Autolite 306 Spark Plug

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Rating

2.9 / 5 Overall
Autolite	306
Brand	Code
3.0 / 5 Materials
Copper	Copper
Ground electrode	Center electrode
2.8 / 5 Design
Standard	Standard
Ground type	Center type

Specifications

0.9mm (.035")	8
Gap	Heat range
⌀14mm	1.25mm
Thread diameter	Thread pitch
9.5mm (3/8")	21mm (13/16")
Reach	Hex size
Gasket	Solid
Seat	Terminal
1	Non-Projected
Ground count	Projection

Cross-reference and alternatives

Cross-reference (5)

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

W9-U

Copper

3.3/ 5

.028"9.5mm, ⌀14x1.25HR 9

UJ11G

Copper

3.2/ 5

.026"9.5mm, ⌀14x1.25HR 11

WR9EC0

Copper

-

2.9/ 5

.031"9.5mm, ⌀14x1.25HR 9

J11C

Copper

-

2.9/ 5

.030"9.5mm, ⌀14x1.25HR 11

B-4

Copper

-

2.9/ 5

.028"9.5mm, ⌀14x1.25HR 4

Deep reference (17)

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

W14-U

Copper

3.3/ 5

.028"9.5mm, ⌀14x1.25HR 14

W9-U

Copper

3.3/ 5

.028"9.5mm, ⌀14x1.25HR 9

W14-U

Copper

3.3/ 5

.028"9.5mm, ⌀14x1.25HR 14

UJ11G

Copper

3.2/ 5

.026"9.5mm, ⌀14x1.25HR 11

W14US

Copper

3.1/ 5

.028"9.5mm, ⌀14x1.25HR 14

J11C

Copper

-

2.9/ 5

.030"9.5mm, ⌀14x1.25HR 11

B-2

Copper

-

2.9/ 5

.028"9.5mm, ⌀14x1.25HR 2

B-4

Copper

-

2.9/ 5

.028"9.5mm, ⌀14x1.25HR 4

BR6S

Copper

-

2.9/ 5

.028"9.5mm, ⌀14x1.25HR 6

B-4

Copper

-

2.9/ 5

.028"9.5mm, ⌀14x1.25HR 4

B6S

Copper

-

2.9/ 5

.028"9.5mm, ⌀14x1.25HR 6

295

Copper

-

2.9/ 5

.030"9.5mm, ⌀14x1.25HR 7

J11C

Copper

-

2.9/ 5

.030"9.5mm, ⌀14x1.25HR 11

255

Copper

-

2.9/ 5

.030"9.5mm, ⌀14x1.25HR 6

255BP

Copper

-

2.9/ 5

.030"9.5mm, ⌀14x1.25HR 6

255DP

Copper

-

2.9/ 5

.030"9.5mm, ⌀14x1.25HR 6

295DP

Copper

-

2.9/ 5

.030"9.5mm, ⌀14x1.25HR 7

Same specs (3)

Products that have identical characteristics that impact interchangability

AP303

Copper-Platinum

3.2/ 5

.035"9.5mm, ⌀14x1.25HR 4

303

Copper

-

2.9/ 5

.035"9.5mm, ⌀14x1.25HR 4

308

Copper

-

2.9/ 5

.035"9.5mm, ⌀14x1.25HR 9