1993 Audi S4 Ignition and Tune-Up Products

Name: Ignition Coil
Brand: Delphi
SKU: GN10632
Price: 72.99 USD

Below you will find various in-demand Audi Ignition and Tune-Up Products, components and accessories for your 1993 S4. Advance Auto Parts has popular S4 parts like Ignition Switches, Ignition Sensors, Spark Plugs and more. You’ll also find aftermarket and OEM Ignition and Tune-Up Products for other S4 model years including 2013, 2014, 2015, 2016, 2018, 2019, 2020, 2021, 2022 and more. Select a category of 1993 Audi S4 Ignition and Tune-Up Products below and start saving instantly.

Popular 1993 Audi S4 Ignition and Tune-Up Products Categories

Ignition Module and Controls

Ignition Starter Switches

Spark Plug Non-Foulers

Spark Plug Sets

Essential Ignition and Tune-Up Products for 1993 Audi S4s

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$72.99

Delphi OE technology ignition products are validated to match the vehicles system; OE quality replacement parts for the right fit , form and function; Delphi coils provide OE performance, durability and electromagnetic capacity level requirements.

Product Features:

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
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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$49.49

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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$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

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$26.99

NGK Coil on Plug Boots are built to stringent OEM tolerances, combining original equipment fit, design and outstanding durability. NGK Coil on Plug Boots are manufactured using only premium silicone and always include any required internal springs and ferrite resistors for superior performance and RFI noise suppression. Bridging the important link between ignition coil and spark plug, COP boots should always be replaced with NGK Coil on Plug Boots at the time as changing spark plugs to prevent ignition problems such as flashover.

Product Features:

PREMIUM GRADE SILICONE: Designed to withstand harsh environments
OEM MATCHED: Includes all required internal springs and ferrite resistors for superior performance and RFI noise suppression

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$128.99

CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

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$26.99

Beck/Arnley parts meet foreign nameplate OE specifications for form, fit and function. Our product specialists work with a network of global sourcing partners so you can install the right part with confidence.

Product Features:

Matches OE form, fit and function
Switch only – does not include steering lock
Premium materials that include corrosion resistant contacts
Made to fit OE wiring harness and ignition cylinder
Application specific for this vehicle

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$41.39

Choosing from the comprehensive VIEROL product range means opting for outstanding quality. This is confirmed by the Q+ quality seal for parts in OEM quality MADE IN GERMANY. VIEROL AG is a leading automotive parts distributor located in Oldenburg, Germany. With the trademarks VAICO and VEMO are the service market leaders in more than 125 countries worldwide. As an internationally present automotive supplier, VIEROL AG specializes in electronic and electrical components for German and European vehicles. VIEROL AG quality brands VEMO and VAICO combine innovation and experience, technical expertise and practiced corporate values, commitment to precision and a passion for technology: the invisible, but unquestionable, optimal prerequisites for guaranteed product quality and globally recognized service. Choosing from the comprehensive VIEROL product range means opting for outstanding quality.

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$76.05

The VEMO OE quality knock sensor is engineered to the exact specifications of the vehicle manufacturer to ensure the replacement sensor is the same in quality and function as the part installed as first equipment.

Product Features:

OEM quality direct fit application
Ground-isolated design with two-wire shielded harness helps protect the sensor signal from electro-magnetic interference (EMI)
Mounting hole is the same size as OE
Maintains OE specifications for frequency response

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$59.88

Bosch Knock Sensors are highly accurate and sensitive to detect engine knock, ensuring efficient performance and long life of your vehicle.

Product Features:

High Precision Even under Extreme Conditions
Improved efficiency and prolonged engine life
Linear signal over large frequency range

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$132.19

OEM quality direct fit application
Ground-isolated design with two-wire shielded harness helps protect the sensor signal from electro-magnetic interference (EMI)
Mounting hole is the same size as OE
Maintains OE specifications for frequency response

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$12.77

The NGK G Power platinum tip spark plug provides improved fuel efficiency, lower emissions and quicker reliable starts. The fine platinum tip reduces the voltage requirements and is extremely durable under high heat combustion. Improved Fuel Efficiency, Lower Emissions, Quicker Starts.

Product Features:

Fine Wire Platinum Tipped Center Electrode Reduces Required Voltage for Better Starts, Superior Acceleration and Increased Fuel Economy
Trapezoid Cut Ground Electrode Reduces Quenching
Trivalent Metal Plating Provides Superior Anti-Corrosion and Anti-Seizing Properties
Corrugated Ribs Prevent Flashover
Pure Alumina Silicate Ceramic Insulator, Provides Superior Strength and Better Heat Transfer
Copper Core Aids in Heat Removal
Triple Seals Prevent Leakage

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$3.53

Denso Spark Plug Denso’s standard plugs have always offered a patented U-groove ground electrode producing for a larger, hotter spark. Copper core for better thermal conductivity. Machine rolled threads to reduce cross-threading and seizing . The plug insulator is constructed of purified alumina powder for extreme stress with 5 ribs to prevent flashover.

Product Features:

U-Groove Ground Electrode Promotes Ignitability and Decreases Quenching
Fully Projected Insulator Reduces Carbon Fouling
Machine Rolled Threads Prevent Seizing or Cross Threading During Installation and Removal
100% Pre-Fired to Assure the Highest Quality Possible
Purified Alumina Powder Insulator Provides Exceptional Strength and Thermal Conductivity
Five Rib Insulator Prevents Flashover
Copper-Glass Seal Bonds Center Electrode and Insulator for a Gas-Tight Seal

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$9.99

This spark plug non fouler is designed for easy installation on specified vehicles to protect spark plugs from fouling and damage. It is engineered for durability and reliable performance.

Product Features:

Direct replacement – this spark plug non fouler is designed for easy installation to protect spark plugs from fouling and damage on specified vehicles.
Ideal solution – this non-fouler preserves spark plug life and is a reliable replacement for an original non-fouler that has failed due to corrosion
Durable construction – made from quality components to ensure reliable performance and a long service life
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

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$12.99

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.

Product Features:

ACTUAL OE or EQUIVALENT DESIGN: OEM quality construction fine wire platinum alloy center electrode provides consistent performance
PLATINUM ALLOY CENTER ELECTRODE: Longer wearing and higher temperature resistance compared to traditional nickel spark plugs
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 platinum alloy multi-ground electrode plugs
High Ignitability and Longer Service Life: NGK Laser Platinum spark plugs offer superior ignitability and extended service life compared to conventional nickel spark plugs.
Engineered for OE Applications: Specifically designed for Original Equipment (OE) applications, ensuring a perfect fit and optimal performance.
Enhanced Fuel Efficiency and Lower Emissions: These spark plugs contribute to improved fuel efficiency and reduced emissions, making them an eco-friendly choice.
Superior Anti-Fouling and Stable Idling: The advanced design provides stable idling and superior resistance to fouling, ensuring consistent engine performance.

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$11.99

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.

Product Features:

SINGLE IRIDIUM TIP: Fine wire 0.6 millimeter iridium tip center electrode ensures high durability and a consistently stable spark
IRIDIUM ALLOY CENTER ELECTRODE: Iridium’s density (6x that of platinum) and extremely high melting point is perfect for modern high efficiency engines
TAPERED CUT GROUND ELECTRODE: Reduced quenching design produces outstanding ignitability, improved acceleration, fuel efficiency and durability
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: Modified or high performance applications, or as an upgrade to OE nickel alloy spark plugs

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$4.99

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.

Product Features:

GM regularly updates production and service part designs to integrate new materials and technologies
High-Quality Copper Core: Designed with high-quality copper cores for reliable performance and efficient operation.
Nickel Center Electrode Tip: Features a nickel center electrode tip for enhanced durability and consistent performance.
OE Replacement: These spark plugs are true OE parts, originally installed or validated by General Motors for GM vehicles.
Outstanding Suppression Characteristics: Engineered to deliver outstanding suppression characteristics, ensuring smooth and efficient engine performance.
Versatile Applications: Providing a high-quality replacement for a wide range of vehicles.

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$11.49

Champion Double Platinum Power spark plugs deliver more powerful performance. Featuring exclusive Heat-Active alloy, platinum fine wire center electrode and platinum pad ground electrode provide maximum life and sharper spark focus.

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

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$15.31

DENSO Iridium Power spark plugs represent a performance breakthrough. The laser-welded center electrode is only 0.4mm in diameter – the slimmest iridium electrode in the industry. The taper-cut side electrode complements the design, delivering reliable spark energy under the most gruelling pressures and temperatures. DENSO engineers used the power of this miraculous metal to produce an iridium center electrode that is only 0.4mm in diameter. With its superior thermal qualities, this whisker-fine electrode is capable of taking the most extreme heat and punishment. This breakthrough was matched to one of DENSO’s most famous innovations, the patented U-Groove ground electrode. The combination of these two features resulted in the Iridium Power® plug, one of the most advanced and innovative spark plugs on the market.

Product Features:

Tapered cut, U-Groove ground electrode
0.4mm iridium center electrode
360-degree laser welding assembly process
Required ignition voltage reduced
Unsurpassed center electrode durability
Available for many performance and power sports applications, including Corvette, Viper, and Harley-Davidson The Iridium Power plug delivers greater spark energy while demanding significantly less secondary required voltage from the ignition system.

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$12.49

CARQUEST Premium coil on plug boots are engineered to restore ignition boot reliability and performance. We have OE design providing an exact direct fit for your application and the performance and durability meet or exceed OE requirements. It offers excellent heat resistance as well as maximum protection against spark loss. With durable silicone compound for resistance to high heat or abrasion.

Product Features:

Provides excellent heat resistance as well as maximum protection against spark loss.
Durable silicone compound for resistance to high heat or abrasion
Spring included with the coil boot
Design for direct compatibility
OE design provides an exact fit for your application
Multipack provides one time replace all COP for better deal

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$10.98

Prenco Spark Plug Connectors are constructed in our Canadian facility using only premium quality components. All connectors are designed and constructed to match OE fitment and performance. Complete import/domestic coverage, OE quality, OE performance, and OE reliability.

Product Features:

OE-Equivalent and a direct fit application
High profile insulation to prevent arching.
Engineered to withstand extremes in temperatures

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$70.93

BERU ignition module for modern transistor ignition systems with hall sensor or inductive sensor.

Product Features:

Well tried and tested OEM quality
Connections and housing corrosion protected
High thermal resistance and thus functional reliability
Depending on the version, also with cooling plate or thermally conductive paste included

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$221.99

Carquest premium engine management products provide the right ignition control module for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions. Designed to meet OE quality and performance standards using top-quality components, our sensors are the best choice for your maintenance and repair needs.

Product Features:

Thicker, more robust wire bonds for lasting reliability
Proprietary, application-specific integrated chips for proper performance
Fast-start circuitry for quick starts
Ultrasonically welded copper heat sinks to ensure heat transfer for long life
Laser trimming to precise specifications for OE function

Upgrade your 1993 Audi S4 with Top-Quality Ignition and Tune-Up Products

When it comes to maintaining or upgrading your 1993 Audi S4, 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 S4 functioning at its best. At Advance Auto Parts, we offer a wide selection of 29 Ignition and Tune-Up Products for the 1993 Audi S4, designed to meet your needs without breaking the bank. From Ignition Switch replacements to Ignition Sensors upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.

Affordable Prices and Wide Selection

Shopping for 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 1993 Audi S4 at great prices. Our Ignition and Tune-Up Products inventory for this model ranges from just $3.49 to $221.99, with an average price of $36.44. Our 29 Ignition and Tune-Up Products in stock come from 11 trusted brands, so you’re sure to find the right part for your 1993 Audi S4 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 1993 Audi S4, we stock popular OEM and aftermarket Ignition and Tune-Up Products from top names like DENSO, NGK, Autolite, and more. DENSO Ignition and Tune-Up Products start at just $3.53 and boast an impressive 5 stars average rating from customers. NGK and Autolite also bring quality to the table, with Ignition and Tune-Up Products available starting at $4.29, and at an average 5 stars rating. With 800 customer reviews and counting, our 1993 Audi S4 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 1993 Audi S4 is always ready to roll. We’re committed to providing you with everything you need to keep your S4 in top shape, all in one place. Start shopping confidently below for your 1993 Audi S4!

Best-Selling Ignition Switches for 1993 Audi S4s

Enhance the driving experience in your Audi with 2 quality Ignition Switch components, starting at $29.89.

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$29.89

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$50.99

Top Picks for 1993 Audi S4 Spark Plugs

Upgrade Audi S4s with top-quality Spark Plugs parts, including 19 OEM and aftermarket selections for your 1993 model.

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$4.49

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 increases ignitability providing quicker starts and smoother idle. NGK’s legendary high grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance. Trivalent metal plating ensures superior anti-corrosion and anti-seizing properties.

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
Enhanced Ignitability: The V-cut nickel alloy center electrode and concave ground electrode design of NGK V-Power spark plugs provide quicker starts and smoother idle.
OE Application Specific: Engineered specifically for Original Equipment (OE) applications, ensuring compatibility and reliable performance.
V-Groove Tip Design: The unique V-groove tip design of the BKR7E model enhances ignitability and overall engine performance.

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$11.79

Increased performance with World’s smallest Iridium Center Eletrode (0.4mm).

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° 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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$5.49

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.

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

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$9.79

Manufactured to the strictest OE performance, durability and emissions standards.

Product Features:

OE grade platinum on both center and ground electrodes
Premium shell construction with machine-rolled threads
Superior thermal conductivity
Sustained spark performance over 60,000 miles
Reduced secondary required voltage, increased ignition efficiency
Satisfied customers, reduced shop comebacks
Double Platinum

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$16.49

Manufactured to the strictest OE performance, durability and emissions standards.

Product Features:

Latest OE technology with DENSO’s patented Iridium Alloy (90% Ir) and fine wire center electrode
Platinum ground electrode for extended life
DENSO Patented 360 degree laser welding process: Ensuring exceptional quality bond and structural strength with the Iridium Center Electrode
Sustained spark performance over 100,000 miles
Lasts up to three times as long as conventional plugs
Endures extreme temperatures greater than 4,000 degrees F associated with high-performance ignition and special fuel systems
Iridium Long Life

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$10.99

Durability of an OE style plug combined with Power & Torque of high performance.

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.

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$11.99

SINGLE IRIDIUM TIP: Fine wire 0.6 millimeter iridium tip center electrode ensures high durability and a consistently stable spark
IRIDIUM ALLOY CENTER ELECTRODE: Iridium’s density (6x that of platinum) and extremely high melting point is perfect for modern high efficiency engines
TAPERED CUT GROUND ELECTRODE: Reduced quenching design produces outstanding ignitability, improved acceleration, fuel efficiency and durability
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: Modified or high performance applications, or as an upgrade to OE nickel alloy spark plugs

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$4.29

Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Guaranteed to deliver quick starts, good fuel economy and smooth acceleration, Autolite Copper Core spark plugs are designed to meet or exceed OES design requirements. Consider upgrading to Autolite Platinum, Double Platinum or Iridium XP plugs for improved engine performance. Copper core plugs are the industry standard.

Product Features:

Copper-glass seal bonds insulator, terminal post center electrode together; assures full required voltage at spark gap; gas-tight seal (100% leak proof)
Multi-rib insulator reduces danger of “flash-over”
One-piece terminal post adds strength
Resistor reduces radio frequency interference (RFI) and electrode erosion

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$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.

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.

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$9.99

Our best spark plug! 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

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$9.99

Direct replacement – this spark plug non fouler is designed for easy installation to protect spark plugs from fouling and damage on specified vehicles.
Ideal solution – this non-fouler preserves spark plug life and is a reliable replacement for an original non-fouler that has failed due to corrosion
Durable construction – made from quality components to ensure reliable performance and a long service life
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

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$4.99

GM regularly updates production and service part designs to integrate new materials and technologies
High-Quality Copper Core: Designed with high-quality copper cores for reliable performance and efficient operation.
Nickel Center Electrode Tip: Features a nickel center electrode tip for enhanced durability and consistent performance.
OE Replacement: These spark plugs are true OE parts, originally installed or validated by General Motors for GM vehicles.
Outstanding Suppression Characteristics: Engineered to deliver outstanding suppression characteristics, ensuring smooth and efficient engine performance.
Versatile Applications: Providing a high-quality replacement for a wide range of vehicles.

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$4.79

Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, Autolite Platinum spark plugs provide a center wire platinum firing tip which provides reduced gap erosion, fewer misfires, better performance and increased durability. Consider upgrading to Autolite Double Platinum or Iridium XP spark plugs for increased performance.

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)

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$10.99

Autolite Iridium Ultra Laser Finewire 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.

Product Features:

Autolite Iridium Ultra is an engineered OE replacement iridium spark plug.
A laser-welded 0.5mm pure iridium finewire center electrode provides optimal fuel efficiency, acceleration and focused ignitability.
Nickel-plated shell to resist corrosion.
High-alumina ceramic insulator for increased strength.
Laser welded 0.5mm Iridium finewire center electrode.
Proprietary platinum sidewire technology.
Superior Durability: Autolite Iridium Ultra Laser Finewire Spark Plugs are designed to last longer, providing extended service life compared to standard spark plugs.
OE Fit and Function: Autolite Spark Plugs are the best alternative to original equipment (OE) spark plugs, offering perfect fit, form, and function for all foreign and domestic makes and models.
High-Quality Construction: As a leading supplier of spark plugs globally, Autolite ensures the highest quality ignition products for both the automotive aftermarket and original equipment manufacturers.
Value Pricing: Despite their advanced technology and superior performance, Autolite Iridium Ultra Laser Finewire Spark Plugs are available at a value price, making them an economical choice for vehicle maintenance.

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$3.49

This Champion spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear. Built to ISO and SAE standards, it offers dependable performance and durability. The OE type replacement plug resists fouling and boasts superior corrosion resistance. The copper core center electrode allows for accurate control of heat range for longer life, while the nickel center electrode tip material ensures consistent performance. With a flat seat type and resistor type, this spark plug is designed for proven performance in small engines.

Product Features:

Copper Plus – Dependable Performance and Durability
OE type replacement plug
Resists fouling
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
Consistent Performance: Equipped with a nickel center electrode tip material and a flat seat type, this spark plug ensures consistent performance in small engines.

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$17.49

ACTUAL OE or EQUIVALENT DESIGN: OEM quality construction fine wire platinum alloy center electrode provides consistent performance
PLATINUM ALLOY CENTER ELECTRODE: Longer wearing and higher temperature resistance compared to traditional nickel spark plugs
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 platinum alloy plugs

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$13.39

Tapered cut, U-Groove ground electrode
0.4mm iridium center electrode
360-degree laser welding assembly process
Required ignition voltage reduced
Unsurpassed center electrode durability
Available for many performance and power sports applications, including Corvette, Viper, and Harley-Davidson The Iridium Power plug delivers greater spark energy while demanding significantly less secondary required voltage from the ignition system.

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$11.49

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

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$3.53

U-Groove Ground Electrode Promotes Ignitability and Decreases Quenching
Fully Projected Insulator Reduces Carbon Fouling
Machine Rolled Threads Prevent Seizing or Cross Threading During Installation and Removal
100% Pre-Fired to Assure the Highest Quality Possible
Purified Alumina Powder Insulator Provides Exceptional Strength and Thermal Conductivity
Five Rib Insulator Prevents Flashover
Copper-Glass Seal Bonds Center Electrode and Insulator for a Gas-Tight Seal

In-Demand Ignition Boots for 1993 Audi S4s

Select from 1 premium Ignition Boots parts for your 1993 Audi S4.

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$10.98

OE-Equivalent and a direct fit application
High profile insulation to prevent arching.
Engineered to withstand extremes in temperatures

Most Sold 1993 Audi S4 Ignition Coils and Boots

Explore our best-selling Audi parts for the 1993 S4 among 3 OEM and aftermarket options starting from $26.99.

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$151.13

BERU ignition coils are developed vehicle-specific according to OEM requirements with or without built-in electronic modules and are manufactured using the latest computer-controlled technology.

Product Features:

High-precision ignition component
Meets or exceeds the OE specifications for durability and performance
Extremely temperature resistant
Radio-Frequency Interference (RFI) Suppression
Rational computer-controlled manufacturing techniques
High-tech quality based on zero-defect program
With or without electronics module depending on the vehicle type

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$146.99

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:

Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the part design process ensures speed-to-market and a precise fit guaranteed.
100% pure copper precision-wound windings increase coil life and ensure reliability and maximum coil output when needed.
Highly conductive aluminum alloy secondary terminal guarantees secondary coil terminals will not oxidize (rust), will provide excellent conductivity, extended coil life and will not cause excessive stress on the primary control circuit.
100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
100% end-of-line tested to ensure confidence and product reliability, every time.

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$26.99

PREMIUM GRADE SILICONE: Designed to withstand harsh environments
OEM MATCHED: Includes all required internal springs and ferrite resistors for superior performance and RFI noise suppression

Top-Rated Ignition and Tune-Up Products Brands For Your 1993 Audi S4

Shop for the best-rated brands offering Ignition and Tune-Up Products and other products for your 1993 Audi S4s. Below you’ll find some of our best rated Ignition and Tune-Up Products from DENSO, NGK, and Autolite, and more. Ignition and Tune-Up Products from these brands that fit a 1993 S4 start at just $3.53 and are rated as high as 5 stars. OEM and aftermarket Ignition and Tune-Up Products don’t get more top quality, durable, and affordable than from the brands below.

Popular DENSO 1993 Audi S4 Ignition and Tune-Up Products

When it comes to maintaining or upgrading your 1993 Audi S4, using quality Ignition and Tune-Up Products is essential to ensure durability and a perfect fit. DENSO ticks all of those boxes. We offer a wide selection of DENSO Ignition and Tune-Up Products, specifically designed for the 1993 Audi S4. With over 7 DENSO 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 $3.53, with an average price of just $10.00. Plus, with over 318 customer reviews and an average rating of 5 stars, you can trust that our DENSO 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.

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$13.39

This product is not rated

Iridium Power Spark Plug

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$11.79

(55)

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

“Good”

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$3.53

This product is not rated

Standard U-Groove Spark Plug

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Popular NGK 1993 Audi S4 Ignition and Tune-Up Products

NGK auto parts is one of the highest quality Ignition and Tune-Up Product brands in the market. Any 1993 Audi S4 owner should feel confident when installing genuine NGK parts in their vehicle. To ensure the best fit and performance for your 1993 S4, Advance Auto Parts carries a full inventory of 4 NGK Ignition and Tune-Up Products. Plus you will be keeping your Audi in peak condition while saving money because prices on these NGK Ignition and Tune-Up Products range from $4.49 to $26.99, plus, with more than 51 customer reviews and an impressive 5 stars average rating, you can be confident the Fram Ignition and Tune-Up Products below will deliver on both quality and value.

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$26.99

This product is not rated

Coil on Plug Boot

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$4.49

(31)

OE Series V-Power Nickel Spark Plug: V-Groove Tip Design, BKR7E

“I ordered and paid for these plugs online, 20 mins later I drove 1.5 mi. to my local store , I showed the person at the counter my ID, they handed me”

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$17.49

This product is not rated

OE Series Laser Platinum Spark Plug: Fine Wire Tip Design, PFR7B

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FAQs for 1993 Audi S4 Ignition and Tune-Up Products

Which Ignition and Tune-Up Products are best-sellers for 1993 Audi S4s?

Out of 29 Ignition and Tune-Up Products that fit 1993 Audi S4s, the following parts are the top sellers:

OE Series V-Power Nickel Spark Plug: V-Groove Tip Design, BKR7E (20650571) – $4.49
Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition (10500909) – $9.99
Copper Core Spark Plug: Original Equipment Replacement (11400001) – $4.99

What’s the price range for 1993 Audi S4 Ignition and Tune-Up Products?

Ignition and Tune-Up Product prices for the 1993 Audi S4 start at $3.49 and go up to $221.99 for the most premium parts.

What’s the average price of a Ignition and Tune-Up Product for a 1993 Audi S4?

The average price for Ignition and Tune-Up Products for the 1993 Audi S4 is $36.44. 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 S4 model years?

Yes, we currently carry Ignition and Tune-Up Products for 25 model years of Audi S4s between 1992 and 2024. Ignition and Tune-Up Products are bought most frequently for the following model years: 2022, 2021, 2020, 2019, 2018, 2016, 2015, 2014, and 2013.

What are the cheapest Ignition and Tune-Up Products for my 1993 Audi S4?

The cheapest 1993 Audi S4 Ignition and Tune-Up Products we carry in stock are:

Copper Plus Small Engine Spark Plug Dependable Performance OE Replacement RC7YC3 (11438798) – $3.49
Standard U-Groove Spark Plug (10745985) – $3.53
Platinum TT Spark Plug with Twin-Tip Design for Enhanced Ignition (11010036) – $3.99
Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration (5532027) – $4.29
OE Series V-Power Nickel Spark Plug: V-Groove Tip Design, BKR7E (20650571) – $4.49

What are the top-rated Ignition and Tune-Up Products that fit the 1993 Audi S4?

Out of 800 reviews by customers, our 1993 Audi S4 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 1993 Audi S4 and their top-rated products:

Spark Plugs
- Double Platinum Spark Plug: OE Performance, lasts 60K+ Miles, PK20PR-P8 (20650274) – $9.79
- OE Series V-Power Nickel Spark Plug: V-Groove Tip Design, BKR7E (20650571) – $4.49
- Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IK20 (20650553) – $11.79

What types of Ignition and Tune-Up Products do you sell for my 1993 Audi S4?

As of 2/5/25, these are some of the most in-demand types of Ignition and Tune-Up Products for a 1993 Audi S4:

Can I get help with 1993 Audi S4 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 S4 Ignition and Tune-Up Products?

Advance Auto Parts keeps returns simple. For new Audi S4 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.

1993 Audi S4 Ignition and Tune-Up Products

Delphi – Ignition Coil (Part No.GN10632)

Delphi – Ignition Coil (Part No.GN10446)

Delphi – IGNITION COIL (Part No.GN10326)

NGK – Coil on Plug Boot (Part No.58928)

Carquest Premium – Ignition Switch (Part No.CSC3574)

Beck/Arnley – Ignition Switch (Part No.201-1790)

Vemo – Ignition Switch (Part No.M5050115228VMO)

Vemo – Knock Sensor (Part No.F6020463501VMO)

Bosch – Bosch Knock Sensor (Part No.F6020435705BOS)

Vemo – Knock Sensor (Part No.F6020487844VMO)

NGK – G-Power Spark Plug (Part No.F100098075NGK)

DENSO – Standard U-Groove Spark Plug (Part No.F100032280ND)

Dorman – Help – Spark Plug Non-Foulers – 14mm Gasket Seat Long Reach (Part No.42004)

NGK – OE Series Laser Platinum Spark Plug: Semi-Surface Discharge Tip Design, BKR6EQUP (Part No.3199)

NGK – Iridium IX Spark Plug: Single Iridium Fine Wire, BKR7EIX (Part No.2667)

ACDelco – Copper Core Spark Plug: Original Equipment Replacement (Part No.41-602)

Champion – Double Platinum & Power Spark Plug Exceptional Perf OE Replacement RC8PYPB4 (Part No.7545)

DENSO – Iridium Power Spark Plug (Part No.F100089228ND)

Carquest Premium – Coil On Plug Insulator Boot: Spring included, Designed for direct fit (Part No.35-7021)

Prenco – Prenco Spark Plug Connector (Part No.F101056457PRN)

Beru – Beru Ignition Control Unit (Part No.F6000160728BER)

Carquest Premium – Ignition Control Module (Part No.CBC1389)

Vemo – Ignition Switch (Part No.M505063421VMO)

Carquest Premium – Ignition Switch (Part No.CSA1854)

Bosch – Knock Sensor (Part No.F602013723BOS)

NGK – OE Series V-Power Nickel Spark Plug: V-Groove Tip Design, BKR7E (Part No.4644)

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

Autolite – Double Platinum Spark Plug: Platinum Firing, Superior Durability, Longer Life (Part No.APP3922)

DENSO – Double Platinum Spark Plug: OE Performance, lasts 60K+ Miles, PK20PR-P8 (Part No.3245)

DENSO – Iridium Long-Life Spark Plug: OE Performance, last 100K+ Miles, SK20PR-A8 (Part No.3403)

DENSO – Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, IK20TT (Part No.4702)

NGK – Iridium IX Spark Plug: Single Iridium Fine Wire, BKR7EIX (Part No.2667)

Autolite – Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration (Part No.3922)

DENSO – Platinum TT Spark Plug with Twin-Tip Design for Enhanced Ignition (Part No.4504)

Autolite Iridium – Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition (Part No.XP3922)

Dorman – Help – Spark Plug Non-Foulers – 14mm Gasket Seat Long Reach (Part No.42004)

ACDelco – Copper Core Spark Plug: Original Equipment Replacement (Part No.41-602)

Autolite – Platinum Spark Plug: Fires Cleaner, Easier Starts, Quicker Acceleration (Part No.AP3922)

Autolite Iridium – Iridium Ultra Finewire Spark Plug: Optimal Performance, Durability, Ignitability (Part No.AI3922)

Champion – Copper Plus Small Engine Spark Plug Dependable Performance OE Replacement RC7YC3 (Part No.444)

NGK – OE Series Laser Platinum Spark Plug: Fine Wire Tip Design, PFR7B (Part No.4853)

DENSO – Iridium Power Spark Plug (Part No.F100087614ND)

Champion – Double Platinum & Power Spark Plug Exceptional Perf OE Replacement RC8PYPB4 (Part No.7545)

DENSO – Standard U-Groove Spark Plug (Part No.F100032280ND)

Prenco – Prenco Spark Plug Connector (Part No.F101056457PRN)

Beru – Direct Ignition Coil – (Coil on Plug) (Part No.F300556456BER)

Carquest Premium – Ignition Coil: Meets or Exceeds Original Equipment Specifications, 1 Piece (Part No.EBE1705)

NGK – Coil on Plug Boot (Part No.58928)