2021 Ford F-550 Super Duty Ignition and Tune-Up Products

Name: Original Equipment (O.E.) Switch Assembly - Ignition
Brand: Motorcraft
SKU: SW-6958
Price: 83.99 USD

Below you will find various in-demand Ford Ignition and Tune-Up Products, components and accessories for your 2021 F-550 Super Duty. Advance Auto Parts has popular F-550 Super Duty parts like Ignition Coils and Boots, Spark Plugs, Ignition Switches and more. You’ll also find aftermarket and OEM Ignition and Tune-Up Products for other F-550 Super Duty model years including 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2022, 2023 and more. Select a category of 2021 Ford F-550 Super Duty Ignition and Tune-Up Products below and start saving instantly.

Popular 2021 Ford F-550 Super Duty Ignition and Tune-Up Products Categories

Spark Plugs

Ignition Coils

Knock Sensors

Ignition Starter Switches

Single Spark Plug Wires

Essential Ignition and Tune-Up Products for 2021 Ford F-550 Super Duties

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$83.99

The only parts recommended by Ford Motor Company for Ford, Lincoln and Mercury vehicles.

Product Features:

Direct-fit, OE replacement parts – identical to factory installed parts. Robust design helps provide long operating life and excellent performance.
All OE switch functions are maintained. Factory connectors help ensure a solid, positive connection. Provided factory mounting points ensure easy installation – new gaskets and attaching hardware is included, where applicable.

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$30.49

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

Product Features:

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

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$70.99

High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.

Product Features:

Designed to OE standards for ease of installation
Copper alloy conductors ensure superior electrical conductivity with low resistive losses
Our parts are 100% tested to verify both mechanical and electrical switching performance
Robust design and high grade materials meet the stringent demands of today’s service professional
BWD is a global manufacturer of original equipment ignition products, complete quality control is maintained through the manufacturing process from componentry to finished product

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$70.99

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

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$40.99

High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.

Product Features:

Designed to OE standards for ease of installation
Copper alloy conductors ensure superior electrical conductivity with low resistive losses
Our parts are 100% tested to verify both mechanical and electrical switching performance
Robust design and high grade materials meet the stringent demands of today’s service professional
BWD is a global manufacturer of original equipment ignition products, complete quality control is maintained through the manufacturing process from componentry to finished product

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$17.99

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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$7.49

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 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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$10.99

Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, the Autolite Iridium XP spark plugs feature an iridium-enhanced 0.6mm finewire design and patented platinum sidewire technology to provide better overall durability and a more focused ignition for enhanced ignitability and performance. Features double Iridium-enhanced alloy technology center electrode for improved durability and wear resistance.

Product Features:

0.6 mm finewire design improves ignitability
Patented V-trimmed platinum sidewire technology resists wear
OE equivalent design is engineered for every engine
Designed for better overall durability with virtually no gap erosion
Double Iridium-Enhanced Alloy Technology 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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$15.99

NGK Ruthenium HX High Ignitability spark plugs are the best in class plug for todays modern vehicles. Patented Ruthenium technology offers the most advance tip technology and delivers the highest performance and life expectancy. Created from advanced OE technology as a high ignitability plug, Ruthenium HX spark plugs come with patented, specialized OEM DFE and PSPE tip designs. NGK Ruthenium HX High Ignitability spark plugs provide a more complete fuel burn resulting in a quicker throttle response, smoother idle and better cold starts. Ruthenium center electrode provides industry leading durability.

Product Features:

HIGH IGNITABILITY DOUBLE FINE ELECTRODE DESIGN: Combines 0.6 millimeter ruthenium center with opposed fine wire platinum ground electrode
RUTHENIUM ALLOY CENTER ELECTRODE: NGK’s patented ruthenium technology produces maximum performance, ignitability & durability at high temperatures
PLATINUM PIN TYPE GROUND ELECTRODE: Provides more complete fuel burn, quicker throttle response, smoother idle and better cold starts
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: Modern vehicles using OE DFE type spark plugs or for those seeking an aftermarket plug with the latest OE technology
Specialized OEM Tip Designs: Features DFE and PSPE tip designs for enhanced ignitability and efficiency.
Industry-Leading Durability: Ruthenium center electrode ensures long-lasting performance and reliability.

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$6.79

Platinum Spark Plug (AGSF22WM) offers enhanced durability and reliability, making it the ideal choice for maintaining peak performance in Ford, Lincoln, and Mercury vehicles. Engineered to meet strict Ford standards, these spark plugs are crafted with platinum center and ground electrode tips for superior resistance to oxidation and arc erosion, ensuring long-lasting performance. The tapered seat design and multi-rib insulator work together to eliminate misfires, reduce fuel consumption, and optimize emissions, while preventing false check engine lights. With service intervals of up to 100,000 miles, these spark plugs deliver exceptional value and reliability for both domestic and import cars and trucks. Backed by Motorcraft’s Service Parts Warranty, they are the exact fit for your vehicle, providing the same high-quality performance as the original equipment installed during manufacturing. Designed for a broad range of applications, Motorcraft spark plugs are the trusted solution for drivers seeking confidence and efficiency on the road.

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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$26.99

Carquest Premium knock sensors are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium knock sensors are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. We utilize advanced technology to design sensors that are, in many cases, stronger than OE parts. Carquest Premium knock sensors undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium knock sensors 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:

Designed to meet or exceed OE specifications for fit, form and function
Trivalent iridescent chromate plating prevents corrosion
Silicone seals prevent moisture intrusion preventing false codes and sensor failure
Wiring harnesses utilize high-temperature insulation when applicable
Extensive design validation testing and 100% end-of-line tested
Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413

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$35.99

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

Product Features:

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

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$28.99

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

Product Features:

Bosch OE quality knock sensors for optimum engine protection
Bosch OE quality knock sensors increase torque up to 5%
Bosch OE quality knock sensors enable the use of multiple quality fuels with various anti-knock properties

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$66.99

The Ignition Knock (Detonation) Sensor monitors vibrations caused by engine knock or detonation to alter the ignition timing and prevent detonation. A piezoelectric crystal generates a varying voltage based upon engine vibration intensity to delay ignition timing to help prevent severe and costly engine damage. Reasons for replacement include check engine light illumination, engine hesitation, poor fuel economy or failed emissions test.

Product Features:

ADVANCED TECHNOLOGY: Manufactured to operation performance standards to meet or exceed OE fit, form, and function to ensure proper ignition timing.
INSTALLATION AND SUPPORT: Mounting threads, harness length and wire gauge match OE for easy, worry free installation.
THE DIFFERENCE: Reinforced components are used to reduce the chance of part failure and prevent corrosion and moisture penetration. Shielded harness prevents electrical interference.

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$55.99

ADVANCED TECHNOLOGY: Manufactured to operation performance standards to meet or exceed OE fit, form, and function to ensure proper ignition timing.
INSTALLATION AND SUPPORT: Mounting threads, harness length and wire gauge match OE for easy, worry free installation.
THE DIFFERENCE: Reinforced components are used to reduce the chance of part failure and prevent corrosion and moisture penetration. Shielded harness prevents electrical interference.

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$63.99

Designed to meet or exceed OE specifications for fit, form and function
Trivalent iridescent chromate plating prevents corrosion
Silicone seals prevent moisture intrusion preventing false codes and sensor failure
Wiring harnesses utilize high-temperature insulation when applicable
Extensive design validation testing and 100% end-of-line tested
Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413

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$91.99

The only parts recommended by Ford Motor Company for Ford, Lincoln and Mercury vehicles. Motorcraft and Ford Parts are used throughout Ford vehicles in a variety of applications that help ensure the proper build quality, integrity and long-lasting performance of every Ford car or truck. Motorcraft and Ford Parts are manufactured from first quality materials chosen specifically for maximum performance and application suitability. As with all Motorcraft and Ford Parts, any innovations or improvements developed since the vehicle’s manufacture are included in these after market replacement parts, ensuring the most current technology and performance.

Product Features:

These coils provide the exact spark timing that helps maximize the engine and emissions performance
RFI suppression helps minimize electronic noise through a Ford patented spring assembly inside the coil boot
Engineered to help withstand temperature extremes
Internal insulation displacement connection is helps make high-reliability internal connections
Interior insulation helps ensure no internal arcing
Right fit for each application; helps provide ease of installation and removal
High grade silicone rubber boot materials do not degrade or stick, aiding in environmental and dielectric sealing
Housings engineered to help resist cracking in the most extreme conditions
Ford-patented iron core lamination stack integrates rare earth magnets in the flux circuit to help deliver consistent high energy required for output

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$38.99

Edelbrock Coil No. 22780 is a single coil-on-plug coil designed as a direct performance replacement for the OEM coil on 1998-08 Ford 4.6L-5.4L V8 engines and the 6.8L Triton V10 engine. Each No. 22780 coil features advanced technology with heavy-duty primary and secondary windings inside of a corrosion-resistant housing. The enhanced windings in these coils offer higher energy and voltage output for greater spark and can help to provide quicker starts with improved idle quality. Coil housings are resistant to heat, shock, vibration and corrosion. This coil is available in a set of eight under No. 22781. For the Triton V10 engine, order one No. 22781 coil pack and two No. 22780 single coils for a set of 10.

Product Features:

Maximum 26000 Voltage
Ford V8 4.6L-5.4L 2 Valve

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$52.05

Driveworks offers a line of aftermarket parts and accessories that are commercially acceptable and competitively priced, which provides professional technicians and DIYers with an affordable alternative for repairs.

Product Features:

Direct-fit OE replacement ensures ease of installation
Designed to meet OE performance
As the leader in commercially acceptable parts, we provide professional technicians with the quality parts they need
As the leader in commercially acceptable parts, we provide professional technicians with the quality parts they need

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$38.99

Flame-Thrower COP for 2 valve Ford engines feature an optimized coil design which increases the spark energy by 15% over the OEM coils. Molded epoxy prevents premature failure from moisture or winding fatigue. OEM replacement.

Product Features:

30,000 Volts. Direct OEM replacement.
Optimized coil design yields at least 15% more energy available for the spark than the most common OEM coils.
Provides the spark energy throughout the RPM range and with no energy degradation up to 11,000 engine RPMs. Plated Copper terminals for added current conduction.
Moisture resistant construction ensures long life in harsh environments. High-temp boot sustains seal and form. Epoxy molded for shock and vibration resistance.

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$84.99

As the innovator and leader in stick coil technology DENSO has conducted superior testing and inspection processes to insure the highest quality ignition coil. Don’t be fooled by imitations – look for the DENSO name to be sure you’re getting the best.

Product Features:

First Time Fit
Built to DENSO Original Equipment Standards

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$18.99

ACCEL Super Coils feature advanced bobbin technology, highly specialized silicon magnetic steel cores, optimized windings, proper resistance and engineered turn ratios that deliver a high performance, quality coil. Specialized high temperature epoxy resists shock and vibration, while increasing thermal conductivity. These are direct high performance replacements for OEM coils.

Product Features:

Specialized silicone magnetic steel cores are surrounded by precision wrapped windings using advanced bobbin technology which helps maintain the proper resistance and turn ratios necessary to deliver improved performance spark
Advanced Bobbin Technology
Direct Plug In Replacement results in a Direct OE Fit
OBD ll Safe, so you won’t be throwing codes, just sparks
Standard Motor Products SMP Fd-508
MSD 8243 82438
Resists Shock And Vibration
Resists Corrosion

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$39.99

Motorcraft Single Lead Spark Plug Wires must endure a series of punishing tests including a series of demanding test-to-failure endurance and materials durability tests to ensure their long-lasting quality and operation.

Product Features:

The only parts recommended by Ford Motor Company for Ford, Lincoln and Mercury vehicles.
Motorcraft ignition system components create and control the electrical functions of engine operation in Ford-built vehicles.
The ignition includes the Ignition Coil and modules that generate up to 46,000 volts for spark plug firing as well as the crankshaft position monitor and Power Train Control module or PCM.
Motorcraft Ignition components are manufactured to exacting Ford OE specifications and quality standards.
As with all Motorcraft aftermarket parts, any engineering innovations or product improvements developed since the vehicle’s manufacture are added to these Ignition components, ensuring the most current technology.

Upgrade your 2021 Ford F-550 Super Duty with Top-Quality Ignition and Tune-Up Products

When it comes to maintaining or upgrading your 2021 Ford F-550 Super Duty, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Ford or enhancing its overall performance, Ignition and Tune-Up Products are key to keeping your F-550 Super Duty functioning at its best. At Advance Auto Parts, we offer a wide selection of 11 Ignition and Tune-Up Products for the 2021 Ford F-550 Super Duty, designed to meet your needs without breaking the bank. From Ignition Coils and Boot replacements to Spark Plugs upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.

Affordable Prices and Wide Selection

Shopping for Ignition and Tune-Up Products for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Ignition and Tune-Up Products for your 2021 Ford F-550 Super Duty at great prices. Our Ignition and Tune-Up Products inventory for this model ranges from just $6.99 to $201.99, with an average price of $41.82. Our 11 Ignition and Tune-Up Products in stock come from 3 trusted brands, so you’re sure to find the right part for your 2021 Ford F-550 Super Duty 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 2021 Ford F-550 Super Duty, we stock popular OEM and aftermarket Ignition and Tune-Up Products from top names like Autolite, and more. Autolite Ignition and Tune-Up Products start at just $6.99 and boast an impressive 4.6 stars average rating from customers. With 129 customer reviews and counting, our 2021 Ford F-550 Super Duty 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 2021 Ford F-550 Super Duty is always ready to roll. We’re committed to providing you with everything you need to keep your F-550 Super Duty in top shape, all in one place. Start shopping confidently below for your 2021 Ford F-550 Super Duty!

Best-Selling Ignition Coils and Boots for 2021 Ford F-550 Super Duties

Enhance the driving experience in your Ford with 1 quality Ignition Coils and Boot components, starting at $201.99.

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$201.99

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:

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

Most Popular 2021 Ford F-550 Super Duty Spark Plugs

Customize your Ford with 8 Spark Plugs products like Spark Plugs and Single Spark Plug Wires, all priced under $39.99.

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$10.99

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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$6.99

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

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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$10.99

Autolite Iridium Ultra Laser Fine wire 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 Fine wire 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 Fine wire Spark Plugs are available at a value price, making them an economical choice for vehicle maintenance.

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$39.99

The only parts recommended by Ford Motor Company for Ford, Lincoln and Mercury vehicles.
Motorcraft ignition system components create and control the electrical functions of engine operation in Ford-built vehicles.
The ignition includes the Ignition Coil and modules that generate up to 46,000 volts for spark plug firing as well as the crankshaft position monitor and Power Train Control module or PCM.
Motorcraft Ignition components are manufactured to exacting Ford OE specifications and quality standards.
As with all Motorcraft aftermarket parts, any engineering innovations or product improvements developed since the vehicle’s manufacture are added to these Ignition components, ensuring the most current technology.

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$10.99

The Autolite Iridium Ultra Fine wire Spark Plug is a premium OE replacement designed to deliver exceptional performance and reliability. Featuring a laser-welded proprietary iridium alloy finewire center electrode, it ensures optimal fuel efficiency, improved acceleration, and precise ignitability. The nickel-plated shell offers superior corrosion resistance, while the high-alumina ceramic insulator enhances strength and durability under extreme conditions. With advanced platinum sidewire technology, this spark plug provides long-lasting performance and consistent ignition. Engineered for excellence, its the perfect choice for drivers seeking enhanced engine efficiency and dependable operation.

Product Features:

Autolite Iridium Ultra is an engineered OE replacement iridium spark plug.
A laser-welded proprietary iridium alloy 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 Iridium finewire center electrode.
Proprietary platinum sidewire technology.

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$8.99

This premium spark plug is engineered to deliver superior ignition performance, ensuring optimal combustion and enhancing fuel efficiency. Designed with advanced materials and precision manufacturing, it offers exceptional durability and reliability. Ideal for high-performance engines, the Motorcraft High-Performance Spark Plug provides consistent power output, reduces emissions, and extends engine life, making it a perfect choice for those seeking to maximize their vehicle’s performance and efficiency.

Product Features:

Superior Ignition Performance: Engineered to deliver optimal combustion, ensuring your engine runs smoothly and efficiently.
Enhanced Fuel Efficiency: Designed to maximize fuel economy, helping you save on fuel costs while reducing emissions.
Exceptional Durability and Reliability: Constructed with advanced materials and precision manufacturing for long-lasting performance.
Consistent Power Output: Ideal for high-performance engines, providing reliable and consistent power to enhance overall vehicle performance.
Extended Engine Life: Helps reduce wear and tear on your engine, contributing to a longer engine lifespan.
Superior Ignition Performance: Engineered to deliver optimal combustion, ensuring your engine runs smoothly and efficiently.
Enhanced Fuel Efficiency: Designed to maximize fuel economy, helping you save on fuel costs while reducing emissions.
Exceptional Durability and Reliability: Constructed with advanced materials and precision manufacturing for long-lasting performance.
Consistent Power Output: Ideal for high-performance engines, providing reliable and consistent power to enhance overall vehicle performance.
Extended Engine Life: Helps reduce wear and tear on your engine, contributing to a longer engine lifespan.

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$7.99

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 long-lasting performance.

from

$7.99

The Motorcraft High-Performance Spark Plug is expertly crafted to deliver superior ignition performance and optimize fuel efficiency, ensuring reliable starts and smoother engine operation. Featuring a standard center electrode design with an iridium tip and a nickel ground electrode tip, this spark plug is built for exceptional durability and long-lasting performance. Its tapered seat type ensures a secure fit, making it a dependable choice for maintaining your vehicle’s peak performance. Designed to enhance engine responsiveness and improve overall fuel economy, this spark plug is an excellent upgrade for drivers seeking consistent and efficient performance. With precision engineering and high-quality materials, the Motorcraft High-Performance Spark Plug offers unmatched value, helping you save on fuel costs while keeping your engine running at its best.

Product Features:

Enhances Fuel Efficiency: The Motorcraft High-Performance Spark Plug is specifically designed to optimize fuel efficiency, helping you save on fuel costs.
Superior Ignition Performance: Engineered for superior ignition performance, this spark plug ensures reliable starts every time.
Exceptional Durability: Crafted with precision, the Motorcraft High-Performance Spark Plug offers exceptional durability, providing long-lasting performance.
Consistent Performance: This spark plug delivers consistent performance, making it an ideal choice for maintaining your vehicle’s peak performance.
Improved Engine Responsiveness: Upgrade to Motorcraft and experience a noticeable difference in your engine’s responsiveness and overall fuel economy.
Enhances Fuel Efficiency: The Motorcraft High-Performance Spark Plug is specifically designed to optimize fuel efficiency, helping you save on fuel costs.
Superior Ignition Performance: Engineered for superior ignition performance, this spark plug ensures reliable starts every time.
Exceptional Durability: Crafted with precision, the Motorcraft High-Performance Spark Plug offers exceptional durability, providing long-lasting performance.
Consistent Performance: This spark plug delivers consistent performance, making it an ideal choice for maintaining your vehicle’s peak performance.
Improved Engine Responsiveness: Upgrade to Motorcraft and experience a noticeable difference in your engine’s responsiveness and overall fuel economy.

Top Picks for 2021 Ford F-550 Super Duty Ignition Switches

Upgrade Ford F-550 Super Duties with top-quality Ignition Switches parts, including 1 OEM and aftermarket selections for your 2021 model.

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$83.99

The only parts recommended by Ford Motor Company for Ford, Lincoln and Mercury vehicles.

Product Features:

Direct-fit, OE replacement parts – identical to factory installed parts. Robust design helps provide long operating life and excellent performance.
All OE switch functions are maintained. Factory connectors help ensure a solid, positive connection. Provided factory mounting points ensure easy installation – new gaskets and attaching hardware is included, where applicable.

In-Demand Ignition Sensors for 2021 Ford F-550 Super Duties

Select from 1 premium Ignition Sensors parts for your 2021 Ford F-550 Super Duty.

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from

$26.99

Designed to meet or exceed OE specifications for fit, form and function
Trivalent iridescent chromate plating prevents corrosion
Silicone seals prevent moisture intrusion preventing false codes and sensor failure
Wiring harnesses utilize high-temperature insulation when applicable
Extensive design validation testing and 100% end-of-line tested
Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413

Top-Rated Ignition and Tune-Up Products Brands For Your 2021 Ford F-550 Super Duty

Shop for the best-rated brands offering Ignition and Tune-Up Products and other products for your 2021 Ford F-550 Super Duties. Below you’ll find some of our best rated Ignition and Tune-Up Products from Autolite, and more. Ignition and Tune-Up Products from these brands that fit a 2021 F-550 Super Duty start at just $6.99 and are rated as high as 4.6 stars. OEM and aftermarket Ignition and Tune-Up Products don’t get more top quality, durable, and affordable than from the brands below.

Popular Autolite 2021 Ford F-550 Super Duty Ignition and Tune-Up Products

When it comes to maintaining or upgrading your 2021 Ford F-550 Super Duty, using quality Ignition and Tune-Up Products is essential to ensure durability and a perfect fit. Autolite ticks all of those boxes. We offer a wide selection of Autolite Ignition and Tune-Up Products, specifically designed for the 2021 Ford F-550 Super Duty. With over 2 Autolite 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 $8.99. Plus, with over 43 customer reviews and an average rating of 4.6 stars, you can trust that our Autolite 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

(2)

Double Platinum Spark Plug: Enhanced Durability & Performance

“Really tuned up the performance of the Ford 6.2 that we were working on.”

from $10.99

(41)

Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition

“Awesome quality plug and a decent price.”

FAQs for 2021 Ford F-550 Super Duty Ignition and Tune-Up Products

Which Ignition and Tune-Up Products are best-sellers for 2021 Ford F-550 Super Duties?

Out of 11 Ignition and Tune-Up Products that fit 2021 Ford F-550 Super Duties, the following parts are the top sellers:

Iridium Ultra Fine Wire Spark Plug: Laser Welded for Optimum Performance (12008336) – $10.99
Original Equipment (O.E.) Switch Assembly – Ignition (11865442) – $83.99
High-Performance Spark Plug: Enhances Fuel Efficiency & Durability (50021673) – $8.99

What’s the price range for 2021 Ford F-550 Super Duty Ignition and Tune-Up Products?

Ignition and Tune-Up Product prices for the 2021 Ford F-550 Super Duty start at $6.99 and go up to $201.99 for the most premium parts.

What’s the average price of a Ignition and Tune-Up Product for a 2021 Ford F-550 Super Duty?

The average price for Ignition and Tune-Up Products for the 2021 Ford F-550 Super Duty is $41.82. 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 Ford F-550 Super Duty model years?

Yes, we currently carry Ignition and Tune-Up Products for 25 model years of Ford F-550 Super Duties between 1999 and 2025. Ignition and Tune-Up Products are bought most frequently for the following model years: 2023, 2022, 2020, 2019, 2018, 2017, 2016, 2015, and 2014.

What are the cheapest Ignition and Tune-Up Products for my 2021 Ford F-550 Super Duty?

The cheapest 2021 Ford F-550 Super Duty Ignition and Tune-Up Products we carry in stock are:

Double Platinum Spark Plug: Enhanced Durability & Performance (11668265) – $6.99
Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition (50031864) – $7.99
High-Performance Spark Plug: Enhances Fuel Efficiency (50011448) – $7.99
High-Performance Spark Plug: Enhances Fuel Efficiency & Durability (50021673) – $8.99
Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition (10500916) – $10.99

What are the top-rated Ignition and Tune-Up Products that fit the 2021 Ford F-550 Super Duty?

Out of 129 reviews by customers, our 2021 Ford F-550 Super Duty 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 2021 Ford F-550 Super Duty and their top-rated products:

Spark Plugs
- Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition (10500916) – $10.99
- Double Platinum Spark Plug: Enhanced Durability & Performance (11668265) – $6.99

What types of Ignition and Tune-Up Products do you sell for my 2021 Ford F-550 Super Duty?

As of 11/2/25, these are some of the most in-demand types of Ignition and Tune-Up Products for a 2021 Ford F-550 Super Duty:

Can I get help with 2021 Ford F-550 Super Duty 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 Ford Ignition and Tune-Up Products and more.

What is your return policy for Ford F-550 Super Duty Ignition and Tune-Up Products?

Advance Auto Parts keeps returns simple. For new Ford F-550 Super Duty 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.

2021 Ford F-550 Super Duty Ignition and Tune-Up Products

Motorcraft – Original Equipment (O.E.) Switch Assembly – Ignition (Part No.SW-6958)

Carquest Premium – Ignition Switch (Part No.CSA1262)

Carquest – Ignition Switch (Part No.CS804)

Carquest Premium – Ignition Switch (Part No.CSC1044)

Carquest – Ignition Switch (Part No.CS942)

NGK – Iridium IX Spark Plug: Outstanding Acceleration & High Durability (Part No.372)

NGK – V-Power Nickel Spark Plug (TR55): Enhanced Ignitability & Performance (Part No.3951)

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

NGK – Ruthenium HX Spark Plug (TR5AHX): High Ignitability & Durability (Part No.94567)

Motorcraft – Platinum Spark Plug (AGSF22WM): Enhanced Durability & Reliability (Part No.SP-479)

Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.SBA3805)

Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.SBC3679)

Bosch – Knock Sensor (Part No.0261231316)

NTK – Ignition Knock (Detonation) Sensor (Part No.ID0141)

NTK – Ignition Knock (Detonation) Sensor (Part No.ID0301)

Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.SBA3779)

Motorcraft – Ignition Coil: Meets or Exceeds Original Equipment Specifications, 1 Piece (Part No.DG-508)

Edelbrock – Ignition Coil No. 22780 1998-08 Ford V8 4.6L-5.4L, V10 6.8L, 2 Valve, Single Coil (Part No.22780)

Driveworks – Coil on Plug Coil (Part No.26338)

PerTronix – Flame Thrower Coil On Plug: 1998-2009, Ford 2 Valve, 15% More Spark Energy, 1 ea, OE Replacement (Part No.30721)

DENSO – Direct Ignition Coil – Original Equipment Quality (Part No.673-6000)

Accel – Coil:Ford Mod Eng 3-Valve (Part No.140033)

Motorcraft – Single Lead Spark Plug Wire (Part No.WR-6170)

Carquest Premium – Ignition Coil (Part No.EBA2001)

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

Autolite – Double Platinum Spark Plug: Enhanced Durability & Performance (Part No.APP5363)

Autolite Iridium – Iridium Ultra Fine Wire Spark Plug: Laser Welded for Optimum Performance (Part No.AI5363)

Motorcraft – Single Lead Spark Plug Wire (Part No.WR-6170)

Autolite Iridium – Iridium Ultra Fine wire Spark Plug: Optimal Fuel Efficiency & Ignitability (Part No.AI5862)

Motorcraft – High-Performance Spark Plug: Enhances Fuel Efficiency & Durability (Part No.SP-586)

Autolite Iridium – Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition (Part No.XP5862)

Motorcraft – High-Performance Spark Plug: Enhances Fuel Efficiency (Part No.SP-589)

Motorcraft – Original Equipment (O.E.) Switch Assembly – Ignition (Part No.SW-6958)

Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.SBA3805)