2003 Ford F-250 Super Duty Spark Plugs

Essential 2003 Ford F-250 Super Duty Spark Plugs

Autolite Iridium – Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition (Part No.XP5363)

Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition

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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
  • Double Iridium-Enhanced Alloy Technology Center Electrode: Offers improved durability and wear resistance for a longer-lasting spark plug.
  • Engineered in the USA: Designed with over 100 years of Autolite’s engineering experience for superior quality and performance.
  • Proven Track Record: Part of a legacy with over 11 billion spark plugs sold, ensuring trusted performance and reliability.
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DENSO – PT20TT Platinum TT Spark Plug (Part No.4512)

PT20TT Platinum TT Spark Plug

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$3.99
Twin-Tip design enables faster flame propagation for more complete combustion.
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Champion – Copper Plus Spark Plug: Dependable Performance, OE Replacement, RS9YC (Part No.304)

Copper Plus Spark Plug: Dependable Performance, OE Replacement, RS9YC

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$3.99
The Champion Spark Plug Copper Plus Spark Plug RS9YC is a reliable and high-performing OE replacement spark plug. It features a copper core center electrode that provides accurate control of heat range, ensuring optimal performance and fuel efficiency. The spark plug is built to ISO and SAE standards, ensuring proven performance and durability. The center electrode tip material is made of nickel, while the resistor type is designed to reduce electromagnetic interference. The tapered seat type ensures a secure fit and easy installation. Overall, the Champion Spark Plug Copper Plus Spark Plug RS9YC is a dependable choice for those seeking a high-quality spark plug replacement that delivers consistent performance and fuel efficiency.
  • Copper core center electrode allows for accurate control of heat range for longer life
  • Built to ISO and SAE standards for proven performance
  • Built to ISO and SAE standards for proven performance
  • Dependable Performance: The Copper Plus Spark Plug is designed to provide reliable and consistent performance, ensuring that your vehicle runs smoothly and efficiently.
  • OE Replacement: This spark plug is an exact replacement for the original equipment (OE) part, ensuring a perfect fit and optimal performance.
  • Nickel Center Electrode Tip Material: The center electrode tip of this spark plug is made from nickel, which provides superior conductivity and durability compared to other materials.
  • Tapered Seat Type with Resistor: The tapered seat type of this spark plug ensures a secure fit in the engine block, while the built-in resistor helps reduce electromagnetic interference for improved performance.
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    Autolite – High Thread Pro Spark Plug: OE Design Exclusively for Ford 3V Engines, Finewire (Part No.HT15)

    High Thread Pro Spark Plug: OE Design Exclusively for Ford 3V Engines, Finewire

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    $13.99
    With over 100 years of engineering expertise and over 11 billion plugs sold, Autolite delivers exceptional performance. Designed and engineered in the USA, these Double Platinum spark plugs feature a high nickel alloy side electrode that maintains a precise gap, and a full platinum tip that ensures virtually no gap erosion for long life. The necked-down center electrode fires quicker and cleaner with less voltage, providing easier starts, quicker acceleration, and improved fuel economy compared to standard plugs. The tapered seat type further enhances the plug’s durability and 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)
    • OE Design Exclusively for Ford 3V Engines: Tailored specifically for Ford 3V engines, ensuring optimal compatibility and performance.
    • Tapered Seat Type: Designed with a tapered seat type to enhance the spark plug’s durability and overall performance.
    • Engineered in the USA: Designed and engineered in the USA, leveraging over 100 years of Autolite’s engineering expertise and experience.
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    NGK – OE Series V-Power Nickel Spark Plug: V-Groove Tip Design, TR55 (Part No.3951)

    OE Series V-Power Nickel Spark Plug: V-Groove Tip Design, TR55

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    $4.99
    NGK V-Power spark plugs offer reliable performance and improved ignitability over standard nickel plugs. Engineered specifically for OE applications, the special V-cut nickel alloy center electrode and concave ground electrode of NGK’s V-Power spark plug 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 TR55 model enhances ignitability and overall engine performance.
    • Lower Emissions: The NGK Laser Platinum Spark Plug contributes to lower emissions, supporting a cleaner and more environmentally friendly driving experience.
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    Champion – Copper Plus Spark Plug: Dependable Performance, OE Replacement, RS12YC (Part No.401)

    Copper Plus Spark Plug: Dependable Performance, OE Replacement, RS12YC

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    $2.99
    Dependable Performance, OE Replacement, RS12YC. This Champion® spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear. The Copper Plus design ensures dependable performance and durability, while the copper core center electrode allows for accurate control of heat range, extending the spark plug’s life. Built to ISO and SAE standards, it offers superior corrosion resistance and proven performance. The nickel center electrode tip and tapered seat type further enhance its reliability, making it an excellent choice for maintaining your engine’s efficiency.

    Product Features:
    • Copper Plus – Dependable Performance and Durability
    • Copper core center electrode allows for accurate control of heat range for longer life
    • Superior corrosion resistance
    • Built to ISO and SAE standards for proven performance
    • Built to ISO and SAE standards for proven performance
    • Enhanced Conductivity and Heat Control: The Champion Copper Plus Spark Plug features a copper core electrode that provides increased conductivity and heat control, ensuring good overall wear and extending the spark plug’s life.
    • Reliable Nickel Center Electrode Tip: Featuring a nickel center electrode tip and a tapered seat type, this spark plug enhances reliability and ensures optimal engine performance.
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    Autolite – Racing Resistor Spark Plug: Enables Performance, Handles Intense Conditions (Part No.AR103)

    Racing Resistor Spark Plug: Enables Performance, Handles Intense Conditions

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    $4.99
    The ground electrode is cut-back from the center electrode to provide a gap, and its concave face ensures a constant gap to the center electrode. This design opens the spark face for better ignitability of the flame kernel and retains less heat, transferring it to the shell faster to reduce the risk of pre-ignition. Dyno testing has shown proven power gains, making it ideal for all aftermarket cylinder heads used in various racing venues, including oval and road racing. The cut-back ground electrode is an evolution from the practice of grinding back the side electrode, and it features a tapered seat type for optimal performance.

    Product Features:
    • Opens spark face for better ignitability of flame kernel
    • Retains less heat, transfers heat to shell faster – reduces risk of pre-ignition
    • Dyno testing has shown proven power gains
    • Cut-back ground electrode evolved from practice of grinding back the side electrode
    • Optimal Performance: Features a tapered seat type for optimal performance in various racing venues, including oval and road racing.
    • Durable Design: Specifically designed to handle intense conditions, making it suitable for all aftermarket cylinder heads used in racing.
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    Motorcraft – Spark Plug (AGSF22WM) (Part No.SP-479)

    Spark Plug (AGSF22WM)

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    $6.49
    Motorcraft Spark Plugs are original equipment on Ford Motor Company vehicles engineered to meet strict Ford engineering standards to provide original equipment performance and reliability. Delivering performance, reliability and confidence, Motorcraft spark plugs are available for a broad range of applications, including domestic and import cars and trucks of all makes and sizes.

    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.
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    NGK – Iridium IX Spark Plug: Single Iridium Fine Wire, LTR6IX-11 (Part No.6509)

    Iridium IX Spark Plug: Single Iridium Fine Wire, LTR6IX-11

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    $12.99
    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
    • Outstanding Acceleration and High Fuel Efficiency: NGK Iridium IX spark plugs are engineered to deliver superior acceleration and enhance 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.
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    Autolite Iridium – Iridium Ultra Finewire Spark Plug: Optimal Performance, Durability, Ignitability (Part No.AI5363)

    Iridium Ultra Finewire Spark Plug: Optimal Performance, Durability, Ignitability

    from

    $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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    Accel – Spark Plug: Ford Late V8 3-V: 1 Range Colder: 8Pk (Part No.8161C1)

    Spark Plug: Ford Late V8 3-V: 1 Range Colder: 8Pk

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    $153.99
    ACCEL HP Spark Plugs are made with a Copper core which is a better conductor than Platinum and Iridium. They deliver a stronger spark especially in high performance applications where high combustion pressures are present. Copper is much better at dissipating heat than other materials which lessens the chance of a misfire. ACCEL HP Spark Plugs are gapable allowing you to open the gap exposing a larger flame kernel or close it if needed for high boost applications. All ACCEL HP Spark Plugs have machine rolled threads allowing for a more precise thread engagement and torque retention.

    Product Features:
    • The Copper core is a better conductor than Iridium or Platinum plugs
    • Copper dissipates heat much better than other materials
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    • Unlike Iridium or Platinum plugs, the ACCEL HP plugs are gapable
    • Machine rolled threads for precise thread engagement
    • One step colder than stock
    • Whether using on the street or on the strip, ACCEL HP Copper Core spark plugs deliver!
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    Autolite Iridium – Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition (Part No.XP103)

    Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition

    from

    $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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    ACDelco – Iridium Spark Plug: Original Equipment Replacement (Part No.41-988)

    Iridium Spark Plug: Original Equipment Replacement

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    $11.99
    ACDelco GM Original Equipment Iridium Spark Plugs are designed, engineered, and tested to rigorous standards, and are backed by General Motors. They are our latest in spark plug technology and an exact replacement for your vehicle’s original components. Iridium composition provides a high melting point and great strength, and provides excellent wear resistance and durability. 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:
    • Iridium is the latest in spark plug technology and is an exact replacement for vehicles’ original components
    • Iridium composition provides a high melting point and great strength, helps to provide excellent wear resistance and durability
    • Iridium offers excellent engine idle stability, reliable cold starting, quick acceleration and smooth performance
    • Three Piece Fired in Suppressor seal meters spark energy for long electrode life, helps prevent combustion leakage and helps block radio frequencies that can affect vehicle electronics
    • Iridium plugs are laser-welded which provides precision welds, reduces excess debris and wear rate, thus increasing durability
    • 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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    Champion – Iridium Spark Plug: Maximum Performance, OE Replacement, RE10WYPB5 (Part No.9901)

    Iridium Spark Plug: Maximum Performance, OE Replacement, RE10WYPB5

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    $7.49
    Champion® Iridium – the ultimate element. This spark plug’s fine-wire iridium center and platinum ground electrodes provide the sharpest spark focus for maximum performance.

    Product Features:
    • Champion Iridium – Maximum Performance. Premium Spark Plug
    • Iridium center electrode delivers maximum life
    • Fine-wire center electrode and V-trimmed for greater ignitability
    • V-trimmed ground electrode promotes sharper spark focus
    • Maintains stable operating temperature under all engine loads
    • Heat-Active┐ alloy allows electrodes to reach optimal temperature quickly
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    Dorman – Help – Cylinder Head Repair Kit (Part No.42025)

    Cylinder Head Repair Kit

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    $63.99
    This spark plug thread repair kit is designed to repair stripped spark plug threads in the cylinder heads of specific Ford and Lincoln vehicles, saving you time and money by eliminating the need to remove or replace the entire cylinder head. This convenient, complete kit comes with one boot, one spring, one sleeve and one spark plug.

    Product Features:
    • Direct repair – this spark plug thread repair kit is designed to repair spark plug threads that have become stripped on specific Ford and Lincoln vehicles with Triton or Intech engines.
    • Complete solution – this cylinder head repair kit includes everything you need to repair spark plug threads, including one boot, one spring, one sleeve and one spark plug
    • Saves time and money – this kit replaces stripped spark plug threads and eliminates the need to replace the entire cylinder head
    • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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    2003 Ford F-250 Super Duty Spark Plugs

    Maybe you’re in the middle of a full rebuild of that 2003 Ford F-250 Super Duty. Maybe you just need a couple of Spark Plugs. Either way, Advance Auto Parts has 32 different Spark Plugs in our inventory ranging from $2.99 to $63.99. That means you can find the exact parts or products you need to keep that 2003 Ford F-250 Super Duty running smoothly.

    Spark Plugs are only as good as their brand. We stock 8 different brands to make sure you have plenty of trusted parts to choose from for your 2003 Ford F-250 Super Duty. NGK, Autolite, and Motorcraft are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

    We know you’ll find the perfect Spark Plugs for your 2003 Ford F-250 Super Duty, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 7,269 reviews in this category, some of the top rated parts include Double Platinum Spark Plug: Platinum Firing, Superior Durability, Longer Life with 4.8 stars and Copper Plus Spark Plug: Dependable Performance, OE Replacement, RS12YC with 4.6 stars.

    So if you’re in the market for aftermarket Spark Plugs to keep your 2003 Ford F-250 Super Duty rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

    Spark Plugs Brands To Make Your 2003 Ford F-250 Super Duty Last

    Simple repair, complete replacement, or a full rebuild. No matter the job, your 2003 Ford F-250 Super Duty demands trusted brand parts and products to keep it running. Many trusted brands of Spark Plugs make up Advance Auto Parts’ inventory, and all are ready to help make your F-250 Super Duty the best it can be. Be sure to browse some of our top Spark Plugs brands and parts.

    Popular Motorcraft Spark Plugs

    We carry Motorcraft parts in our stock across Spark Plugs categories, plus more. For a 2003 Ford F-250 Super Duty, our most popular Motorcraft Spark Plugs include:
    Spark Plug (AGSF22WM)
    from $6.49
    (255)
    Spark Plug (AGSF22WM)
    Spark Plugs

    FAQs for 2003 Ford F-250 Super Duty Spark Plugs

    What are the most purchased Spark Plugs for the 2003 Ford F-250 Super Duty?

    Out of 32 Spark Plugs for the 2003 Ford F-250 Super Duty, the most popular in our inventory are:
    Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition
    from $9.99
    This product is not rated
    Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition
    Spark Plugs

    What are the top-rated 2003 Ford F-250 Super Duty Spark Plugs?

    Top-rated Spark Plugs for your 2003 Ford F-250 Super Duty based on customer reviews/ratings are:
    DiamondFIRE Automotive Spark Plug: More Power, Saves Gas
    from $6.99
    (35)
    DiamondFIRE Automotive Spark Plug: More Power, Saves Gas
    “I’ve installed these in my S10 and not had a problem with them. I drive mainly highway miles and gained 5% in fuel mileage. Will keep useing E3’s”