Champion RE10WYPB5 9901 Spark Plug

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Rating

4.2 / 5 Overall
Champion	RE10WYPB5
Brand	Code
4.5 / 5 Materials
Platinum	Iridium
Ground electrode	Center electrode
3.5 / 5 Design
Standard	Fine Wire
Ground type	Center type

Specifications

1.25mm (.049")	10
Gap	Heat range
⌀14mm	1.25mm
Thread diameter	Thread pitch
25mm (1")	16mm (5/8")
Reach	Hex size
Tapered	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

ILTR5E11

Iridium-Platinum

-

4.2/ 5

.043"25mm, ⌀14x1.25HR 5

Deep reference (3)

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

ITV16TT

Iridium-Platinum

4.7/ 5

.039"25mm, ⌀14x1.25HR 16

ITV16

Copper-Iridium

4.3/ 5

.043"25mm, ⌀14x1.25HR 16

PTV16TT

Platinum-Titanium

3.7/ 5

.039"25mm, ⌀14x1.25HR 16

Same specs (1)

Products that have identical characteristics that impact interchangability

9901S

Iridium-Platinum

-

4.2/ 5

.049"25mm, ⌀14x1.25HR 10

Bigger gap (1)

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

RE7PYP6

Platinum

3.8/ 5

.059"25mm, ⌀14x1.25HR 10

One step colder (1)

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

RES8PYB5

Copper-Platinum

3.5/ 5

.049"25mm, ⌀14x1.25HR 8