AutoZoneAutolite XP Iridium/Spark Plug

Search suggestions

    My Vehicles

    Add a Vehicle

    Find a Store

    Select a Store

    SAVE 15% ON SHIP TO HOME ORDERS of $75 or more!

    Use Code: AZ15OFF75

    See Details
    Get the right part for your vehicle!

    Autolite XP Iridium/Spark Plug

    Enlarge Image

    Features & Benefits

    Iridium enhanced, protects against electrode wear. 0.6mm fine wire electrode; designed for better overall ignitability performance. More focused ignition for better/faster fuel combustion. V trimmed patented platinum sidewire, resists wear. Nickel plated shell, prevents corrosion. OE equivalent design guaranteed to deliver quick starts, good fuel economy and smooth acceleration.
    Part Number: XP5503
    Weight: 0.11 lbs
    Thread Size: 14 mm.
    Resistor Type: Suppressor
    Heat Range: 3
    Center Electrode Core: Nickel alloy sheath over copper core
    Center Electrode Firing Tip: Iridium fine wire
    Insulator Type: High alumina ceramic
    Side Electrode: Platinum enhanced v-trimmed side wire
    Thread Reach: 0.750 in. (19.00 mm.)
    Seat Type: Gasket
    Shipping Information: Overnight and Two Day shipping are not available for PO Box, APO/FPO/DPO or US Territory addresses.
    Rebate details: Autolite Spark Plug mail-in rebate. Maximum $20.00 for Platinum Spark Plugs($1.25 per spark plug), Maximum $24.00 for Double Platinum Spark Plugs ($1.50 per spark plug), Maximum $32.00 for XP Iridium Spark Plugs ($2.00 per spark plug) and Maximum $32.00 for Glow Plugs ($2.00 per spark plug).
    Product Service Bulletin:

    OTHER CUSTOMERS ALSO VIEWED

    AutoZone Logo

    Returning Customers

    Create an Account