Champion QC59C Spark Plug

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Rating
Brand	Code
3.3 / 5 Overall
Champion	QC59C
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
0.65mm (.026")	59
⌀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 (1)

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

IK27

Copper-Iridium

4.3/ 5

.031"19mm, ⌀14x1.25HR 27

Deep reference (7)

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

BKR9EIX

Copper-Iridium

3.8/ 5

.031"19mm, ⌀14x1.25HR 9

QC59YC

Copper

3.3/ 5

.030"19mm, ⌀14x1.25HR 59

R5671A-9

Copper

3.1/ 5

.031"19mm, ⌀14x1.25HR 9

R5672A-9

Copper

3.1/ 5

.031"19mm, ⌀14x1.25HR 9

C59YC

Copper

2.9/ 5

.026"19mm, ⌀14x1.25HR 59

C61C

Copper

2.9/ 5

.026"19mm, ⌀14x1.25HR 61

C61YC

Copper

2.9/ 5

.026"19mm, ⌀14x1.25HR 61

Same specs (1)

Products that have identical characteristics that impact interchangability

C59

Copper

3.5/ 5

.026"19mm, ⌀14x1.25HR 59

Bigger gap (3)

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

C59HCX

Copper

3.3/ 5

.035"19mm, ⌀14x1.25HR 59

C59HX

Copper

3.3/ 5

.030"19mm, ⌀14x1.25HR 59

C59CX

Copper

3.3/ 5

.035"19mm, ⌀14x1.25HR 59