Denso IWM01-31 Spark Plug

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Rating

4.5 / 5 Overall
Denso	IWM01-31
Brand	Code
4.5 / 5 Materials
Platinum	Iridium
Ground electrode	Center electrode
4.5 / 5 Design
Slant	Fine Wire
Ground type	Center type

Specifications

0.6mm (.024")	31
Gap	Heat range
⌀14mm	1.25mm
Thread diameter	Thread pitch
19mm (3/4")	21mm (13/16")
Reach	Hex size
Gasket	Solid
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

R5184-10

Gold-Palladium-Platinum

4.0/ 5

.024"19mm, ⌀14x1.25HR 10

Same specs (2)

Products that have identical characteristics that impact interchangability

IW01-31

Iridium-Platinum

-

4.5/ 5

.024"19mm, ⌀14x1.25HR 31

R7376-10

Iridium-Platinum

-

4.5/ 5

.024"19mm, ⌀14x1.25HR 10

One step colder (3)

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

IW01-34

Iridium-Platinum

-

4.5/ 5

.024"19mm, ⌀14x1.25HR 34

IWM01-34

Iridium-Platinum

-

4.5/ 5

.024"19mm, ⌀14x1.25HR 34

R6179A-11P

Platinum

4.2/ 5

.024"19mm, ⌀14x1.25HR 11