Denso IK24 Spark Plug

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Rating
Brand	Code
4.3 / 5 Overall
Denso	IK24
4.0 / 5 Materials
Copper	Iridium
Ground electrode	Center electrode
4.8 / 5 Design
U-Groove	Fine Wire
Ground type	Center type

Specifications
Gap	Heat range
0.8mm (.031")	24
⌀14mm	1.25mm
Thread diameter	Thread pitch
19mm (3/4")	16mm (5/8")
Reach	Hex size
Gasket	Solid
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 (4)

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

BKR8EIX

Copper-Iridium

3.8/ 5

.031"19mm, ⌀14x1.25HR 8

R5671A-8

Copper

3.1/ 5

.031"19mm, ⌀14x1.25HR 8

R5672A-8

Copper

3.1/ 5

.031"19mm, ⌀14x1.25HR 8

C63YC

Copper

2.9/ 5

.026"19mm, ⌀14x1.25HR 63

Deep reference (16)

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

IQ24

Copper-Iridium

4.3/ 5

.031"19mm, ⌀14x1.25HR 24

XS3922

Iridium-Platinum

4.2/ 5

.039"19mm, ⌀14x1.25HR 1

C61Y

Copper

3.5/ 5

.030"19mm, ⌀14x1.25HR 61

QC59YC

Copper

3.3/ 5

.030"19mm, ⌀14x1.25HR 59

K24PR-U11

Copper

3.3/ 5

.043"19mm, ⌀14x1.25HR 24

C61CX

Copper

3.3/ 5

.035"19mm, ⌀14x1.25HR 61

AR3934

Copper

3.3/ 5

.024"19mm, ⌀14x1.25HR 4

W24ES-U

Copper

3.3/ 5

.031"19mm, ⌀14x1.25HR 24

AR3911

Copper

3.3/ 5

.024"19mm, ⌀14x1.25HR 4

C61HCX

Copper

3.3/ 5

.035"19mm, ⌀14x1.25HR 61

W24EP-U

Copper

3.3/ 5

.031"19mm, ⌀14x1.25HR 24

AR52

Copper

3.3/ 5

.024"19mm, ⌀14x1.25HR 4

BKR7E

Copper

3.1/ 5

.035"19mm, ⌀14x1.25HR 7

C61C

Copper

2.9/ 5

.026"19mm, ⌀14x1.25HR 61

C61YC

Copper

2.9/ 5

.026"19mm, ⌀14x1.25HR 61

3922

Copper

2.9/ 5

.039"19mm, ⌀14x1.25HR 1

Same specs (1)

Products that have identical characteristics that impact interchangability

IQ24

Copper-Iridium

4.3/ 5

.031"19mm, ⌀14x1.25HR 24

Bigger gap (1)

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

K24PR-U11

Copper

3.3/ 5

.043"19mm, ⌀14x1.25HR 24

One step colder (2)

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

IQ27

Copper-Iridium

4.3/ 5

.031"19mm, ⌀14x1.25HR 27

IK27

Copper-Iridium

4.3/ 5

.031"19mm, ⌀14x1.25HR 27