2006 Audi A6 Quattro Fuel and Emissions Systems

Name: High Pressure Fuel Pump - New Actual OE Part
Brand: Hitachi
SKU: HPP0005
Price: 456.99 USD

Below you will find various in-demand Audi Fuel and Emissions Systems, components and accessories for your 2006 A6 Quattro. Advance Auto Parts has popular A6 Quattro parts like Gas Caps, Oxygen Sensors, Fuel Pumps and more. You’ll also find aftermarket and OEM Fuel and Emissions Systems for other A6 Quattro model years including 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 and more. Select a category of 2006 Audi A6 Quattro Fuel and Emissions Systems below and start saving instantly.

Popular 2006 Audi A6 Quattro 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

MAP-Barometric Pressures

Smog Pumps

Canister Purge Solenoids

Direct Injection High Pressure Fuel Pumps

Fuel Injectors

Ambient Air Temperature Sensors

Fuel Injector O-Ring Kits

Fuel Injector Seal Kits

Fuel Injector Gaskets

Vacuum Pump Gaskets

Fuel Injector Connectors

Fuel Injection Relays

Exhaust Check Valves

Engine Crankcase Suction Pumps

Air Pump Solenoids

Vacuum Lines

Fuel Injector Seal Tool Set

Essential Fuel and Emissions Systems for 2006 Audi A6 Quattros

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$456.99

Hitachi’s High Pressure Fuel Pumps (HPPs) are designed to enhance fuel volume delivery for exceptional operation and faster vehicle response. Our HPPs are a good alternative to the standard fuel pump for direct injection, supercharged, and turbocharged applications commonly found in todays vehicles. Pump housing is made of high strength aluminum to ensure durability while keeping weight low. Precision machined surfaces prevent fuel leakage/pressure drop while chemical resistant seals prevent premature wear from ethanol mixed fuels. Designed to meet the exact needs of each specific vehicle, Hitachi’s High Pressure Fuel Pumps 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:

These quality High Pressure Pumps provide exceptional operation with enhanced fuel volume delivery and faster vehicle response. Promotes a rise of fuel pressure from startup; reduces current consumption.
Hitachi is a Tier 1 OE supplier for high pressure fuel pumps
100% NEW, never remanufactured
Meets the OE performance and durability standards for this application
High strength aluminum housing for light weight and durability
Chemical resistant seals prevent premature wear from ethanol mixed fuels
Precision machined surfaces prevent fuel leakage and subsequent pressure drop
O-Ring/Gaskets included when applicable

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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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$218.99

CARQUEST MAP sensors are manufactured with critical OEM components to ensure that your engine runs efficiently to reach the best gas mileage on your vehicle.

Product Features:

CARQUEST MAP sensors connectors are exact OE fit to ensure the proper vacuum is maintained to prevent power loss and to minimize internal contamination.
CARQUEST MAP sensors utilize high temperature resistant seals. Damaged seals can directly impact the vehicles fuel-to-air ratio, making it less fuel efficient.
CARQUEST MAP sensors are 100% individually tested for all product functionalities including proper vacuum seal and electrical output.

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$15.99

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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$16.05

High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.

Product Features:

Designed to OE standards for ease of installation
High-quality materials withstand extreme conditions
Undergoes extensive testing to ensure reliability
As a global manufacturer of automotive aftermarket products, we maintain complete quality control throughout the manufacturing process

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$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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$261.99

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

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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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$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

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$61.99

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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$253.99

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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$11.99

MAHLE® gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.

Product Features:

All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
MAHLE gaskets is the leader in Domestic, Asian and European applications
The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package

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$34.99

Rein Automotive OE quality vacuum 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, from the size and shape of their branches to the thermoplastic quick connect fittings.

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.

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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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$4.29

High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.

Product Features:

Designed to OE standards for ease of installation
All electrical connectors are 100% tested for proper mechanical and electrical fit, form and function
Offering thousands of high-quality pigtails & sockets for nearly every electrical job

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$157.99

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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$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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$36.99

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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$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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$69.99

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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$49.99

The Secondary Air Injection system is an emission control device designed to pump fresh air into the engine exhaust system to reduce harmful emissions. The Air Injection Pump Check Valve will allow air flow in one direction only to prevent an engine back-fire condition.

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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$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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$211.99

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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$85.99

The Secondary Air Injection system is an emission control device designed to pump fresh air into the engine exhaust system to reduce harmful emissions. The Air Injection Pump Solenoid Valve is the gate that allows air flow in the commanded direction based on operating conditions.

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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$129.99

This premium tool kit is designed to ensure the correct installation of the combustion seal on Gasoline Direct Injectors (GDI), which require replacement any time the injector is reinstalled. This special tool allows for the expansion of the combustion seal to allow installation onto the injector’s tip and resizing tools to provide precise dimensioning to ensure proper combustion sealing. Constructed of high-quality stainless steel the tool will provide years of trouble-free service and can be used on over 100 unique styles of GDI injectors.

Product Features:

Includes two expansion cones
Includes two resizing tools
Includes one seal installation collet
Includes hard case
Includes instruction manual

Upgrade your 2006 Audi A6 Quattro with Top-Quality Fuel and Emissions Systems

When it comes to maintaining or upgrading your 2006 Audi A6 Quattro, 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 Quattro functioning at its best. At Advance Auto Parts, we offer a wide selection of 52 Fuel and Emissions Systems for the 2006 Audi A6 Quattro, designed to meet your needs without breaking the bank. From Gas Cap replacements to Oxygen 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 2006 Audi A6 Quattro at great prices. Our Fuel and Emissions Systems inventory for this model ranges from just $4.29 to $597.99, with an average price of $102.65. Our 52 Fuel and Emissions Systems in stock come from 13 trusted brands, so you’re sure to find the right part for your 2006 Audi A6 Quattro 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 2006 Audi A6 Quattro, we stock popular OEM and aftermarket Fuel and Emissions Systems from top names like Bosch, FELPRO, Dorman, and more. Bosch Fuel and Emissions Systems start at just $51.99 and boast an impressive 4.7 stars average rating from customers. FELPRO and Dorman also bring quality to the table, with Fuel and Emissions Systems available starting at $8.49, and at an average 4.6 stars rating. With 306 customer reviews and counting, our 2006 Audi A6 Quattro 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 2006 Audi A6 Quattro is always ready to roll. We’re committed to providing you with everything you need to keep your A6 Quattro in top shape, all in one place. Start shopping confidently below for your 2006 Audi A6 Quattro!

Best-Selling Gas Caps for 2006 Audi A6 Quattros

Enhance the driving experience in your Audi with 3 quality Gas Cap components, starting at $15.99.

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$16.49

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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$21.99

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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$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

Most Popular 2006 Audi A6 Quattro Oxygen Sensors

Customize your Audi with 9 Oxygen Sensors products like Oxygen Sensors, all priced under $296.99.

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$92.99

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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$72.99

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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$296.99

OXYGEN SENSOR

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$159.99

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

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$157.99

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

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$139.99

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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$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

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$131.99

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

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$124.99

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

Top Picks for 2006 Audi A6 Quattro Fuel Pumps

Upgrade Audi A6 Quattros with top-quality Fuel Pumps parts, including 3 OEM and aftermarket selections for your 2006 model.

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$479.99

Demand for Gasoline Direct injection (GDi) technology globally is expected to grow in excess of 10 percent annually through 2026. Delphi uses the latest generation of OE technology for our GDi, and our GDi service program includes the OE parts, tools and know-how to service this fast-growing, high-performance technology. Delphi is a leading Tier 1 supplier of GDi systems to global OEMs. We offer multiple GDi specific training classes, a technician support hotline staffed by ASE certified technicians, and a full line of GDi high-pressure fuel pumps. Learn more about our training programs and tech hotline at 1-877-463-3574.

Product Features:

Capable of delivering fuel at high pressures that can range from 2,000-2,800 PSI
Mechanically driven high fuel flow pump enables rail pressure build up quickly for fast start times
Fuel delivered directly into the engine combustion chamber for increased horsepower and fuel economy
Meets OE specifications

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$402.99

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

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$347.99

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
Includes installation gaskets or seals where applicable

In-Demand Air Flow Sensors for 2006 Audi A6 Quattros

Select from 8 premium Air Flow Sensors parts for your 2006 Audi A6 Quattro, with prices ranging from $13.99 to $261.99.

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$51.99

Bosch OE quality pressure sensors for accurate measurements with high durability, fast response time and wide measuring range

Product Features:

Bosch OE quality pressure sensors for accurate measurements
Bosch OE quality pressure sensors for long term stability
Bosch OE quality pressure sensors with a short response time
Bosch OE quality pressure sensors with improved media resistance

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$48.99

CARQUEST MAP sensors are manufactured with critical OEM components to ensure that your engine runs efficiently to reach the best gas mileage on your vehicle.

Product Features:

CARQUEST MAP sensors connectors are exact OE fit to ensure the proper vacuum is maintained to prevent power loss and to minimize internal contamination.
CARQUEST MAP sensors utilize high temperature resistant seals. Damaged seals can directly impact the vehicles fuel-to-air ratio, making it less fuel efficient.
CARQUEST MAP sensors are 100% individually tested for all product functionalities including proper vacuum seal and electrical output.

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$193.99

NGK is the world’s largest supplier and manufacturer of OEM oxygen sensors. Oxygen sensors play a critical role as part of the vehicle’s on-board diagnostic system in maintaining optimal engine performance, maximizing fuel efficiency and reducing harmful emissions. While conventional switching oxygen sensors only switch rich or lean, wideband oxygen (or Air-Fuel Ratio) sensors produce a linear output signal that allows the ECU determine exactly how rich or lean an engine is running and make continuous and precise adjustments of the air-fuel mixture to stay closest to stoichiometric, providing the best possible combustion and fewest emissions. A ceramics company at our core, uses state-of-the art technology enabling complete control of the ceramics used in our wideband oxygen sensors from raw material to finished product. Trust The Sensor Specialist for full-line 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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$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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$261.99

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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$185.99

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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$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

$36.99

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.

Most Sold 2006 Audi A6 Quattro Fuel Injectors

Explore our best-selling Audi parts for the 2006 A6 Quattro among 16 OEM and aftermarket options starting from $4.29.

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from

$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

from

$4.29

High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.

Product Features:

Designed to OE standards for ease of installation
All electrical connectors are 100% tested for proper mechanical and electrical fit, form and function
Offering thousands of high-quality pigtails & sockets for nearly every electrical job

from

$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

from

$79.99

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

from

$8.99

High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.

Product Features:

Designed to OE standards for ease of installation
High-quality materials withstand extreme conditions
Undergoes extensive testing to ensure reliability
As a global manufacturer of automotive aftermarket products, we maintain complete quality control throughout the manufacturing process

from

$282.99

Bosch is the actual OE manufacture, plus or minus 5% deviation from OE specification can set a check engine light

Product Features:

OE Technology provides the correct function and calibration to ensure trouble-free operation and emission compliance.
100% new product
Not re-manufactured or rebuilt
Sensor and housing are calibrated and sold together ensuring precise sensor reading and optimal engine performance
Guaranteed to match vehicle requirements for performance, drivability, fuel economy and emissions
Can provide up to 20 percent better fuel consumption

from

$208.99

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

from

$159.99

Bosch is a recognized OE leader in fuel systems technology, with more than 45 years of gasoline fuel injection experience. The fuel injection program provides vast coverage for Domestic, European, and Asian vehicles.

Product Features:

Guaranteed OE fit, form and function
Manufactured of the highest quality materials
Provides precision flow and original spray pattern for optimal performance
Product includes top and bottom mounting o-ring
Maintains new-car smoothness and drivability

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$141.99

CARDONE Remanufactured Mass Air Flow Sensors (MAFS) precisely track O.E. output curves and maintain specific tolerances to ensure accurate scan tool readings for proper operation. 100 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.

from

$139.99

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.

from

$129.99

Includes two expansion cones
Includes two resizing tools
Includes one seal installation collet
Includes hard case
Includes instruction manual

from

$123.99

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

Product Features:

CARQUEST MAF use all new high-quality components at the highest quality standards.
Manufactured with new and advanced technology to perform, fit and function at OE specifications.
All new product that is tested with OEM equipment to OEM standards
Outperforms competition when tested in extreme environmental conditions

from

$14.99

Product Features:

Premium OE quality materials
Includes upper o-ring
Includes plastic split ring
Includes combustion seal
Includes retainer clip

from

$8.99

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.

from

$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.

from

$4.99

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

Top-Rated Fuel and Emissions Systems Brands For Your 2006 Audi A6 Quattro

Shop for the best-rated brands offering Fuel and Emissions Systems and other products for your 2006 Audi A6 Quattros. Below you’ll find some of our best rated Fuel and Emissions Systems from Bosch, FELPRO, and Dorman, and more. Fuel and Emissions Systems from these brands that fit a 2006 A6 Quattro start at just $8.49 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 2006 Audi A6 Quattro Fuel and Emissions Systems

When it comes to maintaining or upgrading your 2006 Audi A6 Quattro, 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 2006 Audi A6 Quattro. 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 $51.99. Plus, with over 7 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 $51.99

(7)

Pressure/ Temperature Sensor

“Worked great and fixed problem”

Popular FELPRO 2006 Audi A6 Quattro Fuel and Emissions Systems

FELPRO auto parts is one of the highest quality Fuel and Emissions System brands in the market. Any 2006 Audi A6 Quattro owner should feel confident when installing genuine FELPRO parts in their vehicle. To ensure the best fit and performance for your 2006 A6 Quattro, Advance Auto Parts carries a full inventory of 1 FELPRO Fuel and Emissions Systems. Plus you will be keeping your Audi in peak condition while saving money because prices on these FELPRO Fuel and Emissions Systems range up to $8.49, plus, with more than 109 customer reviews and an impressive 4.6 stars average rating, you can be confident the Fram Fuel and Emissions Systems below will deliver on both quality and value.

from $8.49

(109)

Fuel Injector O-Ring Kit

“Good parts”

FAQs for 2006 Audi A6 Quattro Fuel and Emissions Systems

Which Fuel and Emissions Systems are best-sellers for 2006 Audi A6 Quattros?

Out of 52 Fuel and Emissions Systems that fit 2006 Audi A6 Quattros, the following parts are the top sellers:

Fuel Injector O-Ring Kit (3504360) – $8.49
Oxygen Sensor: 4 Wire, 25.87" Long, Heated, Universal (11410320) – $72.99
Fuel Injector Seal Kit (11450392) – $8.99

What’s the price range for 2006 Audi A6 Quattro Fuel and Emissions Systems?

Fuel and Emissions System prices for the 2006 Audi A6 Quattro start at $4.29 and go up to $597.99 for the most premium parts.

What’s the average price of a Fuel and Emissions System for a 2006 Audi A6 Quattro?

The average price for Fuel and Emissions Systems for the 2006 Audi A6 Quattro is $102.65. 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 Quattro model years?

Yes, we currently carry Fuel and Emissions Systems for 29 model years of Audi A6 Quattros between 1995 and 2025. Fuel and Emissions Systems are bought most frequently for the following model years: 2023, 2022, 2021, 2020, 2019, 2018, 2017, 2016, and 2015.

What are the cheapest Fuel and Emissions Systems for my 2006 Audi A6 Quattro?

The cheapest 2006 Audi A6 Quattro Fuel and Emissions Systems we carry in stock are:

Fuel Injector Connector (11477998) – $4.29
Fuel Injector Connector (12541458) – $4.99
Fuel Injection Throttle Body Mounting Gasket (50314186) – $4.99
Fuel Injector O-Ring Kit (3504360) – $8.49
Fuel Injector Seal Kit (11450392) – $8.99

What are the top-rated Fuel and Emissions Systems that fit the 2006 Audi A6 Quattro?

Out of 306 reviews by customers, our 2006 Audi A6 Quattro Fuel and Emissions Systems have an average customer rating of . These are some of the highest-rated Fuel and Emissions System types for the 2006 Audi A6 Quattro and their top-rated products:

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

What types of Fuel and Emissions Systems do you sell for my 2006 Audi A6 Quattro?

As of 11/2/25, these are some of the most in-demand types of Fuel and Emissions Systems for a 2006 Audi A6 Quattro:

Can I get help with 2006 Audi A6 Quattro 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 Quattro Fuel and Emissions Systems?

Advance Auto Parts keeps returns simple. For new Audi A6 Quattro 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.

2006 Audi A6 Quattro Fuel and Emissions Systems

Hitachi – High Pressure Fuel Pump – New Actual OE Part (Part No.HPP0005)

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

Carquest Premium – Manifold Absolute Pressure Sensor (MAP) (Part No.ECA2483)

Carquest Premium – Multi-Purpose Relay (Part No.RAA2248)

Carquest – Fuel Injector Seal Kit (Part No.274831)

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

DENSO – Wideband Oxygen Sensor: Upstream, 5 Wire, 22.56" Long, Heated, Exact Fit (Part No.234-5120)

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

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

Carquest Premium – Vapor Canister Purge Solenoid (Part No.CPC1244)

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

MAHLE Original – Vacuum Pump Gasket (Part No.B32548)

Rein – Breather Hose (Part No.ABV0270)

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

Carquest – Fuel Injector Connector (Part No.PT2318)

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

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

Carquest Premium – Ambient Air Temperature Sensor (Part No.WTA1106)

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

Carquest Premium – Remanufactured Fuel Injector (Part No.A512-1155)

Carquest Premium – Secondary Air Injection Pump Check Valve (Part No.EGA1181)

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

Carquest Premium – Vapor Canister Purge Valve: Includes Mounting Hardware (Part No.CPA2459)

Carquest Premium – Secondary Air Injection Pump Solenoid Valve (Part No.EGA2416)

Carquest Premium – Premium GDI Seal Tool Kit (Part No.ATK-001)

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

Carquest Premium – Locking Fuel Cap (Part No.10597)

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

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

Bosch – Oxygen Sensor: 4 Wire, 25.87" Long, Heated, Universal (Part No.15741)

Bosch – OXYGEN SENSOR (Part No.18089)

Bosch – Oxygen Sensor: 4 Wire, 29.92" Long, Heated, Exact Fit (Part No.15157)

DENSO – Oxygen Sensor: Downstream, 4 Wire, 28.35" Long, Heated, Exact Fit (Part No.234-4414)

DENSO – Oxygen Sensor: Downstream, 4 Wire, 23.27" Long, Heated, Exact Fit (Part No.234-4413)

Bosch – Oxygen Sensor: 4 Wire, 29.13" Long, Heated, Exact Fit (Part No.15158)

Bosch – Oxygen Sensor: 4 Wire, 51.38" Long, Heated, Exact Fit (Part No.16984)

Bosch – Wideband Oxygen Sensor: 5 Wire, 67.13" Long, Heated, Exact Fit (Part No.17363)

Delphi – Direct Injection High Pressure Fuel Pump: Without Gasket/Seal or Wiring Harness (Part No.HM10048)

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

Carquest Premium – Fuel Pump Module Assembly: Fuel Pump, Sending Unit and Strainer (Part No.M2496386)

Bosch – Pressure/ Temperature Sensor (Part No.0261230234)

Carquest Premium – Manifold Absolute Pressure Sensor (MAP) (Part No.ECC1081)

NTK – Wideband Oxygen Sensor: Air-Fuel Ratio 5 Wire, 23.5" Long, Heated, Direct Fit (Part No.24308)

Rein – Thermo Switch (Part No.ELT0059)

DENSO – Wideband Oxygen Sensor: Upstream, 5 Wire, 22.56" Long, Heated, Exact Fit (Part No.234-5120)

DENSO – Wideband Oxygen Sensor: Upstream, 5 Wire, 28.74" Long, Heated, Exact Fit (Part No.234-5129)

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

Carquest Premium – Ambient Air Temperature Sensor (Part No.WTA1106)

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

Carquest – Fuel Injector Connector (Part No.PT2318)

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

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

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

Bosch – Mass Air Flow (MAF) Sensor (Part No.0280218069)

Hitachi – Fuel Injector – New Actual OE Part (Part No.FIJ0033)

Bosch – Fuel Injector: New (Part No.62691)

Cardone – Remanufactured Mass Air Flow Sensor (Part No.74-10126)

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

Carquest Premium – Premium GDI Seal Tool Kit (Part No.ATK-001)

Carquest Premium – Mass Air Flow Sensor (MAF) – 100% NEW (Part No.MQ7361)

Carquest Premium – Injector Seal Kit (Part No.AS082)

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

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

Felpro – Fuel Injection Throttle Body Mounting Gasket (Part No.61903)