Spark Plug for 2008-2013 Infiniti G37 & More - NGK 90174

$23.99
NGK Spark Plug 90174
NGK Spark Plug 90174

Vehicles this part fits
    Part number: 90174
    UPC: 087295901748
    Condition: New
    Weight: 0.10 LBS
    Item Package Quantity: 1
    $23.99
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    NGK Spark Plug P/N:90174
    NGK Spark Plug P/N:90174
    $23.99
    $23.99

    NGK 90174 spark plug for the 2008-2013 Infiniti G37 V6 3.7L and other vehicles ignites the air-fuel charge in one cylinder. Among NGK spark plugs it is engineered specifically for OE applications.

    • Laser Iridium High Ignitability line with a Dual Fine Electrode (DFE) tip and an iridium alloy center electrode
    • Iridium is six times as dense as platinum and has an extremely high melting point
    • Double fine electrode with a platinum pin that helps with fuel burn, throttle response, idle and cold starts
    • Solid copper core of 98% pure copper for heat dissipation and conductivity
    • Trivalent metal plating that resists corrosion and seizing for ease of installation and removal

    Quick facts

    • Part: NGK 90174 spark plug
    • Fits: 2008-2013 Infiniti G37 V6 3.7L and other vehicles
    • Condition: New

    A worn plug can show up as hard starting, a rough idle or a misfire. Before you replace the plugs, rule out a failing ignition coil or a fuel problem, because either one can produce a misfire on its own. The V6 3.7L takes six plugs, one per cylinder.

    Fits

    Listed for a wide range of Infiniti and Nissan models, it is a spark plug for the 2014-2015 Infiniti Q50 V6 3.7L and the 2009-2021 Nissan 370Z V6 3.7L. If your car is not named here, look up its year and engine under the "Vehicles it fits" section.

    Specifications

    Fit and size

    • Quantity per vehicle: 6
    • Thread size: M12 - 1.25

    Build and materials

    • Type: Laser Iridium High Ignitability, Dual Fine Electrode (DFE)
    • Metallurgy: iridium, platinum
    • Center electrode: iridium alloy
    • Core: 98% pure copper
    • Plating: trivalent metal
    • Condition: New
    • NGK service number: DF8H-11B

    Interchange: DF8H-11B · 22401-JK01D
    AI5682 · APP5682 · XP5682

    This part cross-references / interchanges with the following part numbers:

    AI5682, APP5682, XP5682, 90174, DF8H-11B, 22401JK01D, 22401-JK01D

    Frequently Asked Questions

    Is this the right G37 spark plug for a 2008-2013 Infiniti G37 V6 3.7L?

    Yes. NGK 90174 is listed for the 2008-2013 Infiniti G37 V6 3.7L, which takes six plugs. For other cars, check the "Vehicles it fits" section.

    What is the electrode setup on these NGK iridium spark plugs?

    NGK 90174 pairs an iridium alloy center electrode with a Dual Fine Electrode (DFE) design that uses a platinum pin.

    What thread size does the NGK 90174 have?

    The NGK 90174 thread is M12 - 1.25. Its core is 98% pure copper.

    How do I know when this iridium spark plug is wearing out?

    Hard starting, a rough idle or a misfire can mean a plug is worn. A shop can test the ignition system to confirm it.

    Is the NGK 90174 the same plug as DF8H-11B?

    Yes. DF8H-11B is another number listed for this plug, and it is printed on the Interchange line with the other cross-references.

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