Denso W20MPU Spark Plug

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Rating

3.3 / 5 Overall
Denso	W20MPU
Brand	Code
3.0 / 5 Materials
Copper	Copper
Ground electrode	Center electrode
4.0 / 5 Design
U-Groove	Standard
Ground type	Center type

Specifications

0.6mm (.024")	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 (1)

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

BPMR6A

Copper

2.9/ 5

.028"9.5mm, ⌀14x1.25HR 6

Deep reference (5)

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

XST2976

Iridium-Platinum

4.2/ 5

.024"9.5mm, ⌀14x1.25HR 4

WSR6F

Copper

-

3.3/ 5

.020"9.5mm, ⌀14x1.25HR 6

RCJ8Y

Copper

2.9/ 5

.024"9.5mm, ⌀14x1.25HR 8

2976

Copper

2.9/ 5

.024"9.5mm, ⌀14x1.25HR 4

863S

Copper

2.9/ 5

.024"9.5mm, ⌀14x1.25HR 8

Bigger gap (1)

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

W20P-U

Copper

-

3.3/ 5

.031"9.5mm, ⌀14x1.25HR 20

One step colder (1)

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

W22MP-U

Copper

-

3.3/ 5

.024"9.5mm, ⌀14x1.25HR 22