Spark Plug for 2006-2015 Mazda MX-5 Miata - NGK 91725

$14.99
NGK Spark Plug 91725
NGK Spark Plug 91725

Vehicles this part fits
    Part number: 91725
    UPC: 087295917251
    Condition: New
    Weight: 0.11 LBS
    Item Package Quantity: 1
    $14.99
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    NGK Spark Plug P/N:91725
    NGK Spark Plug P/N:91725
    $14.99
    $14.99

    NGK 91725 spark plug for the 2006-2015 Mazda MX-5 Miata 4-cylinder 2.0L fires the spark that ignites the air-fuel mixture in each cylinder. Among NGK spark plugs, this Laser Iridium plug has a fine wire iridium alloy center electrode.

    • NGK Laser Iridium series spark plug
    • Fine wire iridium alloy center electrode; iridium is 6x as dense as platinum and has a very high melting point
    • Solid copper core, 98% pure, for heat dissipation and conductivity
    • High grade pure alumina ceramic insulator
    • Trivalent metal plating with anti-corrosion and anti-seizing properties for easier installation and removal

    Quick facts

    • Part: NGK 91725 spark plug
    • Fits: 2006-2015 Mazda MX-5 Miata 4-cylinder 2.0L
    • Condition: New

    A weak ignition coil, a dirty fuel injector or a vacuum leak can sit behind hard starting, a rough idle or a misfire just as worn plugs can, so find the cause before you buy new plugs.

    Fits

    This plug fits the 2006-2015 Mazda MX-5 Miata 4-cylinder 2.0L, which takes four.

    Specifications

    Fit and size

    • Quantity per vehicle: 4
    • Thread size: M14 - 1.25

    Build and materials

    • Center electrode: fine wire iridium alloy
    • Metallurgy: single iridium
    • Core: 98% pure copper
    • Insulator: pure alumina ceramic
    • Plating: trivalent metal
    • Condition: new
    • NGK part number: LTR6BI-13

    Interchange: LTR6BI-13

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

    LTR6BI-13

    Frequently Asked Questions

    Is this a Mazda MX-5 Miata spark plug for the 2006-2015 4-cylinder 2.0L engine?

    Yes. NGK 91725 fits the 2006-2015 Mazda MX-5 Miata 4-cylinder 2.0L, and that car takes four plugs.

    Are these NGK iridium spark plugs fine wire?

    Yes. The center electrode is a fine wire iridium alloy, and the metallurgy is listed as single iridium.

    What thread size does the NGK 91725 spark plug have?

    The NGK 91725 has an M14 - 1.25 thread.

    Does this Laser Iridium plug have a copper core?

    Yes. It has a solid 98% pure copper core for heat dissipation and conductivity, and the insulator is pure alumina ceramic.

    Is NGK LTR6BI-13 the same plug as 91725?

    Yes. NGK lists this plug under both 91725 and LTR6BI-13, so either number finds the same part.

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