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Denso IU31 Spark Plug

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Denso IU31 image
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Rating
4.3 / 5
Overall
DensoIU31
BrandCode
4.0 / 5
Materials
CopperIridium
Ground electrodeCenter electrode
4.8 / 5
Design
U-GrooveFine Wire
Ground typeCenter type
Specifications
0.9mm (.035")31
GapHeat range
⌀10mm1mm
Thread diameterThread pitch
19mm (3/4")16mm (5/8")
ReachHex size
GasketRemovable Nut
SeatTerminal
1Non-Projected
Ground countProjection

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
Copper-Iridium
3.8/ 5
.031"19mm, ⌀10x1HR 10
Copper
2.9/ 5
.031"19mm, ⌀10x1HR 10
Copper
2.9/ 5
.030"19mm, ⌀10x1HR 57

Deep reference (6)

A second level of cross-reference: if A=B and B=C, then A=C
Iridium-Platinum
4.5/ 5
.024"19mm, ⌀10x1HR 10
Iridium-Platinum
4.2/ 5
.031"19mm, ⌀10x1HR 1
Iridium-Platinum
4.2/ 5
.031"19mm, ⌀10x1HR 1
Copper
2.9/ 5
.031"19mm, ⌀10x1HR 31
Copper
2.9/ 5
.031"19mm, ⌀10x1HR 1
Copper
2.9/ 5
.031"19mm, ⌀10x1HR 1