NGK PFR6B11B Spark Plug

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Rating

3.8 / 5 Overall
NGK	PFR6B11B
Brand	Code
4.0 / 5 Materials
Platinum	Platinum
Ground electrode	Center electrode
3.5 / 5 Design
Standard	Fine Wire
Ground type	Center type

Specifications

1.1mm (.043")	6
Gap	Heat range
⌀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

Cross-reference (2)

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

VK20

Iridium-Platinum

4.2/ 5

.043"19mm, ⌀14x1.25HR 20

PK20R11

Platinum

-

3.8/ 5

.043"19mm, ⌀14x1.25HR 20

Deep reference (55)

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

SIFR6A11

Iridium-Platinum

4.3/ 5

.043"19mm, ⌀14x1.25HR 6

IFR6D10

Iridium-Platinum

4.2/ 5

.039"19mm, ⌀14x1.25HR 6

IFR6J11

Iridium-Platinum

4.2/ 5

.043"19mm, ⌀14x1.25HR 6

242240628

Platinum

-

3.8/ 5

.028"19mm, ⌀14x1.25HR 6

242240627

Platinum

-

3.8/ 5

.028"19mm, ⌀14x1.25HR 6

242235776

Platinum

-

3.8/ 5

.039"19mm, ⌀14x1.25HR 7

F7DPP222T

Platinum

-

3.8/ 5

.031"19mm, ⌀14x1.25HR 7

BKR6EIX

Copper-Iridium

-

3.8/ 5

.031"19mm, ⌀14x1.25HR 6

PFR6B

Platinum

-

3.8/ 5

.028"19mm, ⌀14x1.25HR 6

BKR6EIX-11

Copper-Iridium

-

3.8/ 5

.043"19mm, ⌀14x1.25HR 6

BKR5EKUP

Copper-Platinum

3.7/ 5

.024"19mm, ⌀14x1.25HR 5

RC8PYP4

Platinum

3.6/ 5

.041"19mm, ⌀14x1.25HR 8

FGR7DQP OSN

Copper-Platinum

3.5/ 5

.063"19mm, ⌀14x1.25HR 7

FGR7DQP

Copper-Platinum

3.5/ 5

.063"19mm, ⌀14x1.25HR 7

BKR6EP-11

Copper-Platinum

3.5/ 5

.043"19mm, ⌀14x1.25HR 6

BKR6EQUP

Copper-Platinum

3.4/ 5

.020"19mm, ⌀14x1.25HR 6

241240585

Copper-Silver

3.3/ 5

.028"19mm, ⌀14x1.25HR 6

FR6LDC

Copper

3.3/ 5

.035"19mm, ⌀14x1.25HR 6

BCP6ET

Copper

3.3/ 5

.035"19mm, ⌀14x1.25HR 6

BKR5EK

Copper

3.3/ 5

.031"19mm, ⌀14x1.25HR 5

BKR6EK

Copper

3.3/ 5

.035"19mm, ⌀14x1.25HR 6

BKR6EKC

Copper

3.3/ 5

.035"19mm, ⌀14x1.25HR 6

BKR6EKE

Copper

3.3/ 5

.026"19mm, ⌀14x1.25HR 6

BKUR6ET

Copper

3.3/ 5

.031"19mm, ⌀14x1.25HR 6

BKUR6ETB

Copper

3.3/ 5

.031"19mm, ⌀14x1.25HR 6

RC89TMC

Copper

3.3/ 5

.020"19mm, ⌀14x1.25HR 89

FGR6KQE

Copper

3.2/ 5

.063"19mm, ⌀14x1.25HR 6

FGR7KQE0

Copper

3.2/ 5

.063"19mm, ⌀14x1.25HR 7

FGR8KQE

Copper

3.2/ 5

.063"19mm, ⌀14x1.25HR 8

FLR8LDCU

Copper

3.2/ 5

.039"19mm, ⌀14x1.25HR 8

BKR5EKU

Copper

3.1/ 5

.028"19mm, ⌀14x1.25HR 5

BKR6E

Copper

3.1/ 5

.031"19mm, ⌀14x1.25HR 6

BKR6EKU

Copper

3.1/ 5

.024"19mm, ⌀14x1.25HR 6

BKR6EKUB

Copper

3.1/ 5

.020"19mm, ⌀14x1.25HR 6

BKR6EKUE

Copper

3.1/ 5

.020"19mm, ⌀14x1.25HR 6

BKR6EQUA

Copper

3.1/ 5

.020"19mm, ⌀14x1.25HR 6

BKR6EY

Copper

3.1/ 5

.035"19mm, ⌀14x1.25HR 6

BKR6EYA

Copper

3.1/ 5

.031"19mm, ⌀14x1.25HR 6

FR5

Copper

3.1/ 5

.039"19mm, ⌀14x1.25HR 5

FR5-1

Copper

3.1/ 5

.039"19mm, ⌀14x1.25HR 5

RW77N .015

Copper

3.1/ 5

.016"25mm, ⌀7/8"xHR 77

F7DC

Copper

2.9/ 5

.028"19mm, ⌀14x1.25HR 7

FR6DCX

Copper

2.9/ 5

.043"19mm, ⌀14x1.25HR 6

FR7DC+

Copper

2.9/ 5

.035"19mm, ⌀14x1.25HR 7

BKR6ES

Copper

2.9/ 5

.035"19mm, ⌀14x1.25HR 6

BKR6EZB

Copper

2.9/ 5

.035"19mm, ⌀14x1.25HR 6

5224

Copper

2.9/ 5

.045"19mm, ⌀14x1.25HR 3

QC9MC4

Copper

2.9/ 5

.039"19mm, ⌀14x1.25HR 9

RC8YC

Copper

2.9/ 5

.030"19mm, ⌀14x1.25HR 8

RC8YC4

Copper

2.9/ 5

.039"19mm, ⌀14x1.25HR 8

RC9MC4

Copper

2.9/ 5

.039"19mm, ⌀14x1.25HR 9

RC9MCC

Copper

2.9/ 5

.035"19mm, ⌀14x1.25HR 9

RC9YC

Copper

2.9/ 5

.035"19mm, ⌀14x1.25HR 9

RC9YC4

Copper

2.9/ 5

.039"19mm, ⌀14x1.25HR 9

RC9YCN4

Copper

2.9/ 5

.039"19mm, ⌀14x1.25HR 9

Same specs (1)

Products that have identical characteristics that impact interchangability

IFR6A-11

Iridium-Platinum

4.2/ 5

.043"19mm, ⌀14x1.25HR 6

One step colder (2)

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

BKR7E-11 OSN

Copper

3.1/ 5

.043"19mm, ⌀14x1.25HR 7

BKR7ES-11 OSN

Copper

2.9/ 5

.043"19mm, ⌀14x1.25HR 7