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Champion J12YC Spark Plug

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Rating
2.9 / 5
Overall
ChampionJ12YC
BrandCode
3.0 / 5
Materials
CopperCopper
Ground electrodeCenter electrode
2.8 / 5
Design
StandardStandard
Ground typeCenter type
Specifications
0.9mm (.035")12
GapHeat range
⌀14mm1.25mm
Thread diameterThread pitch
9.5mm (3/8")21mm (13/16")
ReachHex size
GasketRemovable Nut
SeatTerminal
1Non-Projected
Ground countProjection

Cross-reference and alternatives

How we find alternative spark plugs How we rate spark plugs

Cross-reference (4)

Alternative spark plugs found in cross-reference docs provided by manufacturers
Iridium-Platinum
4.2/ 5
.035"9.5mm, ⌀14x1.25HR 5
Copper
3.3/ 5
.028"9.5mm, ⌀14x1.25HR 16
Copper
3.1/ 5
.031"9.5mm, ⌀14x1.25HR 5
Copper
-
2.9/ 5
.035"9.5mm, ⌀14x1.25HR 5

Deep reference (18)

A second level of cross-reference: if A=B and B=C, then A=C
Iridium-Platinum
4.2/ 5
.035"9.5mm, ⌀14x1.25HR 5
Iridium-Platinum
4.2/ 5
.035"9.5mm, ⌀14x1.25HR 5
Copper-Iridium
3.8/ 5
.039"9.5mm, ⌀14x1.25HR 5
Copper
3.3/ 5
.028"9.5mm, ⌀14x1.25HR 16
Copper
3.3/ 5
.031"9.5mm, ⌀14x1.25HR 16
Copper
3.3/ 5
.028"9.5mm, ⌀14x1.25HR 16
Copper
3.3/ 5
.031"9.5mm, ⌀14x1.25HR 16
Copper
3.3/ 5
.028"9.5mm, ⌀14x1.25HR 16
Copper
3.1/ 5
.031"9.5mm, ⌀14x1.25HR 5
Copper
3.1/ 5
.031"9.5mm, ⌀14x1.25HR 5
Copper
3.1/ 5
.039"9.5mm, ⌀14x1.25HR 4
Copper
3.1/ 5
.059"9.5mm, ⌀14x1.25HR 4
Copper
3.1/ 5
.031"9.5mm, ⌀14x1.25HR 5
Copper
-
2.9/ 5
.035"9.5mm, ⌀14x1.25HR 12
Copper
-
2.9/ 5
.035"9.5mm, ⌀14x1.25HR 5
Copper
-
2.9/ 5
.024"12.7mm, ⌀14x1.25HR 5
Copper
-
2.9/ 5
.035"9.5mm, ⌀14x1.25HR 5
Copper
-
2.9/ 5
.035"9.5mm, ⌀14x1.25HR 12

Same specs (3)

Products that have identical characteristics that impact interchangability
Copper
-
2.9/ 5
.035"9.5mm, ⌀14x1.25HR 12
Copper
-
2.9/ 5
.035"9.5mm, ⌀14x1.25HR 12
Copper
-
2.9/ 5
.035"9.5mm, ⌀14x1.25HR 12