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FRAM 421 - Spark Plug Product image

Spark Plug - FRAM 421

Autolite 421 Copper Resistor Spark Plug
Brand: FRAM
Stock # 421
Weight: 0.14 Lb. ( 0.06 Kg.)
Dimensions: 1 x 1 x 3.4 '' ( 2.5 x 2.5 x 8.6 cm)
UPC: 00009100266491
Condition: New
In Stock
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Autolite 421 Copper Resistor Spark Plug

Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Guaranteed to deliver quick starts, good fuel economy and smooth acceleration, Autolite Copper Core spark plugs are designed to meet or exceed OES design requirements. Warrantied for 2 years. Consider upgrading to Autolite Platinum, Double Platinum or Iridium XP plugs for improved engine performance. Copper core plugs are the industry standard.

  • KEY: Spark, plug, spark plug, small engine, Autolite
  • INV: Copper Resistor Spark Plug
  • SHO: Cu Res SparkPlug
  • ASM: ALSPORT Outboard, AVON Jetboats, BAYSTALKER Jetboats, BLADE Jetboats, CARNITI Engine Power Equipment Outboard, CARNITS Engine Power Equipment Outboard, CHRYSLER Outboard,
Harmonized Tariff Code (Schedule B)8511100000
Warranty Time2
Warranty Special UOMSR
Country of Origin (Primary)CN
Warranty Time UOMYR
Remanufactured PartN
MSDS Required FlagN
Ground Electrode ConfigurationSingle
Center Electrode DesignStandard / Regular
Resistance125
Drive Size13/16" (21mm)
Center Electrode Core MaterialCopper
Ground Electrode Tip MaterialNickel
Gap- Factory Preset.030" (.8mm)
Insulator MaterialCeramic
Reach (in).500"
Electrical Terminal TypeStud
ResistorResistor
Center Electrode Tip MaterialNickel
Insulator TypeShort
Ground Electrode Core MaterialNickel
Ground Electrode DesignTapered
Thread Size14mm x 1.25
Seat StyleGasket

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