Autolite 4345 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 Diameter14mm
• Thread Pitch1.25mm
• Seat TypeGasket
• Reach19mm (3/4")
• Hex Size13/16" (21mm)
• Terminal TypeSolid
• Gap.035" (0.9mm)

• Center Electrode
• MaterialNickel
• TypeStandard
• Size2.5mm
• ProjectionExtended Projection

• Ground Electrode
• MaterialNickel
• TypeStandard
• Quantity1

• Specifications
• ResistorYes
• Resistor Value5k Ohm
• Heat Range11
• Torque SpecsCast Iron: 26-29 lb. ft. Aluminum: 15-22 lb. ft.

• Part Information
• BrandAutolite
• Warranty2 Years
• Longevity30k Miles

Verify Fitment

Vehicle Body Vehicle Engine Verify

Shop Parts For This Vehicle

×

×

Automotive

Sorry, no automotive applications are associated with this part.

Powersports

• 1984
  • Harley-Davidson
    • FXE Super Glide Base Verify fitment
    • FXSB Low Rider - Belt Base Verify fitment
    • FXWG Wide Glide Base Verify fitment
• 1983
  • Harley-Davidson
    • FLH Electra Glide Base Verify fitment
    • FLHTC Electra Glide Classic Base Verify fitment
    • FLT Tour Glide Base Verify fitment
    • FLTC Tour Glide Classic Base Verify fitment
    • FXDG Disc Glide Base Verify fitment
    • FXE Super Glide Base Verify fitment
    • FXR Super Glide II Base Verify fitment
    • FXRS Low Glide Base Verify fitment
    • FXRT Sport Glide Base Verify fitment
    • FXSB Low Rider - Belt Base Verify fitment
    • FXWG Wide Glide Base Verify fitment
• 1982
  • Harley-Davidson
    • FLH Electra Glide Base Verify fitment
    • FLT Tour Glide Base Verify fitment
    • FLTC Tour Glide Classic Base Verify fitment
    • FXB Sturgis Base Verify fitment
    • FXE Super Glide Base Verify fitment
    • FXR Super Glide II Base Verify fitment
    • FXRS Low Glide Base Verify fitment
    • FXS Low Rider Base Verify fitment
    • FXWG Wide Glide Base Verify fitment

Non-Automotive

Sorry, no non-automotive applications are associated with this part.