Denso IUH27 5369 Spark Plug

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Rating

4.3 / 5 Overall
Denso	IUH27
Brand	Code
4.0 / 5 Materials
Copper	Iridium
Ground electrode	Center electrode
4.8 / 5 Design
U-Groove	Fine Wire
Ground type	Center type

Specifications

0.9mm (.035")	27
Gap	Heat range
⌀10mm	1mm
Thread diameter	Thread pitch
19mm (3/4")	16mm (5/8")
Reach	Hex size
Gasket	Removable Nut
Seat	Terminal
1	Non-Projected
Ground count	Projection

Cross-reference and alternatives

Cross-reference (2)

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

IMR9C-9H

Iridium-Platinum

4.2/ 5

.035"19mm, ⌀10x1HR 9

CR9EHIX-9

Copper-Iridium

3.8/ 5

.035"19mm, ⌀10x1HR 9

Deep reference (6)

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

XS4302

Iridium-Platinum

4.2/ 5

.031"19mm, ⌀10x1HR 1

XS4302

Iridium-Platinum

4.2/ 5

.031"19mm, ⌀10x1HR 1

U27FER-ZU9

Copper-Platinum

3.9/ 5

.035"19mm, ⌀10x1HR 27

U27FEZ-U9

Copper-Platinum

3.9/ 5

.035"19mm, ⌀10x1HR 27

4302

Copper

2.9/ 5

.031"19mm, ⌀10x1HR 1

4302

Copper

2.9/ 5

.031"19mm, ⌀10x1HR 1

Same specs (1)

Products that have identical characteristics that impact interchangability

IU27

Copper-Iridium

-

4.3/ 5

.035"19mm, ⌀10x1HR 27

One step colder (1)

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

IU31

Copper-Iridium

-

4.3/ 5

.035"19mm, ⌀10x1HR 31