Read ( 31 ) Reviews

Autolite Copper Non-Resistor 4275 Spark Plug

J&P Cycles Part Number: 360-404

Manufacturer Part Number: 4275

$2.99

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Description

Description for Autolite Copper Non-Resistor 4275 Spark Plug

• Designed for a sharper, leaner spark

• Tapered nickel/chrome alloy tip

• Copper center electrode

Product Specs

Product Specs for Autolite Copper Non-Resistor 4275 Spark Plug

Manufacturer Part Number:
4275
Material:
Nickel/Chrome Alloy Tip, Copper Center Electrode
Sold in Units:
Each
Warehouse Part Number:
1057325
Fitment
Fitment Questions?

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Compatible Models

Harley-Davidson® Models

  • Duo Glide FL : 1958–1964
  • Duo Glide FLF : 1958–1964
  • Duo Glide FLH : 1958–1964
  • Duo Glide FLHF : 1958–1964
  • Electra Glide Fat Bob FLHFB : 1965–1970
  • Electra Glide FLB : 1965–1970
  • Electra Glide FLBF : 1970
  • Electra Glide FLFB : 1965–1969
  • Electra Glide FLH : 1965–1974
  • Electra Glide FLHB : 1965–1970
  • Electra Glide FLHF : 1965–1974
  • FL : 1948
  • Hydra Glide FL : 1949–1957
  • Hydra Glide FLE : 1953–1956
  • Hydra Glide FLEF : 1953–1956
  • Hydra Glide FLF : 1952–1957
  • Hydra Glide FLH : 1955–1957
  • Hydra Glide FLHF : 1955–1957
Customer Reviews

Customer Reviews for Autolite Copper Non-Resistor 4275 Spark Plug

Overall Rating

5 out of 5 stars (based on 31 reviews)

5 stars (26)

4 stars (5)

3 stars (0)

2 stars (0)

1 star (0)

0 stars (0)

Garyp1

Seems OK

Weasel Unk

good plug for the price

Glbmlls

Good quality plug, bike runs crisper right away.

jhsdgls

good plugs for the money. replaced a older set of the same plug in my sportster. bike runs stronger and burns cleaner

Bondobob63

good quality cheap price

dbaugher

Work Great. Good quality

hdelec69

They seem to work as good as the HARLEY OEM plugs. Took the bike on a 2200 mile ride, with no problems

ghia82701k

Not listed on invoice or shipped . what happened?

grimreaper5319

Great product

wb8uoj

fabulous plugs

dynamyt

Great plugs!!!

brancacciom

great for the price

wb8uoj

love Autolites !

Weasel Unk

whats there to say about a spark plug other than they worked !

north ferry choppers

good plugs

sceets

Good price, for a good sparkplug

xenatos

Good

BobKonis

Good plugs for the price.

arroyoway21

they run good on my 93 dyna

mighty_orion@hotmail.com

Excellent

jj2446

I've always used this plug. Never fouls.

redtailleather

Remember these plugs are short reach.

linegod13

Run great in the panhead

jnjz92

Always run these, get a lot of miles out of these

fastcamino454

Fair priced reliable spark plug

shalfhill

Works just great in the Old Iron Head. No fancy frills just good American made service.

parrott65

We have not received these as of yet

kevinemer

nice plugs

jimrobson

Good plugs. Long life at a reasonable price.

Bill Riddick

Great buy for the price and good quality.

Johnny438

Works great.

Important Product Notes

Once opened, electrical items cannot be returned, except in the case of a manufacturing defect.

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