Champion 31C2 Spark Plug

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Rating

2.9 / 5 Overall
Champion	31C2
Brand	Code
3.0 / 5 Materials
Copper	Copper
Ground electrode	Center electrode
2.8 / 5 Design
Standard	Standard
Ground type	Center type

Specifications

1.25mm (.049")	14
Gap	Heat range
⌀14mm	1.25mm
Thread diameter	Thread pitch
19mm (3/4")	21mm (13/16")
Reach	Hex size
Gasket	Solid
Seat	Terminal
1	Non-Projected
Ground count	Projection

Cross-reference and alternatives

Cross-reference (1)

Alternative spark plugs found in cross-reference docs provided by manufacturers

GR45

Copper

3.1/ 5

.059"19mm, ⌀14x1.25HR 4

Deep reference (11)

A second level of cross-reference: if A=B and B=C, then A=C

VW16

Iridium-Platinum

4.2/ 5

.043"19mm, ⌀14x1.25HR 16

W14EXR-U11

Copper

3.3/ 5

.043"19mm, ⌀14x1.25HR 14

646

Copper

-

2.9/ 5

.050"19mm, ⌀14x1.25HR 12

646BP

Copper

-

2.9/ 5

.050"19mm, ⌀14x1.25HR 12

646DP2

Copper

-

2.9/ 5

.050"19mm, ⌀14x1.25HR 12

WR10LCV

Copper

-

2.9/ 5

.050"19mm, ⌀14x1.25HR 10

WR10LCV+

Copper

-

2.9/ 5

.050"19mm, ⌀14x1.25HR 10

105C2

Copper

-

2.9/ 5

.049"19mm, ⌀14x1.25HR 16

RN14MC5

Copper

-

2.9/ 5

.049"19mm, ⌀14x1.25HR 14

RN16YC5

Copper

-

2.9/ 5

.049"19mm, ⌀14x1.25HR 16

WR9DCY

Copper

2.7/ 5

.059"19mm, ⌀14x1.25HR 9

Same specs (7)

Products that have identical characteristics that impact interchangability

RN14PMP5

Platinum

3.6/ 5

.049"19mm, ⌀14x1.25HR 14

RN14PMC5

Copper-Platinum

3.3/ 5

.049"19mm, ⌀14x1.25HR 14

105C2

Copper

-

2.9/ 5

.049"19mm, ⌀14x1.25HR 16

105CC

Copper

-

2.9/ 5

.049"19mm, ⌀14x1.25HR 16

RN16YC5

Copper

-

2.9/ 5

.049"19mm, ⌀14x1.25HR 16

31CC

Copper

-

2.9/ 5

.049"19mm, ⌀14x1.25HR 14

RN14MC5

Copper

-

2.9/ 5

.049"19mm, ⌀14x1.25HR 14