Denso W16EP-U10 Spark Plug

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Rating

3.3 / 5 Overall
Denso	W16EP-U10
Brand	Code
3.0 / 5 Materials
Copper	Copper
Ground electrode	Center electrode
4.0 / 5 Design
U-Groove	Standard
Ground type	Center type

Specifications

1mm (.039")	16
Gap	Heat range
⌀14mm	1.25mm
Thread diameter	Thread pitch
19mm (3/4")	21mm (13/16")
Reach	Hex size
Gasket	Solid
Seat	Terminal
1	Non-Projected
Ground count	Projection

Cross-reference and alternatives

Bigger gap (3)

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

W16EX-U11

Copper

-

3.3/ 5

.043"19mm, ⌀14x1.25HR 16

W16EP-U11

Copper

-

3.3/ 5

.043"19mm, ⌀14x1.25HR 16

W16EXR-U13

Copper

-

3.3/ 5

.050"19mm, ⌀14x1.25HR 16

One step colder (1)

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

W20EP-U10

Copper

-

3.3/ 5

.039"19mm, ⌀14x1.25HR 20