Spark Plug for 2006-2010 Kia Optima & More - NGK 1637

$15.99
NGK Spark Plug 1637
NGK Spark Plug 1637

Vehicles this part fits
    Part number: 1637
    UPC: 087295116371
    Condition: New
    Weight: 0.12 LBS
    Item Package Quantity: 1
    $15.99
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    NGK Spark Plug P/N:1637
    NGK Spark Plug P/N:1637
    $15.99
    $15.99

    NGK 1637 spark plug for the 2006-2010 Kia Optima V6 2.7L and other vehicles ignites the air-fuel mixture in a cylinder. Like other NGK spark plugs, it is made for engines that call for fine wire iridium alloy plugs.

    • Part of the NGK Laser Iridium line
    • Fine wire iridium alloy center electrode, with iridium's high density and melting point, for consistent performance
    • Platinum tip on the ground electrode for ignitability and service life
    • Solid copper core, 98% pure, for heat dissipation and conductivity
    • Trivalent metal plating for corrosion and seizing resistance, which eases installation and removal

    Quick facts

    • Part: NGK 1637 spark plug
    • Fits: 2006-2010 Kia Optima V6 2.7L and other vehicles
    • Material: Iridium Platinum
    • Condition: New

    A misfire, rough idle or hard start can mean the plugs are worn, though a weak ignition coil or a fuel injector could be behind them too, so find the cause first.

    Fits

    This plug fits the 2006-2010 Kia Optima V6 2.7L and the 2007-2009 Hyundai Santa Fe V6 2.7L, and it is the Kia Rondo spark plug for the 2007-2012 V6 2.7L. If your car is not named here, look up its year and engine in the "Vehicles it fits" section.

    Specifications

    Fit and size

    • Thread size: M14 - 1.25
    • Hex size: 5/8" (16mm)
    • Seat type: Crush
    • Projection: Mid Projection
    • Quantity per vehicle: 6

    Build and materials

    • Type: Laser Iridium, fine wire
    • Metallurgy: Iridium Platinum
    • Center electrode: iridium alloy
    • Ground electrode: platinum tip
    • Core: solid copper
    • Plating: trivalent metal
    • Condition: New
    • NGK part number: ILFR5B11

    In the box

    This listing is one spark plug; the V6 2.7L and V6 3.8L engines in these vehicles take six plugs each.

    Interchange: ILFR5B11

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

    9609, FR8MII33X, FR8MII33XÂ, 4505, 4703, IKH16TT, PKH16TT, 1637, ILFR5B11, 22401-1A50A

    Frequently Asked Questions

    Will this Kia Optima spark plug fit the 2006-2010 Kia Optima V6 2.7L?

    Yes, NGK 1637 fits the 2006-2010 Kia Optima V6 2.7L. For a different car, check its year and engine in the "Vehicles it fits" section.

    Are these Hyundai Santa Fe spark plugs the right ones for a 2007-2009 V6 2.7L?

    Yes. NGK 1637 is listed for the 2007-2009 Hyundai Santa Fe V6 2.7L, and that engine takes six plugs.

    What thread size and hex size does the NGK 1637 have?

    This NGK 1637 spark plug has an M14 - 1.25 thread and a 5/8" (16mm) hex.

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

    NGK 1637 has a fine wire iridium alloy center electrode, a platinum tip on the ground electrode and a solid copper core.

    Is NGK ILFR5B11 the same plug as the 1637?

    Yes. NGK lists this spark plug under both 1637 and ILFR5B11, so either number points to the same part.

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