2021 Ford F-350 Super Duty Spark Plugs
More 2021 Ford F-350 Super Duty Spark Plugs
Find your specific 2021 Ford F-350 Super Duty original or aftermarket Spark Plugs below. Order your parts online and have delivered to your home or pick up in-store at Advance Auto.
Essential 2021 Ford F-350 Super Duty Spark Plugs
DENSO – PT20TT Platinum TT Spark Plug (Part No.4512)
Autolite – Double Platinum Spark Plug: Platinum Firing, Superior Durability, Longer Life (Part No.APP103)
from
$6.79
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:
See More
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
NGK – Ruthenium HX High Ignitability Spark Plug: DFE Tip Design, TR5AHX (Part No.94567)
from
$14.99
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:
See More
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.
NGK – Ruthenium HX High Ignitability Spark Plug: PSPE Tip Design, LTR6BHX (Part No.90495)
from
$14.99
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 t
Product Features:
See More
Product Features:
- HIGH IGNITABILITY PROJECTED SQUARE PLATINUM ELECTRODE DESIGN: Combines 0.6 millimeter ruthenium center with a unique cut-back PSPE ground electrode
- RUTHENIUM ALLOY CENTER ELECTRODE: NGK’s patented ruthenium technology produces maximum performance, ignitability & durability at high temperatures
- PSPE DESIGN: Projected square platinum electrode shape of the ground electrode provides the best ignitability and service life for high heat engines
- 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 PSPE type spark plugs or for those seeking an aftermarket plug with the latest OE technology
Motorcraft – Spark Plug (CYFS12FP) (Part No.SP-526)
from
$9.99
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 spa
Product Features:
See More
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.
NGK – G-Power Spark Plug: Single Platinum Tip Design, ZNAR6AGP (Part No.1698)
from
$7.99
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:
See More
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
- Enhanced Vehicle Performance: Delivers better overall engine performance, making it an excellent choice for those seeking an upgrade from standard spark plugs.
NGK – OE Series Laser Iridium Spark Plug: Fine Wire Tip Design, ILTR6E11 (Part No.90117)
from
$14.99
NGK Laser Iridium spark plugs offer the best combination of performance and longevity. Engineered specifically for OE applications, Laser Iridium spark plugs are tested to the highest standards to ensure quality and durability. Iridium tipped center elect
Product Features:
See More
Product Features:
- ACTUAL OE or EQUIVALENT DESIGN: OEM quality construction fine wire iridium alloy center electrode provides consistent performance
- IRIDIUM ALLOY CENTER ELECTRODE: Iridium’s density (6x that of platinum) and extremely high melting point is perfect for modern high efficiency engines
- PLATINUM TIP GROUND ELECTRODE: Unless OE specified, platinum protection at the ground electrode provides excellent ignitability and service life
- SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
- TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
- RECOMMENDED USAGE: Best for vehicles with OE fine wire iridium alloy plugs
NGK – Laser Platinum Spark Plug (Part No.F1000182877NGK)
from
$14.56
NGK Laser Platinum spark plugs provide high ignitability and longer service life. Dual platinum surfaces ensure slow wear rate providing stable idle, superior anti fouling, improved fuel efficiency and lower emissions. The platinum disc welded to backside of ground electrode provides long life, faster starts and quicker acceleration. Laser Platinum spark plugs provide high ignitability and longer service life.
Product Features:
See More
Product Features:
- Laser welded Platinum center electrode tip
- Platinum disc welded to backside of ground electrode provides long life
- Trivalent Metal Plating provides superior anti-corrosion and anti-seizing properties
- Faster starts and quicker acceleration
- Better fuel economy and lower emissions
- Best Platinum spark plug available
- Original Equipment Manufacturer approved design
Champion – Double Platinum & Power Spark Plug Exceptional Performance, OE Replacement 7989 (Part No.7989)
from
$21.99
Champion® Double Platinum Power spark plugs deliver more powerful performance with their premium design. Featuring a platinum center and ground electrode, these spark plugs offer greater wear resistance and maintain stable operating temperatures under all engine loads. The fine-wire center electrode ensures greater ignitability, while the V-trimmed ground electrode promotes sharper spark focus. The exclusive Heat-Active alloy allows the electrodes to reach optimal temperature, ensuring maximum life and consistent performance.
Product Features:
See More
Product Features:
- Double Platinum Power – Premium Spark Plug. More Powerful Performance.
- Platinum center and ground electrode for greater wear resistance
- Maintains stable operating temperature under all engine loads
- Fine-wire center electrode for greater ignitability
- V-trimmed ground electrode promotes sharper spark focus
- Heat-Active alloy allows electrodes to reach optimal temperature
- OE Replacement: Designed as an original equipment replacement, ensuring compatibility and reliable performance for your vehicle.
Autolite – High Thread Pro Spark Plug: OE Design Exclusively for Ford 3V Engines, Finewire (Part No.HT15)
from
$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:
See More
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.
Motorcraft – High-Durability Spark Plug: Reduces Misfires & Fuel Consumption (Part No.SP-526-X)
from
$10.99
Motorcraft Spark Plugs are original equipment on Ford Motor Company vehicles, engineered to meet strict Ford engineering standards for 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. Backed by Motorcraft’s Service Parts Warranty, these spark plugs are an exact fit for Ford, Lincoln, and Mercury vehicles and are designed with high-quality materials to provide reliable performance for almost any application. Motorcraft ignition components also help prevent false check engine lights, ensuring your vehicle runs smoothly.
Product Features:
See More
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.
- Engineered for Ford Vehicles: Motorcraft High-Durability Spark Plugs are original equipment on Ford, Lincoln, and Mercury vehicles, ensuring a perfect fit and optimal performance.
Accel – Spark Plug: Ford Late V8 3-V: 1 Range Colder: 8Pk (Part No.8161C1)
from
$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:
See More
Product Features:
- The Copper core is a better conductor than Iridium or Platinum plugs
- Copper dissipates heat much better than other materials
- C
- 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!
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:
See More
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.
Autolite – Platinum Spark Plug: Fires Cleaner, Easier Starts, Quicker Acceleration (Part No.AP103)
from
$4.79
With over 100 years of engineering expertise and more than 11 billion plugs sold, Autolite delivers unmatched reliability. Designed and engineered in the USA, these 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 extended 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 performance and durability.
Product Features:
See More
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)
- Tapered Seat Type: Enhances performance and durability for a longer-lasting spark plug.
Motorcraft – Spark Plug Wire: 2 Year Warranty Unlimited Miles, Qty of 1 (Part No.WR-6121)
from
$39.99
Motorcraft Plug Wires are Manufactured of premium-quality materials to strict Ford Engineering standards. High-Dielectric Insulation helps maintain and control voltage delivery while reducing Radio Frequency Interference. EPDM/Silicone wire jacket, spark plug & coil/ distributor insulators help protect against oil and high temperatures. Optimized wire lengths help minimize part numbers while still providing proper fit. Designed and Tested to Stringent Ford Standards.
Product Features:
See More
Product Features:
- Backed by Motorcraft’s Service Parts Warranty
- Designed for long life – key life durability testing (equivalent to 10 years/150,000 miles) is conducted in addition to on-vehicle durability testing.
- Optimized wire lengths help minimize part numbers while still providing proper fit.
- Wires are optimum lengths for easy installation.
- EPDM/Silicone wire jacket, spark plug AND coil / distributor insulators help protect against oil and high temperatures.
- Motorcraft ignition components help prevent false check engine lights.
Motorcraft – Ignition Wire (Part No.F1030661541MTR)
from
$23.13
The Motorcraft Ignition wire is an OEM replacement that guarantees the same performance and quality provided by the vehicle manufacturer.
Product Features:
See More
Product Features:
- OEM quality
- OEM connectors for easy Installation.
- Resistant to high temperatures, corrosion and vibration.
- Ignition noise suppressed.
- Reduces the chance of misfire
- Increases engine life
- Protects against wire set failure
Motorcraft – Spark Plug Wire: 2 Year Warranty Unlimited Miles (Part No.WR-6147)
from
$22.49
Motorcraft Plug Wires are Manufactured of premium-quality materials to strict Ford Engineering standards. High-Dielectric Insulation helps maintain and control voltage delivery while reducing Radio Frequency Interference. EPDM/Silicone wire jacket, spark plug & coil/ distributor insulators help protect against oil and high temperatures. Optimized wire lengths help minimize part numbers while still providing proper fit. Designed and Tested to Stringent Ford Standards.
Product Features:
See More
Product Features:
- Backed by Motorcraft’s Service Parts Warranty
- Designed for long life – key life durability testing (equivalent to 10 years/150,000 miles) is conducted in addition to on-vehicle durability testing.
- Optimized wire lengths help minimize part numbers while still providing proper fit.
- Wires are optimum lengths for easy installation.
- EPDM/Silicone wire jacket, spark plug AND coil / distributor insulators help protect against oil and high temperatures.
- Motorcraft ignition components help prevent false check engine lights.
Motorcraft – Spark Plug Wire: 2 Year Warranty Unlimited Miles (Part No.WR-6159)
from
$33.99
Motorcraft Plug Wires are Manufactured of premium-quality materials to strict Ford Engineering standards. High-Dielectric Insulation helps maintain and control voltage delivery while reducing Radio Frequency Interference. EPDM/Silicone wire jacket, spark plug & coil/ distributor insulators help protect against oil and high temperatures. Optimized wire lengths help minimize part numbers while still providing proper fit. Designed and Tested to Stringent Ford Standards.
Product Features:
See More
Product Features:
- Backed by Motorcraft’s Service Parts Warranty
- Designed for long life – key life durability testing (equivalent to 10 years/150,000 miles) is conducted in addition to on-vehicle durability testing.
- Optimized wire lengths help minimize part numbers while still providing proper fit.
- Wires are optimum lengths for easy installation.
- EPDM/Silicone wire jacket, spark plug AND coil / distributor insulators help protect against oil and high temperatures.
- Motorcraft ignition components help prevent false check engine lights.
Motorcraft – Motorcraft Ignition Wire (Part No.F1030428458MTR)
from
$21.19
The Motorcraft Ignition wire is an OEM replacement that guarantees the same performance and quality provided by the vehicle manufacturer.
Product Features:
See More
Product Features:
- OEM quality
- OEM connectors for easy Installation.
- Resistant to high temperatures, corrosion and vibration.
- Ignition noise suppressed.
- Reduces the chance of misfire
- Increases engine life
- Protects against wire set failure
Motorcraft – Spark Plug Wire: 2 Year Warranty Unlimited Miles (Part No.WR-6146)
from
$29.99
Motorcraft Plug Wires are Manufactured of premium-quality materials to strict Ford Engineering standards. High-Dielectric Insulation helps maintain and control voltage delivery while reducing Radio Frequency Interference. EPDM/Silicone wire jacket, spark plug & coil/ distributor insulators help protect against oil and high temperatures. Optimized wire lengths help minimize part numbers while still providing proper fit. Designed and Tested to Stringent Ford Standards.
Product Features:
See More
Product Features:
- Backed by Motorcraft’s Service Parts Warranty
- Designed for long life – key life durability testing (equivalent to 10 years/150,000 miles) is conducted in addition to on-vehicle durability testing.
- Optimized wire lengths help minimize part numbers while still providing proper fit.
- Wires are optimum lengths for easy installation.
- EPDM/Silicone wire jacket, spark plug AND coil / distributor insulators help protect against oil and high temperatures.
- Motorcraft ignition components help prevent false check engine lights.
Popular 2021 Ford F-350 Super Duty Spark Plugs Categories
2021 Ford F-350 Super Duty Spark Plugs
Maybe you’re in the middle of a full rebuild of that 2021 Ford F-350 Super Duty. Maybe you just need a couple of Spark Plugs. Either way, Advance Auto Parts has 21 different Spark Plugs in our inventory ranging from $4.29 to $33.99. That means you can find the exact parts or products you need to keep that 2021 Ford F-350 Super Duty running smoothly.
Spark Plugs are only as good as their brand. We stock 6 different brands to make sure you have plenty of trusted parts to choose from for your 2021 Ford F-350 Super Duty. E3, Autolite, and NGK 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 2021 Ford F-350 Super Duty, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 2,090 reviews in this category, some of the top rated parts include Ruthenium HX High Ignitability Spark Plug: PSPE Tip Design, LTR7BHX with 5.0 stars.
So if you’re in the market for aftermarket Spark Plugs to keep your 2021 Ford F-350 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 2021 Ford F-350 Super Duty Last
Simple repair, complete replacement, or a full rebuild. No matter the job, your 2021 Ford F-350 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-350 Super Duty the best it can be. Be sure to browse some of our top Spark Plugs brands and parts.
Popular Autolite Iridium Spark Plugs
We carry Autolite Iridium parts in our stock across Spark Plugs categories, plus more. For a 2021 Ford F-350 Super Duty, our most popular Autolite Iridium Spark Plugs include:
from
$9.99
(41)
Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition
Spark Plugs
from
$6.49
(2)
Double Platinum Spark Plug: Platinum Firing, Superior Durability, Longer Life
Spark Plugs
Top 2021 Ford F-350 Super Duty Spark Plugs from E3
E3 products are another trusted brand when it comes to Spark Plugs for your 2021 Ford F-350 Super Duty. Popular E3 parts include:
FAQs for 2021 Ford F-350 Super Duty Spark Plugs
What are the most purchased Spark Plugs for the 2021 Ford F-350 Super Duty?
Out of 21 Spark Plugs for the 2021 Ford F-350 Super Duty, the most popular in our inventory are:
from
$12.99
This product is not rated
Iridium IX Spark Plug: Single Iridium Fine Wire, LTR6IX-11
Spark Plugs
from
$10.99
(14)
Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, last 100K+ Miles, ITV20TT
Spark Plugs
What are the top-rated 2021 Ford F-350 Super Duty Spark Plugs?
Top-rated Spark Plugs for your 2021 Ford F-350 Super Duty based on customer reviews/ratings are:
from
$14.79
(1)
Ruthenium HX High Ignitability Spark Plug: PSPE Tip Design, LTR7BHX
“I got these for my 2019 Mustang Ecoboost and these were way better spark plugs then anything i have tried definitely a performance oriented, spark plu”
