Spark Plug Dimensions
Plug Type
J4C
Center Electrode Tip Material
Nickel
Pre-Gap Size (IN)
0.030
Pre-Gap Size (MM)
0.78
Ground Electrode Quantity
1
Hex Size (IN)
0.813
Hex Size (MM)
20.650
Manufacturer Heat Range
4
Seat Type
Flat
Reach (IN)
0.375
Thread Diameter (IN)
0.551
Thread Diameter (MM)
14.000
Resistor Type
No
Ground Electrode Core Material
Nickel
Washer Included
Yes
Classification
Champion Copper Plus Small Engine
Electrical Terminal Type
Non-Removable Nut
Hex Type
Hex
Washer Type
Crush
Indexed
No
Part Description
Spark Plug
Center Electrode Diameter (Inch) (IN)
0.1
Ground Electrode Material
Nickel Copper Alloy
Lombard
All Model(s)
—
McCulloch
W1-A2
—
Skil
2913-T1
—
International
915
—
Barco
M1
—
Skil
M1
—
Skil
2910-T1
—
McCulloch
W1-A1
—
Skil
2911-T1
—
International
815
—
Green Machine
4600
—
Skil
2912-T1
—
Pioneer
700F
Craftsman
536.270212
Craftsman
502.270210
Pioneer
850
Craftsman
Base
Pioneer
700G
Pioneer
700G
Craftsman
536.270211
Onan
CCK Series
Mercruiser
270 MIE
5.7L V8 5735.47cc/350cid
Mercury Marine
650
—
Mercury Marine
900
—
Evinrude
DU
1.5L 1458.45cc/89cid
Mercury Marine
800E
—
Mercury Marine
800EL
—
Mercury Marine
650S
—
Mercruiser
270 MCM
5.7L V8 350cid
Mercruiser
270 MCM
5.7L V8 5735.47cc/350cid
Mercruiser
250 MCM
5.4L V8 5358.57cc/327cid
Mercruiser
225
5.0L V8 4998.05cc/305cid
Mercruiser
225
5.4L V8 5358.57cc/327cid
Volvo Penta
BB70
—
Mercruiser
250
5.4L V8 5358.57cc/327cid
Mercury Marine
1000
—
Mercury Marine
800E
L1
Mercury Marine
800EL
—
Mercury Marine
850
—
Johnson
NU
1.5L 1458.45cc/89cid
Mercruiser
250 MIE
5.4L V8 5358.57cc/327cid
Johnson
DU
1.5L 1458.45cc/89cid
Mercruiser
270 MIE
5.7L V8 350cid
Mercruiser
270
5.7L V8 350cid
Mercruiser
250
5.7L V8 350cid
Mercury Marine
800E
—
OMC
DU
1.5L 1458.45cc/89cid
Mercury Marine
350
—
Mercruiser
270
5.7L V8 5735.47cc/350cid
Mercruiser
270
5.7L V8 350cid
