Champion S9YC Spark Plug

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Rating

3.3 / 5 Overall
Champion	S9YC
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")	9
Gap	Heat range
⌀14mm	1.25mm
Thread diameter	Thread pitch
17.5mm (.689")	16mm (5/8")
Reach	Hex size
Tapered	Solid
Seat	Terminal
1	Non-Projected
Ground count	Projection

Cross-reference and alternatives

Cross-reference (6)

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

IT20

Copper-Iridium

4.3/ 5

.043"17.5mm, ⌀14x1.25HR 20

VT20

Iridium-Platinum

4.2/ 5

.043"17.5mm, ⌀14x1.25HR 20

T20EP-U

Copper

-

3.3/ 5

.031"18mm, ⌀14x1.25HR 20

AR103

Copper

-

3.3/ 5

.033"17.5mm, ⌀14x1.25HR 1

103

Copper

2.9/ 5

.050"17.5mm, ⌀14x1.25HR 1

BPR6EFS

Copper

2.9/ 5

.031"18mm, ⌀14x1.25HR 6

Deep reference (77)

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

IT20

Copper-Iridium

4.3/ 5

.043"17.5mm, ⌀14x1.25HR 20

IT20

Copper-Iridium

4.3/ 5

.043"17.5mm, ⌀14x1.25HR 20

XP104

Iridium-Platinum

4.2/ 5

.050"17.5mm, ⌀14x1.25HR 2

XP605

Iridium-Platinum

4.2/ 5

.059"17.5mm, ⌀14x1.25HR 3

VT20

Iridium-Platinum

4.2/ 5

.043"17.5mm, ⌀14x1.25HR 20

VT20

Iridium-Platinum

4.2/ 5

.043"17.5mm, ⌀14x1.25HR 20

TR5-1IX

Copper-Iridium

3.8/ 5

.039"18mm, ⌀14x1.25HR 5

TR6IX

Copper-Iridium

3.8/ 5

.039"18mm, ⌀14x1.25HR 6

TR5-1IX

Copper-Iridium

3.8/ 5

.039"18mm, ⌀14x1.25HR 5

TR6IX

Copper-Iridium

3.8/ 5

.039"18mm, ⌀14x1.25HR 6

TR4IX

Copper-Iridium

3.8/ 5

.039"18mm, ⌀14x1.25HR 4

TR55-1VX

Copper-Platinum

3.5/ 5

.059"18mm, ⌀14x1.25HR 5

TR55VX

Copper-Platinum

3.5/ 5

.059"18mm, ⌀14x1.25HR 5

TR6GP

Copper-Platinum

3.5/ 5

.039"18mm, ⌀14x1.25HR 6

APP5144

Platinum

3.5/ 5

.055"18mm, ⌀14x1.25HR 2

TR55-1VX

Copper-Platinum

3.5/ 5

.059"18mm, ⌀14x1.25HR 5

TR55VX

Copper-Platinum

3.5/ 5

.059"18mm, ⌀14x1.25HR 5

TR6GP

Copper-Platinum

3.5/ 5

.039"18mm, ⌀14x1.25HR 6

APP5144

Platinum

3.5/ 5

.055"18mm, ⌀14x1.25HR 2

242240519

Copper-Silver

-

3.3/ 5

.024"17.5mm, ⌀14x1.25HR 6

242240519

Copper-Silver

-

3.3/ 5

.024"17.5mm, ⌀14x1.25HR 6

T22EP-U

Copper

-

3.3/ 5

.031"18mm, ⌀14x1.25HR 22

T20EPR-U

Copper

-

3.3/ 5

.031"18mm, ⌀14x1.25HR 20

242240519

Copper-Silver

-

3.3/ 5

.024"17.5mm, ⌀14x1.25HR 6

T20EPR-U

Copper

-

3.3/ 5

.031"18mm, ⌀14x1.25HR 20

AR103

Copper

-

3.3/ 5

.033"17.5mm, ⌀14x1.25HR 1

AP5143

Copper-Platinum

3.2/ 5

.055"18mm, ⌀14x1.25HR 1

HGR7KQC

Copper

3.2/ 5

.063"17.5mm, ⌀14x1.25HR 7

HGR7KQC

Copper

3.2/ 5

.063"17.5mm, ⌀14x1.25HR 7

AP5143

Copper-Platinum

3.2/ 5

.055"18mm, ⌀14x1.25HR 1

TR5-1

Copper

3.1/ 5

.039"18mm, ⌀14x1.25HR 5

TR6

Copper

3.1/ 5

.039"18mm, ⌀14x1.25HR 6

TR5-1

Copper

3.1/ 5

.039"18mm, ⌀14x1.25HR 5

TR6

Copper

3.1/ 5

.039"18mm, ⌀14x1.25HR 6

TR6

Copper

3.1/ 5

.039"18mm, ⌀14x1.25HR 6

BR7EF

Copper

3.1/ 5

.028"18mm, ⌀14x1.25HR 7

TR6

Copper

3.1/ 5

.039"18mm, ⌀14x1.25HR 6

BPR6EFS

Copper

2.9/ 5

.031"18mm, ⌀14x1.25HR 6

BU6EFSZ

Copper

2.9/ 5

.026"18mm, ⌀14x1.25HR 6

BUR6EFSZ

Copper

2.9/ 5

.031"18mm, ⌀14x1.25HR 6

103

Copper

2.9/ 5

.050"17.5mm, ⌀14x1.25HR 1

104

Copper

2.9/ 5

.050"17.5mm, ⌀14x1.25HR 2

2544

Copper

2.9/ 5

.045"18mm, ⌀14x1.25HR 2

5143

Copper

2.9/ 5

.055"18mm, ⌀14x1.25HR 1

5144

Copper

2.9/ 5

.055"18mm, ⌀14x1.25HR 2

764

Copper

2.9/ 5

.045"17.5mm, ⌀14x1.25HR 2

985

Copper

2.9/ 5

.035"19mm, ⌀14x1.25HR 4

RS10LC

Copper

2.9/ 5

.043"21mm, ⌀14x1.25HR 10

RS9YC

Copper

2.9/ 5

.035"17.5mm, ⌀14x1.25HR 9

BPR6EFS

Copper

2.9/ 5

.031"18mm, ⌀14x1.25HR 6

BU6EFSZ

Copper

2.9/ 5

.026"18mm, ⌀14x1.25HR 6

BUR6EFSZ

Copper

2.9/ 5

.031"18mm, ⌀14x1.25HR 6

103

Copper

2.9/ 5

.050"17.5mm, ⌀14x1.25HR 1

104

Copper

2.9/ 5

.050"17.5mm, ⌀14x1.25HR 2

2544

Copper

2.9/ 5

.045"18mm, ⌀14x1.25HR 2

5143

Copper

2.9/ 5

.055"18mm, ⌀14x1.25HR 1

5144

Copper

2.9/ 5

.055"18mm, ⌀14x1.25HR 2

764

Copper

2.9/ 5

.045"17.5mm, ⌀14x1.25HR 2

985

Copper

2.9/ 5

.035"19mm, ⌀14x1.25HR 4

RS10LC

Copper

2.9/ 5

.043"21mm, ⌀14x1.25HR 10

RS9YC

Copper

2.9/ 5

.035"17.5mm, ⌀14x1.25HR 9

BU6EFSZ

Copper

2.9/ 5

.026"18mm, ⌀14x1.25HR 6

104

Copper

2.9/ 5

.050"17.5mm, ⌀14x1.25HR 2

RS9YC

Copper

2.9/ 5

.035"17.5mm, ⌀14x1.25HR 9

BPR6EFS

Copper

2.9/ 5

.031"18mm, ⌀14x1.25HR 6

HR7DC+ 7918

Copper

2.9/ 5

.031"17.5mm, ⌀14x1.25HR 7

RS9YC

Copper

2.9/ 5

.035"17.5mm, ⌀14x1.25HR 9

BP7EFS

Copper

2.9/ 5

.031"18mm, ⌀14x1.25HR 7

BR7EFS

Copper

2.9/ 5

.028"18mm, ⌀14x1.25HR 7

BU6EFSZ

Copper

2.9/ 5

.026"18mm, ⌀14x1.25HR 6

BPR6EFS

Copper

2.9/ 5

.031"18mm, ⌀14x1.25HR 6

103

Copper

2.9/ 5

.050"17.5mm, ⌀14x1.25HR 1

104

Copper

2.9/ 5

.050"17.5mm, ⌀14x1.25HR 2

764

Copper

2.9/ 5

.045"17.5mm, ⌀14x1.25HR 2

RS9YC

Copper

2.9/ 5

.035"17.5mm, ⌀14x1.25HR 9

5243

Copper

2.9/ 5

.045"18mm, ⌀14x1.25HR 1

HR7DC+ 7918

Copper

2.9/ 5

.031"17.5mm, ⌀14x1.25HR 7

Two steps colder (2)

Two steps colder spark plugs with same characteristics for heavily modified engines (150-200 hp increase)

S63YC

Copper

-

3.3/ 5

.026"17.5mm, ⌀14x1.25HR 63

S61YC

Copper

-

3.3/ 5

.026"17.5mm, ⌀14x1.25HR 61