1999 Audi A8 Ignition and Tune-Up Products

Name: Copper Resistor Spark Plug: Quick Starts & Enhanced Durability
Brand: Autolite
SKU: 103
Price: 4.29 USD
Rating: 5.0 (31 reviews)

Below you will find various in-demand Audi Ignition and Tune-Up Products, components and accessories for your 1999 A8. Advance Auto Parts has popular A8 parts like Ignition Electronic Parts, Spark Plugs, Ignition Sensors and more. You’ll also find aftermarket and OEM Ignition and Tune-Up Products for other A8 model years including 1997 1998 and more. Select a category of 1999 Audi A8 Ignition and Tune-Up Products below and start saving instantly.

Popular 1999 Audi A8 Ignition and Tune-Up Products Categories

Spark Plugs

Ignition Coils

Knock Sensors

Ignition Module and Controls

Ignition Coil Connectors

Ignition Starter Switches

Essential Ignition and Tune-Up Products for 1999 Audi A8s

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$4.29

Autolite Copper spark plugs are designed to provide reliable performance and durability, making them an excellent 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 mid-projection design optimizes spark delivery. A high alumina multi-rib ceramic insulator enhances thermal conductivity and insulation, contributing to superior strength and reliability. The nickel-plated shell resists corrosion, ensuring long-lasting durability even in demanding conditions. With a tapered seat type and integrated resistor, these spark plugs are built to meet performance expectations, delivering quick starts and the power your vehicle needs.

Product Features:

The copper core center electrode aids in thermal control and improves resistance to fouling.
Its specially engineered high nickel alloy center and ground electrode provides extended life.
The high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength.
Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended periods.
The integrated resistor minimizes electrical interference, ensuring smoother engine performance and reliable ignition.

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$7.99

The Champion Iridium Spark Plug is engineered for maximum performance and durability, making it the ultimate choice for high-performance engines. Featuring a fine-wire iridium center electrode and a platinum-enhanced ground electrode, this premium spark plug ensures sharper spark focus and greater ignitability for optimal engine efficiency. The V-trimmed ground electrode design enhances spark precision, while the Heat-Active alloy allows the electrodes to quickly reach and maintain stable operating temperatures under all engine loads. Built with a tapered seat and resistor type, it delivers consistent performance and reduces interference. Designed for longevity, the iridium center electrode ensures extended service life, making it a reliable and cost-effective solution for demanding driving conditions. Whether you’re looking to enhance your vehicle’s ignition system or maintain peak engine performance, this Champion spark plug is the perfect upgrade.

Product Features:

Champion Iridium – Maximum Performance. Premium Spark Plug
Iridium center electrode delivers maximum life
Fine-wire center electrode and V-trimmed for greater ignitability
V-trimmed ground electrode promotes sharper spark focus
Maintains stable operating temperature under all engine loads
Heat-Active alloy allows electrodes to reach optimal temperature quickly

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$4.49

Champion Platinum Power spark plugs are engineered to deliver exceptional performance and durability, making them an ideal choice for maintaining your vehicle’s peak efficiency. Featuring a platinum center electrode, these spark plugs ensure long-lasting reliability and consistent performance. The fine-wire center electrode enhances ignitability, while the V-trimmed ground electrode sharpens spark focus for improved combustion. Constructed with the exclusive Heat-Active alloy, these plugs quickly reach and maintain optimal operating temperatures, ensuring smooth engine operation. The platinum-tipped center wire resists wear and helps preserve the proper gap specification throughout the plug’s lifespan, reducing the need for frequent replacements. Designed as a standard replacement with a tapered seat type, these spark plugs are compatible with a wide range of vehicles. With a nickel ground electrode tip and integrated resistor, they provide dependable ignition performance while minimizing interference. Choose Champion Platinum Power spark plugs for a blend of power, efficiency, and long-term value.

Product Features:

Platinum Power- Premium Spark Plug. Powerful Performance.
Platinum center electrode for long life
Fine-wire center electrode for greater ignitability
V-trimmed ground electrode promotes sharper spark focus
Heat-Active alloy allows electrodes to reach optimal temperature
Platinum tipped center wire resists wear and helps to maintain proper gap spec over life of the plug

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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 – up to 6% on average – and better fuel efficiency, saving you money while reducing engine carbon deposits. Constructed with durable nickel for both the center and ground electrode tips, this spark plug is built to last. Its tapered seat design ensures a secure fit, and the pre-gapped configuration eliminates the need for adjustments, making installation hassle-free. With its advanced technology, this spark plug not only boosts performance but also promotes cleaner combustion, making it a smart upgrade for any vehicle.

Product Features:

E3’s Diamond Fire edge to edge ground electrode provides maximum performance with increased efficiency and a faster more complete burn
Smoother Acceleration & Idle – The faster flame initiated by the spark plug results in a more complete burn of the ingested fuel charge. More pressure is created against the piston more fuel is put to work
Energy – Power output improved up to 6% on average in the typical operating ranges. Results will vary.
Efficiency – The “diamond shaped” side wire electrode projects the combustion spark in a way that more quickly ignites the air/fuel mixture, thereby creating a significantly faster and larger flame kernel. The result is that more fuel is put to work durin
E3’s patented Diamond Fire Technology provides a cleaner burning combustion, which translates into fuel savings and reduced engine carbon deposits
The Spark Plugs are pre-gapped at the factory and cannot be adjusted.

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$66.99

Carquest Premium Vehicle Solutions provides high-quality solutions for a wide range of applications. The Ignition Switch allows for reliable control of the vehicle’s electrical systems and engine start-up, enhancing convenience and ensuring consistent performance during operation. Engineered for maximum performance and durability, our products are built to excel in even the most demanding conditions, ensuring reliable operation and long-lasting value.

Product Features:

Durable Construction: Designed with high-quality materials to withstand harsh environmental conditions, ensuring long-lasting performance in extreme temperatures, vibrations, and moisture exposure.
Precision Engineering: Accurate sensing and switching capabilities provide reliable performance, reducing the risk of malfunctions and improving vehicle safety and efficiency.
Easy Installation & Maintenance: Designed for quick installation and minimal upkeep, reducing downtime and repair costs for both manufacturers and consumers.
Fit/Form/Function: Each vehicle electronic component is engineered to meet or surpass OEM standards, ensuring precise fit, optimal functionality, and reliable performance.

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$11.99

URO Parts has been a leading brand of replacement auto parts for European vehicles for more than thirty years. Affordable yet dedicated to quality, URO Parts controls its production process in strict accordance with ISO/TS 16949 QMS specifications and offers a wide variety of components used to restore or repair engine, electrical, drive train, braking, steering, suspension, climate control, cooling, exhaust, and fuel systems in classic to late-model German, British, and Scandinavian vehicles. Looking for parts that are even higher quality than original equipment? URO Parts engineers analyze common failures and identify weaknesses in original equipment parts when creating URO Premium components, which are superior to OE in performance and reliability thanks to improved materials and more robust designs. Thanks to high-quality, competitively-priced URO Parts and bulletproof URO Premium replacement components, owning a prestigious European vehicle is no longer an expensive luxury reserved for the elite and wealthy.

Product Features:

Guaranteed Fitment
High Quality Materials
Designed and tested to provide a long life
Guaranteed fitment
Replacement of worn or failing OE starter switch instantly restores easy key rotation and positive engagement of starter
Direct-fit OE replacement design for easy plug-and-play installation
Manufactured using high-quality polymer and corrosion-resistant metal materials to withstand intense passenger compartment heat
Alloy conductors minimize electrical resistance for accurate operation

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$50.99

Durable Construction: Designed with high-quality materials to withstand harsh environmental conditions, ensuring long-lasting performance in extreme temperatures, vibrations, and moisture exposure.
Precision Engineering: Accurate sensing and switching capabilities provide reliable performance, reducing the risk of malfunctions and improving vehicle safety and efficiency.
Easy Installation & Maintenance: Designed for quick installation and minimal upkeep, reducing downtime and repair costs for both manufacturers and consumers.
Fit/Form/Function: Each vehicle electronic component is engineered to meet or surpass OEM standards, ensuring precise fit, optimal functionality, and reliable performance.

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$42.99

Carquest Knock Sensors respond to a wide range of engine knock frequencies providing accurate engine condition to the ECM for optimal ignition timing. Highest quality piezoceramic element manufactured to tight tolerances for increased durability. All Carquest Knock Sensors are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.

Product Features:

Precision piezoceramic element ensures accurate response to a wide range of engine vibrations
Manufactured using the highest quality OEM materials to ensure optimal performance and rugged durability
Designed to meet or exceed all OEM specifications in fit, form & function
Extensive product testing includes salt spray, high/low temperature impact, thermal cycling, vibration, drop among other tests, to ensure all sensors meet or exceed OEM specifications.

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$66.99

Bosch OE quality knock sensors for optimum engine protection and fuel consumption reduction up to 9%.

Product Features:

Bosch OE quality knock sensors for optimum engine protection
Bosch OE quality knock sensors improve combustion efficiency and reduce fuel consumption up to 9%
Bosch OE quality knock sensors increase torque up to 5%
Bosch OE quality knock sensors enable the use of multiple quality fuels with various anti-knock properties

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$34.99

Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:

Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
Product constructed to meet all design and operating characteristics as intended by the manufacturer.

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$21.99

Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
WVE electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
Product constructed to meet all design and operating characteristics as intended by the manufacturer.
OE specified wire gauge to ensure a reliable electrical connection
Designed to meet or exceed OE specifications in form, fit and function

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$119.99

CARQUEST Ignition Modules are built by an ignition systems manufacturer with expertise in the entire vehicle spark system.

Product Features:

CARQUEST Ignition Modules creates and refines the timing of the engine using various sensors and readings throughout the spark system in order to create an efficiently running engine.
CARQUEST Ignition Modules use current and voltage limiting circuitry in order to prevent the ignition coil from over voltage/current. Over voltages can allow for coils to create excessive heat which can damage to the ignition module resulting in check eng
CARQUEST Ignition Modules are 100% individually tested for all product functionalities including over voltage, timing and dwell.

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$62.99

Guaranteed Fitment
High Quality Materials
Guaranteed fitment
A failing ignition control module can lead to poor performance or even a stalled engine
Direct-fit OE replacement design instantly restores factory ignition control module function
Alloy conductors minimize electrical resistance for precise control of ignition timing
Manufactured using high-quality materials to withstand intense engine compartment heat

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$59.99

Every single Delphi ignition coil is designed and endurance tested using high quality materials. This ensures fast starts, consistent engine performance and optimized fuel efficiency. We makes more than 10 million ignition coils for North America each year, and each one is engineered to OE design specifications for vehicles from Ford, Toyota, Nissan, Lexus, GM, Mazda, Chrysler, Subaru, Acura and more.

Product Features:

Delphi coils provide OE performance, durability and electromagnetic capacity level requirements
Delphi ignition coils are designed to operate as part of an integral engine management system to insert power into spark plugs and ensure fast starts; consistent engine performance and optimized fuel efficiency
Delphi uses winding process techniques to control the length of wire between adjacent windings; that’s important since more length means greater voltage differences and can create more pressure that could break down the insulation and wire coating
We back our ignition coil design with proven materials, such as high quality wires and wire coating that resists the cracks, pin holes and imperfections that most often lead to failure issues

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$46.49

Carquest Premium ignition coils meet or exceed original equipment (OE) specifications and are developed by top OE/OES manufacturers to ensure superior performance. All of our Carquest Premium ignition coils are developed by IATF 16949 certified manufacturers for consistent durability and long-lasting performance. These ignition coils use high-quality components and will utilize optimized designs on applications where the OE ignition coil had frequent failures. We require stringent testing standards to ensure proper fit and performance for each application and stand behind our Carquest Premium ignition coils with an industry-leading warranty. Carquest Premium ignition coils are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.

Product Features:

Built by IATF 16949 certified manufacturers for consistent durability
Coil drivers match OE for current limit, electrostatic discharge (ESD) protection and multi-spark
Segmented secondary bobbins to distribute high voltage and prevent shorting
Extensive design validation testing to ensure long-lasting reliability
100% end-of-line tested to ensure proper performance
Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413

Upgrade your 1999 Audi A8 with Top-Quality Ignition and Tune-Up Products

When it comes to maintaining or upgrading your 1999 Audi A8, 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, Ignition and Tune-Up Products are key to keeping your A8 functioning at its best. At Advance Auto Parts, we offer a wide selection of 22 Ignition and Tune-Up Products for the 1999 Audi A8, designed to meet your needs without breaking the bank. From Ignition Electronic Part replacements to Spark Plugs 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 Ignition and Tune-Up Products for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Ignition and Tune-Up Products for your 1999 Audi A8 at great prices. Our Ignition and Tune-Up Products inventory for this model ranges from just $2.99 to $119.99, with an average price of $28.36. Our 22 Ignition and Tune-Up Products in stock come from 10 trusted brands, so you’re sure to find the right part for your 1999 Audi A8 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 1999 Audi A8, we stock popular OEM and aftermarket Ignition and Tune-Up Products from top names like Champion, Autolite, DENSO, and more. Champion Ignition and Tune-Up Products start at just $2.99 and boast an impressive 4.7 stars average rating from customers. Autolite and DENSO also bring quality to the table, with Ignition and Tune-Up Products available starting at $4.29, and at an average 4.6 stars rating. With 258 customer reviews and counting, our 1999 Audi A8 Ignition and Tune-Up Products 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 Ignition and Tune-Up Product upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants and more to make sure your 1999 Audi A8 is always ready to roll. We’re committed to providing you with everything you need to keep your A8 in top shape, all in one place. Start shopping confidently below for your 1999 Audi A8!

Best-Selling Ignition Electronic Parts for 1999 Audi A8s

Enhance the driving experience in your Audi with 2 quality Ignition Electronic Part components, starting at $62.99.

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from

$62.99

Guaranteed Fitment
High Quality Materials
Guaranteed fitment
A failing ignition control module can lead to poor performance or even a stalled engine
Direct-fit OE replacement design instantly restores factory ignition control module function
Alloy conductors minimize electrical resistance for precise control of ignition timing
Manufactured using high-quality materials to withstand intense engine compartment heat

from

$119.99

CARQUEST Ignition Modules are built by an ignition systems manufacturer with expertise in the entire vehicle spark system.

Product Features:

CARQUEST Ignition Modules creates and refines the timing of the engine using various sensors and readings throughout the spark system in order to create an efficiently running engine.
CARQUEST Ignition Modules use current and voltage limiting circuitry in order to prevent the ignition coil from over voltage/current. Over voltages can allow for coils to create excessive heat which can damage to the ignition module resulting in check eng
CARQUEST Ignition Modules are 100% individually tested for all product functionalities including over voltage, timing and dwell.

Most Popular 1999 Audi A8 Spark Plugs

Customize your Audi with 13 Spark Plugs products like Spark Plugs, all priced under $13.99.

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from

$4.29

The copper core center electrode aids in thermal control and improves resistance to fouling.
Its specially engineered high nickel alloy center and ground electrode provides extended life.
The high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength.
Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended periods.
The integrated resistor minimizes electrical interference, ensuring smoother engine performance and reliable ignition.

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$6.99

The Double Platinum Spark Plug is engineered for exceptional durability and performance, making it a top choice for distributor-less ignition system (DIS) engines. Featuring a platinum-to-platinum design, it minimizes gap erosion and reduces misfires, ensuring a longer service life compared to copper and standard platinum plugs. Its yttrium-enhanced ground electrode delivers superior heat transfer, allowing it to withstand high temperatures and pressures for extended durability. The high alumina ceramic insulator optimizes thermal conductivity and dielectric strength, while the multi-rib insulator prevents flash-over for reliable operation. With a mid-projection center electrode and tapered seat type, this performance-grade spark plug is built to deliver consistent ignition and efficiency. Both the center and ground electrode tips are crafted from platinum, ensuring robust functionality and reliability. Designed to meet the demands of modern engines, this spark plug offers outstanding value and long-lasting performance.

Product Features:

Engineered with a platinum-to-platinum design that prevents gap erosion, extending the life of the spark plug.
The yttrium-Enhanced Ground Electrode delivers superior heat transfer that delivers more durability under high temps and pressure for greater life.
Its high alumina ceramic insulator provides optimum thermal conductivity and dielectric strength.
The multi-rib insulator prevents flash-over.
Designed with a mid-projection center electrode and tapered seat type to ensure consistent ignition and improved engine efficiency.

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$13.99

The Iridium Power Spark Plug features the world’s smallest Iridium Center Electrode at just 0.4mm, delivering enhanced spark energy for maximum combustion efficiency. Engineered with a patented 360-degree laser welding assembly process, this spark plug ensures unmatched durability and precision. Its U-groove and taper-cut ground electrode design optimizes flame propagation, resulting in improved engine performance. Built to withstand extreme temperatures exceeding 4000 degrees Fahrenheit, it is burnished with nickel plating for exceptional high-temperature endurance and superior corrosion resistance. Designed for versatility, it offers a wide range of part numbers to fit thousands of applications, including classic and collector cars. With its advanced Iridium tip material and tapered seat type, this spark plug is the ultimate choice for drivers seeking peak performance and long-lasting reliability.

Product Features:

World’s smallest Iridium Center Electrode (0.4mm) for improved spark for maximum combustion
Patented 360-degree laser welding assembly process
U-groove and taper cut ground electrode to maximize flame propagation.
Withstands temperatures greater than 4000 degree Fahrenheit
Burnished nickel plating for high temperature endurance and superior corrosion resistance
Wide range of part numbers for thousands of applications, including classic and collector cars
Iridium Power

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$4.99

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, enhanced acceleration, and improved fuel efficiency. The platinum firing tip prevents gap erosion, extending the service life, while the high alumina ceramic insulator offers excellent thermal conductivity and insulation for added strength. A multi-rib insulator design prevents flash-over, ensuring reliable operation, and the nickel-plated shell resists corrosion for long-lasting durability. With a mid-projection standard center electrode and a tapered seat type, these performance-grade spark plugs deliver consistent results. The combination of platinum and nickel materials in the electrode tips further enhances reliability, making them a trusted choice for maintaining engine efficiency and longevity.

Product Features:

Engineered with a platinum firing tip that prevents gap erosion for longer service life.
Its high alumina ceramic insulator provides thermal conductivity and superior insulation for increased strength.
The multi-rib insulator prevents flash-over.
Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended life.
Incorporates a mid-projection center electrode design to deliver consistent and reliable performance.

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$2.99

The Copper Plus Spark Plug delivers dependable performance and durability, making it a reliable choice for maintaining optimal engine function. Featuring a copper core center electrode, it ensures enhanced conductivity and precise heat control, promoting good overall wear and extending the spark plug’s lifespan. Built to ISO and SAE Standards, this spark plug guarantees proven performance and superior corrosion resistance, even in demanding conditions. Its nickel center electrode tip and tapered seat design further enhance reliability and engine efficiency, making it an excellent standard replacement option. With a resistor type design and robust materials, this spark plug is engineered to provide consistent ignition and long-lasting durability, ensuring your vehicle runs smoothly mile after mile.

Product Features:

Copper Plus – Dependable Performance and Durability
Copper core center electrode allows for accurate control of heat range for longer life
Superior corrosion resistance
Built to ISO and SAE standards for proven performance
Built to ISO and SAE standards for proven performance
Enhanced Conductivity and Heat Control: The Champion Copper Plus Spark Plug features a copper core electrode that provides increased conductivity and heat control, ensuring good overall wear and extending the spark plug’s life.
Reliable Nickel Center Electrode Tip: Featuring a nickel center electrode tip and a tapered seat type, this spark plug enhances reliability and ensures optimal engine performance.

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$12.99

The Iridium TT Spark Plug combines the durability of an OE-style plug with the enhanced power and torque of high-performance engineering. Featuring a 0.4mm Iridium center electrode – the world’s smallest diameter – it maximizes firing potential for superior ignition. The 0.7mm needle tip ground electrode promotes higher spark energy while reducing heat quenching, ensuring consistent performance. Built with DENSO’s patented Iridium-Rhodium alloy formula, this spark plug boasts the highest concentration of Iridium among competitors, delivering unmatched durability. The 360-degree laser welding process guarantees a robust bond and structural integrity, even under extreme conditions. With the ability to withstand temperatures exceeding 4000 Deg F, this plug is engineered for ultimate endurance. Its tapered seat design ensures a precise fit, making it a reliable choice for those seeking long-lasting performance and efficiency.

Product Features:

0.4mm Iridium Center Electrode: World’s Smallest Diameter that maximizes firing potential
0.7mm Needle Tip Ground Electrode: Promotes higher spark energy and less heat quenching
DENSO Patented Optimized Iridium-Rhodium Alloy Formula: Highest concentration of Iridium vs. competitors for greater durability
DENSO Patented 360 degree laser welding process: Ensuring exceptional quality bond and structural strength with the Iridium Center Electrode
Durability of an OE style plug combined with Power and Torque of high performance.
Withstands temperatures greater than 4000 degree Fahrenheit
Iridium TT

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$8.49

E3’s Diamond Fire edge to edge ground electrode provides maximum performance with increased efficiency and a faster more complete burn
Smoother Acceleration & Idle – The faster flame initiated by the spark plug results in a more complete burn of the ingested fuel charge. More pressure is created against the piston more fuel is put to work
Energy – Power output improved up to 6% on average in the typical operating ranges. Results will vary.
Efficiency – The “diamond shaped” side wire electrode projects the combustion spark in a way that more quickly ignites the air/fuel mixture, thereby creating a significantly faster and larger flame kernel. The result is that more fuel is put to work durin
E3’s patented Diamond Fire Technology provides a cleaner burning combustion, which translates into fuel savings and reduced engine carbon deposits
The Spark Plugs are pre-gapped at the factory and cannot be adjusted.

from

$4.49

Platinum Power- Premium Spark Plug. Powerful Performance.
Platinum center electrode for long life
Fine-wire center electrode for greater ignitability
V-trimmed ground electrode promotes sharper spark focus
Heat-Active alloy allows electrodes to reach optimal temperature
Platinum tipped center wire resists wear and helps to maintain proper gap spec over life of the plug

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$10.99

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.

Product Features:

0.6 mm finewire design improves ignitability
Patented V-trimmed platinum sidewire technology resists wear
OE equivalent design is engineered for every engine
Designed for better overall durability with virtually no gap erosion
Double Iridium-enhanced alloy technology ensures superior wear resistance for extended plug life.

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$10.29

ACDelco Gold (Professional) Double Platinum Spark Plug are a high quality alternative to Original Equipment (OE) parts. With a copper core and double platinum pads on the center electrode, these plugs are designed to deliver long-lasting performance. 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.

Product Features:

One-piece, fired-in suppressor seal blends three glass types for a gas-tight seal that helps reduce radio frequency and engine interference, regulate spark plug energy, and protect against compression pressures for long life
Double platinum point pad on center and ground electrode offer excellent durability and consistent voltage demands to help reduce wear on ignition system
Pure copper core results in cooler electrode temperature for maximized durability and fouling resistance
Some ACDelco Gold parts may have formerly appeared as ACDelco Professional
Premium aftermarket replacement part
Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models

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$6.99

Champion Double Platinum Power spark plugs are engineered to deliver exceptional performance and durability for your vehicle. Featuring a fine-wire platinum center electrode and a platinum pad ground electrode, these spark plugs ensure greater wear resistance and sharper spark focus for reliable ignition. The innovative Heat-Active alloy allows the electrodes to maintain optimal operating temperatures under all engine loads, enhancing overall efficiency. With a V-trimmed ground electrode design, these plugs promote precise spark delivery, improving ignitability and engine performance. Designed as a standard replacement, they are built to provide maximum life and consistent performance, making them a dependable choice for maintaining your vehicle’s peak operation. Equipped with a resistor and a tapered seat type, these spark plugs are a perfect blend of advanced technology and practicality, ensuring stable performance and long-lasting reliability.

Product Features:

Double Platinum Power – Premium Spark Plug. More Powerful Performance.
Platinum center and ground electrode for greater wear resistance
Maintains stable operating temperature under all engine loads
Fine-wire center electrode for greater ignitability
V-trimmed ground electrode promotes sharper spark focus
Heat-Active alloy allows electrodes to reach optimal temperature
Platinum Center Electrode Tip: Guarantees maximum life and exceptional performance.

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$7.99

Champion Iridium – Maximum Performance. Premium Spark Plug
Iridium center electrode delivers maximum life
Fine-wire center electrode and V-trimmed for greater ignitability
V-trimmed ground electrode promotes sharper spark focus
Maintains stable operating temperature under all engine loads
Heat-Active alloy allows electrodes to reach optimal temperature quickly

Spark Plug: Reliable Ignition with Nickel Electrode Design

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$4.99

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 seal and preventing gas leakage for optimal combustion efficiency. Designed to deliver long-lasting durability and compatibility with a wide range of vehicles, this spark plug is an excellent value for drivers seeking dependable ignition and smooth engine operation.

Product Features:

Engineered with a durable nickel construction for both the center and ground electrode tips, ensuring excellent conductivity and resistance to wear.
Tapered seat design enhances the seal, preventing gas leakage and promoting optimal combustion efficiency.
Compatible with a wide range of vehicles, offering versatility and convenience for various applications.
Designed to deliver consistent ignition performance, supporting smooth engine operation and reliability.
Long-lasting durability makes it a cost-effective choice for maintaining engine performance over time.

Top Picks for 1999 Audi A8 Ignition Sensors

Upgrade Audi A8s with top-quality Ignition Sensors parts, including 2 OEM and aftermarket selections for your 1999 model.

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from

$66.99

Bosch OE quality knock sensors for optimum engine protection and fuel consumption reduction up to 9%.

Product Features:

Bosch OE quality knock sensors for optimum engine protection
Bosch OE quality knock sensors improve combustion efficiency and reduce fuel consumption up to 9%
Bosch OE quality knock sensors increase torque up to 5%
Bosch OE quality knock sensors enable the use of multiple quality fuels with various anti-knock properties

from

$42.99

Precision piezoceramic element ensures accurate response to a wide range of engine vibrations
Manufactured using the highest quality OEM materials to ensure optimal performance and rugged durability
Designed to meet or exceed all OEM specifications in fit, form & function
Extensive product testing includes salt spray, high/low temperature impact, thermal cycling, vibration, drop among other tests, to ensure all sensors meet or exceed OEM specifications.

In-Demand Ignition Switches for 1999 Audi A8s

Select from 1 premium Ignition Switches parts for your 1999 Audi A8.

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from

$66.99

Durable Construction: Designed with high-quality materials to withstand harsh environmental conditions, ensuring long-lasting performance in extreme temperatures, vibrations, and moisture exposure.
Precision Engineering: Accurate sensing and switching capabilities provide reliable performance, reducing the risk of malfunctions and improving vehicle safety and efficiency.
Easy Installation & Maintenance: Designed for quick installation and minimal upkeep, reducing downtime and repair costs for both manufacturers and consumers.
Fit/Form/Function: Each vehicle electronic component is engineered to meet or surpass OEM standards, ensuring precise fit, optimal functionality, and reliable performance.

Most Sold 1999 Audi A8 Ignition Coils and Boots

Explore our best-selling Audi parts for the 1999 A8 among 4 OEM and aftermarket options starting from $21.99.

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from

$46.49

Built by IATF 16949 certified manufacturers for consistent durability
Coil drivers match OE for current limit, electrostatic discharge (ESD) protection and multi-spark
Segmented secondary bobbins to distribute high voltage and prevent shorting
Extensive design validation testing to ensure long-lasting reliability
100% end-of-line tested to ensure proper performance
Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413

from

$34.99

Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
Product constructed to meet all design and operating characteristics as intended by the manufacturer.

from

$21.99

Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
WVE electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
Product constructed to meet all design and operating characteristics as intended by the manufacturer.
OE specified wire gauge to ensure a reliable electrical connection
Designed to meet or exceed OE specifications in form, fit and function

from

$59.99

Delphi coils provide OE performance, durability and electromagnetic capacity level requirements
Delphi ignition coils are designed to operate as part of an integral engine management system to insert power into spark plugs and ensure fast starts; consistent engine performance and optimized fuel efficiency
Delphi uses winding process techniques to control the length of wire between adjacent windings; that’s important since more length means greater voltage differences and can create more pressure that could break down the insulation and wire coating
We back our ignition coil design with proven materials, such as high quality wires and wire coating that resists the cracks, pin holes and imperfections that most often lead to failure issues

Top-Rated Ignition and Tune-Up Products Brands For Your 1999 Audi A8

Shop for the best-rated brands offering Ignition and Tune-Up Products and other products for your 1999 Audi A8s. Below you’ll find some of our best rated Ignition and Tune-Up Products from Champion, Autolite, and DENSO, and more. Ignition and Tune-Up Products from these brands that fit a 1999 A8 start at just $2.99 and are rated as high as 4.7 stars. OEM and aftermarket Ignition and Tune-Up Products don’t get more top quality, durable, and affordable than from the brands below.

Popular Champion 1999 Audi A8 Ignition and Tune-Up Products

When it comes to maintaining or upgrading your 1999 Audi A8, using quality Ignition and Tune-Up Products is essential to ensure durability and a perfect fit. Champion ticks all of those boxes. We offer a wide selection of Champion Ignition and Tune-Up Products, specifically designed for the 1999 Audi A8. With over 2 Champion brand Ignition and Tune-Up Products in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $2.99, with an average price of just $3.74. Plus, with over 52 customer reviews and an average rating of 4.7 stars, you can trust that our Champion Ignition and Tune-Up Products will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.

from $2.99

(51)

Copper Plus Spark Plug (RS12YC): Dependable Performance & Durability

“Good price.”

from $4.49

(1)

Platinum Power Spark Plug (RS10PYC4): Powerful Performance & Longevity

“Nice Part”

Popular Autolite 1999 Audi A8 Ignition and Tune-Up Products

Autolite auto parts is one of the highest quality Ignition and Tune-Up Product brands in the market. Any 1999 Audi A8 owner should feel confident when installing genuine Autolite parts in their vehicle. To ensure the best fit and performance for your 1999 A8, Advance Auto Parts carries a full inventory of 3 Autolite Ignition and Tune-Up Products. Plus you will be keeping your Audi in peak condition while saving money because prices on these Autolite Ignition and Tune-Up Products range from $4.29 to $6.99, plus, with more than 166 customer reviews and an impressive 4.6 stars average rating, you can be confident the Fram Ignition and Tune-Up Products below will deliver on both quality and value.

from $6.99

(53)

Double Platinum Spark Plug: Enhanced Durability & Performance

“I debated between platinum, double platinum, and iridium plugs as a suitable replacement for my copper-based plugs in my V12 Jaguar. I settled on the ”

from $4.99

(82)

Platinum Spark Plug (AP103): Improved Performance & Durability

“My van is running, so I assume the plugs are workin’ fine. I’ll update you at 50,000 miles.”

from $4.29

(31)

Copper Resistor Spark Plug: Quick Starts & Enhanced Durability

“Yes”

FAQs for 1999 Audi A8 Ignition and Tune-Up Products

Which Ignition and Tune-Up Products are best-sellers for 1999 Audi A8s?

Out of 22 Ignition and Tune-Up Products that fit 1999 Audi A8s, the following parts are the top sellers:

Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition (15650186) – $10.99
Copper Plus Spark Plug (RS12YC): Dependable Performance & Durability (5470017) – $2.99
DiamondFIRE Automotive Spark Plug: More Power & Fuel Efficiency (19650223) – $8.49

What’s the price range for 1999 Audi A8 Ignition and Tune-Up Products?

Ignition and Tune-Up Product prices for the 1999 Audi A8 start at $2.99 and go up to $119.99 for the most premium parts.

What’s the average price of a Ignition and Tune-Up Product for a 1999 Audi A8?

The average price for Ignition and Tune-Up Products for the 1999 Audi A8 is $28.36. Keep in mind the variety of part types within our Ignition and Tune-Up Product category so you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Ignition and Tune-Up Products for other Audi A8 model years?

Yes, we currently carry Ignition and Tune-Up Products for 1 model years of Audi A8s between 1997 and 1998. Ignition and Tune-Up Products are bought most frequently for the following model years: 1998 and 1997.

What are the cheapest Ignition and Tune-Up Products for my 1999 Audi A8?

The cheapest 1999 Audi A8 Ignition and Tune-Up Products we carry in stock are:

Copper Plus Spark Plug (RS12YC): Dependable Performance & Durability (5470017) – $2.99
Copper Resistor Spark Plug: Quick Starts & Enhanced Durability (5390346) – $4.29
Platinum Power Spark Plug (RS10PYC4): Powerful Performance & Longevity (5470036) – $4.49
Platinum Spark Plug (AP103): Improved Performance & Durability (11390013) – $4.99
Spark Plug: Reliable Ignition with Nickel Electrode Design (50012484) – $4.99

What are the top-rated Ignition and Tune-Up Products that fit the 1999 Audi A8?

Out of 258 reviews by customers, our 1999 Audi A8 Ignition and Tune-Up Products have an average customer rating of . These are some of the highest-rated Ignition and Tune-Up Product types for the 1999 Audi A8 and their top-rated products:

Spark Plugs
- Copper Resistor Spark Plug: Quick Starts & Enhanced Durability (5390346) – $4.29
- Double Platinum Spark Plug: Enhanced Durability & Performance (12026722) – $6.99
- Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IT20 (20650526) – $13.99

What types of Ignition and Tune-Up Products do you sell for my 1999 Audi A8?

As of 11/2/25, these are some of the most in-demand types of Ignition and Tune-Up Products for a 1999 Audi A8:

Can I get help with 1999 Audi A8 Ignition and Tune-Up Product orders?

Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about Audi Ignition and Tune-Up Products and more.

What is your return policy for Audi A8 Ignition and Tune-Up Products?

Advance Auto Parts keeps returns simple. For new Audi A8 Ignition and Tune-Up Products and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

1999 Audi A8 Ignition and Tune-Up Products

Autolite – Copper Resistor Spark Plug: Quick Starts & Enhanced Durability (Part No.103)

Champion – Iridium Spark Plug (RS12WYPB4): Maximum Performance & Longevity (Part No.9204)

Champion – Platinum Power Spark Plug (RS10PYC4): Powerful Performance & Longevity (Part No.3401)

E3 – DiamondFIRE Automotive Spark Plug: More Power & Fuel Efficiency (Part No.E3.53)

Carquest Premium – Ignition Switch (Part No.CSA1263)

URO Parts – Ignition Switch (Part No.4A0905849B)

Carquest Premium – Ignition Switch (Part No.CSA1854)

Carquest Premium – Knock Sensor (Part No.SBC3981)

Bosch – Knock Sensor (Part No.0261231040)

Carquest Premium – Ignition Coil Connector (Part No.HAC1004)

Carquest Premium – Multi-Use Connector (Part No.PTA1566)

Carquest Premium – Ignition Module (Part No.CBE1075)

URO Parts – Ignition Control Module (Part No.4D0905351)

Delphi – Ignition Coil (Part No.GN10326)

Carquest Premium – Ignition Coil: Meets or Exceeds OE Specifications, 1 Count (Part No.EBC1727)

URO Parts – Ignition Control Module (Part No.4D0905351)

Carquest Premium – Ignition Module (Part No.CBE1075)

Autolite – Copper Resistor Spark Plug: Quick Starts & Enhanced Durability (Part No.103)

Autolite – Double Platinum Spark Plug: Enhanced Durability & Performance (Part No.APP103)

DENSO – Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IT20 (Part No.5326)

Autolite – Platinum Spark Plug (AP103): Improved Performance & Durability (Part No.AP103)

Champion – Copper Plus Spark Plug (RS12YC): Dependable Performance & Durability (Part No.401)

DENSO – Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, IT20TT (Part No.4714)

E3 – DiamondFIRE Automotive Spark Plug: More Power & Fuel Efficiency (Part No.E3.53)

Champion – Platinum Power Spark Plug (RS10PYC4): Powerful Performance & Longevity (Part No.3401)

Autolite Iridium – Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition (Part No.XP103)

ACDelco – Double Platinum Spark Plug: Long-Lasting Performance & Durability (Part No.41-812)

Champion – Double Platinum Power Spark Plug (RS12PYPB5): Enhanced Durability & Performance (Part No.7963)

Champion – Iridium Spark Plug (RS12WYPB4): Maximum Performance & Longevity (Part No.9204)

Motorcraft – Spark Plug: Reliable Ignition with Nickel Electrode Design (Part No.SP-505-AX)

Bosch – Knock Sensor (Part No.0261231040)

Carquest Premium – Knock Sensor (Part No.SBC3981)

Carquest Premium – Ignition Switch (Part No.CSA1263)

Carquest Premium – Ignition Coil: Meets or Exceeds OE Specifications, 1 Count (Part No.EBC1727)

Carquest Premium – Ignition Coil Connector (Part No.HAC1004)

Carquest Premium – Multi-Use Connector (Part No.PTA1566)

Delphi – Ignition Coil (Part No.GN10326)