Champion EP3RCWYP15-1 OBS Spark Plug

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Rating
Brand	Code
4.2 / 5 Overall
Champion	EP3RCWYP15-1 OBS
4.5 / 5 Materials
Platinum	Iridium
Ground electrode	Center electrode
3.5 / 5 Design
Standard	Fine Wire
Ground type	Center type

Specifications
Gap	Heat range
0.35mm (.014")	3
⌀14mm	1.25mm
Thread diameter	Thread pitch
19mm (3/4")	16mm (5/8")
Reach	Hex size
Gasket	Shielded
Seat	Terminal
1	Non-Projected
Ground count	Projection

Cross-reference and alternatives

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Same specs (5)

Products that have identical characteristics that impact interchangability

EP3RCWYP15-1

Iridium-Platinum

-

4.2/ 5

.014"19mm, ⌀14x1.25HR 3

RC78WYP15

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.014"19mm, ⌀14x1.25HR 78

RC78PYP .015

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.014"19mm, ⌀14x1.25HR 78

RC78PYP15

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RC78YCC15

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2.9/ 5

.014"19mm, ⌀14x1.25HR 78

Bigger gap (4)

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

RC78PYP .021

Platinum

3.6/ 5

.022"19mm, ⌀14x1.25HR 78

RC78PYP17

Platinum

3.6/ 5

.018"19mm, ⌀14x1.25HR 78

RC78PYP25

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3.6/ 5

.026"19mm, ⌀14x1.25HR 78

RC78PYP21

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3.6/ 5

.022"19mm, ⌀14x1.25HR 78