Champion QC12PEP MARINE 956M Spark Plug

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Rating

3.6 / 5 Overall
Champion	QC12PEP MARINE
Brand	Code
4.0 / 5 Materials
Platinum	Platinum
Ground electrode	Center electrode
2.8 / 5 Design
Standard	Standard
Ground type	Center type

Specifications

0.75mm (.030")	12
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

IZFR6N-E

Iridium-Platinum

4.2/ 5

.031"19mm, ⌀14x1.25HR 6

Deep reference (5)

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

QC10WEP

Iridium-Platinum

4.2/ 5

.028"19mm, ⌀14x1.25HR 10

QC8WEP

Iridium-Platinum

4.2/ 5

.028"19mm, ⌀14x1.25HR 8

XP5224

Iridium-Platinum

4.2/ 5

.045"19mm, ⌀14x1.25HR 3

QC10PEPB

Platinum

-

3.6/ 5

.028"19mm, ⌀14x1.25HR 10

QC12PEPB

Platinum

-

3.6/ 5

.028"19mm, ⌀14x1.25HR 12

Same specs (5)

Products that have identical characteristics that impact interchangability

RC12PEPB

Platinum

3.8/ 5

.030"19mm, ⌀14x1.25HR 12

XC12PEPB MARINE

Platinum

3.8/ 5

.030"19mm, ⌀14x1.25HR 12

7712

Platinum

-

3.6/ 5

.030"19mm, ⌀14x1.25HR 12

QC12PEPA MARINE

Platinum

-

3.6/ 5

.030"19mm, ⌀14x1.25HR 12

RC12PMCB3

Copper-Platinum

3.5/ 5

.030"19mm, ⌀14x1.25HR 12

Bigger gap (17)

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

RC12WMPB4

Iridium-Platinum

4.2/ 5

.039"19mm, ⌀14x1.25HR 12

RC12WLPB4

Iridium-Platinum

4.2/ 5

.039"19mm, ⌀14x1.25HR 12

RC12PMPB4

Platinum

3.8/ 5

.039"19mm, ⌀14x1.25HR 12

7318-2

Platinum

3.8/ 5

.039"19mm, ⌀14x1.25HR 12

RC12PLC4

Copper-Platinum

3.3/ 5

.039"19mm, ⌀14x1.25HR 12

RC12PMC4

Copper-Platinum

3.3/ 5

.039"19mm, ⌀14x1.25HR 12

438C2

Copper

2.9/ 5

.035"19mm, ⌀14x1.25HR 12

QC12GMC MARINE

Copper

2.9/ 5

.039"19mm, ⌀14x1.25HR 12

RC12LYC

Copper

2.9/ 5

.035"19mm, ⌀14x1.25HR 12

RC12ECC

Copper

2.9/ 5

.035"19mm, ⌀14x1.25HR 12

439C2

Copper

2.9/ 5

.039"19mm, ⌀14x1.25HR 12

318CC

Copper

2.9/ 5

.039"19mm, ⌀14x1.25HR 12

RC12MCC4

Copper

2.9/ 5

.039"19mm, ⌀14x1.25HR 12

412C2

Copper

2.9/ 5

.035"19mm, ⌀14x1.25HR 12

412CC

Copper

2.9/ 5

.035"19mm, ⌀14x1.25HR 12

RC12MC-4

Copper

2.9/ 5

.039"19mm, ⌀14x1.25HR 12

318C2

Copper

2.9/ 5

.039"19mm, ⌀14x1.25HR 12

One step colder (1)

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

QC10PEP

Platinum

-

3.6/ 5

.030"19mm, ⌀14x1.25HR 10