Autolite XST4055 XST4055DP Spark Plug

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Rating
Brand	Code
4.2 / 5 Overall
Autolite	XST4055
4.5 / 5 Materials
Platinum	Iridium-Platinum
Ground electrode	Center electrode
3.5 / 5 Design
Standard	Fine Wire
Ground type	Center type

Specifications
Gap	Heat range
0.6mm (.024")	7
⌀14mm	1.25mm
Thread diameter	Thread pitch
19mm (3/4")	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 (7)

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

W22ESR-U

Copper

3.3/ 5

.031"19mm, ⌀14x1.25HR 22

W22ES-U

Copper

3.3/ 5

.031"19mm, ⌀14x1.25HR 22

W5CC

Copper

2.9/ 5

.020"19mm, ⌀14x1.25HR 5

N4C

Copper

2.9/ 5

.026"19mm, ⌀14x1.25HR 4

RN4C

Copper

2.9/ 5

.024"19mm, ⌀14x1.25HR 4

B6ES

Copper

2.9/ 5

.028"19mm, ⌀14x1.25HR 6

BR7ES

Copper

2.9/ 5

.031"19mm, ⌀14x1.25HR 7

Deep reference (35)

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

XS4064

Iridium-Platinum

4.2/ 5

.031"19mm, ⌀14x1.25HR 4

BR7EIX

Copper-Iridium

3.8/ 5

.031"19mm, ⌀14x1.25HR 7

W22ES-U

Copper

3.3/ 5

.031"19mm, ⌀14x1.25HR 22

W22ES-U

Copper

3.3/ 5

.031"19mm, ⌀14x1.25HR 22

W22ESR-U

Copper

3.3/ 5

.031"19mm, ⌀14x1.25HR 22

W20ES-U

Copper

3.3/ 5

.031"19mm, ⌀14x1.25HR 20

W20ES-U11

Copper

3.3/ 5

.043"19mm, ⌀14x1.25HR 20

W22ESR-U

Copper

3.3/ 5

.031"19mm, ⌀14x1.25HR 22

R5671A-7

Copper

3.1/ 5

.031"19mm, ⌀14x1.25HR 7

R5671A-7

Copper

3.1/ 5

.031"19mm, ⌀14x1.25HR 7

BR7ES

Copper

2.9/ 5

.031"19mm, ⌀14x1.25HR 7

403

Copper

2.9/ 5

.035"19mm, ⌀14x1.25HR 7

RN4C

Copper

2.9/ 5

.024"19mm, ⌀14x1.25HR 4

4055

Copper

2.9/ 5

.024"19mm, ⌀14x1.25HR 7

W5CC

Copper

2.9/ 5

.020"19mm, ⌀14x1.25HR 5

B7ES

Copper

2.9/ 5

.031"19mm, ⌀14x1.25HR 7

4055

Copper

2.9/ 5

.024"19mm, ⌀14x1.25HR 7

N4C

Copper

2.9/ 5

.026"19mm, ⌀14x1.25HR 4

403

Copper

2.9/ 5

.035"19mm, ⌀14x1.25HR 7

403

Copper

2.9/ 5

.035"19mm, ⌀14x1.25HR 7

4055

Copper

2.9/ 5

.024"19mm, ⌀14x1.25HR 7

B7ES

Copper

2.9/ 5

.031"19mm, ⌀14x1.25HR 7

403

Copper

2.9/ 5

.035"19mm, ⌀14x1.25HR 7

4055

Copper

2.9/ 5

.024"19mm, ⌀14x1.25HR 7

B7ES

Copper

2.9/ 5

.031"19mm, ⌀14x1.25HR 7

403

Copper

2.9/ 5

.035"19mm, ⌀14x1.25HR 7

4055

Copper

2.9/ 5

.024"19mm, ⌀14x1.25HR 7

BR7ES

Copper

2.9/ 5

.031"19mm, ⌀14x1.25HR 7

4056

Copper

2.9/ 5

.031"19mm, ⌀14x1.25HR 9

N5C

Copper

2.9/ 5

.026"19mm, ⌀14x1.25HR 5

WR7CC NS

Copper

2.9/ 5

.031"19mm, ⌀14x1.25HR 7

4055

Copper

2.9/ 5

.024"19mm, ⌀14x1.25HR 7

RN4C

Copper

2.9/ 5

.024"19mm, ⌀14x1.25HR 4

4054

Copper

2.9/ 5

.031"19mm, ⌀14x1.25HR 4

4054DP2

Copper

2.9/ 5

.031"19mm, ⌀14x1.25HR 4

Same specs (7)

Products that have identical characteristics that impact interchangability

241268506

Copper-Silver

3.5/ 5

.024"19mm, ⌀14x1.25HR -8

W07CS

Copper-Silver

3.5/ 5

.024"19mm, ⌀14x1.25HR -7

2594

Copper

2.9/ 5

.024"19mm, ⌀14x1.25HR 3

4051

Copper

2.9/ 5

.024"19mm, ⌀14x1.25HR 1

4055

Copper

2.9/ 5

.024"19mm, ⌀14x1.25HR 7

RN5C

Copper

2.9/ 5

.024"19mm, ⌀14x1.25HR 5

N21

Copper

2.9/ 5

.024"19mm, ⌀14x1.25HR 21

Bigger gap (3)

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

4054

Copper

2.9/ 5

.031"19mm, ⌀14x1.25HR 4

4054DP2

Copper

2.9/ 5

.031"19mm, ⌀14x1.25HR 4

4056

Copper

2.9/ 5

.031"19mm, ⌀14x1.25HR 9