AutoZone Autolite XP Iridium/Spark Plug

Search suggestions

    My Vehicles

    2000 Oldsmobile Truck Silhouette 3.4L SFI 6cyl

    My Store

    405 N COLLEGE ST
    (479) 443-4043

    CLOSED Open at 7:30 AM

    Save 20% Sitewide

    Use Code: YOUCHOOSE20

    See Details

    Get A $25 Gift Card

    Use Code: YOUCHOOSE25

    See Details

    Autolite XP Iridium/Spark Plug

    Part Number: XP5503
    Not Available
    In Stock
    Ships within 1-2 business days.

    Price: $6.99
    Hot Deals & Savings
    SAVE NOW on this item See Deals
    Mail-in Rebate Available Download rebate form
    FREE Shipping
    On orders $75 or Greater and FREE Shipping to APO, FPO, DPO addresses. See Details
    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.

    Product Details
    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: Purchase Autolite Iridium XP Enhanced Alloy Technology™ or Autolite® Double Platinum Spark Plugs and receive rebate by mail. Receive a $2.50 rebate on the purchase of each Iridium XP spark plug and a $2.00 rebate on the purchase of each Double Platinum spark plug.
    • Overall

      Autolite XP Iridium/Spark Plug

      Please wait while we perform your request.

      There are currently no reviews for this product. To be the first to review this product, Login or Register

      Please wait while we perform your request.
      Select reviews which match your interests.
      These parts DO NOT fit your selected vehicle.
      2000 Oldsmobile Truck Silhouette 3.4L SFI 6cyl
      These parts fit your vehicle(s):
      Browse to find other vehicles this part fits:


      Buy With Confidence


      Buy online and return core parts to the store to be refunded the price.
      Core Parts Policy

      Core return policy


      On orders $75 or greater
      and free shipping to APO, FPO, and DPO addresses.
      Get More Details

      Free shipping policy


      Buy online,
      return anywhere
      Get More Details

      Return anywhere


      Save time by buying online and picking up items in store.
      Learn More

      Same day store pickup
      AutoZone Logo