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1965 Harley-Davidson FLFB

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Autolite 4275 Spark Plug
for 1965 Harley-Davidson FLFB -L U/K

Autolite 4275 Spark Plug - 1965 Harley-Davidson FLFB Image 1
Autolite 4275 Spark Plug - 1965 Harley-Davidson FLFB Image 2
Autolite 4275 Spark Plug - 1965 Harley-Davidson FLFB

Autolite
Brand:Autolite
Part Number: 4275
UPC: 009100255396
Weight: 0.15 lbs
Condition:New



Availability:
0 in Stock
 OUT OF STOCK

Product Information

Description:

SPARK PLUG

Autolite Copper spark plugs are engineered to deliver quick starts and the power your vehicle or applications needs to meet performance expectations.

Features and Benefits:

  • Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended periods.
  • Its specially engineered high nickel alloy center and ground electrode provides extended life.
  • The copper core center electrode aids in thermal control and improves resistance to fouling.
  • The high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength.

Specifications:

Center Electrode Core Material:
Copper
Center Electrode Insulator Tip Projection:
0.133 in.
Center Electrode Insulator Tip Projection:
3.38 mm
Center Electrode Projection:
Mid Projection
Center Electrode Tip Material:
Nickel
Core Nose Length:
0.775 in.
Core Nose Length:
19.69 mm
Electrical Terminal Type:
Removable Nut
Grade Type:
Regular
Ground Electrode Core Material:
Nickel
Ground Electrode Quantity:
1
Ground Electrode Tip Design:
Standard
Ground Electrode Tip Material:
Nickel
Hex Size:
13/16 in.
Hex Type:
Hex
Indexed:
No
Insulator Height:
2.464 in.
Insulator Height:
62.59 mm
Insulator Material:
Ceramic
Manufacturer Heat Range:
8
Pre-Gap Size:
0.034 in.
Pre-Gap Size:
0.86 mm
Reach:
0.374 in.
Reach:
9.5 mm
Resistance:
1 Ohm
Resistor Type:
No
Seat Type:
Flat
Skirt Length:
0.514 in.
Skirt Length:
13.06 mm
Skirt:
Yes
Thread Diameter:
14 mm
Washer Included:
Yes
Washer Type:
Flat
ACDelco #:
M43S
Accel #:
137
Accel #:
437
Champion Spark Plug #:
10
Champion Spark Plug #:
J12YC
Champion Spark Plug #:
RJ12YC
DENSO Auto Parts #:
3036
DENSO Auto Parts #:
W16P-U
General Motors #:
5613482
NGK #:
2298
NGK #:
R5670-5
NGK #:
XR5
Country of Origin:
CN

Manufacturer Warranty:

2 Years

Autolite 4275 Spark Plug compatibility with your 1965 Harley-Davidson FLFB...

Last Updated: 10/05/2024

Years Vehicle Per Vehicle Fit NotesFitment Notes

1969

 

1968

 

1967

 

1966

 

1965

 

1969

 

1968

 

1967

 

1966

 

1965

 
Harley-Davidson FLFB

-L U/K
1
 
Copper Non-Resistor
Shovel Head
Gap .025 (in)
 

Harley-Davidson FLFB



-L U/K Copper Non-Resistor
Shovel Head
Gap .025 (in)

1 Per Vehicle

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