AutoZoneAC Delco Copper/Spark Plug

Search suggestions

    My Vehicles

    Add a Vehicle

    Find a Store

    Select a Store

    SAVE 20% ON SHIP TO HOME ORDERS of $100 or more.

    Use Code: DAD20

    See Details
    Get the right part for your vehicle!

    AC Delco Copper/Spark Plug

    Enlarge Image
    Part Number: R44LTSM
    Weight: 0.1 lbs
    Hex Size: 5/8 in.
    Thread Size: 14 mm.
    Electrode Core: Copper
    Resistor: 2-12 - 245
    Heat Range: 3
    Electrode Tip: Convert
    Insulator Type: Ribbed
    Seat Size: 14 mm.
    Rib Configuration: 1 fat, 2 skinny
    Thread Reach: 0.679 in. (17.25 mm.)
    Terminal top fixed or threaded: Fixed
    Seat Type: Tapered
    Shell Type: Black oxide
    Shipping Information: Overnight and Two Day shipping are not available for PO Box, APO/FPO/DPO or US Territory addresses.
    Rebate details: Rebate offer is on ACDelco Professional Iridium ($2 per plug), ACDelco Professional Platinum ($1.50 per plug), ACDelco Rapidfire ($1.00 per plug) and ACDelco Professional Conventional ($.50 per plug). Rebate is paid on a maximum of 16 spark plugs per household not to exceed $32 and a minimum 4 spark plugs must be purchased.
    Product Service Bulletin:
    • Overall

      OTHER CUSTOMERS ALSO VIEWED

      AutoZone Logo

      Returning Customers

      Create an Account