NGK PLKR6A 5149 Spark Plug

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Rating

3.8 / 5 Overall
NGK	PLKR6A
Brand	Code
4.0 / 5 Materials
Platinum	Platinum
Ground electrode	Center electrode
3.5 / 5 Design
Standard	Fine Wire
Ground type	Center type

Specifications

0.8mm (.031")	6
Gap	Heat range
⌀12mm	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 (1)

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

IXUH22

Copper-Iridium

4.3/ 5

.035"26.5mm, ⌀12x1.25HR 22

Deep reference (8)

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

ILKR7B8

Iridium-Platinum

4.2/ 5

.031"26.5mm, ⌀12x1.25HR 7

ILKR7E6

Iridium-Platinum

4.2/ 5

.024"26.5mm, ⌀12x1.25HR 7

YR6NPP332

Platinum

-

3.8/ 5

.031"26.5mm, ⌀12x1.25HR 6

PLKR7A

Platinum

-

3.8/ 5

.031"26.5mm, ⌀12x1.25HR 7

PLKR7B8E

Platinum

-

3.8/ 5

.031"26.5mm, ⌀12x1.25HR 7

LKR7AIX

Copper-Iridium

-

3.8/ 5

.031"26.5mm, ⌀12x1.25HR 7

RER8MC

Copper

2.9/ 5

.033"26.5mm, ⌀12x1.25HR 8

RER8YC

Copper

2.9/ 5

.033"25mm, ⌀12x1.25HR 8

One step colder (2)

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

PLKR7A

Platinum

-

3.8/ 5

.031"26.5mm, ⌀12x1.25HR 7

PLKR7B8E

Platinum

-

3.8/ 5

.031"26.5mm, ⌀12x1.25HR 7