Autolite 4173 Nickel Spark Plug

Traditional nickel electrodes. Copper core improves resistance to fouling. Power tip extends further into the combustion chamber to aid in self-cleaning, reducing fouling at low rpms and pre-ignition at high speeds.

• Shell
• Thread Diameter12mm
• Thread Pitch1.25mm
• Seat TypeGasket
• Reach12.7mm (1/2")
• Hex Size13/16" (21mm)
• Terminal TypeRemovable Nut
• Gap.028" (0.7mm)

• Center Electrode
• MaterialNickel
• TypeStandard
• Size2.5mm
• ProjectionNon-Projected

• Ground Electrode
• MaterialNickel
• TypeStandard
• Quantity1

• Specifications
• ResistorNo
• Heat Range1
• Torque SpecsCast Iron: 11-19 lb. ft. Aluminum: 11-19 lb. ft.

• Part Information
• BrandAutolite
• Warranty2 Years
• Longevity30k Miles

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Powersports

• 1985
  • Honda
    • ATC110 Base Verify fitment
• 1984
  • Honda
    • ATC110 Base Verify fitment
• 1983
  • Honda
    • ATC110 Base Verify fitment
• 1982
  • Honda
    • ATC110 Base Verify fitment
• 1981
  • Honda
    • ATC110 Base Verify fitment
• 1980
  • Honda
    • ATC110 Base Verify fitment
• 1979
  • Honda
    • ATC110 Base Verify fitment
    • CT90 Base Verify fitment
• 1978
  • Honda
    • ATC90 Base Verify fitment
    • CT90 Base Verify fitment
• 1977
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    • ATC90 Base Verify fitment
    • CT90 Base Verify fitment
• 1976
  • Honda
    • ATC90 Base Verify fitment
    • CT90 Base Verify fitment
• 1975
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    • ATC90 Base Verify fitment
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    • ST90 Base Verify fitment
• 1974
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    • CT90 Base Verify fitment
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• 1973
  • Honda
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    • CB175 Super Sport Base Verify fitment
    • CT90 Base Verify fitment
    • ST90 Base Verify fitment
• 1972
  • Honda
    • ATC90 Base Verify fitment
    • CB175 Super Sport Base Verify fitment
    • CL175 Scrambler Base Verify fitment
    • CT90 Base Verify fitment
• 1971
  • Honda
    • ATC90 Base Verify fitment
    • CB175 Super Sport Base Verify fitment
    • CL175 Scrambler Base Verify fitment
    • CT90 Base Verify fitment
    • SL175 Base Verify fitment
• 1970
  • Honda
    • CB175 Super Sport Base Verify fitment
    • CL175 Scrambler Base Verify fitment
    • CT90 Base Verify fitment
    • SL175 Base Verify fitment
• 1969
  • Honda
    • CB175 Super Sport Base Verify fitment
    • CL175 Scrambler Base Verify fitment
    • CT90 Base Verify fitment
    • SL90 Base Verify fitment
• 1968
  • Honda
    • CA175 Base Verify fitment
    • CL125A Base Verify fitment
    • CL175 Scrambler Base Verify fitment
    • SS125 Base Verify fitment
• 1967
  • Honda
    • CL90 Scrambler Base Verify fitment
• 1966
  • Honda
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    • CL77 Scrambler 305 Base Verify fitment
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• 1965
  • Honda
    • CB160 Base Verify fitment
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• 1964
  • Honda
    • CA200 Base Verify fitment
• 1962
  • Honda
    • CL72 Scrambler 250 Base Verify fitment

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  • Honda
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  • Johnson
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    • 4-Stroke (211cc) Verify fitment
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    • 4-Stroke SOHC (210cc) Verify fitment