Spark Plug for 1999-2007 Honda TRX400EX Sportrax & More - DENSO 5394

$12.99

Vehicles this part fits

    Part number: 5394
    UPC: 042511053946
    Condition: New
    Weight: 0.09 LBS
    Item Package Quantity: 1
    $12.99
    Adding to cart… The item has been added

    Have questions?

    DENSO Auto Parts Spark Plug P/N:5394
    DENSO Auto Parts Spark Plug P/N:5394
    $12.99
    $12.99

    DENSO Auto Parts 5394 spark plug for the 1999-2007 Honda TRX400EX Sportrax and other vehicles fires the spark that ignites the fuel mixture in the cylinder.

    • Iridium Power plug with a 0.4mm iridium center electrode for improved spark and combustion
    • Taper-cut, U-Groove ground electrode to maximize flame propagation
    • Copper core in the center electrode and nickel core in the ground electrode

    Quick facts

    • Part: DENSO Auto Parts 5394 spark plug
    • Fits: the 1999-2007 Honda TRX400EX Sportrax and other vehicles
    • Condition: New

    A worn plug can show up as hard starting, a rough idle or a misfire, though ignition and fuel problems cause the same signs. With the engine off and cool, look at the electrode tip and insulator for wear or deposits before you replace the plug.

    Fits

    It fits the 1999-2007 Honda TRX400EX Sportrax, the 1996-2004 Honda XR400R and the 1991-1996 Honda XR250L, and each of those machines takes a single plug.

    Specifications

    Fit and size

    • Thread diameter: 12 mm
    • Reach: 22 mm
    • Hex size: 18 mm
    • Seat type: Flat
    • Pre-gap: 0.7 mm
    • Manufacturer heat range: 24

    Build and materials

    • Center electrode tip: iridium
    • Center electrode core: copper
    • Ground electrode core: nickel
    • Ground electrode tip design: taper-cut, U-Groove
    • Resistance: 5000 ohms
    • Condition: New
    • Country of origin: Japan

    Product information is for general reference and may contain errors. See our Disclaimer.

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

    IXG24

    Frequently Asked Questions

    Does the DENSO Auto Parts 5394 work as a spark plug for the 1996-2004 Honda XR400R?

    Yes. DENSO Auto Parts 5394 is listed for the 1996-2004 Honda XR400R, and that machine takes a single plug.

    What is the electrode material in this DENSO Auto Parts spark plug?

    The center electrode is the 0.4mm iridium type, with an iridium tip and a copper core. The ground electrode has a nickel core.

    What thread size and reach does the 5394 plug have?

    DENSO Auto Parts 5394 has a 12 mm thread diameter, a 22 mm reach, an 18 mm hex and a flat seat. It comes pre-gapped at 0.7 mm.

    How do I tell if the electrode on an iridium plug is worn?

    With the engine off and cool, look for a rounded or worn-down electrode tip, heavy deposits or a cracked insulator. Hard starting, a rough idle or misfires can be early signs.

    What heat range is the DENSO Auto Parts 5394?

    The manufacturer heat range for the DENSO Auto Parts 5394 is 24. This plug also has a resistance of 5000 ohms.

    Reviews

    No reviews yet — be the first to review this product.

    Write a Review