NGK UR45VX 3969 Spark Plug

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Rating

3.5 / 5 Overall
NGK	UR45VX
Brand	Code
3.5 / 5 Materials
Copper	Platinum
Ground electrode	Center electrode
3.5 / 5 Design
Standard	Fine Wire
Ground type	Center type

Specifications

1.5mm (.059")	4
Gap	Heat range
⌀14mm	1.25mm
Thread diameter	Thread pitch
11.6mm (.460")	16mm (5/8")
Reach	Hex size
Gasket	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

AP666

Copper-Platinum

3.2/ 5

.059"9.5mm, ⌀14x1.25HR 5

Deep reference (5)

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

UR45GP

Copper-Platinum

-

3.5/ 5

.059"11.6mm, ⌀14x1.25HR 4

UR55VX

Copper-Platinum

-

3.5/ 5

.059"11.6mm, ⌀14x1.25HR 5

HR9BPZ+

Copper-Platinum

3.3/ 5

.079"12.7mm, ⌀14x1.25HR 9

HR9BPY

Copper-Platinum

3.3/ 5

.059"11mm, ⌀14x1.25HR 9

HR9BPZ

Copper-Platinum

3.3/ 5

.079"11mm, ⌀14x1.25HR 9

One step colder (2)

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

UR55VX

Copper-Platinum

-

3.5/ 5

.059"11.6mm, ⌀14x1.25HR 5

YR55VX

Copper-Platinum

-

3.5/ 5

.059"11.6mm, ⌀14x1.25HR 5