Injectors

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

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

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 Seal Kit (Part No.AS082)

Fuel Injector Seal Kit

from

$14.99
CARQUEST fuel injector seal kits include the necessary O-rings and seals to properly reseal the injector, which is a recommended practice any time the injector is removed. Includes hard to find or previously dealer-only components. Use CARQUEST tool kit ATK-001 or equivalent for proper installation of combustion seal.

Product Features:
  • Premium OE quality materials
  • Includes upper O-ring
  • Includes plastic split ring
  • Includes combustion seal
  • Includes retainer clip
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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.
See More

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
See More

Carquest Premium – Remanufactured Multi Port Fuel Injector (Part No.A212-2575)

Remanufactured Multi Port Fuel Injector

from

$61.99
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

Carquest Premium – Remanufactured GDI Fuel Injector (Part No.A512-1195)

Remanufactured GDI Fuel Injector

from

$139.99
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

Hitachi – Fuel Injector (Part No.FIJ0033)

Fuel Injector

from

$208.99
Hitachi’s Fuel Injectors (FIJs) are designed to optimize fuel economy and performance by providing extraordinary accuracy and application specific spray patterns with quick response times. Hitachi’s high-speed electromagnet and pintle precisely control the flow of fuel. High quality materials ensure that even under the most extreme conditions, Hitachi’s FIJs will not deform or malfunction. Our FIJs are 100% flow tested for ideal performance and are calibrated for each application ensuring your vehicle meets the strict emission standards set by the OE manufacturer. Designed to meet the exact needs of each specific vehicle, Hitachi’s Fuel Injectors are the premium choice.

Product Features:
  • Hitachi is a Tier 1 OE supplier
  • Hitachi is a Tier 1 OE supplier
  • Meets the OE performance and durability standards for this application
  • 100% flow tested for ideal performance
  • High-speed electromagnet and pintle for precise fuel dispersion
  • Application specific spray patterns for optimized fuel efficiency and performance
  • O-Ring included when applicable
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Most Popular Pressure Regulators for 2003 Audi S8s

Enhance your 2003 Audi S8 with one of the 2 Pressure Regulators we have in stock, starting at just $64.99.

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
See More

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.
See More

Best-Selling 2003 Audi S8 Air Flow Meters and Mass Air

Upgrade your S8 with our best-selling Air Flow Meters and Mass Air.

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-Quality Fuel Injector Seal Kits for 2003 Audi S8s

Choose a high-quality OEM or aftermarket Fuel Injector Seal Kit for Audi S8s and enjoy top-notch performance from $8.99.

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

Our Top Pick for a 2003 Audi S8 Fuel Injector

Invest in a durable Fuel Injector for your 2003 Audi, knowing you’re getting trusted brands and expert craftsmanship.

Carquest Premium – Remanufactured Multi Port Fuel Injector (Part No.A212-2575)

Remanufactured Multi Port Fuel Injector

from

$61.99
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

FAQs for 2003 Audi S8 Fuel Injectors

What are the best-selling Fuel Injectors for 2003 Audi S8s?

Out of 5 Fuel Injectors that fit 2003 Audi S8s, the following parts are the top sellers:

What’s the price range for 2003 Audi S8 Fuel Injectors?

The prices of Fuel Injectors for the 2003 Audi S8 range from $8.99 up to $172.99 for the most premium parts.

What is the average price of a Fuel Injector for a 2003 Audi S8?

The average price for Fuel Injectors for the 2003 Audi S8 is $94.39. 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 S8 model years?

Yes, we carry Fuel Injectors for 8 model years of Audi S8s between 2001 and 2018. The following model years are the most popular for Fuel Injector purchases: 2018, 2017, 2016, 2015, 2009, 2008, 2007, 2002, and 2001.

What are the cheapest Fuel Injectors for my 2003 Audi S8?

The cheapest 2003 Audi S8 Fuel Injectors we carry are:

Does Advance Auto Parts sell Fuel Injectors for any other 2003 Audi models?

Yes. We stock Fuel Injectors for 9 other popular 2003 Audi models. Some of the most popular are 2003 A4 Quattro Fuel Injectors, 2003 A4 Fuel Injectors, 2003 A6 Quattro Fuel Injectors, 2003 A6 Fuel Injectors, and 2003 TT Quattro Fuel Injectors.

What types of Fuel Injectors do you sell for my 2003 Audi S8?

As of 3/1/26, these are some of the most in-demand types of Fuel Injectors for a 2003 Audi S8:

Can I get help with 2003 Audi S8 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 S8 Fuel Injectors?

Advance Auto Parts keeps returns simple. For new Audi S8 Fuel Injectors and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.