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 8 Spark Plugs from top brands with prices ranging from $8.49 to $35.99.

Beyond great prices, we stock trusted brands manufacturing all types of Spark Plugs for your Infiniti Q40.

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.

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Essential Infiniti Q40 Spark Plugs

NGK – NGK Laser Iridium Spark Plug (DF8H-11B): High Ignitability & Durability, 90174 (Part No.90174)

NGK Laser Iridium Spark Plug (DF8H-11B): High Ignitability & Durability, 90174

from

$35.99
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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Autolite Iridium – Autolite Iridium Iridium Ultra Fine Wire Spark Plug: Laser Welded for Precision, AI5702 (Part No.AI5702)

Autolite Iridium Iridium Ultra Fine Wire Spark Plug: Laser Welded for Precision, AI5702

from

$11.49
Autolite Iridium Ultra Laser Fine wire 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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NGK – NGK Ruthenium HX Spark Plug (LKAR8BHX): High Ignitability & Durability, 91784 (Part No.91784)

NGK Ruthenium HX Spark Plug (LKAR8BHX): High Ignitability & Durability, 91784

from

$17.49
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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Autolite Iridium – Autolite Iridium Iridium Ultra Fine Wire Spark Plug: Laser Welded for Precision Ignition, AI5682 (Part No.AI5682)

Autolite Iridium Iridium Ultra Fine Wire Spark Plug: Laser Welded for Precision Ignition, AI5682

from

$11.49
Autolite Iridium Ultra Laser Fine wire 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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DENSO – DENSO Iridium Long-Life Spark Plug: Super Ignition, OE Performance, FXE24HR11, 3457 (Part No.3457)

DENSO Iridium Long-Life Spark Plug: Super Ignition, OE Performance, FXE24HR11, 3457

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$31.49
Manufactured to the strictest OE performance, durability and emissions standards.
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Champion – Champion Double Platinum Power Spark Plug REA4PMPB4 – Enhanced Durability & Performance, 7445 (Part No.7445)

Champion Double Platinum Power Spark Plug REA4PMPB4 - Enhanced Durability & Performance, 7445

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$8.49
Champion Double Platinum Power spark plugs combine a platinum fine-wire center electrode with platinum center and ground electrodes and exclusive Heat-Active alloy, ensuring powerful performance, longer service life and precise spark focus for optimal combustion. Champion your engine with spark plugs engineered to improve efficiency and keep your vehicle running at its best.
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Autolite – Autolite Double Platinum Spark Plug: Enhanced Durability & Performance, APP5682 (Part No.APP5682)

Autolite Double Platinum Spark Plug: Enhanced Durability & Performance, APP5682

from

$10.99
Double Platinum Spark Plug: Enhanced Durability & Performance is engineered for exceptional reliability and efficiency, making it a top choice for distributor-less ignition system (DIS) engines. Featuring a platinum-to-platinum design, it minimizes gap erosion and reduces misfires, ensuring a longer service life compared to copper and standard platinum plugs. The yttrium-enhanced ground electrode delivers superior heat transfer, providing unmatched durability under high temperatures and pressure. Its high alumina ceramic insulator optimizes thermal conductivity and dielectric strength, while the multi-rib insulator prevents flash-over for consistent performance. With a mid-projection center electrode and flat seat type, this performance-grade spark plug is designed to meet demanding engine requirements. Both the center and ground electrode tips are crafted from platinum, ensuring reliable ignition and enhanced durability. Whether you’re seeking improved engine efficiency or reduced maintenance, this spark plug delivers superior value and performance.
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Autolite Iridium – Autolite Iridium Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition, XP5682 (Part No.XP5682)

Autolite Iridium Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition, XP5682

from

$11.49
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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Spark Plugs Brands You Can Trust For Your Infiniti Q40

4 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:

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:

FAQs for Infiniti Q40 Spark Plugs

What are the most purchased Spark Plugs for the Infiniti Q40?

Out of 8 Spark Plugs for the Infiniti Q40, the most popular in our inventory are: