2002 Audi A6 Fuel and Emissions Systems

Name: OXYGEN SENSOR
Brand: Bosch
SKU: 18089
Price: 296.99 USD

Below you will find various in-demand Audi Fuel and Emissions Systems, components and accessories for your 2002 A6. Advance Auto Parts has popular A6 parts like Fuel Pumps, Fuel Injectors, Oxygen Sensors and more. You’ll also find aftermarket and OEM Fuel and Emissions Systems for other A6 model years including 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018 and more. Select a category of 2002 Audi A6 Fuel and Emissions Systems below and start saving instantly.

Popular 2002 Audi A6 Fuel and Emissions Systems Categories

Air- Fuel Ratio Sensors

Fuel Tank Cleaning Kits

Air Flow Meters and Mass Air

Gas Caps

Fuel Pumps

Oxygen Sensors

Vapor Canister Purge Valves

Emission Control Relays

Smog Pumps

Canister Purge Solenoids

Fuel Injectors

Ambient Air Temperature Sensor Connectors

Pressure Regulators

Air Charge Temperature Sensors

Ambient Air Temperature Sensors

Fuel Injector O-Ring Kits

Fuel Injector Seal Kits

Fuel Injector Gaskets

Fuel Injector Connectors

Mass Air Flow Sensor Connectors

Diverter Valves

Fuel Cap Tester Adapters

Essential Fuel and Emissions Systems for 2002 Audi A6s

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$296.99

OXYGEN SENSOR

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$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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$141.99

The Secondary Air Injection system is an emission control device designed to pump fresh air into the engine exhaust system to reduce harmful emissions and convert the emission into harmless water vapor via a chemical reaction. These systems were used heavily in the pre-catalytic converter emission control period but found some application in vehicles with catalytic converter systems.

Product Features:

Application matched component to ensure the system can be returned to like new condition.
Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.

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$8.99

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

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$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

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$8.49

Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Engineered for the sealing repair environment
Unsurpassed quality you can trust
Validated for fit, form, and function

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$67.99

The temperature of various systems must be reported to the engine control module (ECM) as well as other operating system controllers in the vehicle. Coolant temperature, cabin temperature, exhaust temperature and ambient temperature are just a few systems reported by a temperature sensor. The temperature sensor is fed 5 volts by the systems computer, within the sensor housing will be a thermistor, or dropping resistor whose resistance value will change as the temperature surrounding it changes. Changing resistance in the circuit will change the volt signal at the processor indicating the current operating value.

Product Features:

Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
100% end-of-line tested to ensure accurate signal output providing product reliability, every time.
Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
Lead frame terminal size and location determined using image dimension measuring system or 3D laser scanner.
Application matched components ensures system operation in like new condition.

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$12.49

When replacing a fuel pump or module, it’s extremely important to clean the tank. Existing dirt, debris, and contamination stuck in the fuel tank can clog the brand-new strainer. Delphi’s Fuel Tank Cleaning Kit (FC01) and Tool (FC02) can help clean your fuel tank in less than five minutes. The FC01 includes a low-suds solution, cloth, and gloves that works together with the FC02 to help clean those hard to reach places without having to remove the fuel tank. 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:

Helps avoid premature fuel pump failure
Lint free towel included
Low suds formulation
Removes harmful contaminants from the fuel tank

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$239.99

DENSO Air/Fuel Ratio Sensors are manufactured and tested to the strictest OE standards for unparalleled performance. Each component is precision-built for exact replacement and a first time fit. DENSO gives you the right part and the right fit.

Product Features:

Specifically designed to meet the increasing demands of today’s engines
100 percent checked for high temperature signal output, air tightness, continuity, and heat resistance for optimal efficiency and performance
Coated with aluminum oxide to prevent silicone and lead from contacting the ceramic element and damaging the platinum electrode
Double protection cover helps maintain proper unit temperature for quicker response times, which is critical to your vehicle’s fuel efficiency
Manufactured with a rugged stainless steel housing and porous PTFE filter to resist corrosion and contamination

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$163.99

Carquest Premium fuel pump modules and assemblies are engineered by Carter Fuel Systems or Agility Auto Parts to meet or exceed Original Equipment (OE) specifications for fit, form and function. We have invested in industry-leading quality improvements like upgraded turbine impellers and 100% carbon commutators to deliver greater reliability. Carquest Premium fuel pump modules are supplied with the pump strainer and gaskets or seals when required for the application. Carquest Premium fuel pump modules are engineered with superior quality components to provide the longest life and reliable performance.

Product Features:

Meets or exceeds OE specifications for fit, form and function
100% carbon commutators provide resistance to aggressive fuels and double the life expectancy of the pump
OE upgraded turbine impellers greatly reduce fuel pulsation
All fuel pumps are 100% performance tested
Includes installation gaskets or seals where applicable

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$17.79

Fuel Cap Tester Adaper for use with Stant fuel cap testers. Color coded for easy identification. Made of durable plastic.

Product Features:

BAR Certified adapters
Adapter check’s a fuel cap’s ability to hold pressure.
Adapters meet EPA standards for recommended fleet coverage.
Check adapter application chart for specific makes and models

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$16.79

ACDelco Professional Air Charge Temperature Sensor Connector is a high quality aftermarket replacement component for one or more of the following vehicle systems: ignition, starting and charging, body-electrical and lighting, andor engine fuel management. This premium aftermarket connector is 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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$166.99

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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$65.99

Engineered for a perfect fit and plug-and-play installation, this vapor canister purge valve is a direct replacement for the original equipment purge valve. It is critical to the evaporative emissions system and fulfills government requirements.

Product Features:

Direct replacement – this vapor canister purge valve fits and functions like original equipment to ensure proper function of your vehicle’s evaporative emissions system
Quality construction – manufactured from premium materials for a long service life
Excellent value – original equipment quality at a lower price
Quality tested – has undergone testing to ensure proper fit and performance

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$149.99

Maximize your vehicle’s efficiency and emissions control with Carquest Vapor Canister Purge Solenoids. Engineered for precision, these solenoids seamlessly regulate the flow of fuel vapors from the Vapor Canister to the engine for cleaner combustion, reducing harmful emissions. Built to meet and/or exceed OEM standards, Carquest Purge Solenoids offer reliable functionality, long-lasting durability, and easy installation.

Product Features:

Enhances overall engine performance by providing proper vapor flow to maintain correct air-fuel mixture.
Helps reduce harmful emissions and ensures compliance with environmental regulations by controlling the release of fuel vapors into the engine
Ensures precise operation with electromagnetic principles to control the flow of fuel vapors from the carbon canister to the engine
Manufactured from high quality engineered materials, resistant to fuel vapors and extreme temperatures, ensuring long lasting performance
Meets or exceeds all OEM specifications

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$67.99

Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
100% end-of-line tested to ensure accurate signal output providing product reliability, every time.
Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
Lead frame terminal size and location determined using image dimension measuring system or 3D laser scanner.
Application matched components ensures system operation in like new condition.

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$68.99

Relays are electrical switches used to convert a small electrical load into a circuit capable of handling a high amperage load. Computers and small switches are not designed to carry the higher amperage requirement of a circuit that may have an electric motor, solenoid, or high amperage lighting fixture. Within a relay are contacts that are controlled with electromagnetism, when the circuit switch commands the device on or off, magnetism will pull or release the contact arm closing or opening the contacts within the relay that carry the voltage.

Product Features:

Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the part design process ensures speed-to-market and a precise fit guaranteed.
Where applicable, robust circuit board design increases durability due to heat, shock, and random electro-magnetic pulses (EMP) and power spikes.
Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
100% end-of-line tested to ensure accurate signal output providing product reliability, every time.

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$476.99

This secondary air injection pump is designed to match the fit and function of the original pump on specified applications. Made of quality materials, it is engineered for reliable performance and durability.

Product Features:

Direct replacement – this secondary air injection pump is designed to match the fit and function of the original pump on specified applications
Restores functionality – reliable replacement for an original part that is leaking or has failed due to internal component failure
Durable construction – this part is made from quality materials to ensure reliable performance and long service life
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

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$597.99

Direct replacement – this secondary air injection pump is designed to match the fit and function of the original pump on specified applications
Restores functionality – reliable replacement for an original part that is leaking or has failed due to internal component failure
Durable construction – this part is made from quality materials to ensure reliable performance and long service life
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

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$133.99

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.

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$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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$9.99

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Engineered for the sealing repair environment
Unsurpassed quality you can trust
Validated for fit, form, and function

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$10.99

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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$23.99

Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
WVE 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.
OE specified wire gauge to ensure a reliable electrical connection
Designed to meet or exceed OE specifications in form, fit and function

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$13.99

Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
Sealed connections (where applicable) to prevent environmental corrosion and performance issues
Global coverage for import and/or domestic applications
OE specified wire gauge to ensure a reliable electrical connection
Designed to meet or exceed OE specifications in form, fit and function

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$40.99

Manufactured with OEM quality materials and safety standards by an OE Supplier. Manufactured to pass all state and federal emissions requirements. Specifically designed pressure and vacuum relief valves to prevent evaporation of fuel. A leaking fuel cap can allow up to 30 gallons of gasoline to evaporate over the period of a year.

Product Features:

Passes all state and federal emissions tests
Manufactured from durable, long-life materials
Reduces air pollution with proper sealing and venting
Independently tested for emission control

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$16.49

Passes all state and federal emissions tests
Manufactured from durable, long-life materials
Reduces air pollution with proper sealing and venting
Independently tested for emission control

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$20.99

Protects your fuel from theft and vandalism
Passes all state and federal emissions tests
Manufactured from durable, long-life materials
Reduces air pollution with proper sealing and venting
Independently tested for emission control

Upgrade your 2002 Audi A6 with Top-Quality Fuel and Emissions Systems

When it comes to maintaining or upgrading your 2002 Audi A6, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Audi or enhancing its overall performance, Fuel and Emissions Systems are key to keeping your A6 functioning at its best. At Advance Auto Parts, we offer a wide selection of 38 Fuel and Emissions Systems for the 2002 Audi A6, designed to meet your needs without breaking the bank. From Fuel Pump replacements to Fuel Injectors upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.

Affordable Prices and Wide Selection

Shopping for Fuel and Emissions Systems for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Fuel and Emissions Systems for your 2002 Audi A6 at great prices. Our Fuel and Emissions Systems inventory for this model ranges from just $4.99 to $597.99, with an average price of $103.35. Our 38 Fuel and Emissions Systems in stock come from 13 trusted brands, so you’re sure to find the right part for your 2002 Audi A6 without overspending.

Top Brands and High Customer Satisfaction

Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 2002 Audi A6, we stock popular OEM and aftermarket Fuel and Emissions Systems from top names like Bosch, Hitachi, Carquest Premium, and more. Bosch Fuel and Emissions Systems start at just $112.99 and boast an impressive 4.7 stars average rating from customers. Hitachi and Carquest Premium also bring quality to the table, with Fuel and Emissions Systems available starting at $12.99, and at an average 4.5 stars rating. With 271 customer reviews and counting, our 2002 Audi A6 Fuel and Emissions Systems have a strong track record of reliability, ensuring you can trust your purchase.

Explore Related Parts and More

While you’re here, don’t forget to check out other essential categories that go hand in hand with Fuel and Emissions System upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants and more to make sure your 2002 Audi A6 is always ready to roll. We’re committed to providing you with everything you need to keep your A6 in top shape, all in one place. Start shopping confidently below for your 2002 Audi A6!

Best-Selling Fuel Pumps for 2002 Audi A6s

Enhance the driving experience in your Audi with 6 quality Fuel Pump components, starting at $17.79.

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$253.99

Meets or exceeds OE specifications for fit, form and function
100% carbon commutators provide resistance to aggressive fuels and double the life expectancy of the pump
OE upgraded turbine impellers greatly reduce fuel pulsation
All fuel pumps are 100% performance tested
Includes installation gaskets or seals where applicable

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$163.99

Meets or exceeds OE specifications for fit, form and function
100% carbon commutators provide resistance to aggressive fuels and double the life expectancy of the pump
OE upgraded turbine impellers greatly reduce fuel pulsation
All fuel pumps are 100% performance tested
Includes installation gaskets or seals where applicable

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$171.99

Delphi is a Tier 1 supplier to the majority of global vehicle manufacturers and has been a manufacturer of dependable fuel pumps and fuel delivery parts for over 80 years. With over 30 OE-proprietary innovations and 150 patents in fuel technologies, Delphi is regarded as a market leader in North American fuel management with sales coverage at over 95%. Learn more about our expert-led training programs and tech hotline at 1-877-463-3574. 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:

Delphi is a global OE manufacturer and all fuel pumps are built to Delphi’s OE standards
Delphi pumps are designed to operate under extreme temperatures with quick engine starts and to avoid low-fuel hesitation, including alcohol fuels and blends
Improved pump performance as a result of Delphi’s innovative design and durability
Restores fast pressure performance and system integrity, translating to better pumping through less energy
Part is validated, tested and matched to the right vehicle application
When servicing the fuel system, always check the fuel filter for possible replacement
Always be sure to check and clean fuel tank to avoid unnecessary returns
Always replace the fuel strainer when doing a fuel pump repair

Fuel Pump Module SP5028MCQ: Fuel Pump and Sending Unit

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$149.99

Carquest Premium fuel pump modules and assemblies are built to meet or exceed Original Equipment (OE) specifications for fit, form and function. We have invested in industry-leading quality improvements like upgraded turbine impellers and 100% carbon commutators to deliver greater reliability. Carquest Premium fuel pump modules are supplied with the pump strainer and gaskets or seals when required for the application. Carquest Premium fuel pump modules are engineered with superior quality components to provide the longest life and reliable performance.

Product Features:

Meets or exceeds OE specifications for fit, form and function
100% carbon commutators provide resistance to aggressive fuels and double the life expectancy of the pump
OE upgraded turbine impellers greatly reduce fuel pulsation
All fuel pumps are 100% performance tested
Upgraded guide rods and springs that are mounted internally on all possible applications
Increased rubber footings that are E85 compatible
Includes installation gaskets or seals where applicable

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$34.99

Fuel Cap Tester Adaper for use with Stant fuel cap testers. Color coded for easy identification. Made of durable plastic.

Product Features:

BAR Certified adapters
Adapter check’s a fuel cap’s ability to hold pressure.
Adapters meet EPA standards for recommended fleet coverage.
Check adapter application chart for specific makes and models

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$17.79

Fuel Cap Tester Adaper for use with Stant fuel cap testers. Color coded for easy identification. Made of durable plastic.

Product Features:

BAR Certified adapters
Adapter check’s a fuel cap’s ability to hold pressure.
Adapters meet EPA standards for recommended fleet coverage.
Check adapter application chart for specific makes and models

Most Popular 2002 Audi A6 Fuel Injectors

Customize your Audi with 11 Fuel Injectors products like Air Flow Meters and Mass Air, Fuel Injectors, and Fuel Injector Gaskets, all priced under $223.99.

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$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
Welded connections instead of soldered for dependability
Meets the OE performance and durability standards for this application

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$8.49

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Engineered for the sealing repair environment
Unsurpassed quality you can trust
Validated for fit, form, and function

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$8.99

Premium OE quality materials
Services one injector

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$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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$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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$223.99

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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$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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$64.99

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$61.99

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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$10.99

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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$4.99

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.

Top Picks for 2002 Audi A6 Oxygen Sensors

Upgrade Audi A6s with top-quality Oxygen Sensors parts, including 4 OEM and aftermarket selections for your 2002 model.

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$112.99

Bosch is the world’s leading supplier and original equipment manufacturer of Oxygen Sensors. Bosch invented the automotive oxygen sensor and leads the way in sensor technology and innovation. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance.

Product Features:

Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
Direct Fit includes OE Connector for easy installation
Performance meets or exceeds OE specifications
True Direct-fit OE connectors and harness

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$92.99

Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
Includes Smart Link Connector, no soldering required
No special tools required for installation
Seared protection tube due to 100% functional quality test
Performance meets or exceeds OE specifications

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$131.99

Advanced Wideband sensing element for exact air/fuel measurement
Robust sensor design increases sensor longevity
Seared protection tube due to 100% functional quality test
True Direct-fit
Pre-coated threads with anti-seize compound right out of the box

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$136.99

DENSO Oxygen Sensors are manufactured and tested to the strictest OE standards for unparalleled performance. Each component is precision built for exact replacement, and a first time fit. This innovative line features DENSO’s exclusive aluminum oxide trap layer, designed to protect the ceramic element from silicone and lead poisoning for improved engine performance, greater fuel efficiency, and unparalleled longevity. DENSO gives you the right part and the right fit.

Product Features:

Specifically designed to meet the increasing demands of today’s engines
100 percent checked for high temperature signal output, air tightness, continuity, and heat resistance for optimal efficiency and performance
Coated with aluminum oxide to prevent silicone and lead from contacting the ceramic element and damaging the platinum electrode
Double protection cover helps maintain proper unit temperature for quicker response times, which is critical to your vehicle’s fuel efficiency
Manufactured with a rugged stainless steel housing and porous PTFE filter to resist corrosion and contamination

In-Demand Gas Caps for 2002 Audi A6s

Select from 3 premium Gas Caps parts for your 2002 Audi A6, with prices ranging from $12.99 to $20.99.

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$20.99

Protects your fuel from theft and vandalism
Passes all state and federal emissions tests
Manufactured from durable, long-life materials
Reduces air pollution with proper sealing and venting
Independently tested for emission control

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$12.99

Passes all state and federal emissions tests
Manufactured from durable, long-life materials
Reduces air pollution with proper sealing and venting
Independently tested for emission control

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$15.99

Come pre-assembled for quick and easy installation.
Several fastener options to work with any fuel cap compartment configuration
Fits vehicles orginally equipped with tether
Reduces air pollution with proper sealing and venting
Manufactured from durable, long-life materials

Most Sold 2002 Audi A6 Air Flow Sensors

Explore our best-selling Audi parts for the 2002 A6 among 7 OEM and aftermarket options starting from $13.99.

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$23.99

Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
WVE 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.
OE specified wire gauge to ensure a reliable electrical connection
Designed to meet or exceed OE specifications in form, fit and function

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$13.99

Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
Sealed connections (where applicable) to prevent environmental corrosion and performance issues
Global coverage for import and/or domestic applications
OE specified wire gauge to ensure a reliable electrical connection
Designed to meet or exceed OE specifications in form, fit and function

from

$16.79

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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$13.99

Electrical parts control all aspects of vehicles on the road today. Replacing these components when they are starting to fail will ensure your vehicle has maximum performance and fuel economy. This is why Rein Automotive electrical parts are application specific and match the design and function of the OE parts.

Product Features:

Tested to ensure maximum performance
Manufactured to strict engineering standards/specifications in materials and tolerances
Long life and durability
Made by the OE manufacturer

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$234.99

DENSO Air/Fuel Ratio Sensors are manufactured and tested to the strictest OE standards for unparalleled peformance.; Each component is precision-built for exact replacement¿ and a first time fit.; DENSO gives you the right part and the right fit¿ the first time.

Product Features:

Specifically designed to meet the increasing demands of today’s engines
100 percent checked for high temperature signal output, air tightness, continuity, and heat resistance for optimal efficiency and performance
Coated with aluminum oxide to prevent silicone and lead from contacting the ceramic element and damaging the platinum electrode
Double protection cover helps maintain proper unit temperature for quicker response times, which is critical to your vehicle’s fuel efficiency
Manufactured with a rugged stainless steel housing and porous PTFE filter to resist corrosion and contamination

from

$67.99

Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
100% end-of-line tested to ensure accurate signal output providing product reliability, every time.
Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
Lead frame terminal size and location determined using image dimension measuring system or 3D laser scanner.
Application matched components ensures system operation in like new condition.

from

$67.99

Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
100% end-of-line tested to ensure accurate signal output providing product reliability, every time.
Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
Lead frame terminal size and location determined using image dimension measuring system or 3D laser scanner.
Application matched components ensures system operation in like new condition.

Top-Rated Fuel and Emissions Systems Brands For Your 2002 Audi A6

Shop for the best-rated brands offering Fuel and Emissions Systems and other products for your 2002 Audi A6s. Below you’ll find some of our best rated Fuel and Emissions Systems from Bosch, Hitachi, and Carquest Premium, and more. Fuel and Emissions Systems from these brands that fit a 2002 A6 start at just $12.99 and are rated as high as 4.7 stars. OEM and aftermarket Fuel and Emissions Systems don’t get more top quality, durable, and affordable than from the brands below.

Popular Bosch 2002 Audi A6 Fuel and Emissions Systems

When it comes to maintaining or upgrading your 2002 Audi A6, using quality Fuel and Emissions Systems is essential to ensure durability and a perfect fit. Bosch ticks all of those boxes. We offer a wide selection of Bosch Fuel and Emissions Systems, specifically designed for the 2002 Audi A6. With over 1 Bosch brand Fuel and Emissions Systems in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $112.99. Plus, with over 2 customer reviews and an average rating of 4.7 stars, you can trust that our Bosch Fuel and Emissions Systems will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.

from $112.99

(2)

Oxygen Sensor: 4 Wire, 68.7" Long, Heated, Exact Fit

“Price good better than other auto parts. Stores”

Popular Hitachi 2002 Audi A6 Fuel and Emissions Systems

Hitachi auto parts is one of the highest quality Fuel and Emissions System brands in the market. Any 2002 Audi A6 owner should feel confident when installing genuine Hitachi parts in their vehicle. To ensure the best fit and performance for your 2002 A6, Advance Auto Parts carries a full inventory of 1 Hitachi Fuel and Emissions Systems. Plus you will be keeping your Audi in peak condition while saving money because prices on these Hitachi Fuel and Emissions Systems range up to $161.99, plus, with more than 2 customer reviews and an impressive 4.5 stars average rating, you can be confident the Fram Fuel and Emissions Systems below will deliver on both quality and value.

from $161.99

(2)

Mass Air Flow Sensor

“I’m an Audi/VW guru and if you own one of these you know how important it is to get OEM parts. Especially when it comes to the MAF. I just wanted to”

FAQs for 2002 Audi A6 Fuel and Emissions Systems

Which Fuel and Emissions Systems are best-sellers for 2002 Audi A6s?

Out of 38 Fuel and Emissions Systems that fit 2002 Audi A6s, the following parts are the top sellers:

Fuel Injector O-Ring Kit (3504360) – $8.49
Fuel Injector Seal Kit (11450392) – $8.99
Fuel Tank Cleaning Kit (11692237) – $12.49

What’s the price range for 2002 Audi A6 Fuel and Emissions Systems?

Fuel and Emissions System prices for the 2002 Audi A6 start at $4.99 and go up to $597.99 for the most premium parts.

What’s the average price of a Fuel and Emissions System for a 2002 Audi A6?

The average price for Fuel and Emissions Systems for the 2002 Audi A6 is $103.35. Keep in mind the variety of part types within our Fuel and Emissions System category so you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Fuel and Emissions Systems for other Audi A6 model years?

Yes, we currently carry Fuel and Emissions Systems for 21 model years of Audi A6s between 1995 and 2018. Fuel and Emissions Systems are bought most frequently for the following model years: 2018, 2017, 2016, 2015, 2014, 2013, 2012, 2011, and 2010.

What are the cheapest Fuel and Emissions Systems for my 2002 Audi A6?

The cheapest 2002 Audi A6 Fuel and Emissions Systems we carry in stock are:

Fuel Injector Connector (12541458) – $4.99
Fuel Injector O-Ring Kit (3504360) – $8.49
Fuel Injector Seal Kit (11450392) – $8.99
Fuel Injector Seal Kit (10981517) – $8.99
Fuel Injection Throttle Body Mounting Gasket (12547898) – $10.99

What are the top-rated Fuel and Emissions Systems that fit the 2002 Audi A6?

Out of 271 reviews by customers, our 2002 Audi A6 Fuel and Emissions Systems have an average customer rating of . These are some of the highest-rated Fuel and Emissions System types for the 2002 Audi A6 and their top-rated products:

Vapor Canister Purge Valves
- Evaporative Emissions Purge Solenoid Valve (10017804) – $65.99
Oxygen Sensors
- Evaporative Emissions Purge Solenoid Valve (10017804) – $65.99

What types of Fuel and Emissions Systems do you sell for my 2002 Audi A6?

As of 11/2/25, these are some of the most in-demand types of Fuel and Emissions Systems for a 2002 Audi A6:

Can I get help with 2002 Audi A6 Fuel and Emissions System orders?

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

What is your return policy for Audi A6 Fuel and Emissions Systems?

Advance Auto Parts keeps returns simple. For new Audi A6 Fuel and Emissions Systems and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

2002 Audi A6 Fuel and Emissions Systems

Bosch – OXYGEN SENSOR (Part No.18089)

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

Carquest Premium – Diverter Valve (Part No.ECC2429)

Carquest Premium – Fuel Injector Seal Kit (Part No.AS008)

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

Felpro – Fuel Injector O-Ring Kit (Part No.ES 70599)

Carquest Premium – Ambient Air Temperature Sensor (Part No.WTA2018)

Delphi – Fuel Tank Cleaning Kit (Part No.FC01)

DENSO – Wideband Oxygen Sensor: Upstream, 5 Wire, 22.52" Long, Heated, Exact Fit (Part No.234-5164)

Carquest Premium – Fuel Pump Module Assembly: Fuel Pump, Sending Unit, Wiring Harness and Strainer (Part No.M2270372)

Carquest Premium – Fuel Cap Tester Adapter: (Part No.12410)

ACDelco – Multi-Purpose Pigtail (Part No.PT2164)

Hitachi – Fuel Injector – New Actual OE Part (Part No.FIJ0035)

Dorman – Evaporative Emissions Purge Solenoid Valve (Part No.911-800)

Carquest Premium – Vapor Canister Purge Solenoid: Includes Mounting Hardware (Part No.CPC2509)

Carquest Premium – Air Charge Temperature Sensor (Part No.WTA1883)

Carquest Premium – Multi-Purpose Relay (Part No.RAA1878)

Dorman – Secondary Air Injection Pump (Part No.306-031)

Dorman – Secondary Air Injection Pump (Part No.306-029)

Cardone – Remanufactured Mass Air Flow Sensor (Part No.74-50038)

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

Felpro – Fuel Injection Throttle Body Mounting Gasket (Part No.61847)

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

Carquest Premium – Multi-Use Connector (Part No.PTA1104)

Carquest Premium – Multi-Use Connector (Part No.ABA3461)

Carquest Premium – Fuel Cap: Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10844)

Carquest Premium – Fuel Cap: Screw On, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10827)

Carquest Premium – Locking Fuel Cap: Screw On, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10505)

Carquest Premium – Fuel Pump Module Assembly: Fuel Pump, Sending Unit and Strainer (Part No.M2335312)

Carquest Premium – Fuel Pump Module Assembly: Fuel Pump, Sending Unit, Wiring Harness and Strainer (Part No.M2270372)

Delphi – Electric Fuel Pump and Strainer Set: 12V, With 2 Male Blade Terminals, External Strainer (Part No.FG0418)

Carquest Premium – Fuel Pump Module SP5028MCQ: Fuel Pump and Sending Unit (Part No.SP5028MCQ)

Carquest Premium – Fuel Cap Tester Adapter: (Part No.12427)

Carquest Premium – Fuel Cap Tester Adapter: (Part No.12410)

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

Felpro – Fuel Injector O-Ring Kit (Part No.ES 70599)

Carquest Premium – Fuel Injector Seal Kit (Part No.AS008)

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

Carquest Premium – Mass Air Flow Sensor (MAF) – 100% NEW (Part No.MQ7281)

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

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

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

Carquest Premium – Remanufactured Fuel Injector (Part No.A212-2015)

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

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

Bosch – Oxygen Sensor: 4 Wire, 68.7" Long, Heated, Exact Fit (Part No.16978)

Bosch – Oxygen Sensor: 4 Wire, 24.92" Long, Heated, Universal (Part No.15733)

Bosch – Wideband Oxygen Sensor: 5 Wire, 28.74" Long, Heated, Exact Fit (Part No.17353)

DENSO – Oxygen Sensor: 4 Wire, 69.21" Long, Heated, Exact Fit (Part No.234-4874)

Carquest Premium – Locking Fuel Cap: Screw On, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10505)

Carquest Premium – Non-Locking Fuel Tank Cap (Part No.10835)

Motorad – Tethered Fuel Cap (Part No.MGC835T)

Carquest Premium – Multi-Use Connector (Part No.PTA1104)

Carquest Premium – Multi-Use Connector (Part No.ABA3461)

ACDelco – Multi-Purpose Pigtail (Part No.PT2164)

Rein – Thermo Switch (Part No.ELT0059)

DENSO – Wideband Oxygen Sensor: Upstream, 5 Wire, 28.74" Long, Heated, Exact Fit (Part No.234-5028)

Carquest Premium – Ambient Air Temperature Sensor (Part No.WTA2018)

Carquest Premium – Air Charge Temperature Sensor (Part No.WTA1883)