Spark Plug
InfoVehicle Info Needed
ACDELCOPART NUMBER: 065-MR43LTS

Spark Plug

$399
ShippingShips on Sep 14, 2026
Lowest PriceLowest Price Guarantee

Spark Plug
  • Thread Size: 14mm
  • Thread Pitch: 1.25mm
  • Seat Type: Tapered
  • Preset Gap: 0.040 in.
  • Thread Reach: 0.679 in.
  • Hex Size: 5/8 in.
  • Heat Range: 3
  • Sold Individually

    ACDelco MR43LTS Spark Plug is designed as an application-specific service replacement that supports proper fit, function, and system integration. Delivers the ignition spark required to initiate combustion in the engine cylinder. Verify vehicle fitment and system configuration before installation.

    ACDelco MR43LTS Features:

    • Application-specific heat range, reach, and terminal configuration should be matched to the specified vehicle application
    • Application-specific replacement spark plug for compatible engines

    ACDelco MR43LTS Notes:

    • Verify vehicle application, position, and system configuration before installation.
  • Part TypeSpark Plug
    BrandACDELCO
    Package Height0.91
    Package Width0.93
    Package Length3.42
    Weight0.1 PG
    Part CategoryReplacement Parts
    Gap Size (Mm)1.14
    Ground Electrode Quantity1
    Electrode Tip MaterialNickel alloy
    Ground Strap QuantityOne
    Ground ConfigurationSingle
    Center Electrode Core MaterialCopper
    Shorty Spark PlugNo
    Seat TypeTapered
    Center Electrode Tip MaterialNickel
    Ground Electrode Core MaterialNickel Alloy
    ResistorYes
    Manufacturer Heat Range3
    Reach (Mm)17.25
    Reach0.67 in (17 mm)
    Pack Of1
    Ground Electrode Tip DesignSingle Prong Electrode
    Approximate Resistor Value2.5-12k ohms
    QuantitySold individually
    Thread Size14mm
    Spark Plug Thread Size (Mm)14
    Gap Size0.044 in (1.118 mm)
    Resistor PlugYes
    Spark Plug Seat StyleTapered
    Electrode Core MaterialCopper
    Hex Size0.625 in (15.875 mm)
    Vendor Part NumberMR43LTS
    Package Qty1
    Package TypeEA
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    Some parts are not legal for use in California or other states with similar laws / regulations
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