2018 Infiniti Q50 Ignition and Tune-Up Products
Find Your Specific 2018 Infiniti Q50 Ignition and Tune-Up Products
Below you will find various in-demand Infiniti Ignition and Tune-Up Products, components and accessories for your 2018 Q50. Advance Auto Parts has popular Q50 parts like Spark Plugs, Ignition Sensors, Ignition Coils and Boots and more. You’ll also find aftermarket and OEM Ignition and Tune-Up Products for other Q50 model years including
2014,
2015,
2016,
2017,
2019,
2020 and more. Select a category of 2018 Infiniti Q50 Ignition and Tune-Up Products below and start saving instantly.
Popular 2018 Infiniti Q50 Ignition and Tune-Up Products Categories
Essential Ignition and Tune-Up Products for 2018 Infiniti Q50s
Hitachi – Ignition Coil Actual OE Part New (Part No.IGC0098)
from
$106.99
Hitachi’s Ignition Coils (IGCs) provide the needed energy for today’s high efficiency, high power vehicles. High quality materials ensure that even under the most extreme conditions, Hitachi’s IGCs will not deform or malfunction. Our ignition coils help to produce optimal engine efficiency resulting in reliable performance and gas mileage. Electronic connection points are welded to providing durability during heat cycles. Details such as materials, high turns ratios, and protected circuitry provide a durable and reliable product approved by OE manufacturers. Designed to meet the exact needs of each specific vehicle, Hitachi’s ignition coils are the premium choice.
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Product Features:
- Benefits of these quality Ignition Coils include efficient spark and reduced need for wires, long product life, and consistent voltage and amperage output.
Carquest Premium – Ignition Coil: Meets or Exceeds OE Specifications, 1 Count (Part No.EBC1019)
from
$75.99
Carquest Premium ignition coils meet or exceed original equipment (OE) specifications and are developed by top OE/OES manufacturers to ensure superior performance. All of our Carquest Premium ignition coils are developed by IATF 16949 certified manufacturers for consistent durability and long-lasting performance. These ignition coils use high-quality components and will utilize optimized designs on applications where the OE ignition coil had frequent failures. We require stringent testing standards to ensure proper fit and performance for each application and stand behind our Carquest Premium ignition coils with an industry-leading warranty. Carquest Premium ignition coils are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
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Product Features:
- Built by IATF 16949 certified manufacturers for consistent durability
- Coil drivers match OE for current limit, electrostatic discharge (ESD) protection and multi-spark
- Segmented secondary bobbins to distribute high voltage and prevent shorting
- Extensive design validation testing to ensure long-lasting reliability
- 100% end-of-line tested to ensure proper performance
- Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
Hitachi – Ignition Coil Actual OE Part – New (Part No.IGC0003)
from
$123.99
Hitachi’s Ignition Coils (IGCs) provide the needed energy for today’s high efficiency, high power vehicles. High quality materials ensure that even under the most extreme conditions, Hitachi’s IGCs will not deform or malfunction. Our ignition coils help to produce optimal engine efficiency resulting in reliable performance and gas mileage. Electronic connection points are welded to providing durability during heat cycles. Details such as materials, high turns ratios, and protected circuitry provide a durable and reliable product approved by OE manufacturers. Designed to meet the exact needs of each specific vehicle, Hitachi’s ignition coils are the premium choice.
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Product Features:
- Benefits of these quality Ignition Coils include efficient spark and reduced need for wires, long product life, and consistent voltage and amperage output.
Delphi – Ignition Coil (Part No.GN10430)
from
$137.99
Delphi OE technology ignition products are validated to match the vehicles system; OE quality replacement parts for the right fit , form and function; Delphi coils provide OE performance, durability and electromagnetic capacity level requirements.
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Product Features:
- Delphi coils provide OE performance, durability and electromagnetic capacity level requirements
- Delphi ignition coils are designed to operate as part of an integral engine management system to insert power into spark plugs and ensure fast starts; consistent engine performance and optimized fuel efficiency
- Delphi uses winding process techniques to control the length of wire between adjacent windings; that’s important since more length means greater voltage differences and can create more pressure that could break down the insulation and wire coating
- We back our ignition coil design with proven materials, such as high quality wires and wire coating that resists the cracks, pin holes and imperfections that most often lead to failure issues
Hitachi – Direct Ignition Coil – (Coil on Plug) (Part No.F3005340991HIT)
from
$146.48
The Hitachi Ignition Coil is a direct fit OEM replacement that contains the same high quality craftsmanship and materials as the original equipment it replaces.
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Product Features:
- OE-Equivalent and a direct fit application
- Enhances durability and increases energy transfer
- Reduces misfires, rough timing and intermittent starting
- High profile insulation to prevent arching
- Radio-Frequency Interference (RFI) Suppression
- Engineered to withstand extremes in temperatures
Carquest Premium – Ignition Coil: Meets or Exceeds Original Equipment Specifications, 1 Piece (Part No.EBC1334)
from
$147.99
Carquest Premium ignition coils meet or exceed original equipment (OE) specifications and are developed by top OE/OES manufacturers to ensure superior performance. All of our Carquest Premium ignition coils are developed by IATF 16949 certified manufacturers for consistent durability and long-lasting performance. These ignition coils use high-quality components and will utilize optimized designs on applications where the OE ignition coil had frequent failures. We require stringent testing standards to ensure proper fit and performance for each application and stand behind our Carquest Premium ignition coils with an industry-leading warranty. Carquest Premium ignition coils are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
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Product Features:
- Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the part design process ensures speed-to-market and a precise fit guaranteed.
- 100% pure copper precision-wound windings increase coil life and ensure reliability and maximum coil output when needed.
- Highly conductive aluminum alloy secondary terminal guarantees secondary coil terminals will not oxidize (rust), will provide excellent conductivity, extended coil life and will not cause excessive stress on the primary control circuit.
- 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
- 100% end-of-line tested to ensure confidence and product reliability, every time.
Carquest Premium – Ignition Coil: Meets or Exceeds Original Equipment Specifications, 1 Piece (Part No.EBE1145)
from
$79.99
Carquest Premium ignition coils meet or exceed original equipment (OE) specifications and are developed by top OE/OES manufacturers to ensure superior performance. All of our Carquest Premium ignition coils are developed by IATF 16949 certified manufacturers for consistent durability and long-lasting performance. These ignition coils use high-quality components and will utilize optimized designs on applications where the OE ignition coil had frequent failures. We require stringent testing standards to ensure proper fit and performance for each application and stand behind our Carquest Premium ignition coils with an industry-leading warranty. Carquest Premium ignition coils are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
Product Features:
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Product Features:
- Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the part design process ensures speed-to-market and a precise fit guaranteed.
- 100% pure copper precision-wound windings increase coil life and ensure reliability and maximum coil output when needed.
- Highly conductive aluminum alloy secondary terminal guarantees secondary coil terminals will not oxidize (rust), will provide excellent conductivity, extended coil life and will not cause excessive stress on the primary control circuit.
- 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
- 100% end-of-line tested to ensure confidence and product reliability, every time.
DENSO – Original Equipment Quality Direct Ignition Coil (Part No.673-4029)
from
$98.99
As the innovator and leader in stick coil technology, DENSO has conducted superior testing and inspection processes to insure the highest quality ignition coil. Don’t be fooled by imitations – look for the DENSO name to be sure you’re getting the best.
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Product Features:
- First Time Fit
- Built to DENSO Original Equipment Standards
Carquest Premium – Ignition Coil: Meets or Exceeds Original Equipment Specifications, 1 Piece (Part No.EBC1149)
from
$97.99
Carquest Premium ignition coils meet or exceed original equipment (OE) specifications and are developed by top OE/OES manufacturers to ensure superior performance. All of our Carquest Premium ignition coils are developed by IATF 16949 certified manufacturers for consistent durability and long-lasting performance. These ignition coils use high-quality components and will utilize optimized designs on applications where the OE ignition coil had frequent failures. We require stringent testing standards to ensure proper fit and performance for each application and stand behind our Carquest Premium ignition coils with an industry-leading warranty. Carquest Premium ignition coils are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
Product Features:
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Product Features:
- Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the part design process ensures speed-to-market and a precise fit guaranteed.
- 100% pure copper precision-wound windings increase coil life and ensure reliability and maximum coil output when needed.
- Highly conductive aluminum alloy secondary terminal guarantees secondary coil terminals will not oxidize (rust), will provide excellent conductivity, extended coil life and will not cause excessive stress on the primary control circuit.
- 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
- 100% end-of-line tested to ensure confidence and product reliability, every time.
Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.EKA1059)
from
$388.99
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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DENSO – Iridium Long-Life Spark Plug: Super Ignition, OE Performance, FXE24HR11 (Part No.3457)
from
$22.49
Manufactured to the strictest OE performance, durability and emissions standards.
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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)
- Enhanced Engine Efficiency: Enjoy more horsepower, faster and easier starts, and fewer misfires under heavy loads, ensuring better fuel conservation at all times.
Autolite – Double Platinum Spark Plug: Platinum Firing, Superior Durability, Longer Life (Part No.APP5682)
from
$5.99
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
DENSO – Iridium Long-Life Spark Plug: Super Ignition, OE Performance, FXE22HR11 (Part No.3442)
from
$21.49
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 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)
NGK – OE Series Laser Iridium High Ignitability Spark Plug: DFE Tip Design, DF8H-11B (Part No.90174)
from
$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
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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
NGK – OE Series Laser Iridium High Ignitability Spark Plug: DFE Tip Design, DILKAR7B11 (Part No.1406)
from
$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 durability. Iridium tipped center electrode provides durability six times harder than platinum. NGKs high grade pure alumina ceramic and 98 percent pure copper core prevents the spark plug from overheating while providing reliable starts. Laser Iridium High Ignitability spark plugs feature raised platinum pad or platinum fine wire tip on the ground electrode for even wear in distributorless ignition systems and improved spark performance.
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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
- Superior Durability: The iridium-tipped center electrode is six times harder than platinum, ensuring long-lasting performance and reliability.
- Enhanced Spark Performance: Features a raised platinum pad or platinum fine wire tip on the ground electrode for even wear and improved spark performance in distributorless ignition systems.
- Tested to High Standards: Laser Iridium High Ignitability spark plugs are tested to the highest standards to ensure quality and durability.
NGK – G-Power Spark Plug: Single Platinum Tip Design, LKAR7BGP (Part No.94297)
from
$6.79
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.
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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
NGK – Iridium IX Spark Plug: Single Iridium Fine Wire, LKAR7BIX-11S (Part No.93501)
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
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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 – Ruthenium HX High Ignitability Spark Plug: DFE Tip Design, LKAR7AHX-S (Part No.92274)
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.
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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
- Specialized OEM Tip Designs: Features DFE and PSPE tip designs for superior ignitability.
- Industry-Leading Durability: Ruthenium center electrode ensures exceptional durability.
Autolite Iridium – Iridium Ultra Finewire Spark Plug: Optimal Performance, Durability, Ignitability (Part No.AI5683)
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.
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Product Features:
- Autolite Iridium Ultra is an engineered OE replacement iridium spark plug.
- A laser-welded 0.5mm pure iridium finewire center electrode provides optimal fuel efficiency, acceleration and focused ignitability.
- Nickel-plated shell to resist corrosion.
- High-alumina ceramic insulator for increased strength.
- Laser welded 0.5mm Iridium finewire center electrode.
- Proprietary platinum sidewire technology.
- Superior Durability: Autolite Iridium Ultra Laser Finewire Spark Plugs are designed to last longer, providing extended service life compared to standard spark plugs.
- OE Fit and Function: Autolite Spark Plugs are the best alternative to original equipment (OE) spark plugs, offering perfect fit, form, and function for all foreign and domestic makes and models.
- High-Quality Construction: As a leading supplier of spark plugs globally, Autolite ensures the highest quality ignition products for both the automotive aftermarket and original equipment manufacturers.
- Value Pricing: Despite their advanced technology and superior performance, Autolite Iridium Ultra Laser Finewire Spark Plugs are available at a value price, making them an economical choice for vehicle maintenance.
NGK – Laser Iridium Spark Plug (Part No.F10001191230NGK)
from
$25.00
NGK’s Laser Iridium Spark Plugs Provide Superior Ignitability and Long Service Life. Fine Wire Iridium Tipped Center Electrode and Fine Wire Platinum Tipped Ground Electrode Ensures Slow Wear Rate Providing Stable Idle, Superior Anti Fouling, Improved Fuel Efficiency and Lower Emissions.
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Product Features:
- Trivalent Metal Plating Provides Superior Anti-Corrosion and Anti-Seizing Properties
- Corrugated Ribs Prevent Flashover
- Pure Alumina Silicate Ceramic Insulator, Provides Superior Strength and Better Heat Transfer
- Copper Core Aids in Heat Removal
- Triple Seals Prevent Leakage
Autolite Iridium – Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition (Part No.XP5683)
from
$9.99
Our best spark plug! Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, the Autolite Iridium XP spark plugs feature an iridium-enhanced 0.6mm finewire design and patented platinum sidewire technology to provide better overall durability and a more focused ignition for enhanced ignitability and performance. Features double Iridium-enhanced alloy technology center electrode for improved durability and wear resistance.
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Product Features:
- 0.6 mm finewire design improves ignitability
- Patented V-trimmed platinum sidewire technology resists wear
- OE equivalent design is engineered for every engine
- Designed for better overall durability with virtually no gap erosion
- Double Iridium-Enhanced Alloy Technology Center Electrode: Offers improved durability and wear resistance for a longer-lasting spark plug.
- Engineered in the USA: Designed with over 100 years of Autolite engineering experience for superior quality and performance.
- Proven Track Record: Part of a legacy with over 11 billion spark plugs sold, ensuring trusted performance and reliability.
NGK – Laser Iridium Spark Plug (Part No.F1000395915NGK)
from
$24.31
NGK’s Laser Iridium Spark Plugs Provide Superior Ignitability and Long Service Life. Fine Wire Iridium Tipped Center Electrode and Fine Wire Platinum Tipped Ground Electrode Ensures Slow Wear Rate Providing Stable Idle, Superior Anti Fouling, Improved Fuel Efficiency and Lower Emissions.
Product Features:
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Product Features:
- Trivalent Metal Plating Provides Superior Anti-Corrosion and Anti-Seizing Properties
- Corrugated Ribs Prevent Flashover
- Pure Alumina Silicate Ceramic Insulator, Provides Superior Strength and Better Heat Transfer
- Copper Core Aids in Heat Removal
- Triple Seals Prevent Leakage
DENSO – Iridium Long Life Spark Plug (Part No.F1000336992ND)
from
$26.06
The DENSO Iridium Long Life spark plug was specifically designed for long service life and consistent performance in the latest, most advanced production cars DENSO’s patented iridium alloy is more durable than even platinum, allowing the center electrode to be shrunk to only 0.7mm in diameter. This produces a dramatic improvement in ignitability and spark plug life. Closely related to platinum and exhibiting even tougher qualities, the rare metal iridium is an ideal material for spark plugs. A fine-wire, 0.7mm iridium center electrode is 360-degree laser welded in place using an exclusive DENSO process, and then matched to a platinum ground electrode. This pair of precision-formed, premium-metal electrodes dramatically extends the plug’s useful life.
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Product Features:
- Fine-wire iridium center electrode
- Platinum ground electrode
- 360 degree laser-welded spark tip
- Sustained spark performance over 100,000 miles
- Withstands higher pressures and temperatures
DENSO – Iridium Long Life Spark Plug (Part No.F100046532ND)
from
$27.97
The DENSO Iridium Long Life spark plug was specifically designed for long service life and consistent performance in the latest, most advanced production cars DENSO’s patented iridium alloy is more durable than even platinum, allowing the center electrode to be shrunk to only 0.7mm in diameter. This produces a dramatic improvement in ignitability and spark plug life. Closely related to platinum and exhibiting even tougher qualities, the rare metal iridium is an ideal material for spark plugs. A fine-wire, 0.7mm iridium center electrode is 360-degree laser welded in place using an exclusive DENSO process, and then matched to a platinum ground electrode. This pair of precision-formed, premium-metal electrodes dramatically extends the plug’s useful life.
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Product Features:
- Fine-wire iridium center electrode
- Platinum ground electrode
- 360 degree laser-welded spark tip
- Sustained spark performance over 100,000 miles
- Withstands higher pressures and temperatures
NGK – OE Series Laser Iridium High Ignitability Spark Plug: SPE Tip Design, SILZKFR8E7S (Part No.90654)
from
$19.79
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 durability. Iridium tipped center electrode provides durability six times harder than platinum. NGKs high grade pure alumina ceramic and 98 percent pure copper core prevents the spark plug from overheating while providing reliable starts. Laser Iridium High Ignitability spark plugs feature raised platinum pad or platinum fine wire tip on the ground electrode for even wear in distributorless ignition systems and improved spark performance.
Product Features:
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Product Features:
- ACTUAL OE or EQUIVALENT HIGH IGNITABILITY DESIGN: SPE tip & 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
- SPE DESIGN: 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: Best for vehicles with OE SPE iridium alloy plugs
- Superior Durability: The iridium-tipped center electrode is six times harder than platinum, ensuring long-lasting performance and reliability.
- Enhanced Spark Performance: Features a raised platinum pad or platinum fine wire tip on the ground electrode for even wear and improved spark performance in distributorless ignition systems.
- Quality Assurance: Tested to the highest standards to ensure quality and durability, providing peace of mind for your vehicle’s ignition system.
Autolite Iridium – Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition (Part No.XP5682)
from
$9.99
Our best spark plug! Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, the Autolite Iridium XP spark plugs feature an iridium-enhanced 0.6mm finewire design and patented platinum sidewire technology to provide better overall durability and a more focused ignition for enhanced ignitability and performance. Features double Iridium-enhanced alloy technology center electrode for improved durability and wear resistance.
Product Features:
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Product Features:
- 0.6 mm finewire design improves ignitability
- Patented V-trimmed platinum sidewire technology resists wear
- OE equivalent design is engineered for every engine
- Designed for better overall durability with virtually no gap erosion
- Double Iridium-Enhanced Alloy Technology Center Electrode: Improves durability and wear resistance for a longer-lasting spark plug.
- Engineered in the USA: Designed with over 100 years of Autolite engineering experience for superior quality and performance.
- Proven Track Record: Part of a legacy with over 11 billion spark plugs sold, ensuring trusted performance and reliability.
DENSO – Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, IXEH22TT (Part No.4712)
from
$10.99
Durability of an OE style plug combined with Power & Torque of high performance.
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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
- Enhanced Fuel Economy: Drive around the Earth over 4 times with lower emissions and better fuel economy, thanks to the advanced Twin-Tip Technology.
- Durable Materials: Constructed with an Iridium Center Electrode Tip and a Flat Seat Type, ensuring robust and reliable performance.
NGK – OE Series Laser Iridium High Ignitability Spark Plug: DFE Tip Design, DILKAR8K8G (Part No.96008)
from
$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:
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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
Upgrade your 2018 Infiniti Q50 with Top-Quality Ignition and Tune-Up Products
When it comes to maintaining or upgrading your 2018 Infiniti Q50, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Infiniti or enhancing its overall performance, Ignition and Tune-Up Products are key to keeping your Q50 functioning at its best. At Advance Auto Parts, we offer a wide selection of 8 Ignition and Tune-Up Products for the 2018 Infiniti Q50, designed to meet your needs without breaking the bank.
From
Spark Plug
replacements to
Ignition Sensors
upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.
Affordable Prices and Wide Selection
Shopping for Ignition and Tune-Up Products for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Ignition and Tune-Up Products for your 2018 Infiniti Q50 at great prices.
Our Ignition and Tune-Up Products inventory for this model
ranges from just $14.79 to $388.99, with
an average price of $117.14.
Our 8 Ignition and Tune-Up Products in stock come from 6 trusted brands, so you’re sure to find the right part for your 2018 Infiniti Q50 without overspending.
Top Brands and High Customer Satisfaction
Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 2018 Infiniti Q50, we stock popular OEM and aftermarket Ignition and Tune-Up Products from top names
like DENSO, and more.
DENSO Ignition and Tune-Up Products
start at just $22.49 and boast an impressive 5 stars average rating from customers.
With 11 customer reviews and counting, our 2018 Infiniti Q50 Ignition and Tune-Up Products have a strong track record of reliability, ensuring you can trust your purchase.
Explore Related Parts and More
While you’re here, don’t forget to check out other essential categories that go hand in hand with Ignition and Tune-Up Product upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants
and more to make sure your 2018 Infiniti Q50 is always ready to roll. We’re committed to providing you with everything you need to keep your Q50 in top shape, all in one place.
Start shopping confidently below for your 2018 Infiniti Q50!
Best-Selling Spark Plugs for 2018 Infiniti Q50s
Enhance the driving experience in your Infiniti with 3 quality Spark Plug components, starting at $14.79.
DENSO – Iridium Long-Life Spark Plug: Super Ignition, OE Performance, FXE24HR11 (Part No.3457)
from
$22.49
Manufactured to the strictest OE performance, durability and emissions standards.
Product Features:
See More
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)
- Enhanced Engine Efficiency: Enjoy more horsepower, faster and easier starts, and fewer misfires under heavy loads, ensuring better fuel conservation at all times.
NGK – Ruthenium HX High Ignitability Spark Plug: PSPE Tip Design, LKAR8BHX (Part No.91784)
from
$14.79
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:
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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
- Enhanced Fuel Burn: Provides a more complete fuel burn, resulting in quicker throttle response, smoother idle, and better cold starts.
- Industry-Leading Durability: Ruthenium center electrode ensures exceptional durability and longevity.
NGK – OE Series Laser Iridium High Ignitability Spark Plug: DFE Tip Design, DILKAR8K8G (Part No.96008)
from
$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:
See More
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
Most Popular 2018 Infiniti Q50 Ignition Sensors
Customize your Infiniti with 2 Ignition Sensors products
like Knock Sensors, all
priced under $388.99.
Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.EKA1059)
from
$388.99
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
See More
Worldpac – KNOCK SENSOR (Part No.F60204242914SII)
from
$135.99
KNOCK SENSOR
Top Picks for 2018 Infiniti Q50 Ignition Coils and Boots
Upgrade Infiniti Q50s with top-quality Ignition Coils and Boots parts, including 3 OEM and aftermarket selections for your 2018 model.
Carquest Premium – Ignition Coil: Meets or Exceeds Original Equipment Specifications, 1 Piece (Part No.EBC1334)
from
$147.99
Carquest Premium ignition coils meet or exceed original equipment (OE) specifications and are developed by top OE/OES manufacturers to ensure superior performance. All of our Carquest Premium ignition coils are developed by IATF 16949 certified manufacturers for consistent durability and long-lasting performance. These ignition coils use high-quality components and will utilize optimized designs on applications where the OE ignition coil had frequent failures. We require stringent testing standards to ensure proper fit and performance for each application and stand behind our Carquest Premium ignition coils with an industry-leading warranty. Carquest Premium ignition coils are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
Product Features:
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Product Features:
- Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the part design process ensures speed-to-market and a precise fit guaranteed.
- 100% pure copper precision-wound windings increase coil life and ensure reliability and maximum coil output when needed.
- Highly conductive aluminum alloy secondary terminal guarantees secondary coil terminals will not oxidize (rust), will provide excellent conductivity, extended coil life and will not cause excessive stress on the primary control circuit.
- 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
- 100% end-of-line tested to ensure confidence and product reliability, every time.
Hitachi – Ignition Coil Actual OE Part New (Part No.IGC0098)
from
$106.99
Hitachi’s Ignition Coils (IGCs) provide the needed energy for today’s high efficiency, high power vehicles. High quality materials ensure that even under the most extreme conditions, Hitachi’s IGCs will not deform or malfunction. Our ignition coils help to produce optimal engine efficiency resulting in reliable performance and gas mileage. Electronic connection points are welded to providing durability during heat cycles. Details such as materials, high turns ratios, and protected circuitry provide a durable and reliable product approved by OE manufacturers. Designed to meet the exact needs of each specific vehicle, Hitachi’s ignition coils are the premium choice.
Product Features:
See More
Product Features:
- Benefits of these quality Ignition Coils include efficient spark and reduced need for wires, long product life, and consistent voltage and amperage output.
Autopart International Inc – Ignition Coil (Part No.F30002973713API)
from
$92.86
Ignition Coil
Top-Rated Ignition and Tune-Up Products Brands For Your 2018 Infiniti Q50
Shop for the best-rated brands offering Ignition and Tune-Up Products and other products for your 2018 Infiniti Q50s. Below you’ll find some of our best rated Ignition and Tune-Up Products from DENSO, and more. Ignition and Tune-Up Products from these brands that fit a 2018 Q50 start at just $22.49 and are rated as high as 5 stars. OEM and aftermarket Ignition and Tune-Up Products don’t get more top quality, durable, and affordable than from the brands below.
Popular DENSO 2018 Infiniti Q50 Ignition and Tune-Up Products
When it comes to maintaining or upgrading your 2018 Infiniti Q50, using quality Ignition and Tune-Up Products is essential to ensure durability and a perfect fit. DENSO ticks all of those boxes. We offer a wide selection of DENSO Ignition and Tune-Up Products, specifically designed for the 2018 Infiniti Q50. With over 1 DENSO brand Ignition and Tune-Up Products in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $22.49. Plus, with over 11 customer reviews and an average rating of 5 stars, you can trust that our DENSO Ignition and Tune-Up Products will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.
from
$22.49
$22.49
(11)
Iridium Long-Life Spark Plug: Super Ignition, OE Performance, FXE24HR11
“These plugs are great, easy swap out and car felt like new again. Definitely picked up some power and response once I changed out the plugs. Would hig”
FAQs for 2018 Infiniti Q50 Ignition and Tune-Up Products
Which Ignition and Tune-Up Products are best-sellers for 2018 Infiniti Q50s?
Out of 8 Ignition and Tune-Up Products that fit 2018 Infiniti Q50s, the following parts are the top sellers:
- Ruthenium HX High Ignitability Spark Plug: PSPE Tip Design, LKAR8BHX (12069658) – $14.79
- OE Series Laser Iridium High Ignitability Spark Plug: DFE Tip Design, DILKAR8K8G (12112299) – $26.99
- KNOCK SENSOR (50221960) – $135.99
What’s the price range for 2018 Infiniti Q50 Ignition and Tune-Up Products?
Ignition and Tune-Up Product prices for the 2018 Infiniti Q50 start at $14.79 and go up to $388.99 for the most premium parts.
What’s the average price of a Ignition and Tune-Up Product for a 2018 Infiniti Q50?
The average price for Ignition and Tune-Up Products for the 2018 Infiniti Q50 is $117.14. Keep in mind the variety of part types within our Ignition and Tune-Up Product category so you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Ignition and Tune-Up Products for other Infiniti Q50 model years?
What are the cheapest Ignition and Tune-Up Products for my 2018 Infiniti Q50?
The cheapest 2018 Infiniti Q50 Ignition and Tune-Up Products we carry in stock are:
- Ruthenium HX High Ignitability Spark Plug: PSPE Tip Design, LKAR8BHX (12069658) – $14.79
- Iridium Long-Life Spark Plug: Super Ignition, OE Performance, FXE24HR11 (10576977) – $22.49
- OE Series Laser Iridium High Ignitability Spark Plug: DFE Tip Design, DILKAR8K8G (12112299) – $26.99
- Ignition Coil (12589835) – $92.86
- Ignition Coil Actual OE Part New (12483270) – $106.99
What are the top-rated Ignition and Tune-Up Products that fit the 2018 Infiniti Q50?
Out of 11 reviews by customers, our 2018 Infiniti Q50 Ignition and Tune-Up Products have an average customer rating of . These are some of the highest-rated Ignition and Tune-Up Product types for the 2018 Infiniti Q50 and their top-rated products:
- Spark Plugs
- Iridium Long-Life Spark Plug: Super Ignition, OE Performance, FXE24HR11 (10576977) – $22.49
What types of Ignition and Tune-Up Products do you sell for my 2018 Infiniti Q50?
As of 2/5/25, these are some of the most in-demand types of Ignition and Tune-Up Products for a 2018 Infiniti Q50:
Can I get help with 2018 Infiniti Q50 Ignition and Tune-Up Product orders?
Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about Infiniti Ignition and Tune-Up Products and more.
What is your return policy for Infiniti Q50 Ignition and Tune-Up Products?
Advance Auto Parts keeps returns simple. For new Infiniti Q50 Ignition and Tune-Up Products and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.
