2003 Audi A6 Quattro Fuel Injectors

Essential 2003 Audi A6 Quattro Fuel Injectors

Carquest Premium – Fuel Injector Seal Kit (Part No.AS070)

Fuel Injector Seal Kit

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$15.29
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.
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Carquest – Fuel Injector Seal Kit (Part No.274830)

Fuel Injector Seal Kit

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$49.05
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 Premium – Injector Seal Kit (Part No.AS060)

Injector Seal Kit

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$21.99
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
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Bosch – Bosch Fuel Pressure Regulator (Part No.C300056477BOS)

Bosch Fuel Pressure Regulator

from

$51.73
An essential part of the Fuel System, the Fuel Pressure Regulators’ sole purpose is to maintain fuel pressure at a constant differential to manifold vacuum under all engine load conditions.

Product Features:
  • Corrosion resistant housing material
  • Premium diaphragm materials for longer service life
  • Internal precision components maintain stable fuel pressure and ensure adequate fuel return
  • Meets or exceeds OEM specifications
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Bosch – Fuel Injector Seal (Part No.C101016838BOS)

Fuel Injector Seal

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$2.05
Bosch is one of the largest global suppliers of automotive products, developing, manufacturing and supplying precision OE components and systems to vehicle manufacturers and the automotive aftermarket.
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Bosch – Fuel Injector Seal Kit (Part No.C106016844BOS)

Fuel Injector Seal Kit

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$10.76
Bosch is one of the largest global suppliers of automotive products, developing, manufacturing and supplying precision OE components and systems to vehicle manufacturers and the automotive aftermarket. This 5-piece kit contains 3 O-rings (black), 1 support ring (gray), and 1 protective cap (yellow). Use one kit per injector.
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Carquest – Fuel Injector Connector (Part No.PT2318)

Fuel Injector Connector

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$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

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$4.29
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Elwis – Throttle Body Gasket (Part No.C7001338567ELW)

Throttle Body Gasket

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$6.68
Throttle Body Gasket

Victor Reinz – Fuel Injection Throttle Body Mounting Gasket (Part No.71-16588-00)

Fuel Injection Throttle Body Mounting Gasket

from

$9.99
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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Elring – Throttle Body Gasket (Part No.C7001266071ELR)

Throttle Body Gasket

from

$8.33
Throttle Body Gasket

Felpro – Fuel Injection Throttle Body Mounting Gasket (Part No.61491)

Fuel Injection Throttle Body Mounting Gasket

from

$7.79
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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Mahle – FI Throttle Body Mou (Part No.C7001266066MAH)

FI Throttle Body Mou

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$4.67
FI Throttle Body Mou

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

Fuel Injection Pressure Regulator

from

$58.99
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
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Delphi – Fuel Injection Pressure Regulator (Part No.FP10312)

Fuel Injection Pressure Regulator

from

$172.99
100 years of OE experience, supplier to the world’s top automakers, OE Heritage and knowledge built into every aftermarket part.

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 – Remanufactured Fuel Injector (Part No.A212-2525)

Remanufactured Fuel Injector

from

$41.99
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.A212-1775)

Remanufactured Fuel Injector

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$53.49
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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Hitachi – Fuel Injector – New Actual OE Part (Part No.FIJ0038)

Fuel Injector - New Actual OE Part

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$226.99
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. Hitachi is a Tier One OE supplier to the largest automobile manufacturers globally, delivering industry leading quality, and exceeding customer expectations with our products and service. Hitachi is bringing that same knowledge and expertise to the premium products we deliver in the Aftermarket because Quality Matters.

Product Features:
  • Hitachi is a Tier 1 OE supplier for fuel injectors
  • 100% NEW, never remanufactured
  • 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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Carquest Premium – Remanufactured Fuel Injector (Part No.A212-1785)

Remanufactured Fuel Injector

from

$53.99
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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Hitachi – Fuel Injector (Part No.C10002524363HIT)

Fuel Injector

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$173.02
Hitachi fuel injectors are manufactured to OE requirements that meet federal emissions and fuel economy standards, and provide exact OE fit for ease of installation. Hitachi injectors are manufactured using internal components that are compatible with alternative fuels or fuel blends, including ethanol mixtures.

Product Features:
  • Original Equipment Manufacturer
  • Premium internal components
  • OE Calibrated impedance
  • Fine atomized spray reduces emissions
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Carquest Premium – Remanufactured Fuel Injector (Part No.A212-2235)

Remanufactured Fuel Injector

from

$53.99
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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Hitachi – Air Flow Sensor – New Actual OE Part (Part No.MAF0021)

Air Flow Sensor - New Actual OE Part

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$279.99
Hitachis 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 Hitachis air flow sensors the premium choice.

Product Features:
  • Hitachi is a Tier 1 OE supplier for air flow sensors
  • 100% NEW, never remanufactured
  • Hitachi’s advanced precision elements and high quality components provide enhanced durability. We feature exact fitment and calibration for each vehicle, which assists engine efficiency and fuel mileage. Our sensors are 100% air flow tested to meet exac
  • Precision manufactured and assembled sensing elements for accurate air flow measurements
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BSE Original – Mass Air Flow (MAF) Sensor (Part No.221048M)

Mass Air Flow (MAF) Sensor

from

$56.99
Blue Streak Electronics is the leader in remanufactured electronics since 1987 and a name synonymous with OE performance. Blue Streak Electronics provides the highest quality, most comprehensive line of Engine, Transmission, Body, Powertrain control modules, Mass Air Flow Sensors, Diagnostic tools and Flash Programming solutions.

Product Features:
  • BSE mass air flow sensors are 100% tested to perform like new. OEM designs are analyzed, and design upgrades are implemented when necessary to provide improved durability over the OEM design.
  • Sensors are validated for extended run, extreme hot and cold, over-voltage, over-current, and shock and vibration.
  • Guaranteed to match vehicle requirements for performance, drivability, fuel economy and emissions.
  • All parts are THE ORIGINAL parts your car was built with. All parts are validated for on car fit, form, and function.
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Carquest Premium – Mass Air Flow Sensor (MAF) – 100% NEW (Part No.MQ7361)

Mass Air Flow Sensor (MAF) - 100% NEW

from

$123.99
Advance Auto Parts is proud to carry all new mass air flow sensors that use high-quality components with the highest quality standards.

Product Features:
  • CARQUEST MAF use all new high-quality components at the highest quality standards.
  • Manufactured with new and advanced technology to perform, fit and function at OE specifications.
  • All new product that is tested with OEM equipment to OEM standards
  • Outperforms competition when tested in extreme environmental conditions
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Carquest Premium – Mass Air Flow Sensor (MAF) – 100% NEW (Part No.MQ7281)

Mass Air Flow Sensor (MAF) - 100% NEW

from

$91.99
Advance Auto Parts is proud to carry all new mass air flow sensors that use high-quality components with the highest quality standards.

Product Features:
  • CARQUEST MAF use all new high-quality components at the highest quality standards.
  • Manufactured with new and advanced technology to perform, fit and function at OE specifications.
  • All new product that is tested with OEM equipment to OEM standards
  • Outperforms competition when tested in extreme environmental conditions
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Hitachi – Mass Air Meter (Part No.B3130127419HIT)

Mass Air Meter

from

$330.15
Hitachi manufactures a direct fit Air Mass Meter that guarantees OEM quality, fit and performance.

Product Features:
  • OEM Quality Direct fit Application
  • Platinum coated sensing element
  • Meets or exceeds OEM specifications
  • Utilizes the factory style mounts, connectors and fittings
  • Provides exceptional reliability
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Cardone – Mass Air Flow Sensor (Part No.74-10126)

Mass Air Flow Sensor

from

$141.99
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% 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% 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% 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%.
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Hitachi – Air Flow Sensor – New Actual OE Part (Part No.MAF0022)

Air Flow Sensor - New Actual OE Part

from

$331.99
Hitachis 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 Hitachis air flow sensors the premium choice.

Product Features:
  • Hitachi is a Tier 1 OE supplier for air flow sensors
  • 100% NEW, never remanufactured
  • Hitachi’s advanced precision elements and high quality components provide enhanced durability. We feature exact fitment and calibration for each vehicle, which assists engine efficiency and fuel mileage. Our sensors are 100% air flow tested to meet exac
  • Precision manufactured and assembled sensing elements for accurate air flow measurements
See More

2003 Audi A6 Quattro Fuel Injectors

Maybe you’re in the middle of a full rebuild of that 2003 Audi A6 Quattro. Maybe you just need a couple of Fuel Injectors. Either way, Advance Auto Parts has 28 different Fuel Injectors in our inventory ranging from $2.05 to $330.15. That means you can find the exact parts or products you need to keep that 2003 Audi A6 Quattro running smoothly.

Fuel Injectors are only as good as their brand. We stock 14 different brands to make sure you have plenty of trusted parts to choose from for your 2003 Audi A6 Quattro. Carquest, AC Delco, and Hitachi are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Fuel Injectors for your 2003 Audi A6 Quattro, but don’t take our word for it – read our customer ratings and reviews and buy with confidence.

So if you’re in the market for aftermarket Fuel Injectors to keep your 2003 Audi A6 Quattro rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Fuel Injectors Brands To Make Your 2003 Audi A6 Quattro Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 2003 Audi A6 Quattro demands trusted brand parts and products to keep it running. Many trusted brands of Fuel Injectors make up Advance Auto Parts’ inventory, and all are ready to help make your A6 Quattro the best it can be. Be sure to browse some of our top Fuel Injectors brands and parts.

Popular Hitachi Fuel Injectors

We carry Hitachi parts in our stock across Air Flow Meters and Mass Air categories, plus more. For a 2003 Audi A6 Quattro, our most popular Hitachi Fuel Injectors include:
Mass Air Flow Sensor
from $164.99
(2)
Mass Air Flow Sensor
Air Flow Meters and Mass Air