Champion C57 Spark Plug

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Rating
Brand	Code
3.5 / 5 Overall
Champion	C57
3.0 / 5 Materials
Copper	Copper
Ground electrode	Center electrode
4.5 / 5 Design
Cut Back	Fine Wire
Ground type	Center type

Specifications
Gap	Heat range
0.65mm (.026")	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 (3)

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

IK01-31

Iridium-Platinum

4.5/ 5

.028"19mm, ⌀14x1.25HR 31

AR3932

Copper

3.3/ 5

.024"19mm, ⌀14x1.25HR 2

R5671A-10

Copper

3.1/ 5

.020"19mm, ⌀14x1.25HR 10

Deep reference (12)

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

IK31

Copper-Iridium

4.3/ 5

.031"19mm, ⌀14x1.25HR 31

C57A

Copper

3.3/ 5

.026"19mm, ⌀14x1.25HR 57

AR3931

Copper

3.3/ 5

.024"19mm, ⌀14x1.25HR 1

C55CX

Copper

3.3/ 5

.035"19mm, ⌀14x1.25HR 55

C57CX

Copper

3.3/ 5

.035"19mm, ⌀14x1.25HR 57

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-10

Copper

3.1/ 5

.020"19mm, ⌀14x1.25HR 10

AR3932X

Copper

0.0/ 5

.031"19mm, ⌀14x1.25HR 2

Same specs (1)

Products that have identical characteristics that impact interchangability

QC57C

Copper

3.3/ 5

.026"19mm, ⌀14x1.25HR 57

Bigger gap (3)

0.1..0.3 mm gap increase for better performance given your ignition system can handle it

C57HCX

Copper

3.3/ 5

.035"19mm, ⌀14x1.25HR 57

C57HX

Copper

3.3/ 5

.030"19mm, ⌀14x1.25HR 57

C57CX

Copper

3.3/ 5

.035"19mm, ⌀14x1.25HR 57