Infiniti Q40 Spark Plugs
Your One-Stop Shop For Trusted Infiniti Q40 Spark Plugs
If you’re in search of Infiniti Q40 Spark Plugs aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 7 Spark Plugs from top brands with prices ranging from $5.99 to $26.99.
Beyond great prices, we stock trusted brands manufacturing all types of Spark Plugs for your Infiniti Q40. Of the 3 OEM and aftermarket parts brands we carry, some of the most popular are Autolite, NGK, and DENSO.
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 Infiniti Q40 Spark Plugs below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.
Essential Infiniti Q40 Spark Plugs
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.
NGK – OE Series Laser Iridium High Ignitability Spark Plug: DFE Tip Design, DF8H-11B (Part No.90174)
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$26.99
NGK Laser Iridium High Ignitability spark plugs offer the best combination of performance and longevity. Engineered specifically for OE applications, Laser Iridium High Ignitability spark plugs are tested to the highest standards to ensure quality and dur
Product Features:
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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
Autolite Iridium – Iridium Ultra Finewire Spark Plug: Optimal Performance, Durability, Ignitability (Part No.AI5682)
from
$10.99
Autolite Iridium Ultra Laser Finewire Spark Plugs are one of our brand’s most technologically advanced products. These spark plugs provide superior durability, more focused ignition with better overall ignitability for optimum performance. Autolite Spark Plugs are the best alternative to OE spark plugs, offering OE fit form and function supporting all foreign and domestic makes and models at a value price. Autolite provides the automotive aftermarket and original equipment manufacturers with the highest quality ignition products and is the leading supplier of spark plugs in the world.
Product Features:
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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.
NGK – Laser Iridium Spark Plug (Part No.F10001191230NGK)
from
$22.53
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: Super Ignition, OE Performance, last 100K+ Miles, FXE24HR11 (Part No.3457)
from
$22.49
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)
- 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.
Product Features:
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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 – 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.
Infiniti Q40 Spark Plugs List
Spark Plugs Brands You Can Trust For Your Infiniti Q40
3 trusted brands of Spark Plugs line our shelves, ready to help keep your Infiniti Q40 running smooth. Below are some of the most popular brands and their top Spark Plugs offerings:
Popular NGK Spark Plugs
NGK products for the Infiniti Q40 span several categories. Some of the highest-rated NGK Spark Plugs that will fit your Infiniti Q40 are:
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$26.99
(1)
OE Series Laser Iridium High Ignitability Spark Plug: DFE Tip Design, DF8H-11B
Spark Plugs
Top Infiniti Q40 Spark Plugs from Autolite Iridium
Your Infiniti Q40 will be purring again thanks to Autolite Iridium brand Spark Plugs available for online order or in-store pick up. Popular Autolite Iridium parts include:
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$9.99
(21)
Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition
Spark Plugs
from
$5.99
(1)
Double Platinum Spark Plug: Platinum Firing, Superior Durability, Longer Life
Spark Plugs
Most Purchased Infiniti Q40 Spark Plugs from Autolite Iridium
When you buy the most frequently purchased Autolite Iridium brand Spark Plugs, you can be confident it will be the right part for your Infiniti Q40. Here are the Autolite Iridium Spark Plugs Advanced Auto customers buy the most:
from
$9.99
(21)
Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition
Spark Plugs
from
$22.49
(11)
Iridium Long-Life Spark Plug: Super Ignition, OE Performance, last 100K+ Miles, FXE24HR11
Spark Plugs
from
$26.99
(1)
OE Series Laser Iridium High Ignitability Spark Plug: DFE Tip Design, DF8H-11B
Spark Plugs
FAQs for Infiniti Q40 Spark Plugs
What are the most purchased Spark Plugs for the Infiniti Q40?
Out of 7 Spark Plugs for the Infiniti Q40, the most popular in our inventory are:
from
$10.99
This product is not rated
Iridium Ultra Finewire Spark Plug: Optimal Performance, Durability, Ignitability
Spark Plugs
from
$22.49
(11)
Iridium Long-Life Spark Plug: Super Ignition, OE Performance, last 100K+ Miles, FXE24HR11
Spark Plugs
from
$14.79
This product is not rated
Ruthenium HX High Ignitability Spark Plug: PSPE Tip Design, LKAR8BHX
Spark Plugs
