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Spark Plug - FRAM 4251

Autolite 4251 Copper Non-Resistor Spark Plug
Brand: FRAM
Stock # 4251
Weight: 0.15 Lb. ( 0.07 Kg.)
Dimensions: 1 x 1 x 3.4 '' ( 2.5 x 2.5 x 8.6 cm)
UPC: 00009100255242
Condition: New
In Stock
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Autolite 4251 Copper Non-Resistor Spark Plug

Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, Autolite Double Platinum spark plugs feature platinum-to-platinum firing which virtually eliminates gap erosion, reduces misfires and increases durability of the plug. Warrantied for 5 years. Consider upgrading to Autolite Iridium XP spark plugs for increased performance.

  • INV: Copper Non-Resistor Spark Plug
  • KEY: Spark, plug, spark plug, Autolite
  • SHO: Cu NRes SparkPlug
  • ASM: Porsche 911 (1989-1986)
MSDS Required FlagN
Harmonized Tariff Code (Schedule B)8511100000
Warranty Time UOMYR
Warranty Time2
Remanufactured PartN
Warranty Special UOMSR
Country of Origin (Primary)US
Thread Size14mm x 1.25
Ground Electrode Core MaterialNickel
Center Electrode Core MaterialCopper
Center Electrode Tip MaterialNickel
Ground Electrode ConfigurationSingle
Insulator MaterialCeramic
Insulator TypeMid
Ground Electrode DesignTapered
Gap- Factory Preset.025"
Drive Size13/16" (21mm)
ResistorNon Resistor
Electrical Terminal TypeRemovable Nut
Ground Electrode Tip MaterialNickel
Reach (in).375"
Seat StyleGasket
Center Electrode DesignStandard / Regular