1999 Audi A8 Fuel Injectors

Keep Your 1999 Audi A8 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 1999 Audi A8 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Fuel Injectors, Fuel Injector Seal Kits, and Air Flow Meters and Mass Air. 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 1999 Audi A8 Fuel Injector at Advance Auto Parts is around $75.80, with a range that starts at $3.99 and goes up to $190.99. With 9 options in stock from 5 trusted brands, finding the right fit is easy. Popular picks like Fuel Injector Seal Kit, Fuel Injector Fuel Feed and Return Pipe O-Ring Kit with 8 O-Rings, and Fuel Injector Fuel Feed and Return Pipe O-Ring Kit with Seals with 2 O-Rings start at just $3.99 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 1999 Audi A8 in peak condition, inside and out.

Essential 1999 Audi A8 Fuel Injectors

Carquest Premium – Fuel Injector Seal Kit (Part No.AS019)

Fuel Injector Seal Kit

from

$3.99
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. Each kit services one injector and includes hard to find or previously dealer-only components.

Product Features:
  • Premium OE quality materials
  • Services one injector
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

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

Carquest Premium – Fuel Injector Seal Kit (Part No.AS017)

Fuel Injector Seal Kit

from

$3.99
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. Each kit services one injector and includes hard to find or previously dealer-only components.

Product Features:
  • Premium OE quality materials
  • Services one injector
See More

Cardone – Remanufactured Mass Air Flow Sensor (Part No.74-10164)

Remanufactured Mass Air Flow Sensor

from

$165.99
CARDONE Remanufactured Mass Air Flow Sensors (MAFS) precisely track O.E. output curves and maintain specific tolerances to ensure accurate scan tool readings for proper operation. 100 percent re-soldering of critical components ensures superior electrical connections, eliminates intermittent failures and lengthens product life. With CARDONE Mass Air Flow Sensors (MAFS), you can expect smooth vehicle performance.

Product Features:
  • 100 percent re-solder of critical components ensures superior electrical connections, no intermittent failures and longer product life.
  • On-car vehicle validation routines ensure that modules meet all form, fit, durability and performance requirements.
  • All modules are 100 percent tested with automated computer test equipment to ensure full functionality and reliability.
  • Our sensors precisely track O.E. output curves and maintain spec tolerances to ensure accurate feedback to the vehicle’s engine control management system.
  • Components are rated to handle demanding temperature variations for optimum reliability in every environment.
  • As a remanufactured Original Equipment part, this unit guarantees a perfect vehicle fit.
  • Our remanufacturing process is earth-friendly, as it reduces the energy and raw material needed to make a new part by 80 percent.
See More

Delphi – Mass Air Flow Sensor (Part No.AF10558)

Mass Air Flow Sensor

from

$190.99
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

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

Fuel Injection Pressure Regulator

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
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 Fuel Injector (Part No.A218-1055)

Remanufactured Fuel Injector

from

$58.99
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

Most Popular Fuel Injector for 1999 Audi A8s

Enhance your 1999 Audi A8 with this popular Fuel Injector we have in stock, for $58.99.

Carquest Premium – Remanufactured Fuel Injector (Part No.A218-1055)

Remanufactured Fuel Injector

from

$58.99
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

Best-Selling 1999 Audi A8 Fuel Injector Seal Kits

Upgrade your A8 with one of our 3 best-selling Fuel Injector Seal Kits.

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

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

Carquest Premium – Fuel Injector Seal Kit (Part No.AS019)

Fuel Injector Seal Kit

from

$3.99
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. Each kit services one injector and includes hard to find or previously dealer-only components.

Product Features:
  • Premium OE quality materials
  • Services one injector
See More

Top-Quality Air Flow Meters and Mass Air for 1999 Audi A8s

Choose a high-quality OEM or aftermarket Air Flow Meters and Mass Air for Audi A8s and enjoy top-notch performance from $165.99.

Delphi – Mass Air Flow Sensor (Part No.AF10558)

Mass Air Flow Sensor

from

$190.99
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

Cardone – Remanufactured Mass Air Flow Sensor (Part No.74-10164)

Remanufactured Mass Air Flow Sensor

from

$165.99
CARDONE Remanufactured Mass Air Flow Sensors (MAFS) precisely track O.E. output curves and maintain specific tolerances to ensure accurate scan tool readings for proper operation. 100 percent re-soldering of critical components ensures superior electrical connections, eliminates intermittent failures and lengthens product life. With CARDONE Mass Air Flow Sensors (MAFS), you can expect smooth vehicle performance.

Product Features:
  • 100 percent re-solder of critical components ensures superior electrical connections, no intermittent failures and longer product life.
  • On-car vehicle validation routines ensure that modules meet all form, fit, durability and performance requirements.
  • All modules are 100 percent tested with automated computer test equipment to ensure full functionality and reliability.
  • Our sensors precisely track O.E. output curves and maintain spec tolerances to ensure accurate feedback to the vehicle’s engine control management system.
  • Components are rated to handle demanding temperature variations for optimum reliability in every environment.
  • As a remanufactured Original Equipment part, this unit guarantees a perfect vehicle fit.
  • Our remanufacturing process is earth-friendly, as it reduces the energy and raw material needed to make a new part by 80 percent.
See More

Our Top Pick for a 1999 Audi A8 Fuel Injector O-Ring Kit

Invest in a durable Fuel Injector O-Ring Kit for your 1999 Audi, knowing you’re getting trusted brands and expert craftsmanship.

Carquest Premium – Fuel Injector Seal Kit (Part No.AS017)

Fuel Injector Seal Kit

from

$3.99
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. Each kit services one injector and includes hard to find or previously dealer-only components.

Product Features:
  • Premium OE quality materials
  • Services one injector
See More

Pressure Regulators for 1999 Audi A8s

Make a smart move for your 1999 Audi A8 with products all priced from $64.99 to $172.99.

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 (Part No.5G1368)

Fuel Injection Pressure Regulator

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
See More

FAQs for 1999 Audi A8 Fuel Injectors

What are the best-selling Fuel Injectors for 1999 Audi A8s?

Out of 9 Fuel Injectors that fit 1999 Audi A8s, the following parts are the top sellers:

What’s the price range for 1999 Audi A8 Fuel Injectors?

The prices of Fuel Injectors for the 1999 Audi A8 range from $3.99 up to $190.99 for the most premium parts.

What is the average price of a Fuel Injector for a 1999 Audi A8?

The average price for Fuel Injectors for the 1999 Audi A8 is $75.80. 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.

What are the cheapest Fuel Injectors for my 1999 Audi A8?

The cheapest 1999 Audi A8 Fuel Injectors we carry are:

Does Advance Auto Parts sell Fuel Injectors for any other 1999 Audi models?

Yes. We stock Fuel Injectors for 4 other popular 1999 Audi models. Some of the most popular are 1999 A4 Quattro Fuel Injectors, 1999 A4 Fuel Injectors, 1999 A6 Quattro Fuel Injectors, 1999 A6 Fuel Injectors, and 1999 A8 Quattro Fuel Injectors.

What types of Fuel Injectors do you sell for my 1999 Audi A8?

As of 11/2/25, these are some of the most in-demand types of Fuel Injectors for a 1999 Audi A8:

Can I get help with 1999 Audi A8 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 A8 Fuel Injectors?

Advance Auto Parts keeps returns simple. For new Audi A8 Fuel Injectors and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.