1979 Excalibur Phaeton Ignition and Tune-Up Products

Name: Standard Spark Plug: Enhances Durability & Reduces Fuel Consumption
Brand: Motorcraft
SKU: SP-425-A
Price: 4.49 USD

Below you will find various in-demand Excalibur Ignition and Tune-Up Products, components and accessories for your 1979 Phaeton. Advance Auto Parts has popular Phaeton parts like Spark Plugs, Ignition Wires, Distributors and more. You’ll also find aftermarket and OEM Ignition and Tune-Up Products for other Phaeton model years including 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989 and more. Select a category of 1979 Excalibur Phaeton Ignition and Tune-Up Products below and start saving instantly.

Popular 1979 Excalibur Phaeton Ignition and Tune-Up Products Categories

Spark Plugs

Optional Spark Plug Wires

Distributor Mount Gaskets

Essential Ignition and Tune-Up Products for 1979 Excalibur Phaetons

from

$4.49

Motorcraft Spark Plugs are original equipment on Ford Motor Company vehicles, engineered to meet strict Ford engineering standards for optimal performance and reliability. These spark plugs are matched to specific engines to provide enhanced durability, eliminate misfires, reduce fuel consumption, and optimize emissions. They are resistant to oxidation and arc erosion, feature a multi-rib insulator to protect against misfire, and offer service intervals of up to 100,000 miles. Designed with high-quality materials, Motorcraft Spark Plugs ensure reliable performance for almost any application and are backed by Motorcraft’s Service Parts Warranty. They are an exact fit for Ford, Lincoln, and Mercury vehicles and help prevent false check engine lights, delivering the same performance and reliability as the original components installed during manufacturing.

Product Features:

Motorcraft spark plugs are matched to specific engines to provide enhanced durability, eliminate misfires, reduce fuel consumption and optimize emissions.
Backed by Motorcraft’s Service Parts Warranty
Exact fit for Ford, Lincoln and Mercury vehicles
Resistant to oxidation and arc erosion.
Multi-rib insulator protects against misfire.
Service intervals of up to 100,000 miles.
Motorcraft Spark Plugs are designed with high quality materials to provide reliable performance for almost any application.
Motorcraft Spark Plugs are what was in the vehicle when it was manufactured
Motorcraft ignition components help prevent false check engine lights.
Enhanced Durability: Engineered to meet strict Ford engineering standards, these spark plugs are designed to provide long-lasting performance and withstand harsh conditions.
Reduces Fuel Consumption: Specifically matched to engines to optimize fuel efficiency, helping you save on fuel costs.

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$16.99

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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$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 pressure 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 designed to deliver consistent ignition and efficiency. Both the center and ground electrode tips are crafted from platinum, ensuring robust functionality and lasting value for your engine.

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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$4.49

The Copper Plus Spark Plug (RJ12YC) is engineered for dependable performance and durability, making it a reliable choice for maintaining your engine’s efficiency. Featuring a copper core center electrode, it ensures precise heat control and conductivity, promoting longer life and consistent engine performance. Its nickel-tipped center and ground electrodes enhance wear resistance, while the flat seat design ensures a secure fit. Built to ISO and SAE Standards, this spark plug delivers proven performance and superior corrosion resistance, making it an ideal OE replacement. The Copper Plus design guarantees durability, extending the lifespan of the spark plug and providing excellent value for your investment. Whether you’re seeking reliable ignition or long-lasting performance, this spark plug is designed to meet your needs with quality and precision.

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
Dependable Performance: The Champion Copper Plus Spark Plug ensures reliable and consistent engine performance, making it an ideal OE replacement.
Durable Design: The Copper Plus design guarantees durability and long-lasting performance, extending the life of the spark plug.

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$8.49

The Premium DiamondFire Automotive Spark Plug is engineered to deliver exceptional 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 center and ground electrode tips, this spark plug is built to last. Its gasket seat type ensures a secure fit, and the pre-gapped design eliminates the need for adjustments, making installation hassle-free. With its advanced technology, this spark plug not only boosts engine performance but also contributes to a cleaner, more efficient combustion process.

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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$6.29

ACDelco Professional 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.

Product Features:

Black Onyx coating helps reduce corrosion
Copper core provides great heat transfer and helps maximize plug durability
Ribbed suppressor seal extends resistance and helps prevent spark ‘flash over’ and misfires
Nickel-chrome alloy sheathing helps prevent corrosion on center electrode
Available for use in Marine applications
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

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 XR5 model enhances ignitability and overall engine performance.

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$12.99

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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$5.99

The spark plug is designed to deliver reliable ignition performance with its standard center electrode design, ensuring consistent and efficient combustion in your engine. Crafted with nickel for both the center and ground electrode tips, this spark plug offers excellent durability and resistance to wear, making it a dependable choice for long-term use. Its tapered seat type ensures a secure fit, enhancing the overall performance and compatibility with a wide range of vehicles. Built to withstand demanding conditions, this spark plug provides exceptional value by optimizing engine efficiency and contributing to smoother operation.

Product Features:

Designed with a standard center electrode to ensure consistent and efficient combustion for reliable engine performance.
Nickel construction on both the center and ground electrode tips enhances durability and resistance to wear, ensuring long-lasting functionality.
Tapered seat type provides a secure fit, improving compatibility and overall engine performance.
Built to withstand demanding conditions, optimizing engine efficiency and contributing to smoother operation.

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$3.29

Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:

Fel-Pro Oil Pan SnapUps 8mm bolts
Designed to hold up the pan and gasket, for one person installation
Engine$aver Hardware
Unsurpassed quality you can trust
Sold in sets of four and are reusable

from

$90.99

Most modern electronic ignition systems require suppression style wires to preserve sensitive components. Flame-Thrower 8mm Custom fit MAGx2 wires provide enhanced RFI suppression and dual current paths for more power delivered to the spark plug. Our custom wire sets have factory terminated ends for a superior connection and perfect fit, without cutting, crimping and splicing.

Product Features:

Two current paths for reliability and redundancy. -Primary path: Spiral wound stainless steel alloy.-Secondary path: Carbon impregnated fiberglass center core.
Low 500 ohm per foot resistance.
8mm Silicone jacket to resist high temperatures, moisture, oil and chemicals.
EPDM (Ethylene Propylene Diene Methylene) inner insulation for superior heat resistance and prevention of arcing and voltage leaks.
Fiberglass reinforcing braid for added strength and flexibility.

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$88.99

Two current paths for reliability and redundancy. -Primary path: Spiral wound stainless steel alloy.-Secondary path: Carbon impregnated fiberglass center core.
Low 500 ohm per foot resistance.
8mm Silicone jacket to resist high temperatures, moisture, oil and chemicals.
EPDM (Ethylene Propylene Diene Methylene) inner insulation for superior heat resistance and prevention of arcing and voltage leaks.
Fiberglass reinforcing braid for added strength and flexibility.

Upgrade your 1979 Excalibur Phaeton with Top-Quality Ignition and Tune-Up Products

When it comes to maintaining or upgrading your 1979 Excalibur Phaeton, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Excalibur or enhancing its overall performance, Ignition and Tune-Up Products are key to keeping your Phaeton functioning at its best. At Advance Auto Parts, we offer a wide selection of 17 Ignition and Tune-Up Products for the 1979 Excalibur Phaeton, designed to meet your needs without breaking the bank. From Spark Plug replacements to Ignition Wires 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 1979 Excalibur Phaeton at great prices. Our Ignition and Tune-Up Products inventory for this model ranges from just $2.79 to $90.99, with an average price of $16.30. Our 17 Ignition and Tune-Up Products in stock come from 8 trusted brands, so you’re sure to find the right part for your 1979 Excalibur Phaeton 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 1979 Excalibur Phaeton, we stock popular OEM and aftermarket Ignition and Tune-Up Products from top names like NGK, ACDelco, Autolite, and more. NGK Ignition and Tune-Up Products start at just $6.99 and boast an impressive 4.8 stars average rating from customers. ACDelco and Autolite also bring quality to the table, with Ignition and Tune-Up Products available starting at $4.29, and at an average 4.7 stars rating. With 241 customer reviews and counting, our 1979 Excalibur Phaeton 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 Fluids and Chemicals, Wipers and Related Products and more to make sure your 1979 Excalibur Phaeton is always ready to roll. We’re committed to providing you with everything you need to keep your Phaeton in top shape, all in one place. Start shopping confidently below for your 1979 Excalibur Phaeton!

Best-Selling Spark Plugs for 1979 Excalibur Phaetons

Enhance the driving experience in your Excalibur with 14 quality Spark Plug components, starting at $2.79.

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from

$3.99

The Copper Plus spark plug is engineered for dependable performance and durability, making it a reliable choice for maintaining optimal engine function. Featuring a copper core center electrode, it delivers enhanced conductivity and precise heat control, ensuring good overall wear and extending the plug’s lifespan. Its nickel center electrode tip and tapered seat type further enhance reliability and engine performance. Built to ISO and SAE Standards, this spark plug guarantees proven performance and superior corrosion resistance, making it a durable option for long-term use. Designed as a standard replacement, it offers consistent functionality and compatibility with a wide range of vehicles. Whether you’re seeking improved heat management or reliable ignition, this spark plug is crafted to meet your needs with exceptional value.

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 plug’s life.
Reliable Nickel Center Electrode Tip: Featuring a nickel center electrode tip and a tapered seat type, this spark plug ensures enhanced reliability and optimal engine performance.

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$6.99

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

from

$6.29

Black Onyx coating helps reduce corrosion
Copper core provides great heat transfer and helps maximize plug durability
Ribbed suppressor seal extends resistance and helps prevent spark ‘flash over’ and misfires
Nickel-chrome alloy sheathing helps prevent corrosion on center electrode
Available for use in Marine applications
Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional
ACDelco GM Original Equipment parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM regularly updates production and service part designs to integrate new materials and technologies

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$8.49

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, lower emissions, faster starts and quicker acceleration over conventional nickel spark plugs. An excellent upgrade for vehicles which used nickel alloy spark plugs originally. For better performance consider upgrading to a NGK Iridium IX plug. For even greater performance consider upgrading to a NGK RUTHENIUM HX plug.

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
Improved Fuel Efficiency: Designed to improve fuel efficiency, helping you save on fuel costs over time.
Lower Emissions: These spark plugs contribute to lower emissions, making them an environmentally friendly choice.
Faster Starts and Quicker Acceleration: Experience faster starts and quicker acceleration, enhancing your vehicle’s overall performance.

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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 offers exceptional corrosion resistance, 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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$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 standard center electrode design to ensure consistent performance and reliable engine operation.

from

$6.99

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.

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 seal
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
High-Quality Suppressors: ACDelco Gold RAPIDFIRE Spark Plugs feature high-quality suppressors that help prevent misfiring, ensuring reliable performance for everyday use.

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$6.99

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.

from

$8.49

DiamondFire Automotive Spark Plug delivers exceptional performance and efficiency with its innovative Diamond Fire edge-to-edge ground electrode design. Engineered for smoother acceleration and idle, it ensures a faster, more complete burn of the fuel charge, maximizing pressure against the piston and putting more fuel to work. With power output improved by up to 6% on average, this spark plug enhances energy efficiency while reducing engine carbon deposits thanks to its patented Diamond Fire Technology. The unique diamond-shaped side wire electrode ignites the air/fuel mixture quickly, creating a larger flame kernel for optimal combustion. Crafted with durable nickel center and ground electrode tips, it offers long-lasting reliability. Pre-gapped at the factory for hassle-free installation, this tapered seat spark plug is a smart choice for drivers seeking improved fuel savings, cleaner engine performance, and enhanced power output.

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.

from

$9.99

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 center electrode ensures superior wear resistance for extended performance life.

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$4.49

Motorcraft spark plugs are matched to specific engines to provide enhanced durability, eliminate misfires, reduce fuel consumption and optimize emissions.
Backed by Motorcraft’s Service Parts Warranty
Exact fit for Ford, Lincoln and Mercury vehicles
Resistant to oxidation and arc erosion.
Multi-rib insulator protects against misfire.
Service intervals of up to 100,000 miles.
Motorcraft Spark Plugs are designed with high quality materials to provide reliable performance for almost any application.
Motorcraft Spark Plugs are what was in the vehicle when it was manufactured
Motorcraft ignition components help prevent false check engine lights.
Enhanced Durability: Engineered to meet strict Ford engineering standards, these spark plugs are designed to provide long-lasting performance and withstand harsh conditions.
Reduces Fuel Consumption: Specifically matched to engines to optimize fuel efficiency, helping you save on fuel costs.

from

$2.79

Motorcraft Spark Plugs are original equipment on Ford Motor Company vehicles, engineered to meet strict Ford engineering standards for optimal performance and reliability. These spark plugs are matched to specific engines to provide enhanced durability, eliminate misfires, reduce fuel consumption, and optimize emissions. Resistant to oxidation and arc erosion, they feature a multi-rib insulator to protect against misfires and offer service intervals of up to 100,000 miles. Designed with high-quality materials, Motorcraft Spark Plugs ensure reliable performance for a broad range of applications, including domestic and import cars and trucks of all makes and sizes. Backed by Motorcraft’s Service Parts Warranty, they are an exact fit for Ford, Lincoln, and Mercury vehicles, helping to prevent false check engine lights and providing the same quality as the original components installed during manufacturing.

Product Features:

Motorcraft spark plugs are matched to specific engines to provide enhanced durability, eliminate misfires, reduce fuel consumption and optimize emissions.
Backed by Motorcraft’s Service Parts Warranty
Exact fit for Ford, Lincoln and Mercury vehicles
Resistant to oxidation and arc erosion.
Multi-rib insulator protects against misfire.
Service intervals of up to 100,000 miles.
Motorcraft Spark Plugs are designed with high quality materials to provide reliable performance for almost any application.
Motorcraft Spark Plugs are what was in the vehicle when it was manufactured
Motorcraft ignition components help prevent false check engine lights.
Fuel Efficiency: These spark plugs help reduce fuel consumption, optimizing emissions and contributing to a more efficient engine performance.

from

$12.99

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
Outstanding Acceleration and High Fuel Efficiency: NGK Iridium IX spark plugs are engineered to deliver superior acceleration and enhanced fuel efficiency, making them ideal for performance enthusiasts.
Extreme Ignitability and Anti-Fouling: These spark plugs offer exceptional ignitability and anti-fouling properties, ensuring reliable performance and longevity.
High-Performance Upgrade Option: For those seeking even greater performance, NGK recommends upgrading to their Ruthenium HX plugs.

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$5.99

Designed with a standard center electrode to ensure consistent and efficient combustion for reliable engine performance.
Nickel construction on both the center and ground electrode tips enhances durability and resistance to wear, ensuring long-lasting functionality.
Tapered seat type provides a secure fit, improving compatibility and overall engine performance.
Built to withstand demanding conditions, optimizing engine efficiency and contributing to smoother operation.

Top Picks for 1979 Excalibur Phaeton Distributors

Upgrade Excalibur Phaetons with top-quality Distributors parts, including 1 OEM and aftermarket selections for your 1979 model.

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from

$3.29

Fel-Pro Oil Pan SnapUps 8mm bolts
Designed to hold up the pan and gasket, for one person installation
Engine$aver Hardware
Unsurpassed quality you can trust
Sold in sets of four and are reusable

Top-Rated Ignition and Tune-Up Products Brands For Your 1979 Excalibur Phaeton

Shop for the best-rated brands offering Ignition and Tune-Up Products and other products for your 1979 Excalibur Phaetons. Below you’ll find some of our best rated Ignition and Tune-Up Products from NGK, ACDelco, and Autolite, and more. Ignition and Tune-Up Products from these brands that fit a 1979 Phaeton start at just $4.29 and are rated as high as 4.8 stars. OEM and aftermarket Ignition and Tune-Up Products don’t get more top quality, durable, and affordable than from the brands below.

Popular NGK 1979 Excalibur Phaeton Ignition and Tune-Up Products

When it comes to maintaining or upgrading your 1979 Excalibur Phaeton, using quality Ignition and Tune-Up Products is essential to ensure durability and a perfect fit. NGK ticks all of those boxes. We offer a wide selection of NGK Ignition and Tune-Up Products, specifically designed for the 1979 Excalibur Phaeton. With over 2 NGK 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 $6.99, with an average price of just $7.74. Plus, with over 10 customer reviews and an average rating of 4.8 stars, you can trust that our NGK 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 $6.99

(8)

V-Power Nickel Spark Plug (UR45): Reliable Performance & Ignitability

“Good”

from $8.49

(2)

G-Power Platinum Spark Plug: Enhanced Durability & Fuel Efficiency

“Good quality NGK Platinum spark plugs”

Popular ACDelco 1979 Excalibur Phaeton Ignition and Tune-Up Products

ACDelco auto parts is one of the highest quality Ignition and Tune-Up Product brands in the market. Any 1979 Excalibur Phaeton owner should feel confident when installing genuine ACDelco parts in their vehicle. To ensure the best fit and performance for your 1979 Phaeton, Advance Auto Parts carries a full inventory of 2 ACDelco Ignition and Tune-Up Products. Plus you will be keeping your Excalibur in peak condition while saving money because prices on these ACDelco Ignition and Tune-Up Products range from $6.29 to $6.99, plus, with more than 5 customer reviews and an impressive 4.7 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

(3)

RAPIDFIRE Platinum Spark Plug: Reduces Misfires & Enhances Durability

“Great plugs”

from $6.29

(2)

Copper Core Spark Plug: Reliable Heat Transfer & Durability

“Great replacement plug for the factory plugs that came in your GM vehicles.”

FAQs for 1979 Excalibur Phaeton Ignition and Tune-Up Products

Which Ignition and Tune-Up Products are best-sellers for 1979 Excalibur Phaetons?

Out of 17 Ignition and Tune-Up Products that fit 1979 Excalibur Phaetons, the following parts are the top sellers:

Copper Resistor Spark Plug: Quick Starts & Enhanced Durability (5390079) – $4.29
Platinum Spark Plug: Improved Performance & Durability (5393817) – $4.99
V-Power Nickel Spark Plug (UR45): Reliable Performance & Ignitability (19650233) – $6.99

What’s the price range for 1979 Excalibur Phaeton Ignition and Tune-Up Products?

Ignition and Tune-Up Product prices for the 1979 Excalibur Phaeton start at $2.79 and go up to $90.99 for the most premium parts.

What’s the average price of a Ignition and Tune-Up Product for a 1979 Excalibur Phaeton?

The average price for Ignition and Tune-Up Products for the 1979 Excalibur Phaeton is $16.30. 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 Excalibur Phaeton model years?

Yes, we currently carry Ignition and Tune-Up Products for 23 model years of Excalibur Phaetons between 1965 and 1989. Ignition and Tune-Up Products are bought most frequently for the following model years: 1989, 1988, 1987, 1986, 1985, 1984, 1983, 1982, and 1981.

What are the cheapest Ignition and Tune-Up Products for my 1979 Excalibur Phaeton?

The cheapest 1979 Excalibur Phaeton Ignition and Tune-Up Products we carry in stock are:

Spark Plug: Enhances Durability & Reduces Fuel Consumption (18090014) – $2.79
Distributor Mounting Gasket (5785529) – $3.29
Copper Plus Spark Plug (RV15YC4): Dependable Performance & Durability (5470004) – $3.99
Copper Resistor Spark Plug: Quick Starts & Enhanced Durability (5390079) – $4.29
Standard Spark Plug: Enhances Durability & Reduces Fuel Consumption (11865567) – $4.49

What are the top-rated Ignition and Tune-Up Products that fit the 1979 Excalibur Phaeton?

Out of 241 reviews by customers, our 1979 Excalibur Phaeton 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 1979 Excalibur Phaeton and their top-rated products:

Ignition Wires
- 808415 Flame-Thrower Spark Plug Wires 8 cyl 8mm Universal 115 Degree Red (10110715) – $88.99
Distributors
- 808415 Flame-Thrower Spark Plug Wires 8 cyl 8mm Universal 115 Degree Red (10110715) – $88.99
Spark Plugs
- 808415 Flame-Thrower Spark Plug Wires 8 cyl 8mm Universal 115 Degree Red (10110715) – $88.99

What types of Ignition and Tune-Up Products do you sell for my 1979 Excalibur Phaeton?

As of 11/2/25, these are some of the most in-demand types of Ignition and Tune-Up Products for a 1979 Excalibur Phaeton:

Can I get help with 1979 Excalibur Phaeton 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 Excalibur Ignition and Tune-Up Products and more.

What is your return policy for Excalibur Phaeton Ignition and Tune-Up Products?

Advance Auto Parts keeps returns simple. For new Excalibur Phaeton 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.

1979 Excalibur Phaeton Ignition and Tune-Up Products

Motorcraft – Standard Spark Plug: Enhances Durability & Reduces Fuel Consumption (Part No.SP-425-A)

NGK – Iridium IX Spark Plug (XR5IX): Extreme Ignitability & Durability (Part No.7355)

Autolite – Double Platinum Spark Plug: Enhanced Durability & Performance (Part No.APP26)

Champion – Copper Plus Spark Plug (RJ12YC): Dependable Performance & Durability (Part No.14)

E3 – DiamondFIRE Spark Plug: More Power & Fuel Efficiency (Part No.E3.52)

ACDelco – Copper Core Spark Plug: Reliable Performance & Durability (Part No.R43S)

NGK – V-Power Nickel Spark Plug (XR5): Enhanced Ignitability & Performance (Part No.3332)

ACDelco – Double Platinum Spark Plug: Long-Lasting Performance & Durability (Part No.41-833)

Motorcraft – Spark Plug: Reliable Ignition & Nickel Durability (Part No.SP-425-X)

Felpro – Distributor Mounting Gasket (Part No.70194)

PerTronix – 808480 Flame-Thrower Spark Plug Wires 8 cyl 8mm Universal 180 Degree Red (Part No.808480)

PerTronix – 808415 Flame-Thrower Spark Plug Wires 8 cyl 8mm Universal 115 Degree Red (Part No.808415)

Champion – Copper Plus Spark Plug (RV15YC4): Dependable Performance & Durability (Part No.18)

NGK – V-Power Nickel Spark Plug (UR45): Reliable Performance & Ignitability (Part No.6945)

ACDelco – Copper Core Spark Plug: Reliable Heat Transfer & Durability (Part No.CR45TS)

NGK – G-Power Platinum Spark Plug: Enhanced Durability & Fuel Efficiency (Part No.3207)

Autolite – Copper Resistor Spark Plug: Quick Starts & Enhanced Durability (Part No.26)

Autolite – Platinum Spark Plug: Improved Performance & Durability (Part No.AP26)

ACDelco – RAPIDFIRE Platinum Spark Plug: Reduces Misfires & Enhances Durability (Part No.2)

Autolite – Double Platinum Spark Plug: Enhanced Durability & Performance (Part No.APP26)

E3 – DiamondFIRE Automotive Spark Plug: More Power & Fuel Efficiency (Part No.E3.42)

Autolite Iridium – Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition (Part No.XP26)

Motorcraft – Standard Spark Plug: Enhances Durability & Reduces Fuel Consumption (Part No.SP-425-A)

Motorcraft – Spark Plug: Enhances Durability & Reduces Fuel Consumption (Part No.SP-425)

NGK – Iridium IX Spark Plug (UR45IX): Extreme Ignitability & Durability (Part No.7559)

Motorcraft – Spark Plug: Reliable Ignition & Nickel Durability (Part No.SP-425-X)

PerTronix – 808415 Flame-Thrower Spark Plug Wires 8 cyl 8mm Universal 115 Degree Red (Part No.808415)

PerTronix – 808480 Flame-Thrower Spark Plug Wires 8 cyl 8mm Universal 180 Degree Red (Part No.808480)

Felpro – Distributor Mounting Gasket (Part No.70194)