Denso J16AR-U11 Spark Plug

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Rating
Brand	Code
3.3 / 5 Overall
Denso	J16AR-U11
3.0 / 5 Materials
Copper	Copper
Ground electrode	Center electrode
4.0 / 5 Design
U-Groove	Standard
Ground type	Center type

Specifications
Gap	Heat range
1.1mm (.043")	16
⌀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

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Same specs (2)

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J16BR-U11

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.043"19mm, ⌀14x1.25HR 16

W16EXR-U11

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One step colder (1)

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

W20EXR-U11 SOLID

Copper

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3.3/ 5

.043"19mm, ⌀14x1.25HR 20