Denso MA9P-U Spark Plug

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Rating
Brand	Code
3.3 / 5 Overall
Denso	MA9P-U
3.0 / 5 Materials
Copper	Copper
Ground electrode	Center electrode
4.0 / 5 Design
U-Groove	Standard
Ground type	Center type

Specifications
Gap	Heat range
0.9mm (.035")	9
⌀18mm	1.5mm
Thread diameter	Thread pitch
11.6mm (.460")	21mm (13/16")
Reach	Hex size
Tapered	Removable Nut
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 (3)

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

WR4-1

Copper

3.1/ 5

.039"13.7mm, ⌀18x1.5HR 4

RF18YC

Copper

2.9/ 5

.035"11mm, ⌀18x1.5HR 18

46

Copper

2.9/ 5

.043"11mm, ⌀18x1.5HR 3

Deep reference (12)

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

MA9PR-U

Copper

3.3/ 5

.035"11.6mm, ⌀18x1.5HR 9

MA16PR-U

Copper

3.3/ 5

.035"11.6mm, ⌀18x1.5HR 16

WR5

Copper

3.1/ 5

.039"11mm, ⌀18x1.5HR 5

WR5

Copper

3.1/ 5

.039"11mm, ⌀18x1.5HR 5

5125

Copper

2.9/ 5

.045"11.6mm, ⌀18x1.5HR 2

5125BP

Copper

2.9/ 5

.045"11.6mm, ⌀18x1.5HR 2

5125DP2

Copper

2.9/ 5

.045"11.6mm, ⌀18x1.5HR 2

130C2

Copper

2.9/ 5

.043"12.7mm, ⌀18x1.5HR 14

RF14LC

Copper

2.9/ 5

.043"12.7mm, ⌀18x1.5HR 14

46

Copper

2.9/ 5

.043"11mm, ⌀18x1.5HR 3

RF14YC

Copper

2.9/ 5

.039"11mm, ⌀18x1.5HR 14

RF18YC

Copper

2.9/ 5

.035"11mm, ⌀18x1.5HR 18