2003 Toyota Sequoia Spark Plugs

Essential 2003 Toyota Sequoia Spark Plugs

Champion – Copper Plus Spark Plug: Dependable Performance, OE Replacement, REC10YC4 (Part No.975)

Copper Plus Spark Plug: Dependable Performance, OE Replacement, REC10YC4

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$2.29
Dependable performance. This Champion® spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear.

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
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NGK – OE Series Laser Platinum Spark Plug: Fine Wire Tip Design, BKR6EP-8 (Part No.2215)

OE Series Laser Platinum Spark Plug: Fine Wire Tip Design, BKR6EP-8

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$12.99
NGK Laser Platinum spark plugs provide high ignitability and longer service life compared to conventional nickel spark plugs. Laser Platinum plugs are tested to the highest standards to ensure quality and durability. Engineered specifically for OE applications. Laser platinum plugs provide stable idling, superior anti-fouling, improved fuel efficiency and lower emissions. High-grade pure alumina ceramic and 98% pure copper core prevents spark plug from overheating and provides reliable starts. Most Laser Platinum spark plugs feature a platinum pad on the ground electrode for even wear in distributorless ignition systems.

Product Features:
  • ACTUAL OE or EQUIVALENT DESIGN: OEM quality construction fine wire platinum alloy center electrode provides consistent performance
  • PLATINUM ALLOY CENTER ELECTRODE: Longer wearing and higher temperature resistance compared to traditional nickel spark plugs
  • 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 platinum alloy plugs
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DENSO – Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, last 100K+ Miles, IK20TT (Part No.4702)

Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, last 100K+ Miles, IK20TT

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$10.99
Durability of an OE style plug combined with Power & Torque of high performance.

Product Features:
  • 0.4mm Iridium Center Electrode: World’s Smallest Diameter that maximizes firing potential
  • 0.7mm Needle Tip Ground Electrode: Promotes higher spark energy and less heat quenching
  • DENSO Patented Optimized Iridium-Rhodium Alloy Formula: Highest concentration of Iridium vs. competitors for greater durability
  • DENSO Patented 360 degree laser welding process: Ensuring exceptional quality bond and structural strength with the Iridium Center Electrode
  • Durability of an OE style plug combined with Power & Torque of high performance.
  • Withstands temperatures greater than 4000┬░ Fahrenheit
  • Iridium TT
  • Ultimate Endurance and Power: The DENSO Iridium TT Spark Plug features a 0.7mm Iridium Tip, ensuring over 100,000 miles of uncompromised performance.
  • Advanced Twin-Tip Technology: Developed from Original Equipment Specification Super Ignition Plug (SIP) design, combining a Fine Wire Iridium Center Electrode with a Needle Tip Platinum Ground Electrode.
  • Enhanced Fuel Economy and Lower Emissions: Drive around the Earth over 4 times with improved fuel efficiency and reduced emissions.
  • Premium Materials: Features an Iridium Center Electrode Tip and a Flat Seat Type for optimal performance and durability.
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DENSO – Iridium Long-Life Spark Plug: OE Performance, last 100K+ Miles, SK20R11 (Part No.3297)

Iridium Long-Life Spark Plug:  OE Performance, last 100K+ Miles, SK20R11

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$10.79
Manufactured to the strictest OE performance, durability and emissions standards.

Product Features:
  • Latest OE technology with DENSO’s patented Iridium Alloy (90% Ir) and fine wire center electrode
  • Platinum ground electrode for extended life
  • DENSO Patented 360 degree laser welding process: Ensuring exceptional quality bond and structural strength with the Iridium Center Electrode
  • Sustained spark performance over 100,000 miles
  • Lasts up to three times as long as conventional plugs
  • Endures extreme temperatures greater than 4,000 degrees F associated with high-performance ignition and special fuel systems
  • Iridium Long Life
  • Enhanced Engine Performance: Enjoy more horsepower, faster and easier starts, and fewer misfires under heavy loads, thanks to the advanced properties of DENSO’s Iridium alloy.
  • Fuel Efficiency: The DENSO Iridium Long Life plug helps in better conservation of fuel, making it an economical choice for long-term use.
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Champion – Copper Plus Spark Plug: Dependable Performance, OE Replacement, RC9MCC (Part No.97)

Copper Plus Spark Plug: Dependable Performance, OE Replacement, RC9MCC

from

$1.99
Dependable performance. This Champion spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear.

Product Features:
  • Copper Plus – Dependable Performance.
  • Copper core center electrode allows for accurate control of heat range for longer life
  • Patented TinTac and ULTRASEAL coated shell for maximum corrosion resistance
  • Patented SAC-9 semiconductor resistor for maximum EMI & RFI suppression
  • Built to ISO and SAE standards for proven performance
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DENSO – U-Groove Spark Plug: OE Performance, lasts 30K+ Miles, K20R-U (Part No.3122)

U-Groove Spark Plug:  OE Performance, lasts 30K+ Miles, K20R-U

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$4.29
OE Performance, lasts 30K+ Miles, K20R-U. The unique U-Groove ground electrode is one of the finest features of DENSO spark plugs, designed to fire leaner mixtures than conventional plugs for improved ignitability. Precision machine-rolled threads reduce seizing and cross-threading in delicate aluminum heads, ensuring a secure fit. With a wide range of part numbers for thousands of applications, including classic and collector cars, these spark plugs last twice as long as most conventional plugs. Made with a nickel center electrode tip and a flat seat type, each plug is 100% pre-fired to assure reliable operation, enhancing both emission gas purification and fuel consumption efficiency.

Product Features:
  • Patented U-groove ground electrode design fires leaner mixtures than conventional plugs
  • Precision machine-rolled threads reduce seizing and cross-threading in delicate aluminum heads
  • Wide range of part numbers for thousands of applications, including classic and collector cars
  • Lasts twice as long as most conventional plugs
  • 100% pre-fired to assure reliable operation
  • U-Groove Conventional
  • Long-Lasting Durability: Lasts twice as long as most conventional plugs, with a lifespan of over 30,000 miles.
  • Enhanced Emission and Fuel Efficiency: 100% pre-fired to assure reliable operation, enhancing both emission gas purification and fuel consumption efficiency.
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NGK – OE Series Laser Iridium High Ignitability Spark Plug: DFE Tip Design, DILKAR8K8G (Part No.96008)

OE Series Laser Iridium High Ignitability Spark Plug: DFE Tip Design, DILKAR8K8G

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$26.99
NGK Laser Iridium High Ignitability spark plugs offer the best combination of performance and longevity. Engineered specifically for OE applications, Laser Iridium High Ignitability spark plugs are tested to the highest standards to ensure quality and dur

Product Features:
  • ACTUAL OE or EQUIVALENT HIGH IGNITABILITY DESIGN: DFE tip and iridium alloy center electrode produce the most advanced OE spark plug technology
  • IRIDIUM ALLOY CENTER ELECTRODE: Iridium’s density (6x that of platinum) and extremely high melting point is perfect for modern high efficiency engines
  • DFE DESIGN: Double fine electrode (platinum pin) 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: Best for vehicles with OE DFE iridium alloy plugs
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DENSO – Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IK20 (Part No.5304)

Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IK20

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$11.79
Increased performance with World’s smallest Iridium Center Eletrode (0.4mm).

Product Features:
  • World’s smallest Iridium Center Electrode (0.4mm) for improved spark for maximum combustion
  • Patented 360-degree laser welding assembly process
  • U-groove and taper cut ground electrode to maximize flame propagation.
  • Withstands temperatures greater than 4000° Fahrenheit
  • Burnished nickel plating for high temperature endurance and superior corrosion resistance
  • Wide range of part numbers for thousands of applications, including classic and collector cars
  • Iridium Power
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Autolite – Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration (Part No.3923)

Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration

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$3.49
Autolite Copper spark plugs deliver quick starts, good fuel economy and smooth acceleration.

Product Features:
  • Copper-glass seal bonds insulator, terminal post center electrode together; assures full required voltage at spark gap; gas-tight seal (100% leak proof)
  • Multi-rib insulator reduces danger of “flash-over”
  • One-piece terminal post adds strength
  • Resistor reduces radio frequency interference (RFI) and electrode erosion
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NGK – OE Series Laser Iridium Spark Plug: Fine Wire Tip Design, ILFR6T11 (Part No.4904)

OE Series Laser Iridium Spark Plug: Fine Wire Tip Design, ILFR6T11

from

$15.99
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:
  • 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
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DENSO – Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IKH20 (Part No.5344)

Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IKH20

from

$12.29
Increased performance with World’s smallest Iridium Center Eletrode (0.4mm).

Product Features:
  • World’s smallest Iridium Center Electrode (0.4mm) for improved spark for maximum combustion
  • Patented 360-degree laser welding assembly process
  • U-groove and taper cut ground electrode to maximize flame propagation.
  • Withstands temperatures greater than 4000┬░ Fahrenheit
  • Burnished nickel plating for high temperature endurance and superior corrosion resistance
  • Wide range of part numbers for thousands of applications, including classic and collector cars
  • Iridium Power
  • Superior Performance: This spark plug requires 5,000 less volts to fire compared to conventional spark plugs, providing maximum performance even under extreme conditions.
  • Enhanced Horsepower and Efficiency: Experience more horsepower, faster and easier starts, fewer misfires under heavy loads, and better fuel efficiency with the DENSO Iridium Power spark plug.
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Autolite Iridium – Iridium Ultra Finewire Spark Plug: Optimal Performance, Durability, Ignitability (Part No.AI5325)

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.
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Champion – Platinum Power Spark Plug: Powerful Perfromance, OE Replacement, RC9PYC (Part No.3344)

Platinum Power Spark Plug: Powerful Perfromance, OE Replacement, RC9PYC

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$4.29
Champion® Platinum Power spark plugs deliver powerful performance with their premium design. Featuring a platinum center electrode for long life and a fine-wire center electrode for greater ignitability, these spark plugs ensure optimal performance. The V-trimmed ground electrode promotes sharper spark focus, while the exclusive Heat-Active alloy allows the electrodes to reach optimal temperature. The platinum-tipped center wire resists wear and helps maintain the proper gap specification over the life of the plug, making it a reliable choice for your vehicle.

Product Features:
  • Platinum Power- Premium Spark Plug. Powerful Performance.
  • Platinum center electrode for long life
  • Fine-wire center electrode for greater ignitability
  • V-trimmed ground electrode promotes sharper spark focus
  • Heat-Active alloy allows electrodes to reach optimal temperature
  • Platinum tipped center wire resists wear and helps to maintain proper gap spec over life of the plug
  • Platinum Center Electrode: The Champion Platinum Power Spark Plug features a platinum center electrode for extended durability and long-lasting performance.
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Autolite – Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration (Part No.5325)

Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration

from

$3.49
Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Guaranteed to deliver quick starts, good fuel economy and smooth acceleration, Autolite Copper Core spark plugs are designed to meet or exceed OES design requirements. Consider upgrading to Autolite Platinum, Double Platinum or Iridium XP plugs for improved engine performance. Copper core plugs are the industry standard.

Product Features:
  • Copper-glass seal bonds insulator, terminal post center electrode together; assures full required voltage at spark gap; gas-tight seal (100% leak proof)
  • Multi-rib insulator reduces danger of “flash-over”
  • One-piece terminal post adds strength
  • Resistor reduces radio frequency interference (RFI) and electrode erosion
  • Quick Starts: Autolite Copper Core spark plugs are engineered to ensure your engine starts quickly and reliably every time.
  • Good Fuel Economy: Designed to optimize fuel efficiency, these spark plugs help you get the most out of every gallon of gas.
  • Smooth Acceleration: Experience seamless and smooth acceleration with Autolite Copper Core spark plugs, enhancing your driving experience.
  • OES Design Compliance: These spark plugs are crafted to meet or exceed Original Equipment Service (OES) design requirements, ensuring high-quality performance.
  • Industry Standard: Autolite Copper Core spark plugs are recognized as the industry standard, backed by over 100 years of engineering expertise and the sale of over 11 billion plugs.
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Felpro – Spark Plug Tube Seal Set (Part No.ES 73110)

Spark Plug Tube Seal Set

from

$21.49
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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MAHLE Original – Spark Plug Tube Seal (Part No.B31693)

Spark Plug Tube Seal

from

$22.99
MAHLE gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.

Product Features:
  • All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
  • MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
  • MAHLE gaskets is the leader in Domestic, Asian and European applications
  • The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package
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Nippon Reinz – Spark Plug tube Seal (Part No.A8027168107NRZ)

Spark Plug tube Seal

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$4.49
Nippon Reinz Spark Plug tube Seal withstands high and low temperatures to provide a reliable seal with minimal tightening. Spark Plug tube Seals are increasingly produced with profiles and not flat; that is, the gasket surface is provided with beads or lips. Now, instead of the entire gasket surface, only the profile needs to be pressed, that is, the sealing bead or sealing lip, and just a slight amount of bolting force produces sufficient deformation and adaptation.

Product Features:
  • Stays cool at temperature up to 1800F
  • Designed to seal minor surface irregularities
  • No re-torque required
  • Teflon® coating optional
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2003 Toyota Sequoia Spark Plugs

Maybe you’re in the middle of a full rebuild of that 2003 Toyota Sequoia. Maybe you just need a couple of Spark Plugs. Either way, Advance Auto Parts has 28 different Spark Plugs in our inventory ranging from $1.99 to $21.49. That means you can find the exact parts or products you need to keep that 2003 Toyota Sequoia 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 Toyota Sequoia. Autolite, DENSO, 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 2003 Toyota Sequoia, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 2,106 reviews in this category, some of the top rated parts include Platinum TT Spark Plug with Twin-Tip Design for Enhanced Ignition with 4.6 stars and Iridium IX Spark Plug: Single Iridium Fine Wire, BKR6EIX with 4.9 stars.

So if you’re in the market for aftermarket Spark Plugs to keep your 2003 Toyota Sequoia 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 Toyota Sequoia Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 2003 Toyota Sequoia 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 Sequoia the best it can be. Be sure to browse some of our top Spark Plugs brands and parts.

Popular ACDelco Spark Plugs

We carry ACDelco parts in our stock across Spark Plugs categories, plus more. For a 2003 Toyota Sequoia, our most popular ACDelco Spark Plugs include:
Double Platinum Spark Plug
from $9.79
(9)
Double Platinum Spark Plug
Spark Plugs

FAQs for 2003 Toyota Sequoia Spark Plugs

What are the most purchased Spark Plugs for the 2003 Toyota Sequoia?

Out of 28 Spark Plugs for the 2003 Toyota Sequoia, the most popular in our inventory are:

What are the top-rated 2003 Toyota Sequoia Spark Plugs?

Top-rated Spark Plugs for your 2003 Toyota Sequoia based on customer reviews/ratings are:
Platinum TT Spark Plug with Twin-Tip Design for Enhanced Ignition
from $3.99
(105)
Platinum TT Spark Plug with Twin-Tip Design for Enhanced Ignition
“Very nice quality. Installed like factory. Ran great.”
Iridium IX Spark Plug: Single Iridium Fine Wire, BKR6EIX
from $11.99
(94)
Iridium IX Spark Plug: Single Iridium Fine Wire, BKR6EIX
“gas milage whet up”