2001 Audi A6 Fuel and Emissions Systems

Name: Fuel Tank Cleaning Kit
Brand: Delphi
SKU: FC01
Price: 12.49 USD

Below you will find various in-demand Audi Fuel and Emissions Systems, components and accessories for your 2001 A6. Advance Auto Parts has popular A6 parts like Oxygen Sensors, Air Flow Sensors, Fuel Pumps 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 2001 Audi A6 Fuel and Emissions Systems below and start saving instantly.

Please Select your Vehicle to See Exact Fit Parts

Popular 2001 Audi A6 Fuel and Emissions Systems Categories

Fuel Tank Cleaning Kits

Air Flow Meters and Mass Air

Vapor Canister Purge Valves

Smog Pumps

Canister Purge Solenoids

Mass Air Flow Sensor Relays

Pressure Regulators

Air Charge Temperature Sensors

Fuel Injector O-Ring Kits

Fuel Injector Seal Kits

Diverter Valves

Crankcase Breather Hoses

Fuel Cap Tester Adapters

Vacuum Control Valves

Essential Fuel and Emissions Systems for 2001 Audi A6s

from

$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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$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

from

$10.29

The ACDelco Professional Fuel Injector Seal Kit contains high quality aftermarket replacement components for one or more of the following vehicle systems: ignition, and/or engine fuel management. This premium aftermarket kit contains components that are manufactured to meet or exceed your expectations for fit, form, and function.

Product Features:

Professional, premium aftermarket replacement
Provides the performance and dependability you expect from ACDelco
Manufactured to meet expectations for fit, form, and function

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$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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$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. Includes hard to find or previously dealer-only components.

Product Features:

Premium OE quality materials
Services one injector

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$31.99

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

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

from

$57.99

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.

from

$65.99

The Engine Crankcase Suction Pump is part of the crankcase ventilation system and is designed to pull the crankcase vapors from the crankcase and into the crankcase ventilation system where they are drawn into the engine air intake system and burned during the combustion process.

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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$14.99

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, . 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
Ideal replacement of malfunctioning OE vacuum control valve solenoid
Direct replacement design for easy installation
Manufactured to meet or exceed OE performance

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$182.99

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:

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 OE connectors and harness
Recommend to use OTC 6500 Flexihead O2 Sensor Wrench

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$89.99

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
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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$705.99

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
Empty float height and float retention matches OE specifications and guarantees correct gas gauge reading
Lower amperage draws less load on vehicle’s electrical system
Part is validated, tested and matched to the right vehicle application
Always be sure to check and clean fuel tank to avoid unnecessary returns
Lower failure rates due to its innovative design and durability

from

$402.99

Delphi is a global OE manufacturer and all fuel pumps are built to Delphi’s OE standards
Empty float height and float retention matches OE specifications and guarantees correct gas gauge reading
Lower amperage draws less load on vehicle’s electrical system
Part is validated, tested and matched to the right vehicle application
Always be sure to check and clean fuel tank to avoid unnecessary returns
Lower failure rates due to its innovative design and durability

from

$279.99

Hitachi¿s Air Flow Sensors (MAFs) measure the amount and characteristics of air entering the engine. Hitachi uses precision elements and high-quality components for enhanced durability and accurate air flow measurements. Hitachi MAFs are 100% air flow tested for ideal performance and are calibrated for each application ensuring your vehicle meets the strict emission standards set by the manufacturer. Details such as a contaminant bypass port (when applicable) and protected circuitry providing a durable and reliable product approved by OE manufacturers makes Hitachi¿s air flow sensors the premium choice.

Product Features:

Meets the OE performance and durability standards for this application
Welded connections instead of soldered for dependability
Contaminant bypass port provides reliable operation and increases longevity
Contaminant bypass port provides reliable operation and increases longevity
Meets the OE performance and durability standards for this application
Welded connections instead of soldered for dependability

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$132.99

Continental mass air flow sensors, or MAFS, are the genuine OEM part. Continental sensors are made and manufactured to the highest quality and original equipment specifications. They are identical in fit, form, and function and provide the genuine quality of OE components supplied to auto manufacturers worldwide. MAFS are essential in optimizing fuel economy and ensure your vehicle is running at peak performance and efficiency.

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$194.99

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.

from

$262.99

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.

from

$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
Independently tested for emission control

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$15.99

Product Features:

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

from

$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

from

$6.99

Guaranteed fitment
Replacement of failed relay instantly restores proper electrical circuit performance
Direct-fit OE reproduction design for easy plug-and-play installation
Manufactured using high-quality materials to withstand intense vehicle heat and cold-weather condensation that can damage lesser quality relays
Modern electronics resist electrical arcing and burnout for long-term reliability
Factory tested for proper performance

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$28.99

Guaranteed fitment
Ideal replacement of malfunctioning OE vacuum control valve solenoid
Direct replacement design for easy installation
Manufactured to meet or exceed OE performance

from

$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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$29.99

This engine crankcase breather hose is designed to match the fit and function of the original hose on specified vehicles, and is engineered for durability and reliable performance.

Product Features:

Direct replacement – this engine crankcase breather hose is designed to match the fit and function of the original hose on specified vehicle
Restores functionality – reliable replacement for an original hose that has failed due to pressure, heat and cracking
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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$36.99

Guaranteed fitment
Replacement of failed OE hose instantly restores crankcase breather functionality for proper control of hydrocarbon emissions
High-quality materials resist cracking and splitting due to engine heat and oil vapor

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$26.99

Rein Automotive OE quality breather hoses fit European vehicles the way the original manufacturer intended. Designed to be direct replacements for OE hoses, Rein hoses are identical to the OEM.

Product Features:

Matches original equipment design specifications.
Manufactured with high quality materials.
Direct fit for easy installation.
Resistant to heat, salt, road debris, oil and other contaminants.

Upgrade your 2001 Audi A6 with Top-Quality Fuel and Emissions Systems

When it comes to maintaining or upgrading your 2001 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 32 Fuel and Emissions Systems for the 2001 Audi A6, designed to meet your needs without breaking the bank. From Oxygen Sensor replacements to Air Flow Sensors 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 2001 Audi A6 at great prices. Our Fuel and Emissions Systems inventory for this model ranges from just $6.99 to $597.99, with an average price of $101.28. Our 32 Fuel and Emissions Systems in stock come from 11 trusted brands, so you’re sure to find the right part for your 2001 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 2001 Audi A6, we stock popular OEM and aftermarket Fuel and Emissions Systems from top names like Hitachi, Carquest Premium, Delphi, and more. Hitachi Fuel and Emissions Systems start at just $279.99 and boast an impressive 4.5 stars average rating from customers. Carquest Premium and Delphi also bring quality to the table, with Fuel and Emissions Systems available starting at $12.99, and at an average 4.4 stars rating. With 163 customer reviews and counting, our 2001 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 2001 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 2001 Audi A6!

Best-Selling Oxygen Sensors for 2001 Audi A6s

Enhance the driving experience in your Audi with 4 quality Oxygen Sensor components, starting at $92.99.

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from

$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

from

$134.99

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

from

$143.99

NGK is the sensor specialist for import and domestic applications. Established under the NGK product family, oxygen sensors are part of our ongoing commitment to streamlining product types and increasing coverage. A ceramic company at our core, uses cutting-edge technology to control the ceramic used in our oxygen sensors from raw material to finished product. is the world’s largest supplier and manufacturer of OE oxygen sensors. Combining expertise and innovation, oxygen sensors deliver superior fit, form, and function. oxygen sensors undergo extensive testing during manufacturing to ensure quality and reliability that meets or exceeds OE specifications. As new vehicles incorporate connected and automated technologies, trust The Sensor Specialist for comprehensive market support and OE application technology.

Product Features:

OEM QUALITY: is the world’s largest supplier of original equipment oxygen sensors with renowned quality that meets or exceeds OEM specifications
PRODUCT ENGINEERING: Based on OE expertise, but specifically engineered for the aftermarket, Oxygen Sensors offer superior OE fit, form, function
OE TECHNOLOGY: Upgraded to the latest OE technologies, Oxygen Sensors are designed to reduce OE failures, enhance durability and performance
EXTENSIVE TESTING: OE development includes vibration and thermal shock testing. Testing during manufacturing guarantees quality and reliability
EASY INSTALLATION: Oxygen Sensors are equipped with OE specified, water-resistant connectors and harness accessory hardware for easy installation
ADVANCED CERAMIC SENSOR ELEMENT: 3-stage contaminant-resistant plasma jet and deposit trap overcoat protects against element poisoning
ADVANTAGE: Superior dual-coated platinum interface and thinner ceramic element produces fastest light off and response times with best durability

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$143.99

NTK is the sensor specialist for both import and domestic applications. Established under the NGK product family, NTK oxygen sensors are part of our ongoing commitment to streamlining product types and expanding coverage. A ceramics company at our core, NTK utilizes advanced technology to control the ceramics used in our oxygen sensors, from raw material to finished product. NTK is the world’s largest supplier and manufacturer of original equipment oxygen sensors. Combining expertise and innovation, NTK oxygen sensors offer superior fit, form, and function. NTK oxygen sensors undergo extensive testing during manufacturing to ensure quality and reliability meet or exceed OE specifications. As new vehicles incorporate connected and automated technologies, trust The Sensor Specialist for comprehensive in-market support and OE application technology.

Product Features:

OEM QUALITY: NTK is the world’s largest supplier of original equipment oxygen sensors with renowned quality that meets or exceeds OEM specifications
PRODUCT ENGINEERING: Based on OE expertise, but specifically engineered for the aftermarket, NTK Oxygen Sensors offer superior OE fit, form, function
OE TECHNOLOGY: Upgraded to the latest OE technologies, NTK Oxygen Sensors are designed to reduce OE failures, enhance durability and performance
EXTENSIVE TESTING: OE development includes vibration and thermal shock testing. Testing during manufacturing guarantees quality and reliability
EASY INSTALLATION: NTK Oxygen Sensors are equipped with OE specified, water-resistant connectors and harness accessory hardware for easy installation
ADVANCED CERAMIC SENSOR ELEMENT: 3-stage contaminant-resistant plasma jet and deposit trap overcoat protects against element poisoning
NTK ADVANTAGE: Superior dual-coated platinum interface and thinner ceramic element produces fastest light off and response times with best durability

Top Picks for 2001 Audi A6 Fuel Pumps

Upgrade Audi A6s with top-quality Fuel Pumps parts, including 5 OEM and aftermarket selections for your 2001 model.

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from

$57.99

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.

from

$171.99

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
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
Lower amperage draws less load on vehicle’s electrical system
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

from

$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

from

$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

from

$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

In-Demand Fuel Injectors for 2001 Audi A6s

Select from 7 premium Fuel Injectors parts for your 2001 Audi A6, with prices ranging from $8.99 to $279.99.

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from

$279.99

Meets the OE performance and durability standards for this application
Welded connections instead of soldered for dependability
Contaminant bypass port provides reliable operation and increases longevity
Contaminant bypass port provides reliable operation and increases longevity
Meets the OE performance and durability standards for this application
Welded connections instead of soldered for dependability

from

$223.99

Every single Delphi mass air flow (MAF) sensor that we manufacture – whether with or without the housing – is built with calibrated all-new components and is never remanufactured. Our mass air flow sensors are designed and tested to meet or exceed OE requirements, and engineered for a perfect fit in more than 180 million vehicles on the road today in North America – including makes from Ford, Toyota, Nissan, Volkswagen, Hyundai, BMW, Honda, GM, Mazda, Subaru, Acura and more.

Product Features:

Delphi mass air flow sensors are the global benchmark for accuracy and signal noise
Delphi mass air flow sensors feature high quality sensing elements for outstanding performance over a wide range of ambient temperatures
Delphi is a manufacturer of OE mass air flow sensors since their first use over 30 years ago
All parts are calibrated and tested to match the OE part
Probe solution offered wherever possible to reduce repair time by eliminating the need to replace the flow tube
Delphi OE technology validated to match the vehicle applications

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$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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$179.99

Carquest Premium mass air flow (MAF) sensors are built to meet the original equipment (OE) specifications for each application. Our MAF sensors are built by a manufacturer that meets IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Carquest Premium mass air flow sensors are 100% new and undergo extensive validation testing to ensure long-lasting performance and reliability.

Product Features:

Designed to meet OE specifications for fit, form and function
100% new unit with no core charge
Advanced micro-controlled technology delivers more accurate output in extreme temperatures
Extensive validation testing to ensure precision output for better performance and reliability
O-rings or gaskets included where applicable

from

$172.99

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

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.

from

$8.99

With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.

Product Features:

Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.

Most Sold 2001 Audi A6 Gas Caps

Explore our best-selling Audi parts for the 2001 A6 among 2 OEM and aftermarket options starting from $12.99.

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from

$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
Independently tested for emission control

from

$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

Top-Rated Fuel and Emissions Systems Brands For Your 2001 Audi A6

Shop for the best-rated brands offering Fuel and Emissions Systems and other products for your 2001 Audi A6s. Below you’ll find some of our best rated Fuel and Emissions Systems from Hitachi, Carquest Premium, and Delphi, and more. Fuel and Emissions Systems from these brands that fit a 2001 A6 start at just $12.99 and are rated as high as 4.5 stars. OEM and aftermarket Fuel and Emissions Systems don’t get more top quality, durable, and affordable than from the brands below.

Popular Hitachi 2001 Audi A6 Fuel and Emissions Systems

When it comes to maintaining or upgrading your 2001 Audi A6, using quality Fuel and Emissions Systems is essential to ensure durability and a perfect fit. Hitachi ticks all of those boxes. We offer a wide selection of Hitachi Fuel and Emissions Systems, specifically designed for the 2001 Audi A6. With over 1 Hitachi 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 $279.99. Plus, with over 1 customer reviews and an average rating of 4.5 stars, you can trust that our Hitachi 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 $279.99

(1)

Mass Air Flow Sensor

“Good as it claimed”

Popular Carquest Premium 2001 Audi A6 Fuel and Emissions Systems

Carquest Premium auto parts is one of the highest quality Fuel and Emissions System brands in the market. Any 2001 Audi A6 owner should feel confident when installing genuine Carquest Premium parts in their vehicle. To ensure the best fit and performance for your 2001 A6, Advance Auto Parts carries a full inventory of 2 Carquest Premium Fuel and Emissions Systems. Plus you will be keeping your Audi in peak condition while saving money because prices on these Carquest Premium Fuel and Emissions Systems range from $12.99 to $20.99, plus, with more than 3 customer reviews and an impressive 4.4 stars average rating, you can be confident the Fram Fuel and Emissions Systems below will deliver on both quality and value.

from $12.99

(2)

Non-Locking Fuel Tank Cap

“After reaching the gas station and opening the door to the gas tank, I discovered my gas cap was not there. The check engine light came on the dash a ”

from $20.99

(1)

Locking Fuel Cap: Screw On, Direct Fit, Provides Tight Seal

“Awesome product”

FAQs for 2001 Audi A6 Fuel and Emissions Systems

Which Fuel and Emissions Systems are best-sellers for 2001 Audi A6s?

Out of 32 Fuel and Emissions Systems that fit 2001 Audi A6s, the following parts are the top sellers:

Fuel Tank Cleaning Kit (11692237) – $12.49
Non-Locking Fuel Tank Cap (18481526) – $12.99
Vapor Canister Purge Solenoid (12448556) – $31.99

What’s the price range for 2001 Audi A6 Fuel and Emissions Systems?

Fuel and Emissions System prices for the 2001 Audi A6 start at $6.99 and go up to $597.99 for the most premium parts.

What’s the average price of a Fuel and Emissions System for a 2001 Audi A6?

The average price for Fuel and Emissions Systems for the 2001 Audi A6 is $101.28. 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 2001 Audi A6?

The cheapest 2001 Audi A6 Fuel and Emissions Systems we carry in stock are:

Multi Purpose Relay (50184798) – $6.99
Fuel Injector Seal Kit (10981517) – $8.99
Fuel Injector O-Ring Kit (12548039) – $8.99
Fuel Tank Cleaning Kit (11692237) – $12.49
Non-Locking Fuel Tank Cap (18481526) – $12.99

What are the top-rated Fuel and Emissions Systems that fit the 2001 Audi A6?

Out of 163 reviews by customers, our 2001 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 2001 Audi A6 and their top-rated products:

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

What types of Fuel and Emissions Systems do you sell for my 2001 Audi A6?

As of 3/1/26, these are some of the most in-demand types of Fuel and Emissions Systems for a 2001 Audi A6:

Can I get help with 2001 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.

2001 Audi A6 Fuel and Emissions Systems

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

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

ACDelco – Fuel Injector Fuel Feed and Return Pipe O-Ring Kit with Seals with 2 O-Rings (Part No.217-3414)

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

Carquest Premium – Fuel Injector Seal Kit (Part No.AS009)

Carquest Premium – Vapor Canister Purge Solenoid (Part No.CPC1026)

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

Carquest Premium – Multi-Purpose Relay (Part No.RAA1816)

Carquest Premium – Engine Crankcase Suction Pump (Part No.EGC1282)

URO Parts – Vacuum Suction Pump (Part No.058133753D)

Bosch – Wideband Oxygen Sensor: 5 Wire, 25.59" Long, Heated, Exact Fit (Part No.18052)

Bosch – Oxygen Sensor: 3 Wire, 28.54" Long, Heated, Universal (Part No.15735)

Delphi – Fuel Pump Module Assembly: With Float Arm (Part No.FG1601)

Delphi – Fuel Pump Module Assembly: Without Float Arm (Part No.FG0982)

Hitachi – Mass Air Flow Sensor (Part No.MAF0021)

Continental – Mass Air Flow Sensor (Part No.A2C59512900)

Carquest Premium – Diverter Valve (Part No.ECC2425)

Carquest Premium – Diverter Valve (Part No.ECC2423)

Carquest Premium – Non-Locking Fuel Tank Cap (Part No.10844)

Carquest Premium – Keyed Alike Locking Fuel Cap (Part No.17597)

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

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

URO Parts – Multi Purpose Relay (Part No.8533176)

URO Parts – Purge Valve (Part No.037906283C)

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

Dorman – Help – Breather Hose Assembly (Part No.47085)

URO Parts – Crankcase Breather Hose, w/Vent valve; connects rocker covers to crankcase (Part No.078103224R)

Rein – Breather Hose (Part No.ABV0152)

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

Bosch – Oxygen Sensor: 4 Wire, 66.34" Long, Heated, Exact Fit (Part No.16073)

NTK – Switching Oxygen Sensor: 4 Wire, 20.75" Long, Heated, Direct Fit (Part No.25589)

NTK – Wideband Oxygen Sensor: Air-Fuel Ratio 5 Wire, 17.75" Long, Heated, Direct Fit (Part No.25597)

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

URO Parts – Multi Purpose Relay (Part No.8533176)

Carquest Premium – Multi-Purpose Relay (Part No.RAA1816)

Delphi – Electric Fuel Pump & Strainer Set: 12V, 2 Male Blade Terminals, Ext. 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.MAF0021)

Delphi – Mass Air Flow Sensor (Part No.AF10148)

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

Carquest Premium – New Mass Air Flow Sensor – Sensor Only (Part No.MQ6319)

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

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

Victor Reinz – Fuel Injector O-Ring Kit (Part No.18-10027-01)

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

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