Champion QC57C Spark Plug

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Rating

3.3 / 5 Overall
Champion	QC57C
Brand	Code
3.0 / 5 Materials
Copper	Copper
Ground electrode	Center electrode
3.8 / 5 Design
Cut Back	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

IK31

Copper-Iridium

4.3/ 5

.031"19mm, ⌀14x1.25HR 31

Deep reference (5)

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

QC57

Copper

3.2/ 5

.026"19mm, ⌀14x1.25HR 57

QC59

Copper

3.2/ 5

.026"19mm, ⌀14x1.25HR 59

R5671A-10

Copper

3.1/ 5

.020"19mm, ⌀14x1.25HR 10

R5672A-10

Copper

3.1/ 5

.020"19mm, ⌀14x1.25HR 10

C57YC

Copper

2.9/ 5

.026"19mm, ⌀14x1.25HR 57

Same specs (1)

Products that have identical characteristics that impact interchangability

C57

Copper

3.5/ 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