1999 Audi A4 Spark Plugs
More 1999 Audi A4 Spark Plugs
Find your specific 1999 Audi A4 original or aftermarket Spark Plugs below. Order your parts online and have delivered to your home or pick up in-store at Advance Auto.
Essential 1999 Audi A4 Spark Plugs
Champion – Champion Platinum Power – Boxed – RC12PMCB3 (Part No.3720)
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$5.79
Champion® Platinum Power™ spark plugs deliver powerful performance. Made from exclusive Heat-Active™ alloy, a fine-wire center electrode and V-trimmed ground electrode provides sharp spark focus.
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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
Autolite – Platinum Spark Plug: Fires Cleaner, Easier Starts, Quicker Acceleration (Part No.AP3923)
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$4.79
With over 100 years of engineering expertise and more than 11 billion plugs sold, Autolite Platinum spark plugs are designed and engineered in the USA to deliver exceptional performance. Featuring a high nickel alloy side electrode that maintains a precise gap and a full platinum tip that ensures virtually no gap erosion, these spark plugs offer long-lasting durability. The necked-down center electrode fires quicker and cleaner with less voltage, resulting in easier starts, quicker acceleration, and improved fuel economy compared to standard plugs.
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Product Features:
- High nickel alloy side electrode maintains precise gap
- Full platinum tip assures virtually no gap erosion for long life
- Necked-down center electrode fires quicker, cleaner with less voltage for easier starts, quicker acceleration and improved fuel economy (as compared to standard plugs)
- Exceptional Performance: Designed and engineered in the USA, Autolite Platinum Spark Plugs deliver superior performance with over 100 years of engineering expertise and more than 11 billion plugs sold.
- Gasket Seat Type: Equipped with a gasket seat type, these spark plugs provide a secure and effective seal for optimal engine performance.
NGK – G-Power Spark Plug: Single Platinum Tip Design, BKR6EGP (Part No.7092)
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$6.29
NGK G-Power Platinum spark plugs are the best single platinum spark plugs at an economical price. G-Power plugs feature a fine wire platinum center electrode and a trapezoidal cut ground electrode that offers increased durability, improved fuel efficiency
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Product Features:
- SINGLE PLATINUM TIP: Fine wire 0.6 millimeter platinum tip center electrode ensures improved durability and a consistently stable spark
- PLATINUM ALLOY: G-Power platinum provides exceptional value with increased performance and longer service intervals than factory nickel plugs
- TRAPEZOIDAL CUT GROUND ELECTRODE: Reduces quenching design produces improved ignitability and performance
- SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
- COLD-ROLLED THREADS: Prevents cross-threading and damage to cylinder heads
- RECOMMENDED USAGE: Lower cost alternative to double precious metal spark plugs or as an upgrade to OE nickel alloy spark plugs
Autolite – Double Platinum Spark Plug: Platinum Firing, Superior Durability, Longer Life (Part No.APP5325)
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$6.79
Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, Autolite Double Platinum spark plugs feature platinum-to-platinum firing which virtually eliminates gap erosion, reduces misfires and increases durability of the plug. Consider upgrading to Autolite Iridium XP spark plugs for increased performance.
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- Works to optimize engine performance for a longer life and improved fuel economy
- OE design
- Full-platinum tips; platinum on both the center and side electrodes to promote reduced gap wear
- Platinum ball welding process provides a consistent point of contact for enhanced adhesion
Champion – Iridium Spark Plug: Maximum Performance, OE Replacement, KC8WYPB4 (Part No.9805)
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$8.49
Champion Iridium – the ultimate element. This spark plug’s fine-wire iridium center and platinum ground electrodes provide the sharpest spark focus for maximum performance.
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Product Features:
- V-trimmed ground electrode promotes sharper spark focus
NGK – OE Series Laser Iridium Spark Plug: Fine Wire Tip Design, IFR6Q-G (Part No.5648)
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$18.99
NGK Laser Iridium spark plugs offer the best combination of performance and longevity. Engineered specifically for OE applications, Laser Iridium 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. Most Laser Iridium spark plugs feature a platinum pad on the ground electrode for even wear in distributorless ignition systems.
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Product Features:
- ACTUAL OE or EQUIVALENT DESIGN: OEM quality construction fine wire iridium alloy center electrode provides consistent performance
- IRIDIUM ALLOY CENTER ELECTRODE: Iridium’s density (6x that of platinum) and extremely high melting point is perfect for modern high efficiency engines
- PLATINUM TIP GROUND ELECTRODE: Unless OE specified, platinum protection at the ground electrode provides excellent ignitability and service life
- SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
- TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
- RECOMMENDED USAGE: Best for vehicles with OE fine wire iridium alloy plugs
NGK – OE Series Laser Iridium Spark Plug: Fine Wire Tip Design, IFR6D10 (Part No.5344)
from
$18.99
NGK Laser Iridium spark plugs offer the best combination of performance and longevity. Engineered specifically for OE applications, Laser Iridium 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. Most Laser Iridium spark plugs feature a platinum pad on the ground electrode for even wear in distributorless ignition systems.
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Product Features:
- ACTUAL OE or EQUIVALENT DESIGN: OEM quality construction fine wire iridium alloy center electrode provides consistent performance
- IRIDIUM ALLOY CENTER ELECTRODE: Iridium’s density (6x that of platinum) and extremely high melting point is perfect for modern high efficiency engines
- PLATINUM TIP GROUND ELECTRODE: Unless OE specified, platinum protection at the ground electrode provides excellent ignitability and service life
- SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
- TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
- RECOMMENDED USAGE: Best for vehicles with OE fine wire iridium alloy plugs
Autolite – Double Platinum Spark Plug: Platinum Firing, Superior Durability, Longer Life (Part No.APP3923)
from
$6.79
With over 100 years of engineering expertise and over 11 billion plugs sold, Autolite delivers exceptional quality. Designed and engineered in the USA, these spark plugs feature platinum-to-platinum firing, virtually eliminating gap erosion and reducing misfires. The OE design and full-platinum tips on both the center and side electrodes ensure reduced gap wear, while the platinum ball welding process provides a consistent point of contact for enhanced adhesion. This results in optimized engine performance, longer life, and improved fuel economy. The gasket seat type further enhances the plug’s reliability and durability.
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Product Features:
- Works to optimize engine performance for a longer life and improved fuel economy
- OE design
- Full-platinum tips; platinum on both the center and side electrodes to promote reduced gap wear
- Platinum ball welding process provides a consistent point of contact for enhanced adhesion
- Gasket Seat Type: Equipped with a gasket seat type that enhances the spark plug’s reliability and durability.
- Proven Quality: Backed by over 100 years of engineering expertise and over 11 billion plugs sold, Autolite delivers exceptional quality and performance.
DENSO – Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, last 100K+ Miles, IK20TT (Part No.4702)
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$10.99
Durability of an OE style plug combined with Power & Torque of high performance.
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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 & Torque of high performance.
- Withstands temperatures greater than 4000┬░ Fahrenheit
- Iridium TT
- Ultimate Endurance and Power: The DENSO Iridium TT Spark Plug features a 0.7mm Iridium Tip, ensuring over 100,000 miles of uncompromised performance.
- Advanced Twin-Tip Technology: Developed from Original Equipment Specification Super Ignition Plug (SIP) design, combining a Fine Wire Iridium Center Electrode with a Needle Tip Platinum Ground Electrode.
- Enhanced Fuel Economy and Lower Emissions: Drive around the Earth over 4 times with improved fuel efficiency and reduced emissions.
- Premium Materials: Features an Iridium Center Electrode Tip and a Flat Seat Type for optimal performance and durability.
NGK – OE Series Standard Nickel Spark Plug: Semi-Surface Discharge Tip Design, BKUR6ET (Part No.7808)
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$4.49
NGK Standard spark plugs (in the iconic NGK ‘yellow box’ packaging) are a proven OE cornerstone and technology customers have relied on for decades. Engineered specifically for OE applications, NGK Standard spark plugs provide OE quality nickel alloy reliable performance and design. NGK’s legendary high grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance, while triple gasket sealing prevents combustion gas leakage. Solid 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges. Trivalent metal plating ensures superior anti-corrosion and anti-seizing properties.
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Product Features:
- ACTUAL OE or EQUIVALENT DESIGN: OEM quality construction nickel alloy center electrode provides consistent performance
- RECOMMENDED USAGE: Best for vehicles with OE nickel alloy plugs, not recommended on vehicles with factory precious metal plugs
- NGK’s OE CERAMIC TECHNOLOGY: High grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance
- SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
- COLD-ROLLED THREADS: Prevents cross-threading and damage to cylinder heads
- TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
DENSO – Platinum TT Spark Plug with Twin-Tip Design for Enhanced Ignition (Part No.4504)
from
$3.99
This spark plug features a platinum twin-tip design and a titanium-enhanced ground strap, ensuring superior performance and longevity. The center electrode tip is made from high-quality platinum, providing excellent conductivity and durability. Additionally, the flat seat type ensures a secure and precise fit, making it an ideal choice for enhancing your vehicle’s ignition system.
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Product Features:
- Platinum Twin-Tip Design: Features a platinum twin-tip design for enhanced ignition performance and efficiency.
- Titanium-Enhanced Ground Strap: Equipped with a titanium-enhanced ground strap, ensuring superior performance and longevity.
- High-Quality Platinum Center Electrode: The center electrode tip is made from high-quality platinum, providing excellent conductivity and durability.
- Superior Performance and Longevity: Designed to deliver superior performance and extended lifespan, making it a reliable choice for your vehicle’s ignition needs.
NGK – OE Series V-Power Nickel Spark Plug: V-Groove Tip Design, BKR6E (Part No.6962)
from
$4.99
NGK V-Power spark plugs offer reliable performance and improved ignitability over standard nickel plugs. Engineered specifically for OE applications, the special V-cut nickel alloy center electrode and concave ground electrode of NGK’s V-Power spark plug
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Product Features:
- ACTUAL OE or EQUIVALENT DESIGN: OEM quality construction nickel alloy center electrode with V-groove provides consistent performance
- RECOMMENDED USAGE: Best for vehicles with OE nickel alloy plugs, not recommended on vehicles with factory precious metal plugs
- NGK’s OE CERAMIC TECHNOLOGY: High grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance
- SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
- COLD-ROLLED THREADS: Prevents cross-threading and damage to cylinder heads
- TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
Autolite – Platinum Spark Plug: Fires Cleaner, Easier Starts, Quicker Acceleration (Part No.AP5325)
from
$4.79
With over 100 years of engineering expertise and over 11 billion plugs sold, Autolite Platinum spark plugs are designed and engineered in the USA to deliver exceptional performance. Featuring a high nickel alloy side electrode that maintains a precise gap and a full platinum tip that ensures virtually no gap erosion, these spark plugs offer long-lasting durability. The necked-down center electrode fires quicker and cleaner with less voltage, resulting in easier starts, quicker acceleration, and improved fuel economy compared to standard plugs.
Product Features:
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Product Features:
- High nickel alloy side electrode maintains precise gap
- Full platinum tip assures virtually no gap erosion for long life
- Necked-down center electrode fires quicker, cleaner with less voltage for easier starts, quicker acceleration and improved fuel economy (as compared to standard plugs)
- Improved Fuel Economy: Designed to enhance fuel efficiency compared to standard plugs.
- Engineered in the USA: Backed by over 100 years of engineering expertise and over 11 billion plugs sold.
ACDelco – Rapidfire Spark Plug (Part No.18)
from
$5.99
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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Product Features:
- Solid state suppressor, with two-piece glass and brass seal, can help reduce radio frequency interference, regulates spark energy for long electrode life, and helps protect against high combustion pressures
- Pure copper core provides great heat transfer and helps maximize plug durability
- Platinum on center electrode enables superior spark characteristics and can reduce voltage requirements of the ignition system
- Ribless insulator helps optimize plug to boot sea
- 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
Elring – Spark Plug Seal (Part No.A8027401479ELR)
from
$11.49
All-around safety and reliability: Elring oil seals are manufactured for a wide range of applications. Whether they are installed in camshafts, crankshafts or axles, the high-precision seals are guaranteed to offer outstanding performance. Elring oil seals are made from tailor-made elastomer compounds to ensure excellent functionality and a long service life. They are available in various sizes and are supplied with detailed installation instructions.
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Product Features:
- Premium-quality materials such as FPM, ACM and PTFE for superior operational reliability
- Various designs specifically adapted to the area of application ensure excellent functionality and performance
- High-performance FPM guarantees optimum leak tightness
Elring – Ignition Coil Mounti (Part No.F3008247423ELR)
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$4.80
Ignition Coil Mounti
Popular 1999 Audi A4 Spark Plugs Categories
1999 Audi A4 Spark Plugs
Maybe you’re in the middle of a full rebuild of that 1999 Audi A4. Maybe you just need a couple of Spark Plugs. Either way, Advance Auto Parts has 30 different Spark Plugs in our inventory ranging from $3.49 to $18.99. That means you can find the exact parts or products you need to keep that 1999 Audi A4 running smoothly.
Spark Plugs are only as good as their brand. We stock 8 different brands to make sure you have plenty of trusted parts to choose from for your 1999 Audi A4. Autolite, NGK, and DENSO are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!
We know you’ll find the perfect Spark Plugs for your 1999 Audi A4, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 2,740 reviews in this category, some of the top rated parts include DiamondFIRE Automotive Spark Plug: More Power, Saves Gas with 4.1 stars and Platinum TT Spark Plug with Twin-Tip Design for Enhanced Ignition with 4.6 stars.
So if you’re in the market for aftermarket Spark Plugs to keep your 1999 Audi A4 rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!
Spark Plugs Brands To Make Your 1999 Audi A4 Last
Simple repair, complete replacement, or a full rebuild. No matter the job, your 1999 Audi A4 demands trusted brand parts and products to keep it running. Many trusted brands of Spark Plugs make up Advance Auto Parts’ inventory, and all are ready to help make your A4 the best it can be. Be sure to browse some of our top Spark Plugs brands and parts.
Popular Bosch Spark Plugs
We carry Bosch parts in our stock across Spark Plugs categories, plus more. For a 1999 Audi A4, our most popular Bosch Spark Plugs include:
Top 1999 Audi A4 Spark Plugs from NGK
NGK products are another trusted brand when it comes to Spark Plugs for your 1999 Audi A4. Popular NGK parts include:
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$12.99
(155)
OE Series Laser Platinum Spark Plug: Semi-Surface Discharge Tip Design, BKR6EQUP
Spark Plugs
FAQs for 1999 Audi A4 Spark Plugs
What are the most purchased Spark Plugs for the 1999 Audi A4?
Out of 30 Spark Plugs for the 1999 Audi A4, the most popular in our inventory are:
from
$10.99
(153)
Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, last 100K+ Miles, IK20TT
Spark Plugs
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$9.99
(141)
Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition
Spark Plugs
from
$4.79
(149)
Platinum Spark Plug: Fires Cleaner, Easier Starts, Quicker Acceleration
Spark Plugs
What are the top-rated 1999 Audi A4 Spark Plugs?
Top-rated Spark Plugs for your 1999 Audi A4 based on customer reviews/ratings are:
from
$3.99
(105)
Platinum TT Spark Plug with Twin-Tip Design for Enhanced Ignition
“Very nice quality. Installed like factory. Ran great.”
