Lexus SC400 Spark Plugs
Your Lexus SC400 will be happy to know that the search for the right Spark Plugs you’ve been looking for is over! Advance Auto Parts has 29 different Spark Plugs for your vehicle, ready for shipping or in-store pick up. The best part is, our Lexus SC400 Spark Plugs start from as little as $1.99.
When it comes to your Lexus SC400, you want parts and products from only trusted brands. Here at Advance Auto Parts, we work with only top reliable Spark Plugs brands so you can shop with complete confidence. Some of our top Spark Plugs brands are Autolite and DENSO. We’re sure you will get the right product to keep that SC400 running for a long time.
We even have reviews of our OEM and aftermarket Spark Plugs products to help you buy with confidence. Hear from other customers via the 13,527 reviews on parts for your Lexus SC400.
Shop online, find the best price on the right product, and have it shipped right to your door. If you prefer to shop in person for the right Spark Plugs for your SC400, visit one of our local Advance Auto Parts locations and you’ll be back on the road in no time!
Compare 25 Lexus Spark Plugs
DENSO – Iridium Long-Life Spark Plug: OE Performance, last 100K+ Miles, SK20R11 (Part No.3297)
from
$10.79
Manufactured to the strictest OE performance, durability and emissions standards.
Product Features:
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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.
NGK – Iridium IX Spark Plug: Single Iridium Fine Wire, BKR5EIX-11 (Part No.5464)
from
$10.99
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:
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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 enhanced 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.
DENSO – Iridium Long-Life Spark Plug: OE Performance, last 100K+ Miles, SK20HR11 (Part No.3421)
from
$11.49
Manufactured to the strictest OE performance, durability and emissions standards.
Product Features:
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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: Experience better conservation of fuel at all times, contributing to overall vehicle efficiency and cost savings.
NGK – G-Power Spark Plug: Single Platinum Tip Design, BKR6EGP (Part No.7092)
from
$6.29
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
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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
Autolite – Platinum Spark Plug: Fires Cleaner, Easier Starts, Quicker Acceleration (Part No.AP3924)
from
$4.79
Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, Autolite Platinum spark plugs provide a center wire platinum firing tip which provides reduced gap erosion, fewer misfires, better performance and increased durability. Consider upgrading to Autolite Double Platinum or Iridium XP spark plugs for increased performance.
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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)
NGK – Iridium IX Spark Plug: Single Iridium Fine Wire, BKR6EIX-11 (Part No.3764)
from
$11.99
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 c
Product Features:
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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
NGK – OE Series V-Power Nickel Spark Plug: V-Groove Tip Design, BKR6E-11 (Part No.2756)
from
$4.99
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
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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
DENSO – Iridium Long-Life Spark Plug: Super Ignition, OE Performance, last 100K+ Miles, FK20HR11 (Part No.3426)
from
$16.99
Manufactured to the strictest OE performance, durability and emissions standards.
Product Features:
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Product Features:
- Latest OE technology with DENSO’s patented Iridium Alloy (90% Ir) and fine wire center electrode
- Platinum Needle Tip Ground Electrode: Promotes higher spark energy and less heat quenching
- 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 (SIP)
DENSO – Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, last 100K+ Miles, IK16TT (Part No.4701)
from
$10.99
Durability of an OE style plug combined with Power & Torque of high performance.
Product Features:
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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.
Autolite – Double Platinum Spark Plug: Platinum Firing, Superior Durability, Longer Life (Part No.APP3924)
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.
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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
NGK – G-Power Spark Plug: Single Platinum Tip Design, BKR5EGP (Part No.7090)
from
$6.29
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:
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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
DENSO – Iridium Long-Life Spark Plug: OE Performance, last 100K+ Miles, SK16R11 (Part No.3324)
from
$10.79
Manufactured to the strictest OE performance, durability and emissions standards.
Product Features:
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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
NGK – OE Series Laser Iridium Spark Plug: Fine Wire Tip Design, IFR6T11 (Part No.4589)
from
$12.99
Often specified as original equipment, NGK Laser Iridium spark plugs are the best combination of performance and longevity. Iridium tip is six (6) times harder than platinum providing the strongest ignitability and the longest life possible. Most Laser Iridium spark plugs feature a platinum pad on the ground electrode for even wear in DIS ignition systems. OE engineered for specific vehicle applications.
Product Features:
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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
- High-Grade Pure Alumina Ceramic: Prevents overheating and ensures reliable starts, enhancing overall engine performance.
- Platinum Pad on Ground Electrode: Ensures even wear in distributorless ignition systems, contributing to consistent performance.
NGK – Dependable Ignition with Nickel Alloy Spark Plug (Part No.3967)
from
$6.99
NGK Standard spark plugs (in the iconic NGK ‘yellow box’ packaging) are a proven OE cornerstone and technology customers have relied on for decades. Engineered specifically for OE applications, NGK Standard spark plugs provide OE quality nickel alloy reli
Product Features:
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Product Features:
- ACTUAL OE or EQUIVALENT DESIGN: OEM quality construction nickel alloy center electrode 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
NGK – OE Series Standard Nickel Spark Plug: Conventional Tip Design, BKR6ES-11 (Part No.5553)
from
$4.99
NGK Standard spark plugs (in the iconic NGK ‘yellow box’ packaging) are a proven OE cornerstone and technology customers have relied on for decades. Engineered specifically for OE applications, NGK Standard spark plugs provide OE quality nickel alloy reliable performance and design. NGK’s legendary high grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance, while triple gasket sealing prevents combustion gas leakage. Solid 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges. Trivalent metal plating ensures superior anti-corrosion and anti-seizing properties.
Product Features:
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Product Features:
- ACTUAL OE or EQUIVALENT DESIGN: OEM quality construction nickel alloy center electrode 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
- Triple Gasket Sealing: Prevents combustion gas leakage, ensuring efficient engine performance.
DENSO – Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, last 100K+ Miles, IKBH20TT (Part No.4705)
from
$13.49
Durability of an OE style plug combined with Power & Torque of high performance.
Product Features:
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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
NGK – OE Series Standard Nickel Spark Plug: Conventional Tip Design, BKR5ES-11 (Part No.2382)
from
$4.29
NGK Standard spark plugs (in the iconic NGK ‘yellow box’ packaging) are a proven OE cornerstone and technology customers have relied on for decades. Engineered specifically for OE applications, NGK Standard spark plugs provide OE quality nickel alloy reli
Product Features:
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Product Features:
- ACTUAL OE or EQUIVALENT DESIGN: OEM quality construction nickel alloy center electrode 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
DENSO – Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, last 100K+ Miles, IKH20TT (Part No.4704)
from
$10.99
Durability of an OE style plug combined with Power & Torque of high performance.
Product Features:
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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
DENSO – U-Groove Spark Plug: OE Performance, lasts 30K+ Miles, K16TR11 (Part No.3194)
from
$5.29
OE Performance, lasts 30K+ Miles, K16TR11. The unique U-Groove ground electrode is one of the finest features of DENSO spark plugs, developed to meet the demand for improved ignitability, necessary for increased efficiency in emission gas purification and fuel consumption. This OEM specified special ground electrode configuration, combined with precision machine-rolled threads, reduces seizing and cross-threading in delicate aluminum heads. 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 and are 100% pre-fired to assure reliable operation. The center electrode tip is made of durable nickel, and the flat seat type ensures a secure fit.
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Product Features:
- OEM specified special ground electrode configuration
- 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
- Unique U-Groove Ground Electrode: Developed to enhance ignitability, improving efficiency in emission gas purification and fuel consumption.
- Durable Nickel Center Electrode Tip: Ensures long-lasting performance and reliability, withstanding high temperatures and wear.
DENSO – Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IK20 (Part No.5304)
from
$11.79
Increased performance with World’s smallest Iridium Center Eletrode (0.4mm).
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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
DENSO – Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IK16 (Part No.5303)
from
$11.79
Increased performance with World’s smallest Iridium Center Eletrode (0.4mm).
Product Features:
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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: Engineered for maximum performance under extreme conditions, this spark plug delivers more horsepower, faster and easier starts, and fewer misfires under heavy loads.
- Enhanced Fuel Efficiency: Thanks to its advanced design and patented technology, the Iridium Power plug improves fuel efficiency, making it an economical choice for your vehicle.
- Low Voltage Requirement: The DENSO Iridium Power spark plug requires 5,000 volts less to fire compared to conventional spark plugs, ensuring reliable ignition with lower energy consumption.
- Durable Iridium Material: Constructed with a durable iridium center electrode tip and a flat seat type, this spark plug offers long-lasting performance and reliability.
NGK – OE Series V-Power Nickel Spark Plug: V-Groove Tip Design, BKR5EYA (Part No.2087)
from
$4.79
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:
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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 OE applications, ensuring compatibility and reliable performance.
- V-Groove Tip Design: The unique V-groove tip design enhances ignitability and overall engine performance.
Champion – Double Platinum & Power Spark Plug Exceptional Perf OE Replacement RC10PLPB4 (Part No.7436)
from
$9.49
Champion® Double Platinum Power¿ spark plugs deliver more powerful performance. Featuring exclusive Heat-Active¿ alloy, platinum fine wire center electrode and platinum pad ground electrode provide maximum life and sharper spark focus.
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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
NGK – Ruthenium HX High Ignitability Spark Plug: DFE Tip Design, FR6AHX-S (Part No.94279)
from
$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 t
Product Features:
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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
Champion – Platinum Power Spark Plug: Powerful Perfromance, OE Replacement, RC12PMC4 (Part No.3318)
from
$5.29
Champion® Platinum Power™ spark plugs deliver powerful performance. Made from exclusive Heat-Active™ alloy, a fine-wire center electrode and V-trimmed ground electrode provides sharp spark focus.
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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
FAQs for Lexus SC400 Spark Plugs
What are the most popular Spark Plugs for the Lexus SC400?
With 6 brands you can trust, our most popular Spark Plugs for the Lexus SC400 are:
from
$10.99
(153)
Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, last 100K+ Miles, IK20TT
Spark Plugs
from
$10.79
(233)
Iridium Long-Life Spark Plug: OE Performance, last 100K+ Miles, SK20R11
Spark Plugs
from
$9.99
(141)
Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition
Spark Plugs
What are the best aftermarket Spark Plugs for the Lexus SC400?
See what past customers had to say about our highest-rated Spark Plugs for the Lexus SC400:
from
$4.79
(149)
Platinum Spark Plug: Fires Cleaner, Easier Starts, Quicker Acceleration
“Worked great. OEM quality”
from
$11.99
(113)
Iridium IX Spark Plug: Single Iridium Fine Wire, BKR6EIX-11
“Great plugs, great price!”
from
$4.99
(86)
OE Series V-Power Nickel Spark Plug: V-Groove Tip Design, BKR6E-11
“Came pre gapped out of the box.”
Find Your Lexus SC400 Spark Plugs by Year
People also search Advance Auto for these popular years of Lexus SC400 parts:
