Autolite 254DP Spark Plug

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Rating

2.9 / 5 Overall
Autolite	254DP
Brand	Code
3.0 / 5 Materials
Copper	Copper
Ground electrode	Center electrode
2.8 / 5 Design
Standard	Standard
Ground type	Center type

Specifications

0.6mm (.024")	3
Gap	Heat range
⌀14mm	1.25mm
Thread diameter	Thread pitch
9.5mm (3/8")	19mm (3/4")
Reach	Hex size
Gasket	Removable Nut
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

BM6A

Copper

-

2.9/ 5

.028"9.5mm, ⌀14x1.25HR 6

Deep reference (12)

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

XST255

Iridium-Platinum

4.2/ 5

.030"9.5mm, ⌀14x1.25HR 6

843EZ

Copper-Iridium

3.8/ 5

.024"9.5mm, ⌀14x1.25HR 8

W20M-U

Copper

3.3/ 5

.028"9.5mm, ⌀14x1.25HR 20

5846

Copper

3.2/ 5

.024"9.5mm, ⌀14x1.25HR 14

SE254DPT

Copper

3.2/ 5

.024"9.5mm, ⌀14x1.25HR 3

254

Copper

-

2.9/ 5

.024"9.5mm, ⌀14x1.25HR 3

255

Copper

-

2.9/ 5

.030"9.5mm, ⌀14x1.25HR 6

WS7E

Copper

-

2.9/ 5

.020"9.5mm, ⌀14x1.25HR 7

843-1

Copper

-

2.9/ 5

.030"9.5mm, ⌀14x1.25HR 8

CJ8

Copper

-

2.9/ 5

.030"9.5mm, ⌀14x1.25HR 8

WS7E OSN

Copper

-

2.9/ 5

.020"9.5mm, ⌀14x1.25HR 7

WS8E SE

Copper

-

2.9/ 5

.020"9.5mm, ⌀14x1.25HR 8

Same specs (8)

Products that have identical characteristics that impact interchangability

XST254

Iridium-Platinum

4.2/ 5

.024"9.5mm, ⌀14x1.25HR 3

XST258

Iridium-Platinum

4.2/ 5

.024"9.5mm, ⌀14x1.25HR 9

SE254DPT

Copper

3.2/ 5

.024"9.5mm, ⌀14x1.25HR 3

SE258

Copper

3.2/ 5

.024"9.5mm, ⌀14x1.25HR 9

SE258DPT

Copper

3.2/ 5

.024"9.5mm, ⌀14x1.25HR 9

254

Copper

-

2.9/ 5

.024"9.5mm, ⌀14x1.25HR 3

258

Copper

-

2.9/ 5

.024"9.5mm, ⌀14x1.25HR 9

258DP

Copper

-

2.9/ 5

.024"9.5mm, ⌀14x1.25HR 9

Bigger gap (5)

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

XST255

Iridium-Platinum

4.2/ 5

.030"9.5mm, ⌀14x1.25HR 6

SE255DPT

Copper

3.2/ 5

.030"9.5mm, ⌀14x1.25HR 6

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