Autolite XST255 XST255DP Spark Plug

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Rating

4.2 / 5 Overall
Autolite	XST255
Brand	Code
4.5 / 5 Materials
Platinum	Iridium-Platinum
Ground electrode	Center electrode
3.5 / 5 Design
Standard	Fine Wire
Ground type	Center type

Specifications

0.75mm (.030")	6
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 (10)

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

W14MR-U

Copper

3.3/ 5

.028"9.5mm, ⌀14x1.25HR 14

W20MR-U

Copper

3.3/ 5

.028"9.5mm, ⌀14x1.25HR 20

W20M-U

Copper

3.3/ 5

.028"9.5mm, ⌀14x1.25HR 20

WS8E SE

Copper

2.9/ 5

.020"9.5mm, ⌀14x1.25HR 8

WS9EC

Copper

2.9/ 5

.024"9.5mm, ⌀14x1.25HR 9

CJ8

Copper

2.9/ 5

.030"9.5mm, ⌀14x1.25HR 8

RCJ8

Copper

2.9/ 5

.030"9.5mm, ⌀14x1.25HR 8

BM6A

Copper

2.9/ 5

.028"9.5mm, ⌀14x1.25HR 6

BMR6A

Copper

2.9/ 5

.028"9.5mm, ⌀14x1.25HR 6

BMR7A

Copper

2.9/ 5

.028"9.5mm, ⌀14x1.25HR 7

Deep reference (41)

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

843EZ

Copper-Iridium

3.8/ 5

.024"9.5mm, ⌀14x1.25HR 8

W14M-U

Copper

3.3/ 5

.028"9.5mm, ⌀14x1.25HR 14

W20M-U

Copper

3.3/ 5

.028"9.5mm, ⌀14x1.25HR 20

W20MR-U

Copper

3.3/ 5

.028"9.5mm, ⌀14x1.25HR 20

W20M-U

Copper

3.3/ 5

.028"9.5mm, ⌀14x1.25HR 20

W20MR-U

Copper

3.3/ 5

.028"9.5mm, ⌀14x1.25HR 20

W20M-U

Copper

3.3/ 5

.028"9.5mm, ⌀14x1.25HR 20

W22M-U

Copper

3.3/ 5

.028"9.5mm, ⌀14x1.25HR 22

5846

Copper

3.2/ 5

.024"9.5mm, ⌀14x1.25HR 14

SE254DPT

Copper

3.2/ 5

.024"9.5mm, ⌀14x1.25HR 3

BMR4A

Copper

2.9/ 5

.028"9.5mm, ⌀14x1.25HR 4

255

Copper

2.9/ 5

.030"9.5mm, ⌀14x1.25HR 6

BMR6A

Copper

2.9/ 5

.028"9.5mm, ⌀14x1.25HR 6

RCJ8

Copper

2.9/ 5

.030"9.5mm, ⌀14x1.25HR 8

255

Copper

2.9/ 5

.030"9.5mm, ⌀14x1.25HR 6

WS7E

Copper

2.9/ 5

.020"9.5mm, ⌀14x1.25HR 7

BM6A

Copper

2.9/ 5

.028"9.5mm, ⌀14x1.25HR 6

255

Copper

2.9/ 5

.030"9.5mm, ⌀14x1.25HR 6

CJ8

Copper

2.9/ 5

.030"9.5mm, ⌀14x1.25HR 8

BMR6A

Copper

2.9/ 5

.028"9.5mm, ⌀14x1.25HR 6

255

Copper

2.9/ 5

.030"9.5mm, ⌀14x1.25HR 6

BM6A

Copper

2.9/ 5

.028"9.5mm, ⌀14x1.25HR 6

255

Copper

2.9/ 5

.030"9.5mm, ⌀14x1.25HR 6

BMR4A

Copper

2.9/ 5

.028"9.5mm, ⌀14x1.25HR 4

255

Copper

2.9/ 5

.030"9.5mm, ⌀14x1.25HR 6

BM6A

Copper

2.9/ 5

.028"9.5mm, ⌀14x1.25HR 6

255

Copper

2.9/ 5

.030"9.5mm, ⌀14x1.25HR 6

BMR6A

Copper

2.9/ 5

.028"9.5mm, ⌀14x1.25HR 6

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

254DP

Copper

2.9/ 5

.024"9.5mm, ⌀14x1.25HR 3

WS7E OSN

Copper

2.9/ 5

.020"9.5mm, ⌀14x1.25HR 7

WS8E SE

Copper

2.9/ 5

.020"9.5mm, ⌀14x1.25HR 8

840C

Copper

2.9/ 5

.030"9.5mm, ⌀14x1.25HR 8

RCJ8

Copper

2.9/ 5

.030"9.5mm, ⌀14x1.25HR 8

255

Copper

2.9/ 5

.030"9.5mm, ⌀14x1.25HR 6

RCJ4

Copper

2.9/ 5

.026"9.5mm, ⌀14x1.25HR 4

255

Copper

2.9/ 5

.030"9.5mm, ⌀14x1.25HR 6

Same specs (4)

Products that have identical characteristics that impact interchangability

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