2008 Audi A6 Quattro Spark Plugs

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Keep Your 2008 Audi A6 Quattro in Top Shape with Quality Spark Plugs

Whether you’re repairing or upgrading your Spark Plug, using high-quality parts is key to keeping your 2008 Audi A6 Quattro looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Spark Plug Tube Seals, Racing Spark Plugs, and Spark Plugs. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Spark Plugs from Trusted Brands

Looking for a reliable Spark Plug? We’ve got you covered with options from brands you know and trust like Autolite, DENSO, and Bosch. For example, Autolite Spark Plugs start at just $5.49 with an average 4.6 star rating. DENSO and Bosch offer similar pricing and quality, backed by strong customer feedback. With over 1,975 reviews and a solid 4.4 star average, you can shop with confidence knowing other Audi A6 Quattro owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2008 Audi A6 Quattro Spark Plug at Advance Auto Parts is around $10.21, with a range that starts at $4.49 and goes up to $28.99. With 19 options in stock from 8 trusted brands, finding the right fit is easy. Popular picks like DENSO Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, IK20TT, 4702, Autolite Copper Resistor Spark Plug: Quick Starts & Reliable Performance, 3923, and DENSO Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IK20, 5304 start at just $4.49 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Spark Plug, don’t forget to check out other key components like Ignition Coils and Boots and Ignition Sensors. At Advance Auto Parts, we’re here to help you keep your 2008 Audi A6 Quattro in peak condition, inside and out.

Essential 2008 Audi A6 Quattro Spark Plugs

Autolite – Autolite Racing Resistor Spark Plug: Enhanced Heat Transfer for Peak Performance, AR3924 (Part No.AR3924)

Autolite Racing Resistor Spark Plug: Enhanced Heat Transfer for Peak Performance, AR3924

from

$5.99
The Racing Resistor Spark Plug is expertly crafted to deliver peak performance on the track, featuring a cut-back ground electrode for optimal ignitability and enhanced heat transfer, ensuring quicker starts and maximum engine efficiency. Its yttrium-enhanced alloy reduces ground wire temperature by up to 8%, making it ideal for colder heat ranges and performance modifications under intense conditions. The anti-corrosive nickel plating resists rust better than black oxide, maintaining durability and long-term reliability. Designed with a high alumina multi-rib ceramic insulator, it offers superior thermal conductivity and insulation, preventing flash-over while increasing strength. With a mid-projection center electrode and nickel-tipped materials for both the center and ground electrodes, this performance-grade spark plug is built to handle demanding environments. The flat seat design and integrated resistor further enhance its functionality, making it a dependable choice for racers seeking consistent ignition and durability.
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NGK – NGK Iridium IX Spark Plug (BKR8EIX): Extreme Ignitability & Durability, 2668 (Part No.2668)

NGK Iridium IX Spark Plug (BKR8EIX): Extreme Ignitability & Durability, 2668

from

$17.99
NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode’s durability is six times harder than platinum. Iridium alloy’s extremely high melting point is perfect for today’s engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.
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Autolite – Autolite Racing Resistor Spark Plug: Enhanced Heat Transfer for Peak Performance, AR3923 (Part No.AR3923)

Autolite Racing Resistor Spark Plug: Enhanced Heat Transfer for Peak Performance, AR3923

from

$5.99
The Racing Resistor Spark Plug is expertly crafted to deliver peak performance on the track, featuring a cut-back ground electrode for optimal ignitability and superior heat transfer, ensuring quicker starts and maximum engine efficiency. Its yttrium-enhanced alloy reduces ground wire temperature by up to 8%, making it ideal for colder heat ranges and performance modifications under intense conditions. The anti-corrosive nickel plating resists rust better than black oxide, maintaining durability and long-term efficiency. Designed with a high alumina multi-rib ceramic insulator, it offers exceptional thermal conductivity and insulation, preventing flash-over while enhancing strength. With a mid-projection center electrode and nickel-tipped components, this performance-grade spark plug is built to handle the demands of racing environments, delivering reliability and value for enthusiasts seeking top-tier engine performance.
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Victor Reinz – Victor Reinz Spark Plug Tube Seal, 71-17575-00 (Part No.71-17575-00)

Victor Reinz Spark Plug Tube Seal, 71-17575-00

from

$9.39
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.
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Autolite Iridium – Autolite Iridium Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition, XP3923 (Part No.XP3923)

Autolite Iridium Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition, XP3923

from

$11.49
Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, the Autolite Iridium XP spark plugs feature an iridium-enhanced 0.6mm finewire design and patented platinum sidewire technology to provide better overall durability and a more focused ignition for enhanced ignitability and performance. Features double Iridium-enhanced alloy technology center electrode for improved durability and wear resistance.
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Bosch – Bosch Nickel Copper-Core Spark Plug: Enhanced Durability & Performance, 7406 (Part No.7406)

Bosch Nickel Copper-Core Spark Plug: Enhanced Durability & Performance, 7406

from

$4.99
BOSCH conventional Nickel-Copper Spark Plugs are designed to deliver performance and value. Heavy-duty yttrium-enhanced nickel center electrode with copper core provides a longer lasting copper core spark plug. Engineered to meet or exceed Original Equipment specifications for nickel-copper core spark plugs.
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ACDelco – ACDelco RAPIDFIRE Spark Plug, 5 (Part No.5)

ACDelco RAPIDFIRE Spark Plug, 5

from

$7.99
ACDelco Gold (Professional) RAPIDFIRE Spark Plugs are a high quality alternative to Original Equipment (OE) parts. These RAPIDFIRE Single Platinum Performance Spark Plugs are designed for everyday use and are a high quality replacement for many vehicles on the road today. These premium aftermarket spark plugs have high-quality suppressors that help prevent misfiring, an improved plug to boot seal, and a pure copper core for greater durability. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function. ACDelco Gold (Professional) parts are manufactured to meet your expectations for fit, form, and function, making them a smart choice for General Motors vehicles, as well as most makes and models, including special applications. These high-quality parts are backed by General Motors. Some ACDelco Gold parts may have formerly appeared as ACDelco Professional.
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DENSO – DENSO Double Platinum Spark Plug: OE Performance, lasts 60K+ Miles, PK20PR-L11, 3142 (Part No.3142)

DENSO Double Platinum Spark Plug: OE Performance, lasts 60K+ Miles, PK20PR-L11, 3142

from

$11.99
The Double Platinum Spark Plug is engineered to meet the highest OE standards for performance, durability, and emissions compliance. Featuring OE-grade platinum on both the center and ground electrodes, it ensures superior thermal conductivity and sustained spark performance for over 60,000 miles. Its premium shell construction with machine-rolled threads provides a secure fit and long-lasting reliability, while the flat seat type ensures optimal compatibility. Designed to reduce secondary required voltage, this spark plug enhances ignition efficiency, delivering smoother engine performance and fewer misfires. The double platinum design not only boosts durability but also minimizes maintenance needs, making it a trusted choice for satisfied customers and reducing shop comebacks. Built for those who demand excellence, this spark plug offers exceptional value and dependable performance for the long haul.
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Autolite – Autolite Double Platinum Spark Plug: Enhanced Durability & Performance, APP3923 (Part No.APP3923)

Autolite Double Platinum Spark Plug: Enhanced Durability & Performance, APP3923

from

$7.49
Autolite Double Platinum spark plugs are engineered for exceptional durability and performance, making them an ideal choice for distributor-less ignition system (DIS) engines. Featuring a platinum-to-platinum design, these spark plugs effectively prevent gap erosion, reduce misfires, and extend service life. The yttrium-enhanced ground electrode ensures superior heat transfer, allowing the plugs to withstand high temperatures and pressures for greater longevity. A high alumina ceramic insulator provides optimal thermal conductivity and dielectric strength, while the multi-rib insulator design prevents flash-over for reliable operation. With a mid-projection center electrode and platinum tips on both the center and ground electrodes, these plugs deliver consistent performance and efficiency. Backed by over a century of engineering expertise and a legacy of over 11 billion plugs sold, Autolite guarantees proven quality and reliability. Designed for performance-grade applications, these spark plugs are a smart upgrade over copper and standard platinum options, ensuring your engine runs smoothly and efficiently.
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NGK – NGK Laser Platinum Spark Plug (PFR8S8EG): High Ignitability & Longevity, 94460 (Part No.94460)

NGK Laser Platinum Spark Plug (PFR8S8EG): High Ignitability & Longevity, 94460

from

$22.99
NGK Laser Platinum spark plugs provide high ignitability and longer service life compared to conventional nickel spark plugs. Laser Platinum plugs are tested to the highest standards to ensure quality and durability. Engineered specifically for OE applications. Laser platinum plugs provide stable idling, superior anti-fouling, improved fuel efficiency and lower emissions. High-grade pure alumina ceramic and 98% pure copper core prevents spark plug from overheating and provides reliable starts. Most Laser Platinum spark plugs feature a platinum pad on the ground electrode for even wear in distributorless ignition systems.
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Motorcraft – Motorcraft High-Performance Spark Plug: Enhances Fuel Efficiency & Reliability, SP-497-X (Part No.SP-497-X)

Motorcraft High-Performance Spark Plug: Enhances Fuel Efficiency & Reliability, SP-497-X

from

$6.99
The Motorcraft High-Performance Spark Plug is meticulously engineered to deliver unmatched ignition performance, ensuring reliable starts and optimal fuel efficiency for every drive. Featuring a fine wire center electrode design with a platinum tip and a nickel ground electrode, this spark plug is built for precision and durability. Its gasket seat type ensures a secure fit, making it a dependable choice for high-performance engines. Designed to withstand demanding conditions, it maintains consistent performance, helping your vehicle operate at its peak. Whether you’re focused on fuel savings or reliable ignition, this spark plug offers exceptional value and long-lasting quality. Trust Motorcraft for dependable performance and superior craftsmanship in every mile.
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Bosch – Bosch OE Fine Wire Double Platinum Spark Plug, 8160 (Part No.8160)

Bosch OE Fine Wire Double Platinum Spark Plug, 8160

from

$14.99
BOSCH Double Platinum Spark Plugs are engineered to deliver both performance and long life, representing the best of OE spark plug technology. BOSCH utilizes a platinum firing pin on the center electrode and platinum inlay in the ground electrode. This design reduces gap erosion, increases durability and performance life while meeting Original Equipment specifications for double platinum spark plugs.
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Autolite Iridium – Autolite Iridium Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition, XP3924 (Part No.XP3924)

Autolite Iridium Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition, XP3924

from

$11.49
Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, the Autolite Iridium XP spark plugs feature an iridium-enhanced 0.6mm finewire design and patented platinum sidewire technology to provide better overall durability and a more focused ignition for enhanced ignitability and performance. Features double Iridium-enhanced alloy technology center electrode for improved durability and wear resistance.
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Autolite – Autolite Copper Resistor Spark Plug: Quick Starts & Enhanced Durability, 3924 (Part No.3924)

Autolite Copper Resistor Spark Plug: Quick Starts & Enhanced Durability, 3924

from

$5.49
Autolite Copper spark plugs are crafted to ensure reliable performance and durability for your vehicle or application. Featuring a copper core center electrode, these spark plugs excel in thermal control and resist fouling, ensuring consistent operation. The high nickel alloy center and ground electrodes are designed for extended life, while the mid-projection center electrode enhances ignition efficiency. Built with a high alumina multi-rib ceramic insulator, these plugs offer superior thermal conductivity and insulation, boosting strength and reliability. The nickel-plated shell provides exceptional corrosion resistance, making them ideal for long-term use. With a flat seat type and integrated resistor, these spark plugs deliver quick starts and meet performance expectations, offering great value for regular-grade applications.
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Autolite – Autolite Copper Resistor Spark Plug: Quick Starts & Reliable Performance, 3923 (Part No.3923)

Autolite Copper Resistor Spark Plug: Quick Starts & Reliable Performance, 3923

from

$4.49
Autolite Copper spark plugs are designed to provide reliable performance and quick starts, making them an essential choice for maintaining your vehicle’s efficiency. Featuring a copper core center electrode, these spark plugs excel in thermal control and resist fouling, ensuring consistent operation. The high nickel alloy center and ground electrodes are engineered for extended life, while the high alumina multi-rib ceramic insulator enhances thermal conductivity and insulation strength. With a nickel-plated shell, these plugs resist corrosion, offering durability for long-term use. The mid-projection standard center electrode design, combined with nickel tip materials, ensures optimal spark delivery. Designed with a gasket seat type and equipped with a resistor, these spark plugs meet regular-grade specifications, making them a dependable option for a wide range of applications.
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NGK – NGK Laser Iridium Spark Plug (SILKGR9A7ES): High Ignitability & Durability, 93560 (Part No.93560)

NGK Laser Iridium Spark Plug (SILKGR9A7ES): High Ignitability & Durability, 93560

from

$29.99
NGK Laser Iridium High Ignitability spark plugs offer the best combination of performance and longevity. Engineered specifically for OE applications, Laser Iridium High Ignitability spark plugs are tested to the highest standards to ensure quality and durability. Iridium tipped center electrode provides durability six times harder than platinum. NGKs high grade pure alumina ceramic and 98 percent pure copper core prevents the spark plug from overheating while providing reliable starts. Laser Iridium High Ignitability spark plugs feature raised platinum pad or platinum fine wire tip on the ground electrode for even wear in distributorless ignition systems and improved spark performance.
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Autolite Iridium – Autolite Iridium Iridium Ultra Fine Wire Spark Plug: Laser Welded for Precision, AI5325 (Part No.AI5325)

Autolite Iridium Iridium Ultra Fine Wire Spark Plug: Laser Welded for Precision, AI5325

from

$11.49
Autolite Iridium Ultra Laser Fine wire Spark Plugs are one of our brand’s most technologically advanced products. These spark plugs provide superior durability, more focused ignition with better overall ignitability for optimum performance. Autolite Spark Plugs are the best alternative to OE spark plugs, offering OE fit form and function supporting all foreign and domestic makes and models at a value price. Autolite provides the automotive aftermarket and original equipment manufacturers with the highest quality ignition products and is the leading supplier of spark plugs in the world.
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Bosch – Bosch Nickel Copper-Core Spark Plug: Enhanced Durability & Performance, 7402 (Part No.7402)

Bosch Nickel Copper-Core Spark Plug: Enhanced Durability & Performance, 7402

from

$4.19
BOSCH conventional Nickel-Copper Spark Plugs are designed to deliver performance and value. Heavy-duty yttrium-enhanced nickel center electrode with copper core provides a longer lasting copper core spark plug. Engineered to meet or exceed Original Equipment specifications for nickel-copper core spark plugs.
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Champion – Champion Copper Plus Spark Plug RC9YC – Dependable Performance & Durability, 344 (Part No.344)

Champion Copper Plus Spark Plug RC9YC - Dependable Performance & Durability, 344

from

$5.49
Champion Copper Plus spark plugs deliver dependable ignition performance with proven copper-core technology. The copper core electrode provides excellent conductivity and optimized heat control for consistent sparks while the coated shell protects against corrosion. Champion your engine with spark plugs engineered to improve efficiency and keep your vehicle running at its best.
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Bosch – Bosch EVO Spark Plug: Reliable Ignition & Long Service Life, 8501 (Part No.8501)

Bosch EVO Spark Plug: Reliable Ignition & Long Service Life, 8501

from

$13.99
BOSCH EVO spark plugs are engineered to ensure reliable ignition throughout its long service life even under extreme conditions in modern engines. Thanks to its improved insulator design and high dielectric strength (greater than 45 kV), the new EVO spark plugs can withstand irregular combustion – known as mega knocking – that can occur in modern, technologically advanced engines. BOSCH EVO spark plugs are developed and produced with the same high quality as original equipment spark plugs. Today’s turbocharged gasoline direct injection engines place high demands on spark plugs – the new BOSCH EVO meets these needs.
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NGK – NGK Laser Platinum Spark Plug (PFR7S8EG): High Ignitability & Longevity, 1675 (Part No.1675)

NGK Laser Platinum Spark Plug (PFR7S8EG): High Ignitability & Longevity, 1675

from

$22.99
NGK Laser Platinum spark plugs provide high ignitability and longer service life compared to conventional nickel spark plugs. Laser Platinum plugs are tested to the highest standards to ensure quality and durability. Engineered specifically for OE applications. Laser platinum plugs provide stable idling, superior anti-fouling, improved fuel efficiency and lower emissions. High-grade pure alumina ceramic and 98% pure copper core prevents spark plug from overheating and provides reliable starts. Most Laser Platinum spark plugs feature a platinum pad on the ground electrode for even wear in distributorless ignition systems.
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Champion – Champion Platinum Power Spark Plug (RC12PMC4): Powerful Performance & Durability, 3318 (Part No.3318)

Champion Platinum Power Spark Plug (RC12PMC4): Powerful Performance & Durability, 3318

from

$6.39
Champion Platinum Power spark plugs are engineered for premium performance and durability, making them an excellent choice for maintaining your vehicle’s peak efficiency. Featuring a platinum-tipped center electrode, these spark plugs ensure long-lasting reliability and resist wear, maintaining the proper gap specification throughout their lifespan. The fine-wire center electrode enhances ignitability, while the V-trimmed ground electrode sharpens spark focus for improved combustion. Constructed with an exclusive Heat-Active alloy, these plugs quickly reach and maintain optimal operating temperatures, ensuring consistent performance under various driving conditions. Designed with a flat seat type and integrated resistor, they deliver smooth operation and compatibility with a wide range of vehicles. Upgrade to Champion Platinum Power spark plugs for a blend of cutting-edge technology and dependable performance.
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Champion – Champion Iridium Spark Plug KC8WYPB4 – Maximum Performance & Longevity, 9805 (Part No.9805)

Champion Iridium Spark Plug KC8WYPB4 - Maximum Performance & Longevity, 9805

from

$7.49
Champion Iridium spark plugs combine a fine-wire iridium center with platinum ground electrodes to help any engine achieve top performance, regardless of ignition type. This advanced design ensures precise ignition, long-lasting durability and reliable performance mile after mile, while reducing wear and tear. Champion your engine with spark plugs engineered to improve efficiency and keep your vehicle running at its best.
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NGK – NGK Laser Platinum Spark Plug (PLFER7A8EG): Enhanced Ignitability & Longevity, 94833 (Part No.94833)

NGK Laser Platinum Spark Plug (PLFER7A8EG): Enhanced Ignitability & Longevity, 94833

from

$22.99
NGK Laser Platinum spark plugs provide high ignitability and longer service life compared to conventional nickel spark plugs. Laser Platinum plugs are tested to the highest standards to ensure quality and durability. Engineered specifically for OE applications. Laser platinum plugs provide stable idling, superior anti-fouling, improved fuel efficiency and lower emissions. High-grade pure alumina ceramic and 98% pure copper core prevents spark plug from overheating and provides reliable starts. Most Laser Platinum spark plugs feature a platinum pad on the ground electrode for even wear in distributorless ignition systems.
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NGK – NGK Iridium IX Spark Plug (BKR6EIX-11): Enhanced Ignitability & Durability, 3764 (Part No.3764)

NGK Iridium IX Spark Plug (BKR6EIX-11): Enhanced Ignitability & Durability, 3764

from

$15.99
NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode’s durability is six times harder than platinum. Iridium alloy’s extremely high melting point is perfect for today’s engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.
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Autolite – Autolite Platinum Spark Plug (AP3924): Improved Performance & Durability (Part No.AP3924)

Autolite Platinum Spark Plug (AP3924): Improved Performance & Durability

from

$5.49
The Autolite Platinum spark plug is a high-performance solution designed to enhance your engine’s efficiency and longevity. Featuring a platinum center electrode firing tip, it ensures quicker firing, smoother starts, and improved fuel efficiency while resisting gap erosion for an extended service life. Its high alumina ceramic insulator provides excellent thermal conductivity and superior insulation, boosting overall strength and reliability. The multi-rib insulator design prevents flash-over, while the nickel-plated shell offers exceptional corrosion resistance, ensuring durability even in demanding conditions. With a mid-projection standard center electrode and a flat seat type, this spark plug is tailored for optimal performance in older engine designs. The combination of a platinum tip and nickel ground electrode makes it a dependable choice for those seeking enhanced acceleration and long-lasting performance. Whether you’re maintaining or upgrading, this performance-grade spark plug delivers exceptional value and reliability.
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Motorcraft – Motorcraft Spark Plug: Reliable Ignition with Nickel Electrode Design, SP-447-X (Part No.SP-447-X)

Motorcraft Spark Plug: Reliable Ignition with Nickel Electrode Design, SP-447-X

from

$5.29
This spark plug is engineered for reliable ignition performance, featuring a standard center electrode design and durable nickel construction for both the center and ground electrode tips. The nickel material ensures excellent conductivity and resistance to wear, making it a dependable choice for maintaining consistent engine performance. Its tapered seat type provides a secure fit, enhancing the overall efficiency of the ignition system. Designed to deliver long-lasting durability and optimal functionality, this spark plug is a cost-effective solution for keeping your vehicle running smoothly. Whether you’re replacing a worn-out plug or performing routine maintenance, this high-quality component ensures dependable starts and efficient combustion.
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NGK – NGK Laser Platinum Spark Plug (PFR6W-TG): High Ignitability & Longevity, 5547 (Part No.5547)

NGK Laser Platinum Spark Plug (PFR6W-TG): High Ignitability & Longevity, 5547

from

$28.99
NGK Laser Platinum spark plugs provide high ignitability and longer service life compared to conventional nickel spark plugs. Laser Platinum plugs are tested to the highest standards to ensure quality and durability. Engineered specifically for OE applications. Laser platinum plugs provide stable idling, superior anti-fouling, improved fuel efficiency and lower emissions. High-grade pure alumina ceramic and 98% pure copper core prevents spark plug from overheating and provides reliable starts. Most Laser Platinum spark plugs feature a platinum pad on the ground electrode for even wear in distributorless ignition systems.
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Most Popular Spark Plug Tube Seal for 2008 Audi A6 Quattros

Enhance your 2008 Audi A6 Quattro with this popular Spark Plug Tube Seal we have in stock, for $9.39.

Victor Reinz – Victor Reinz Spark Plug Tube Seal, 71-17575-00 (Part No.71-17575-00)

Victor Reinz Spark Plug Tube Seal, 71-17575-00

from

$9.39
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.
See More

Best-Selling 2008 Audi A6 Quattro Racing Spark Plug

Upgrade your A6 Quattro with our best-selling Racing Spark Plug with a 5 Starts rating across 4 reviews.

Autolite – Autolite Racing Resistor Spark Plug: Enhanced Heat Transfer for Peak Performance, AR3923 (Part No.AR3923)

Autolite Racing Resistor Spark Plug: Enhanced Heat Transfer for Peak Performance, AR3923

from

$5.99
The Racing Resistor Spark Plug is expertly crafted to deliver peak performance on the track, featuring a cut-back ground electrode for optimal ignitability and superior heat transfer, ensuring quicker starts and maximum engine efficiency. Its yttrium-enhanced alloy reduces ground wire temperature by up to 8%, making it ideal for colder heat ranges and performance modifications under intense conditions. The anti-corrosive nickel plating resists rust better than black oxide, maintaining durability and long-term efficiency. Designed with a high alumina multi-rib ceramic insulator, it offers exceptional thermal conductivity and insulation, preventing flash-over while enhancing strength. With a mid-projection center electrode and nickel-tipped components, this performance-grade spark plug is built to handle the demands of racing environments, delivering reliability and value for enthusiasts seeking top-tier engine performance.
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Top-Quality Spark Plugs for 2008 Audi A6 Quattros

Choose a high-quality OEM or aftermarket Spark Plug for Audi A6 Quattros and enjoy top-notch performance from $4.49.

DENSO – DENSO Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IK20, 5304 (Part No.5304)

DENSO Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IK20, 5304

from

$14.49
Increased performance with World’s smallest Iridium Center Eletrode (0.4mm).
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NGK – NGK Laser Platinum Spark Plug (PFR7W-TG): Enhanced Fuel Efficiency & Durability, 5592 (Part No.5592)

NGK Laser Platinum Spark Plug (PFR7W-TG): Enhanced Fuel Efficiency & Durability, 5592

from

$24.99
NGK Laser Platinum spark plugs provide high ignitability and longer service life compared to conventional nickel spark plugs. Laser Platinum plugs are tested to the highest standards to ensure quality and durability. Engineered specifically for OE applications. Laser platinum plugs provide stable idling, superior anti-fouling, improved fuel efficiency and lower emissions. High-grade pure alumina ceramic and 98% pure copper core prevents spark plug from overheating and provides reliable starts. Most Laser Platinum spark plugs feature a platinum pad on the ground electrode for even wear in distributorless ignition systems.
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Bosch – Bosch Nickel Copper-Core Spark Plug: Enhanced Durability & Performance, 7406 (Part No.7406)

Bosch Nickel Copper-Core Spark Plug: Enhanced Durability & Performance, 7406

from

$4.99
BOSCH conventional Nickel-Copper Spark Plugs are designed to deliver performance and value. Heavy-duty yttrium-enhanced nickel center electrode with copper core provides a longer lasting copper core spark plug. Engineered to meet or exceed Original Equipment specifications for nickel-copper core spark plugs.
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DENSO – DENSO Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, IK20TT, 4702 (Part No.4702)

DENSO Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, IK20TT, 4702

from

$14.99
Durability of an OE style plug combined with Power & Torque of high performance.
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Autolite Iridium – Autolite Iridium Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition, XP3923 (Part No.XP3923)

Autolite Iridium Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition, XP3923

from

$11.49
Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, the Autolite Iridium XP spark plugs feature an iridium-enhanced 0.6mm finewire design and patented platinum sidewire technology to provide better overall durability and a more focused ignition for enhanced ignitability and performance. Features double Iridium-enhanced alloy technology center electrode for improved durability and wear resistance.
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Autolite – Autolite Platinum Spark Plug: Enhanced Durability & Improved Performance, AP3923 (Part No.AP3923)

Autolite Platinum Spark Plug: Enhanced Durability & Improved Performance, AP3923

from

$5.49
Autolite Platinum spark plugs are crafted for superior performance and durability, making them ideal for older engine applications. Featuring a platinum center electrode firing tip, these spark plugs ensure quicker firing, smoother starts, and enhanced acceleration while boosting fuel efficiency. The platinum firing tip resists gap erosion, extending service life, while the high alumina ceramic insulator offers excellent thermal conductivity and insulation for added strength. A multi-rib insulator prevents flash-over, and the nickel-plated shell resists corrosion for long-lasting reliability. Designed with a flat gasket seat type, these spark plugs provide a secure seal for optimal engine performance. With a mid-projection standard center electrode and nickel ground electrode tip, they deliver consistent performance for demanding conditions. Perfect for performance-grade applications, these spark plugs combine advanced materials and engineering to ensure your engine runs smoothly and efficiently.
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Autolite – Autolite Copper Resistor Spark Plug: Quick Starts & Reliable Performance, 3923 (Part No.3923)

Autolite Copper Resistor Spark Plug: Quick Starts & Reliable Performance, 3923

from

$4.49
Autolite Copper spark plugs are designed to provide reliable performance and quick starts, making them an essential choice for maintaining your vehicle’s efficiency. Featuring a copper core center electrode, these spark plugs excel in thermal control and resist fouling, ensuring consistent operation. The high nickel alloy center and ground electrodes are engineered for extended life, while the high alumina multi-rib ceramic insulator enhances thermal conductivity and insulation strength. With a nickel-plated shell, these plugs resist corrosion, offering durability for long-term use. The mid-projection standard center electrode design, combined with nickel tip materials, ensures optimal spark delivery. Designed with a gasket seat type and equipped with a resistor, these spark plugs meet regular-grade specifications, making them a dependable option for a wide range of applications.
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Autolite – Autolite Double Platinum Spark Plug: Enhanced Durability & Performance, APP3923 (Part No.APP3923)

Autolite Double Platinum Spark Plug: Enhanced Durability & Performance, APP3923

from

$7.49
Autolite Double Platinum spark plugs are engineered for exceptional durability and performance, making them an ideal choice for distributor-less ignition system (DIS) engines. Featuring a platinum-to-platinum design, these spark plugs effectively prevent gap erosion, reduce misfires, and extend service life. The yttrium-enhanced ground electrode ensures superior heat transfer, allowing the plugs to withstand high temperatures and pressures for greater longevity. A high alumina ceramic insulator provides optimal thermal conductivity and dielectric strength, while the multi-rib insulator design prevents flash-over for reliable operation. With a mid-projection center electrode and platinum tips on both the center and ground electrodes, these plugs deliver consistent performance and efficiency. Backed by over a century of engineering expertise and a legacy of over 11 billion plugs sold, Autolite guarantees proven quality and reliability. Designed for performance-grade applications, these spark plugs are a smart upgrade over copper and standard platinum options, ensuring your engine runs smoothly and efficiently.
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Champion – Champion Platinum Power Spark Plug RC9PYC – Powerful Performance & Longevity, 3344 (Part No.3344)

Champion Platinum Power Spark Plug RC9PYC - Powerful Performance & Longevity, 3344

from

$5.99
Champion Platinum Power spark plugs deliver powerful performance with the exclusive Premium alloy that reaches and sustains the correct operating temperature. A fine-wire center electrode and V-trimmed ground electrode provides sharp spark focus and reliable ignition for consistent combustion under demanding conditions. Champion your engine with spark plugs engineered to improve efficiency and keep your vehicle running at its best.
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E3 – E3 DiamondFIRE Automotive Spark Plug: More Power & Fuel Efficiency, E3.64 (Part No.E3.64)

E3 DiamondFIRE Automotive Spark Plug: More Power & Fuel Efficiency, E3.64

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$8.49
“The Premium DiamondFire Automotive Spark Plug is engineered to deliver peak performance and efficiency for your vehicle. Featuring E3’s patented Diamond Fire edge-to-edge ground electrode, it ensures a faster, more complete burn for smoother acceleration and idle. The innovative “”diamond-shaped”” side wire electrode enhances combustion by quickly igniting the air/fuel mixture, resulting in a larger and faster flame kernel. This translates to improved power output by up to 6% on average and significant fuel savings, while also reducing engine carbon deposits for a cleaner burn. Constructed with durable nickel for both the center and ground electrode tips, this spark plug is built to last. Its gasket seat type ensures a secure fit, and the pre-gapped design eliminates the need for adjustments, making installation hassle-free. Upgrade to this advanced spark plug for enhanced engine performance, better fuel efficiency, and a cleaner, more reliable ride.”
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NGK – NGK Ruthenium HX Spark Plug (FR7BHX-S): High Ignitability & Durability, 92400 (Part No.92400)

NGK Ruthenium HX Spark Plug (FR7BHX-S): High Ignitability & Durability, 92400

from

$19.49
NGK Ruthenium HX High Ignitability spark plugs are the best in class plug for todays modern vehicles. Patented Ruthenium technology offers the most advance tip technology and delivers the highest performance and life expectancy. Created from advanced OE technology as a high ignitability plug, Ruthenium HX spark plugs come with patented, specialized OEM DFE and PSPE tip designs. NGK Ruthenium HX High Ignitability spark plugs provide a more complete fuel burn resulting in a quicker throttle response, smoother idle and better cold starts. Ruthenium center electrode provides industry leading durability.
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ACDelco – ACDelco Conventional Spark Plug, 41-602 (Part No.41-602)

ACDelco Conventional Spark Plug, 41-602

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$6.49
ACDelco GM Original Equipment Conventional Spark Plugs are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These Conventional Spark Plugs are designed for reliability and efficient performance, and are a high quality replacement for many vehicles on the road today. Their high-quality copper cores and outstanding suppression characteristics deliver reliable performance. They are also available for Marine applications. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function. ACDelco GM Original Equipment parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional.
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Autolite Iridium – Autolite Iridium Iridium Ultra Fine wire Spark Plug: Optimal Performance & Durability, AI3923 (Part No.AI3923)

Autolite Iridium Iridium Ultra Fine wire Spark Plug: Optimal Performance & Durability, AI3923

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$11.49
Optimal Performance, Durability, Ignitability. The Autolite Iridium Ultra is an engineered OE replacement iridium spark plug featuring a laser-welded 0.5mm proprietary iridium alloy finewire center electrode that ensures optimal fuel efficiency, acceleration, and focused ignitability. Its nickel-plated shell resists corrosion, while the high-alumina ceramic insulator provides increased strength. Additionally, the proprietary platinum sidewire technology enhances durability and performance, making it a top choice for reliable ignition. It also features a resistor type and a flat seat type for added compatibility and performance.
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NGK – NGK Laser Platinum Spark Plug (PFR6W-TG): High Ignitability & Longevity, 5547 (Part No.5547)

NGK Laser Platinum Spark Plug (PFR6W-TG): High Ignitability & Longevity, 5547

from

$28.99
NGK Laser Platinum spark plugs provide high ignitability and longer service life compared to conventional nickel spark plugs. Laser Platinum plugs are tested to the highest standards to ensure quality and durability. Engineered specifically for OE applications. Laser platinum plugs provide stable idling, superior anti-fouling, improved fuel efficiency and lower emissions. High-grade pure alumina ceramic and 98% pure copper core prevents spark plug from overheating and provides reliable starts. Most Laser Platinum spark plugs feature a platinum pad on the ground electrode for even wear in distributorless ignition systems.
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DENSO – DENSO Iridium Long-Life Spark Plug: OE Performance, SK20BR11, 3471 (Part No.3471)

DENSO Iridium Long-Life Spark Plug: OE Performance, SK20BR11, 3471

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$17.99
Engineered to meet the highest OE performance, durability, and emissions standards, this Iridium Long-Life Spark Plug is a powerhouse of innovation and reliability. Featuring DENSO’s patented Iridium Alloy with a 90% Iridium fine wire center electrode, it delivers sustained spark performance for over 100,000 miles, lasting up to three times longer than conventional plugs. The platinum ground electrode ensures extended life, while the 360-degree laser welding process guarantees a superior bond and structural integrity. Designed to endure extreme temperatures exceeding 4,000 Deg F, it is ideal for high-performance ignition systems and special fuel setups. With a flat seat type and cutting-edge technology, this spark plug offers exceptional value, ensuring optimal engine performance and long-lasting durability.
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Champion – Champion Iridium Spark Plug RC8WMPB4 – Maximum Performance & Longevity, 9803 (Part No.9803)

Champion Iridium Spark Plug RC8WMPB4 - Maximum Performance & Longevity, 9803

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$9.99
Champion Iridium spark plugs combine a fine-wire iridium center with platinum ground electrodes to help any engine achieve top performance, regardless of ignition type. This advanced design ensures precise ignition, long-lasting durability and reliable performance mile after mile, while reducing wear and tear. Champion your engine with spark plugs engineered to improve efficiency and keep your vehicle running at its best.
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Champion – Champion Double Platinum Power Spark Plug (RC8PYPB4): Enhanced Durability & Performance, 7545 (Part No.7545)

Champion Double Platinum Power Spark Plug (RC8PYPB4): Enhanced Durability & Performance, 7545

from

$9.89
Champion Double Platinum Power spark plugs are engineered for enhanced durability and performance, making them a premium choice for reliable ignition. Featuring a platinum fine-wire center electrode and platinum pad ground electrode, these spark plugs deliver greater wear resistance and sharper spark focus for optimal ignitability. The V-trimmed ground electrode ensures precise spark delivery, while the exclusive Heat-Active alloy maintains stable operating temperatures under all engine loads, ensuring consistent performance. Designed as a standard replacement, these spark plugs are equipped with a flat seat type and integrated resistor for compatibility with a wide range of vehicles. Whether you’re seeking improved engine efficiency or long-lasting reliability, Champion Double Platinum Power spark plugs provide the powerful performance you need.
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Top-Rated Spark Plug Brands For Your 2008 Audi A6 Quattro

When it comes to finding the perfect Spark Plug for your 2008 Audi A6 Quattro, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 8 trusted brands. We carry the most popular Spark Plug brands including Bosch, Autolite, and DENSO, and more, all known for their exceptional customer ratings (average brand rating of 4.7 stars) and competitive prices, as low as $4.99. Purchasing a Spark Plug from us here at Advance Auto Parts is a smart move for both you and your 2008 Audi A6 Quattro, providing peace of mind with parts that meet or exceed OEM standards.

Popular Bosch 2008 Audi A6 Quattro Spark Plugs

If you’re looking for a top-quality Spark Plug for your 2008 Audi A6 Quattro, Advance Auto Parts has exactly what you need with our selection of Bosch Spark Plugs. We have 1 Bosch Spark Plugs in stock for this fitment, all known for their durability and precision fit. With prices starting at just $4.99, you’ll find the perfect Spark Plug for your needs and budget. Bosch Spark Plugs for the 2008 Audi A6 Quattro come highly rated, with over 1 customer reviews and an impressive average rating of 4.7 stars. Choosing a Bosch Spark Plug from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Bosch Nickel Copper-Core Spark Plug: Enhanced Durability & Performance, 7406
from $4.99
(1)
Bosch Nickel Copper-Core Spark Plug: Enhanced Durability & Performance, 7406
“Superior plugs for v8 bar none….”

Top-Quality Autolite 2008 Audi A6 Quattro Spark Plugs

For those in search of a high-quality Spark Plug for their 2008 Audi A6 Quattro, Advance Auto Parts offers a great selection of Autolite Spark Plugs. With 3 Autolite Spark Plugs in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Spark Plugs start at just $5.49, with an average price of $7.66, giving you a range of options to suit your budget. Backed by over 294 customer ratings and an average rating of 4.6 stars, Autolite Spark Plugs provide both reliability and excellent performance. Choosing a Autolite Spark Plug from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
Autolite Platinum Spark Plug: Enhanced Durability & Improved Performance, AP3923
from $5.49
(149)
Autolite Platinum Spark Plug: Enhanced Durability & Improved Performance, AP3923
“Ran these in my Hyundai Elantra and gas mileage increased as well as increase in performance. Pleasantly surprised.”
Autolite Racing Resistor Spark Plug: Enhanced Heat Transfer for Peak Performance, AR3923
from $5.99
(4)
Autolite Racing Resistor Spark Plug: Enhanced Heat Transfer for Peak Performance, AR3923
“It was time to freshening up the plugs,”

FAQs for 2008 Audi A6 Quattro Spark Plugs

What are the best-selling Spark Plugs for 2008 Audi A6 Quattros?

What’s the price range for 2008 Audi A6 Quattro Spark Plugs?

The prices of Spark Plugs for the 2008 Audi A6 Quattro range from $4.49 up to $28.99 for the most premium parts.

What is the average price of a Spark Plug for a 2008 Audi A6 Quattro?

The average price for Spark Plugs for the 2008 Audi A6 Quattro is $10.21. Keep in mind the variety of part types within our Spark Plug category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Spark Plugs for other Audi A6 Quattro model years?

Yes, we carry Spark Plugs for 29 model years of Audi A6 Quattros between 1995 and 2025. The following model years are the most popular for Spark Plug purchases: 2021, 2020, 2019, 2018, 2017, 2016, 2015, 2014, and 2013.

Does Advance Auto Parts sell Spark Plugs for any other 2008 Audi models?

Yes. We stock Spark Plugs for 15 other popular 2008 Audi models. Some of the most popular are 2008 S4 Spark Plugs, 2008 A4 Quattro Spark Plugs, 2008 A4 Spark Plugs, 2008 A6 Spark Plugs, and 2008 TT Quattro Spark Plugs.

What are the top-rated Spark Plugs that fit the 2008 Audi A6 Quattro?

Based on 1,975 reviews by customers, our 2008 Audi A6 Quattro Spark Plugs have an average customer rating of 4.4 stars. These are the highest-rated categories of Spark Plugs for the 2008 Audi A6 Quattro and their top-rated products:

What types of Spark Plugs do you sell for my 2008 Audi A6 Quattro?

As of 8/2/26, these are some of the most in-demand types of Spark Plugs for a 2008 Audi A6 Quattro:

Can I get help with 2008 Audi A6 Quattro Spark Plug orders?

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

What is your return policy for Audi A6 Quattro Spark Plugs?

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