Denso PKH20TT 4506 Spark Plug

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Rating
Brand	Code
3.7 / 5 Overall
Denso	PKH20TT
3.0 / 5 Materials
Titanium	Platinum
Ground electrode	Center electrode
5.0 / 5 Design
Fine Wire	Fine Wire
Ground type	Center type

Specifications
Gap	Heat range
1mm (.039")	20
⌀14mm	1.25mm
Thread diameter	Thread pitch
26.5mm (1.04")	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 (14)

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

DILFR6D11

Iridium-Platinum

4.7/ 5

.043"26.5mm, ⌀14x1.25HR 6

DILFR6J11

Iridium-Platinum

4.7/ 5

.043"26.5mm, ⌀14x1.25HR 6

SILFR6A

Iridium-Platinum

4.4/ 5

.031"26.5mm, ⌀14x1.25HR 6

SILFR6A11

Iridium-Platinum

4.4/ 5

.043"26.5mm, ⌀14x1.25HR 6

SILFR6B8

Iridium-Platinum

4.3/ 5

.031"26.5mm, ⌀14x1.25HR 6

SILFR6C11

Iridium-Platinum

4.3/ 5

.043"26.5mm, ⌀14x1.25HR 6

ILFR6A

Iridium-Platinum

4.2/ 5

.031"26.5mm, ⌀14x1.25HR 6

ILFR6B

Iridium-Platinum

4.2/ 5

.031"26.5mm, ⌀14x1.25HR 6

ILFR6J-11K

Iridium-Platinum

4.2/ 5

.043"26.5mm, ⌀14x1.25HR 6

ILZFR6D11

Iridium-Platinum

4.2/ 5

.043"26.5mm, ⌀14x1.25HR 6

PLFR6C-10G

Platinum

3.8/ 5

.039"26.5mm, ⌀14x1.25HR 6

PLZFR6A-11S

Platinum

3.8/ 5

.043"26.5mm, ⌀14x1.25HR 6

LFR6CGP

Copper-Platinum

3.5/ 5

.039"26.5mm, ⌀14x1.25HR 6

LZFR6AP11GS

Copper-Platinum

3.5/ 5

.043"26.5mm, ⌀14x1.25HR 6

Deep reference (33)

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

FK20HR-11

Iridium-Platinum

4.7/ 5

.043"26.5mm, ⌀14x1.25HR 20

IKH20TT

Iridium-Platinum

4.7/ 5

.039"26.5mm, ⌀14x1.25HR 20

IKH20TT

Iridium-Platinum

4.7/ 5

.039"26.5mm, ⌀14x1.25HR 20

IKH20TT

Iridium-Platinum

4.7/ 5

.039"26.5mm, ⌀14x1.25HR 20

IKH20TT

Iridium-Platinum

4.7/ 5

.039"26.5mm, ⌀14x1.25HR 20

IKH20TT

Iridium-Platinum

4.7/ 5

.039"26.5mm, ⌀14x1.25HR 20

IKH20TT

Iridium-Platinum

4.7/ 5

.039"26.5mm, ⌀14x1.25HR 20

IKH20TT

Iridium-Platinum

4.7/ 5

.039"26.5mm, ⌀14x1.25HR 20

IKH20TT

Iridium-Platinum

4.7/ 5

.039"26.5mm, ⌀14x1.25HR 20

IKH20TT

Iridium-Platinum

4.7/ 5

.039"26.5mm, ⌀14x1.25HR 20

IKH20TT

Iridium-Platinum

4.7/ 5

.039"26.5mm, ⌀14x1.25HR 20

IKH20TT

Iridium-Platinum

4.7/ 5

.039"26.5mm, ⌀14x1.25HR 20

IKH20TT

Iridium-Platinum

4.7/ 5

.039"26.5mm, ⌀14x1.25HR 20

IKH20TT

Iridium-Platinum

4.7/ 5

.039"26.5mm, ⌀14x1.25HR 20

IKH20TT

Iridium-Platinum

4.7/ 5

.039"26.5mm, ⌀14x1.25HR 20

242236528

Iridium

4.5/ 5

.028"26.5mm, ⌀14x1.25HR 7

IKH20

Copper-Iridium

4.3/ 5

.043"26.5mm, ⌀14x1.25HR 20

IKH20

Copper-Iridium

4.3/ 5

.043"26.5mm, ⌀14x1.25HR 20

IKH20

Copper-Iridium

4.3/ 5

.043"26.5mm, ⌀14x1.25HR 20

IKH20

Copper-Iridium

4.3/ 5

.043"26.5mm, ⌀14x1.25HR 20

IKH20

Copper-Iridium

4.3/ 5

.043"26.5mm, ⌀14x1.25HR 20

REC8WMPB4

Iridium-Platinum

4.2/ 5

.041"26.5mm, ⌀14x1.25HR 8

VKH20Y

Iridium-Platinum

4.2/ 5

.031"26.5mm, ⌀14x1.25HR 20

VKH20

Iridium-Platinum

4.2/ 5

.043"26.5mm, ⌀14x1.25HR 20

VKH20Y

Iridium-Platinum

4.2/ 5

.031"26.5mm, ⌀14x1.25HR 20

VKH20

Iridium-Platinum

4.2/ 5

.043"26.5mm, ⌀14x1.25HR 20

VKH20

Iridium-Platinum

4.2/ 5

.043"26.5mm, ⌀14x1.25HR 20

VKH20

Iridium-Platinum

4.2/ 5

.043"26.5mm, ⌀14x1.25HR 20

VKH20Y

Iridium-Platinum

4.2/ 5

.031"26.5mm, ⌀14x1.25HR 20

SK20HPR-L11

Iridium-Platinum

4.2/ 5

.043"26.5mm, ⌀14x1.25HR 20

VKH20

Iridium-Platinum

4.2/ 5

.043"26.5mm, ⌀14x1.25HR 20

VKH20

Iridium-Platinum

4.2/ 5

.043"26.5mm, ⌀14x1.25HR 20

FR7NPP30X

Copper-Platinum

3.5/ 5

.043"26.5mm, ⌀14x1.25HR 7

Same specs (1)

Products that have identical characteristics that impact interchangability

IKH20TT

Iridium-Platinum

4.7/ 5

.039"26.5mm, ⌀14x1.25HR 20

Bigger gap (4)

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

FK20HR-11

Iridium-Platinum

4.7/ 5

.043"26.5mm, ⌀14x1.25HR 20

LFR6AHX-S

Platinum-Ruthenium

4.7/ 5

.043"26.5mm, ⌀14x1.25HR 6

DILFR6J11

Iridium-Platinum

4.7/ 5

.043"26.5mm, ⌀14x1.25HR 6

DILFR6D11

Iridium-Platinum

4.7/ 5

.043"26.5mm, ⌀14x1.25HR 6

One step colder (1)

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

DILFR7B10G

Iridium-Platinum

4.7/ 5

.039"26.5mm, ⌀14x1.25HR 7