{
  "category": "Spark Plugs",
  "vertical": "automotive-aftermarket",
  "source": "https://getclaro.ai/resources/attribute-library/automotive-aftermarket/spark-plugs/",
  "status": "editorial-draft",
  "note": "Editorial reference template. Example values show format only and do not describe a real SKU. Not an official ETIM or ECLASS class.",
  "groups": [
    {
      "key": "identity",
      "name": "Identity",
      "check": "Preserve leading zeros and punctuation, validate against the manufacturer record, and check the GTIN check digit and packaging level before linking."
    },
    {
      "key": "technical",
      "name": "Technical specifications",
      "check": "Store the number and unit separately. Convert only when the source unit and test conditions are known."
    },
    {
      "key": "selection",
      "name": "Selection attributes",
      "check": "Map supplier wording to a governed vocabulary only after checking the source text and which variant it applies to."
    },
    {
      "key": "fit",
      "name": "Fit & compatibility",
      "check": "Keep model and series qualifiers. A similar-looking part is not a verified fit until a source says so."
    },
    {
      "key": "evidence",
      "name": "Evidence & compliance",
      "check": "Link the manufacturer document or label with its edition or date. Never copy a certification from a neighboring SKU."
    }
  ],
  "fields": [
    {
      "key": "manufacturer_part_number_mpn",
      "label": "Manufacturer Part Number (MPN)",
      "group": "identity",
      "priority": "core",
      "value_type": "identifier",
      "unit": null,
      "example_format": "SP-3230"
    },
    {
      "key": "thread_size",
      "label": "Thread Size",
      "group": "technical",
      "priority": "core",
      "value_type": "controlled",
      "unit": null,
      "example_format": "M14 x 1.25"
    },
    {
      "key": "reach_thread_reach",
      "label": "Thread Reach",
      "group": "technical",
      "priority": "core",
      "value_type": "number",
      "unit": "mm",
      "example_format": "19.0 mm"
    },
    {
      "key": "seat_type",
      "label": "Seat Type",
      "group": "fit",
      "priority": "core",
      "value_type": "controlled",
      "unit": null,
      "example_format": "Gasket (flat seat)"
    },
    {
      "key": "hex_size",
      "label": "Hex Size",
      "group": "technical",
      "priority": "core",
      "value_type": "number",
      "unit": "mm",
      "example_format": "16 mm"
    },
    {
      "key": "terminal_type",
      "label": "Terminal Type",
      "group": "selection",
      "priority": "core",
      "value_type": "controlled",
      "unit": null,
      "example_format": "Solid post"
    },
    {
      "key": "resistor_value",
      "label": "Resistor Value",
      "group": "technical",
      "priority": "core",
      "value_type": "number",
      "unit": "kΩ",
      "example_format": "5 kΩ"
    },
    {
      "key": "overall_length",
      "label": "Overall Length",
      "group": "technical",
      "priority": "core",
      "value_type": "number",
      "unit": "mm",
      "example_format": "50.5 mm"
    },
    {
      "key": "gtin_upc",
      "label": "GTIN / UPC",
      "group": "identity",
      "priority": "core",
      "value_type": "identifier",
      "unit": null,
      "example_format": "081234532307"
    },
    {
      "key": "center_electrode_tip_material",
      "label": "Center Electrode Tip Material",
      "group": "selection",
      "priority": "differentiating",
      "value_type": "controlled",
      "unit": null,
      "example_format": "Iridium, 0.6 mm fine wire"
    },
    {
      "key": "ground_electrode_tip_material",
      "label": "Ground Electrode Tip Material",
      "group": "selection",
      "priority": "differentiating",
      "value_type": "controlled",
      "unit": null,
      "example_format": "Platinum pad"
    },
    {
      "key": "center_electrode_core_material",
      "label": "Center Electrode Core Material",
      "group": "selection",
      "priority": "differentiating",
      "value_type": "controlled",
      "unit": null,
      "example_format": "Copper"
    },
    {
      "key": "heat_range",
      "label": "Heat Range (with manufacturer scale)",
      "group": "selection",
      "priority": "differentiating",
      "value_type": "text",
      "unit": null,
      "example_format": "6 (manufacturer scale: higher = colder)"
    },
    {
      "key": "pre_gap_size",
      "label": "Pre-Gap",
      "group": "technical",
      "priority": "differentiating",
      "value_type": "number",
      "unit": "mm",
      "example_format": "0.8 mm"
    },
    {
      "key": "oe_recommended_gap",
      "label": "Specified Gap (per application)",
      "group": "fit",
      "priority": "differentiating",
      "value_type": "number",
      "unit": "mm",
      "example_format": "1.1 mm"
    },
    {
      "key": "ground_electrode_configuration",
      "label": "Ground Electrode Configuration",
      "group": "selection",
      "priority": "differentiating",
      "value_type": "controlled",
      "unit": null,
      "example_format": "Single ground electrode"
    },
    {
      "key": "vehicle_fitment_aces",
      "label": "Vehicle Fitment (ACES)",
      "group": "fit",
      "priority": "channel",
      "value_type": "text",
      "unit": null,
      "example_format": "BaseVehicle + engine code, 2.0L I4"
    },
    {
      "key": "country_of_origin",
      "label": "Country of Origin",
      "group": "evidence",
      "priority": "channel",
      "value_type": "controlled",
      "unit": null,
      "example_format": "JP"
    }
  ],
  "evidence_columns": [
    "raw_value",
    "normalized_value",
    "source_uri",
    "source_page_or_row",
    "confidence",
    "review_state",
    "last_verified"
  ],
  "normalization_examples": [
    {
      "attribute": "Thread Size",
      "variants": [
        "14mm",
        "M14",
        "M14x1.25",
        "M14 - 1.25",
        "14 x 1.25",
        "14mm x 1.25 pitch"
      ],
      "normalized": "M14 x 1.25"
    },
    {
      "attribute": "Seat Type",
      "variants": [
        "Taper",
        "Tapered seat",
        "Conical",
        "Cone seat",
        "Taper Seat (no gasket)",
        "TS"
      ],
      "normalized": "Taper (conical)"
    },
    {
      "attribute": "Specified Gap",
      "variants": [
        "0.044",
        "0.044\"",
        ".044 in",
        "44 thou",
        "1.1mm",
        "1,1 mm"
      ],
      "normalized": "1.1 mm (0.044 in)"
    }
  ]
}