Denso W20PR-U Spark Plug

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Rating

3.3 / 5 Overall
Denso	W20PR-U
Brand	Code
3.0 / 5 Materials
Copper	Copper
Ground electrode	Center electrode
4.0 / 5 Design
U-Groove	Standard
Ground type	Center type

Specifications

0.7mm (.028")	20
Gap	Heat range
⌀14mm	1.25mm
Thread diameter	Thread pitch
9.5mm (3/8")	21mm (13/16")
Reach	Hex size
Gasket	Removable Nut
Seat	Terminal
1	Non-Projected
Ground count	Projection

Cross-reference and alternatives

Cross-reference (3)

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

R5670-6

Copper

3.1/ 5

.031"9.5mm, ⌀14x1.25HR 6

XR5

Copper

3.1/ 5

.039"9.5mm, ⌀14x1.25HR 5

BR6S

Copper

2.9/ 5

.028"9.5mm, ⌀14x1.25HR 6

Deep reference (11)

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

W20P-U

Copper

-

3.3/ 5

.031"9.5mm, ⌀14x1.25HR 20

AR73

Copper

-

3.3/ 5

.024"9.5mm, ⌀14x1.25HR 3

AP303

Copper-Platinum

3.2/ 5

.035"9.5mm, ⌀14x1.25HR 4

14C2

Copper

2.9/ 5

.035"9.5mm, ⌀14x1.25HR 12

RJ12YC

Copper

2.9/ 5

.035"9.5mm, ⌀14x1.25HR 12

303

Copper

2.9/ 5

.035"9.5mm, ⌀14x1.25HR 4

WR9EC0

Copper

2.9/ 5

.031"9.5mm, ⌀14x1.25HR 9

592-1

Copper

2.9/ 5

.030"9.5mm, ⌀14x1.25HR 12

592C

Copper

2.9/ 5

.030"9.5mm, ⌀14x1.25HR 12

RJ12C

Copper

2.9/ 5

.030"9.5mm, ⌀14x1.25HR 12

RJ6C

Copper

2.9/ 5

.030"9.5mm, ⌀14x1.25HR 6

Bigger gap (1)

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

W20MPRU10

Copper

-

3.3/ 5

.039"9.5mm, ⌀14x1.25HR 20