Lexus SC400 Spark Plugs

Your One-Stop Shop For Trusted Lexus SC400 Spark Plugs

If you’re in search of Lexus SC400 Spark Plugs aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 30 Spark Plugs from top brands with prices ranging from $3.99 to $39.99.

Beyond great prices, we stock trusted brands manufacturing all types of Spark Plugs for your Lexus SC400.

And don’t forget to read customer reviews across all Spark Plugs categories in our catalog. Buy with confidence by leveraging past customer experiences of our aftermarket and OEM parts.

At Advance Auto Parts, we don’t think top quality Spark Plugs have to cost top dollar, and we prove it. Browse our top Lexus SC400 Spark Plugs below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

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Essential Lexus SC400 Spark Plugs

Champion – Double Platinum Power Spark Plug (RC10PLPB4): Enhanced Ignitability & Durability (Part No.7436)

Double Platinum Power Spark Plug (RC10PLPB4): Enhanced Ignitability & Durability

from

$7.49
The Double Platinum Power Spark Plug (RC10PLPB4) is engineered for enhanced ignitability and long-lasting durability, making it a premium choice for reliable engine performance. Featuring a fine-wire platinum center electrode and a platinum pad ground electrode, this spark plug ensures greater wear resistance and a sharper, more focused spark. The innovative Heat-Active alloy allows the electrodes to maintain an optimal operating temperature under all engine loads, ensuring consistent performance and efficiency. Its V-trimmed ground electrode design further enhances spark focus, while the resistor type construction minimizes electrical interference. Designed as a standard replacement with a flat seat type, this spark plug is built to deliver powerful performance and maintain stable operation, making it an excellent choice for drivers seeking durability and precision in their ignition system.

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
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NGK – Laser Platinum Spark Plug (BKR6EP-11): High Ignitability & Longevity (Part No.2978)

Laser Platinum Spark Plug (BKR6EP-11): High Ignitability & Longevity

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$18.99
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 applica

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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ACDelco – Double Platinum Spark Plug (Part No.41-801)

Double Platinum Spark Plug

from

$10.99
ACDelco Gold (Professional) Double Platinum Spark Plug are a high quality alternative to Original Equipment (OE) parts. With a copper core and double platinum pads on the center electrode, these plugs are designed to deliver long-lasting performance. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function. ACDelco Gold (Professional) parts are manufactured to meet your expectations for fit, form, and function, making them a smart choice for General Motors vehicles, as well as most makes and models, including special applications. These high-quality parts are backed by General Motors. Some ACDelco Gold parts may have formerly appeared as ACDelco Professional.

Product Features:
  • One-piece, fired-in suppressor seal blends three glass types for a gas-tight seal that helps reduce radio frequency and engine interference, regulate spark plug energy, and protect against compression pressures for long life
  • Double platinum point pad on center and ground electrode offer excellent durability and consistent voltage demands to help reduce wear on ignition system
  • Pure copper core results in cooler electrode temperature for maximized durability and fouling resistance
  • Some ACDelco Gold parts may have formerly appeared as ACDelco Professional
  • Premium aftermarket replacement part
  • Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models
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Champion – Platinum Power Spark Plug (RC9PYC): Powerful Performance & Durability (Part No.3344)

Platinum Power Spark Plug (RC9PYC): Powerful Performance & Durability

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$5.99
Champion Platinum Power spark plugs are engineered to deliver exceptional performance and durability, making them a reliable choice for your vehicle. Featuring a platinum center electrode, these spark plugs ensure long-lasting performance and resistance to wear, maintaining the proper gap specification throughout their lifespan. The fine-wire center electrode enhances ignitability, while the V-trimmed ground electrode sharpens spark focus for optimal combustion. Constructed with the exclusive Heat-Active alloy, these plugs quickly reach and maintain the ideal operating temperature, ensuring consistent performance under various driving conditions. Designed as a standard replacement, they feature a flat seat type and a nickel ground electrode tip for dependable functionality. With a built-in resistor, these spark plugs help reduce electromagnetic interference, making them a smart choice for maintaining engine efficiency and smooth operation. Whether you’re looking for powerful performance or extended durability, these spark plugs deliver exceptional value 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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NGK – V-Power Nickel Spark Plug (BKR6E-11): Reliable Ignitability & Performance (Part No.2756)

V-Power Nickel Spark Plug (BKR6E-11): Reliable Ignitability & Performance

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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

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
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Autolite – Double Platinum Spark Plug: Enhanced Durability & Performance (Part No.APP3923)

Double Platinum Spark Plug: Enhanced Durability & Performance

from

$7.49
Autolite Double Platinum spark plugs are engineered for exceptional durability and performance, making them an ideal choice for distributor-less ignition system (DIS) engines. Featuring a platinum-to-platinum design, these spark plugs effectively prevent gap erosion, reduce misfires, and extend service life. The yttrium-enhanced ground electrode ensures superior heat transfer, allowing the plugs to withstand high temperatures and pressures for greater longevity. A high alumina ceramic insulator provides optimal thermal conductivity and dielectric strength, while the multi-rib insulator design prevents flash-over for reliable operation. With a mid-projection center electrode and platinum tips on both the center and ground electrodes, these plugs deliver consistent performance and efficiency. Backed by over a century of engineering expertise and a legacy of over 11 billion plugs sold, Autolite guarantees proven quality and reliability. Designed for performance-grade applications, these spark plugs are a smart upgrade over copper and standard platinum options, ensuring your engine runs smoothly and efficiently.

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.
  • Proven Quality: Backed by over 100 years of engineering expertise and over 11 billion plugs sold, Autolite delivers exceptional quality and performance.
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DENSO – Iridium Long-Life Spark Plug: OE Performance, SK20R11 (Part No.3297)

Iridium Long-Life Spark Plug: OE Performance, SK20R11

from

$14.49
Engineered to meet the highest OE standards for performance, durability, and emissions, this Iridium Long-Life Spark Plug is a game-changer for your vehicle’s ignition system. Featuring DENSO’s patented Iridium Alloy with a 90% Iridium fine wire center electrode and a platinum ground electrode, it delivers exceptional spark performance and longevity, lasting up to three times longer than conventional plugs. The 360-degree laser welding process ensures a robust bond and structural integrity, even under extreme conditions exceeding 4,000 Deg F. Designed for sustained performance over 100,000 miles, it enhances engine efficiency, providing more horsepower, quicker starts, and fewer misfires under heavy loads. Additionally, its advanced design promotes better fuel efficiency, making it a cost-effective choice for long-term use. With a flat seat type and premium materials, this spark plug is built to endure and optimize your driving experience.

Product Features:
  • Latest OE technology with DENSO’s patented Iridium Alloy (90 percent 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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Bosch – OE Fine Wire Double Iridium Spark Plug: High Performance & Longevity (Part No.9603)

OE Fine Wire Double Iridium Spark Plug: High Performance & Longevity

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$9.99
BOSCH OE Fine Wire Double Iridium. All iridium plugs are NOT created equal. Give your customers the only one engineered for both high performance and long life. The ultra fine wire design and laser welded, tapered ground electrode deliver the ultimate in ignitability and high performance. The iridium-alloy center electrode firing pin and laser welded ground electrode with iridium alloy inlay help it to go the distance.

Product Features:
  • Double Iridium electrodes iridium firing pin and iridium ground electrode inlay offer higher performance and 4 times longer life compared to standard copper spark plugs.
  • OE Fine Wire design requires up to 24% less voltage to ignite
  • 360 degree continuous laser welding increases durability for increased life
  • Copper core provides broader heat range to resist pre-ignition and fouling
  • Pre-gapped and nickel plated threads allow for quick installation without adjusting the gap or applying anti-seize
  • Tapered ground electrode allows for better ignition throughout the life of the spark plug
  • Customer satisfaction guarantee (visit www.boschautoparts.com/sparkplugs for details)
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DENSO – Double Platinum Spark Plug: OE Performance, lasts 60K+ Miles, PK20R11 (Part No.3128)

Double Platinum Spark Plug: OE Performance, lasts 60K+ Miles, PK20R11

from

$13.49
The Double Platinum Spark Plug is engineered to meet the highest OE standards for performance, durability, and emissions compliance. Featuring OE-grade platinum on both the center and ground electrodes, it ensures superior thermal conductivity and sustained spark performance for over 60,000 miles. Its premium shell construction with machine-rolled threads enhances durability and provides a secure fit, while the flat seat type ensures optimal compatibility. Designed to reduce secondary required voltage and increase ignition efficiency, this spark plug delivers reliable performance that minimizes shop comebacks and maximizes customer satisfaction. With its double platinum design, it offers exceptional longevity and consistent ignition, making it a dependable choice for maintaining your vehicle’s peak performance.

Product Features:
  • OE grade platinum on both center and ground electrodes
  • Premium shell construction with machine-rolled threads
  • Superior thermal conductivity
  • Sustained spark performance over 60,000 miles
  • Reduced secondary required voltage, increased ignition efficiency
  • Satisfied customers, reduced shop comebacks
  • Double Platinum
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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

from

$14.49
The Iridium Power Spark Plug features the world’s smallest Iridium Center Electrode at just 0.4mm, delivering unmatched spark precision for maximum combustion efficiency. Engineered with a patented 360-degree laser welding assembly process, this spark plug ensures exceptional durability and reliability under extreme conditions, withstanding temperatures exceeding 4000 Deg F. Its U-groove and taper-cut ground electrode design optimizes flame propagation, enhancing overall engine performance. The burnished nickel plating provides superior resistance to high temperatures and corrosion, ensuring long-lasting performance. Designed with a flat seat type and crafted from premium iridium material, this spark plug is built to deliver consistent energy and durability. With a wide range of part numbers available, it is compatible with thousands of applications, including classic and collector cars. Choose this spark plug for a perfect blend of cutting-edge technology, durability, and performance.

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 degree 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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ACDelco – Conventional Spark Plug (Part No.41-602)

Conventional Spark Plug

from

$5.99
ACDelco GM Original Equipment Conventional Spark Plugs are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These Conventional Spark Plugs are designed for reliability and efficient performance, and are a high quality replacement for many vehicles on the road today. Their high-quality copper cores and outstanding suppression characteristics deliver reliable performance. They are also available for Marine applications. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function. ACDelco GM Original Equipment parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional.

Product Features:
  • Black Onyx coating helps reduce corrosion
  • Copper core provides great heat transfer and helps maximize plug durability
  • Ribbed suppressor seal extends resistance and helps prevent spark ‘flash over’ and misfires
  • Nickel-chrome alloy sheathing helps prevent corrosion on center electrode
  • Available for use in Marine applications
  • Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional
  • ACDelco GM Original Equipment parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
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Autolite – Copper Resistor Spark Plug: Quick Starts & Reliable Performance (Part No.3923)

Copper Resistor Spark Plug: Quick Starts & Reliable Performance

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$4.49
Autolite Copper spark plugs are designed to provide reliable performance and quick starts, making them an essential choice for maintaining your vehicle’s efficiency. Featuring a copper core center electrode, these spark plugs excel in thermal control and resist fouling, ensuring consistent operation. The high nickel alloy center and ground electrodes are engineered for extended life, while the high alumina multi-rib ceramic insulator enhances thermal conductivity and insulation strength. With a nickel-plated shell, these plugs resist corrosion, offering durability for long-term use. The mid-projection standard center electrode design, combined with nickel tip materials, ensures optimal spark delivery. Designed with a gasket seat type and equipped with a resistor, these spark plugs meet regular-grade specifications, making them a dependable option for a wide range of applications.

Product Features:
  • The copper core center electrode aids in thermal control and improves resistance to fouling.
  • Its specially engineered high nickel alloy center and ground electrode provides extended life.
  • The high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength.
  • Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended periods.
  • The mid-projection standard center electrode design ensures precise spark delivery for consistent engine performance.
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Felpro – Spark Plug Tube Seal Set (Part No.ES 73110)

Spark Plug Tube Seal Set

from

$22.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

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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Victor Reinz – Spark Plug Tube Seal Set (Part No.15-11203-01)

Spark Plug Tube Seal Set

from

$22.99
Product Features:
  • Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
  • Dana engineering-approved for fit, form and function
  • Meets or exceeds OE specifications
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Victor Reinz – Spark Plug Tube Seal Set (Part No.15-54102-01)

Spark Plug Tube Seal Set

from

$39.99
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.

Product Features:
  • Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
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Felpro – Spark Plug Tube Seal Set (Part No.ES 72105)

Spark Plug Tube Seal Set

from

$35.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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Spark Plugs Brands You Can Trust For Your Lexus SC400

10 trusted brands of Spark Plugs line our shelves, ready to help keep your Lexus SC400 running smooth. Below are some of the most popular brands and their top Spark Plugs offerings:

Most Purchased Lexus SC400 Spark Plugs from DENSO

When you buy the most frequently purchased DENSO brand Spark Plugs, you can be confident it will be the right part for your Lexus SC400. Here are the DENSO Spark Plugs Advanced Auto customers buy the most:

FAQs for Lexus SC400 Spark Plugs

What are the most purchased Spark Plugs for the Lexus SC400?

Out of 30 Spark Plugs for the Lexus SC400, the most popular in our inventory are:

What are the top-rated Lexus SC400 Spark Plugs?

Top-rated Spark Plugs for your Lexus SC400 based on customer reviews/ratings are:
V-Power Nickel Spark Plug (BKR6E-11): Reliable Ignitability & Performance
from $7.49
(86)
V-Power Nickel Spark Plug (BKR6E-11): Reliable Ignitability & Performance
“Came pre gapped out of the box.”
Laser Iridium Spark Plug (IFR6T11): Superior Performance & Durability
from $17.99
(82)
Laser Iridium Spark Plug (IFR6T11): Superior Performance & Durability
“they created spark, what can i say”