Champion 412CC Spark Plug

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Rating
Brand	Code
2.9 / 5 Overall
Champion	412CC
3.0 / 5 Materials
Copper	Copper
Ground electrode	Center electrode
2.8 / 5 Design
Standard	Standard
Ground type	Center type

Specifications
Gap	Heat range
0.9mm (.035")	12
⌀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

Same specs (4)

Products that have identical characteristics that impact interchangability

412C2

Copper

2.9/ 5

.035"19mm, ⌀14x1.25HR 12

438C2

Copper

2.9/ 5

.035"19mm, ⌀14x1.25HR 12

RC12ECC

Copper

2.9/ 5

.035"19mm, ⌀14x1.25HR 12

RC12LYC

Copper

2.9/ 5

.035"19mm, ⌀14x1.25HR 12

Bigger gap (13)

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

RC12WEPB

Iridium-Platinum

4.2/ 5

.045"19mm, ⌀14x1.25HR 12

RC12WLPB4

Iridium-Platinum

4.2/ 5

.039"19mm, ⌀14x1.25HR 12

RC12WMPB4

Iridium-Platinum

4.2/ 5

.039"19mm, ⌀14x1.25HR 12

7318-2

Platinum

3.8/ 5

.039"19mm, ⌀14x1.25HR 12

RC12PMPB4

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

318CC

Copper

2.9/ 5

.039"19mm, ⌀14x1.25HR 12

318C2

Copper

2.9/ 5

.039"19mm, ⌀14x1.25HR 12

RC12MC-4

Copper

2.9/ 5

.039"19mm, ⌀14x1.25HR 12

RC12MCC4

Copper

2.9/ 5

.039"19mm, ⌀14x1.25HR 12

439C2

Copper

2.9/ 5

.039"19mm, ⌀14x1.25HR 12

QC12GMC MARINE

Copper

2.9/ 5

.039"19mm, ⌀14x1.25HR 12

One step colder (3)

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

RC10PEC

Copper-Platinum

3.3/ 5

.035"19mm, ⌀14x1.25HR 10

RC10ECC

Copper

2.9/ 5

.035"19mm, ⌀14x1.25HR 10

RC9MCC

Copper

2.9/ 5

.035"19mm, ⌀14x1.25HR 9