NGK IZTR4A11 4213 Spark Plug

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NGK IZTR4A11 4213 image

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Rating
Brand	Code
4.2 / 5 Overall
NGK	IZTR4A11
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
1.1mm (.043")	4
⌀14mm	1.25mm
Thread diameter	Thread pitch
18mm (.709")	16mm (5/8")
Reach	Hex size
Tapered	Solid
Seat	Terminal
1	Non-Projected
Ground count	Projection

Cross-reference and alternatives

How we find alternative spark plugs How we rate spark plugs

Cross-reference (1)

Alternative spark plugs found in cross-reference docs provided by manufacturers

RS14PMPB5

Platinum

3.8/ 5

.049"17.5mm, ⌀14x1.25HR 14

One step colder (1)

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

IZTR5B11

Iridium-Platinum

-

4.2/ 5

.043"18mm, ⌀14x1.25HR 5