NGK B-4L 3112 Spark Plug

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Rating
Brand	Code
3.1 / 5 Overall
NGK	B-4L
3.0 / 5 Materials
Copper	Copper
Ground electrode	Center electrode
3.3 / 5 Design
Standard	V-Cut
Ground type	Center type

Specifications
Gap	Heat range
0.7mm (.028")	4
⌀14mm	1.25mm
Thread diameter	Thread pitch
11.6mm (.460")	21mm (13/16")
Reach	Hex size
Gasket	Removable Nut
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 (6)

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

437

Copper

2.9/ 5

.033"11mm, ⌀14x1.25HR 3

H12

Copper

2.9/ 5

.030"11mm, ⌀14x1.25HR 12

RH18Y

Copper

2.9/ 5

.026"11mm, ⌀14x1.25HR 18

W14L

Copper

2.9/ 5

.028"11mm, ⌀14x1.25HR 14

216

Copper

2.9/ 5

.030"11mm, ⌀14x1.25HR 2

4316

Copper

2.9/ 5

.031"11mm, ⌀14x1.25HR 2

Deep reference (29)

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

H14Y

Copper

2.9/ 5

.035"11mm, ⌀14x1.25HR 14

RH18Y

Copper

2.9/ 5

.026"11mm, ⌀14x1.25HR 18

W14L

Copper

2.9/ 5

.028"11mm, ⌀14x1.25HR 14

W14L

Copper

2.9/ 5

.028"11mm, ⌀14x1.25HR 14

216

Copper

2.9/ 5

.030"11mm, ⌀14x1.25HR 2

4316

Copper

2.9/ 5

.031"11mm, ⌀14x1.25HR 2

B-6L

Copper

2.9/ 5

.028"11.6mm, ⌀14x1.25HR 6

437

Copper

2.9/ 5

.033"11mm, ⌀14x1.25HR 3

216

Copper

2.9/ 5

.030"11mm, ⌀14x1.25HR 2

437

Copper

2.9/ 5

.033"11mm, ⌀14x1.25HR 3

H10C

Copper

2.9/ 5

.030"11mm, ⌀14x1.25HR 10

H12

Copper

2.9/ 5

.030"11mm, ⌀14x1.25HR 12

H10C

Copper

2.9/ 5

.030"11mm, ⌀14x1.25HR 10

H12

Copper

2.9/ 5

.030"11mm, ⌀14x1.25HR 12

H8C

Copper

2.9/ 5

.024"11mm, ⌀14x1.25HR 8

RH10C

Copper

2.9/ 5

.030"11mm, ⌀14x1.25HR 10

RH12

Copper

2.9/ 5

.030"11mm, ⌀14x1.25HR 12

RH8C

Copper

2.9/ 5

.024"11mm, ⌀14x1.25HR 8

W14L

Copper

2.9/ 5

.028"11mm, ⌀14x1.25HR 14

W16LS

Copper

2.9/ 5

.028"11mm, ⌀14x1.25HR 16

B-6L

Copper

2.9/ 5

.028"11.6mm, ⌀14x1.25HR 6

B-2

Copper

2.9/ 5

.028"9.5mm, ⌀14x1.25HR 2

H10C

Copper

2.9/ 5

.030"11mm, ⌀14x1.25HR 10

H12

Copper

2.9/ 5

.030"11mm, ⌀14x1.25HR 12

H8C

Copper

2.9/ 5

.024"11mm, ⌀14x1.25HR 8

RH10C

Copper

2.9/ 5

.030"11mm, ⌀14x1.25HR 10

RH12

Copper

2.9/ 5

.030"11mm, ⌀14x1.25HR 12

RH8C

Copper

2.9/ 5

.024"11mm, ⌀14x1.25HR 8

B-6L

Copper

2.9/ 5

.028"11.6mm, ⌀14x1.25HR 6

Two steps colder (1)

Two steps colder spark plugs with same characteristics for heavily modified engines (150-200 hp increase)

B-6L

Copper

2.9/ 5

.028"11.6mm, ⌀14x1.25HR 6