NGK LZFR6AI 3656 Spark Plug

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Rating

4.2 / 5 Overall
NGK	LZFR6AI
Brand	Code
4.5 / 5 Materials
Platinum	Iridium
Ground electrode	Center electrode
3.5 / 5 Design
Standard	Fine Wire
Ground type	Center type

Specifications

0.8mm (.031")	6
Gap	Heat range
⌀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

Cross-reference (2)

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

IKH20

Copper-Iridium

4.3/ 5

.043"26.5mm, ⌀14x1.25HR 20

VKH20

Iridium-Platinum

-

4.2/ 5

.043"26.5mm, ⌀14x1.25HR 20

Deep reference (23)

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

242236528

Iridium

4.5/ 5

.028"26.5mm, ⌀14x1.25HR 7

242236528

Iridium

4.5/ 5

.028"26.5mm, ⌀14x1.25HR 7

SILFR6A11

Iridium-Platinum

4.4/ 5

.043"26.5mm, ⌀14x1.25HR 6

SILFR6A11

Iridium-Platinum

4.4/ 5

.043"26.5mm, ⌀14x1.25HR 6

SILFR6C11

Iridium-Platinum

4.3/ 5

.043"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

ILFR6A

Iridium-Platinum

-

4.2/ 5

.031"26.5mm, ⌀14x1.25HR 6

ILFR6B

Iridium-Platinum

-

4.2/ 5

.031"26.5mm, ⌀14x1.25HR 6

ILZFR6D11

Iridium-Platinum

-

4.2/ 5

.043"26.5mm, ⌀14x1.25HR 6

242235769

Copper-Iridium

3.8/ 5

.039"26.5mm, ⌀14x1.25HR 7

242240619

Platinum

3.8/ 5

.031"26.5mm, ⌀14x1.25HR 6

242236510

Platinum

3.8/ 5

.039"26.5mm, ⌀14x1.25HR 7

PLZFR6A-11S

Platinum

3.8/ 5

.043"26.5mm, ⌀14x1.25HR 6

LFR6AIX-11

Copper-Iridium

3.8/ 5

.043"26.5mm, ⌀14x1.25HR 6

242240619

Platinum

3.8/ 5

.031"26.5mm, ⌀14x1.25HR 6

PLZFR6A-11S

Platinum

3.8/ 5

.043"26.5mm, ⌀14x1.25HR 6

242236510

Platinum

3.8/ 5

.039"26.5mm, ⌀14x1.25HR 7

242235769

Copper-Iridium

3.8/ 5

.039"26.5mm, ⌀14x1.25HR 7

LFR6AIX-11

Copper-Iridium

3.8/ 5

.043"26.5mm, ⌀14x1.25HR 6

242235743

Copper-Platinum

3.5/ 5

.028"26.5mm, ⌀14x1.25HR 7

242235743

Copper-Platinum

3.5/ 5

.028"26.5mm, ⌀14x1.25HR 7

Bigger gap (2)

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

PLZFR6A-11S

Platinum

3.8/ 5

.043"26.5mm, ⌀14x1.25HR 6

LZFR6AP11GS

Copper-Platinum

3.5/ 5

.043"26.5mm, ⌀14x1.25HR 6