Champion C57A Spark Plug

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Rating

3.3 / 5 Overall
Champion	C57A
Brand	Code
3.0 / 5 Materials
Copper	Copper
Ground electrode	Center electrode
3.8 / 5 Design
Slant	Standard
Ground type	Center type

Specifications

0.65mm (.026")	57
Gap	Heat range
⌀14mm	1.25mm
Thread diameter	Thread pitch
19mm (3/4")	16mm (5/8")
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

IK01-31

Iridium-Platinum

4.5/ 5

.028"19mm, ⌀14x1.25HR 31

Deep reference (3)

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

R7434-10

Iridium-Platinum

4.5/ 5

.028"19mm, ⌀14x1.25HR 10

C57

Copper

3.5/ 5

.026"19mm, ⌀14x1.25HR 57

AR3931

Copper

-

3.3/ 5

.024"19mm, ⌀14x1.25HR 1