Autolite 258DP Spark Plug

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Rating

2.9 / 5 Overall
Autolite	258DP
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")	9
Gap	Heat range
⌀14mm	1.25mm
Thread diameter	Thread pitch
9.5mm (3/8")	19mm (3/4")
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

B4-LM

Copper

-

2.9/ 5

.028"9.5mm, ⌀14x1.25HR 4

Deep reference (5)

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

W14LM-U

Copper

3.3/ 5

.028"11mm, ⌀14x1.25HR 14

456

Copper

-

2.9/ 5

.031"9.5mm, ⌀14x1.25HR 7

845-1

Copper

-

2.9/ 5

.026"9.5mm, ⌀14x1.25HR 17

J17LM

Copper

-

2.9/ 5

.026"9.5mm, ⌀14x1.25HR 17

258

Copper

-

2.9/ 5

.024"9.5mm, ⌀14x1.25HR 9

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

254DP

Copper

-

2.9/ 5

.024"9.5mm, ⌀14x1.25HR 3

258

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