Denso W14PR-U15 Spark Plug

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Rating

3.3 / 5 Overall
Denso	W14PR-U15
Brand	Code
3.0 / 5 Materials
Copper	Copper
Ground electrode	Center electrode
4.0 / 5 Design
U-Groove	Standard
Ground type	Center type

Specifications

1.5mm (.059")	14
Gap	Heat range
⌀14mm	1.25mm
Thread diameter	Thread pitch
9.5mm (3/8")	21mm (13/16")
Reach	Hex size
Gasket	Solid
Seat	Terminal
1	Non-Projected
Ground count	Projection

Cross-reference and alternatives

Cross-reference (2)

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

XR45

Copper

3.1/ 5

.059"9.5mm, ⌀14x1.25HR 4

847

Copper

2.9/ 5

.071"9.5mm, ⌀14x1.25HR 8

Deep reference (20)

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

WR9FPZ+

Copper-Platinum

-

3.3/ 5

.079"9.5mm, ⌀14x1.25HR 9

WR9FPY

Copper-Platinum

-

3.3/ 5

.059"9.5mm, ⌀14x1.25HR 9

WR9FPZ

Copper-Platinum

-

3.3/ 5

.079"9.5mm, ⌀14x1.25HR 9

WR9FPY+

Copper-Platinum

-

3.3/ 5

.059"9.5mm, ⌀14x1.25HR 9

W16PR-U

Copper

-

3.3/ 5

.028"9.5mm, ⌀14x1.25HR 16

W9PR-U15

Copper

-

3.3/ 5

.059"9.5mm, ⌀14x1.25HR 9

W9PR-U20

Copper

-

3.3/ 5

.079"9.5mm, ⌀14x1.25HR 9

W9PR-U

Copper

-

3.3/ 5

.028"9.5mm, ⌀14x1.25HR 9

XR45

Copper

3.1/ 5

.059"9.5mm, ⌀14x1.25HR 4

847

Copper

2.9/ 5

.071"9.5mm, ⌀14x1.25HR 8

847BP

Copper

2.9/ 5

.071"9.5mm, ⌀14x1.25HR 8

847DP2

Copper

2.9/ 5

.071"9.5mm, ⌀14x1.25HR 8

WR9FCY

Copper

2.9/ 5

.059"9.5mm, ⌀14x1.25HR 9

66C2

Copper

2.9/ 5

.059"9.5mm, ⌀14x1.25HR 18

RJ18YC6

Copper

2.9/ 5

.059"9.5mm, ⌀14x1.25HR 18

RJ18YC6

Copper

2.9/ 5

.059"9.5mm, ⌀14x1.25HR 18

WR10FCY

Copper

2.7/ 5

.059"9.5mm, ⌀14x1.25HR 10

WR10FCZ

Copper

2.7/ 5

.079"9.5mm, ⌀14x1.25HR 10

WR10FCY

Copper

2.7/ 5

.059"9.5mm, ⌀14x1.25HR 10

WR10FCZ

Copper

2.7/ 5

.079"9.5mm, ⌀14x1.25HR 10

One step colder (1)

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

W16PRU-15

Copper

-

3.3/ 5

.059"9.5mm, ⌀14x1.25HR 16