Champion C57CX Spark Plug

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Rating
Brand	Code
3.3 / 5 Overall
Champion	C57CX
3.0 / 5 Materials
Copper	Copper
Ground electrode	Center electrode
3.8 / 5 Design
Cut Back	Standard
Ground type	Center type

Specifications
Gap	Heat range
0.9mm (.035")	57
⌀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

How we find alternative spark plugs How we rate spark plugs

Cross-reference (2)

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

AR3933

Copper

3.3/ 5

.024"19mm, ⌀14x1.25HR 3

R5671A-10

Copper

3.1/ 5

.020"19mm, ⌀14x1.25HR 10

Deep reference (11)

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

IK31

Copper-Iridium

4.3/ 5

.031"19mm, ⌀14x1.25HR 31

C59

Copper

3.5/ 5

.026"19mm, ⌀14x1.25HR 59

C57

Copper

3.5/ 5

.026"19mm, ⌀14x1.25HR 57

C59CX

Copper

3.3/ 5

.035"19mm, ⌀14x1.25HR 59

C55CX

Copper

3.3/ 5

.035"19mm, ⌀14x1.25HR 55

AR3931

Copper

3.3/ 5

.024"19mm, ⌀14x1.25HR 1

AR3932

Copper

3.3/ 5

.024"19mm, ⌀14x1.25HR 2

AR2592

Copper

3.3/ 5

.024"19mm, ⌀14x1.25HR 1

C55

Copper

3.2/ 5

.026"19mm, ⌀14x1.25HR 55

R5671A-9

Copper

3.1/ 5

.031"19mm, ⌀14x1.25HR 9

AR3932X

Copper

0.0/ 5

.031"19mm, ⌀14x1.25HR 2

Same specs (1)

Products that have identical characteristics that impact interchangability

C57HCX

Copper

3.3/ 5

.035"19mm, ⌀14x1.25HR 57

One step colder (1)

Colder spark plugs with same characteristics for moderately tuned engines (75–100 hp increase)

C53CX

Copper

3.3/ 5

.035"19mm, ⌀14x1.25HR 53