2021 Ford F-550 Super Duty Spark Plugs
Your 2021 Ford F-550 Super Duty might be the best vehicle you’ve ever owned. Or you may just be struggling to keep it highway-approved. No matter the situation, Advance Auto Parts has the Spark Plugs you desperately need.
We currently carry 6 Spark Plugs to choose from for your 2021 Ford F-550 Super Duty, and our inventory prices range from as little as $6.49 up to $10.99.
On top of low prices, Advance Auto Parts offers 2 different trusted brands of Spark Plugs for the 2021 Ford F-550 Super Duty. We only sell parts from trusted brands like Autolite so that you can find quality parts you can count on.
Don’t take our word for it – check out customer ratings and reviews to buy with confidence. We have 86 reviews on our Spark Plugs for the 2021 Ford F-550 Super Duty from previous customers.
Have parts delivered straight to your home, or find the nearest Advance Auto Parts store to check out our Spark Plugs stock in-person!
Spark Plugs for Your 2021 Ford F-550 Super Duty
Autolite Iridium – Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition (Part No.XP5363)
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:
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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.
Autolite – Double Platinum Spark Plug: Platinum Firing, Superior Durability, Longer Life (Part No.APP5363)
from
$6.49
Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, Autolite Double Platinum spark plugs feature platinum-to-platinum firing which virtually eliminates gap erosion, reduces misfires and increases durability of the plug. Consider upgrading to Autolite Iridium XP spark plugs for increased performance.
Product Features:
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Product Features:
- Works to optimize engine performance for a longer life and improved fuel economy
- OE design
- Full-platinum tips; platinum on both the center and side electrodes to promote reduced gap wear
- Platinum ball welding process provides a consistent point of contact for enhanced adhesion
Autolite Iridium – Iridium Ultra Finewire Spark Plug: Optimal Performance, Durability, Ignitability (Part No.AI5363)
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:
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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.
Motorcraft – High-Performance Spark Plug: Enhances Fuel Efficiency (Part No.SP-586)
from
$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:
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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.
Autolite Iridium – Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition (Part No.XP5862)
from
$8.99
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:
See More
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
Motorcraft – High-Performance Spark Plug: Enhances Fuel Efficiency (Part No.SP-589)
from
$7.99
Engineered for superior ignition performance, the Motorcraft High-Performance Spark Plug is designed to optimize fuel efficiency and ensure reliable starts. Crafted with precision, this spark plug offers exceptional durability and consistent performance, making it an ideal choice for maintaining your vehicle’s peak performance. Upgrade to Motorcraft and experience the difference in your engine’s responsiveness and fuel economy.
Product Features:
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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.
FAQs for 2021 Ford F-550 Super Duty Spark Plugs
What are the most popular Spark Plugs for the 2021 Ford F-550 Super Duty?
With 2 brands you can trust, our most popular Spark Plugs for the 2021 Ford F-550 Super Duty parts are:
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$9.99
(41)
Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition
Spark Plugs
from
$10.99
This product is not rated
Iridium Ultra Finewire Spark Plug: Optimal Performance, Durability, Ignitability
Spark Plugs
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$6.49
(2)
Double Platinum Spark Plug: Platinum Firing, Superior Durability, Longer Life
Spark Plugs
