Champion XMJ20 Spark Plug

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Rating

2.9 / 5 Overall
Champion	XMJ20
Brand	Code
3.0 / 5 Materials
Copper	Copper
Ground electrode	Center electrode
2.8 / 5 Design
Standard	Standard
Ground type	Center type

Specifications

0.65mm (.026")	20
Gap	Heat range
⌀14mm	1.25mm
Thread diameter	Thread pitch
9.5mm (3/8")	21mm (13/16")
Reach	Hex size
Gasket	Shielded
Seat	Terminal
1	Non-Projected
Ground count	Projection

Cross-reference and alternatives

Same specs (3)

Products that have identical characteristics that impact interchangability

TJ83

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2.9/ 5

.026"9.5mm, ⌀14x1.25HR 83

845-1

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J17LM

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Bigger gap (16)

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

XST458

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4.2/ 5

.031"9.5mm, ⌀14x1.25HR 9

SE458DPL

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3.2/ 5

.031"9.5mm, ⌀14x1.25HR 9

295

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-

2.9/ 5

.030"9.5mm, ⌀14x1.25HR 7

295DP

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353

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.031"9.5mm, ⌀14x1.25HR 2

353DP

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2.9/ 5

.031"9.5mm, ⌀14x1.25HR 2

456

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-

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.031"9.5mm, ⌀14x1.25HR 7

456BP

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-

2.9/ 5

.031"9.5mm, ⌀14x1.25HR 7

456DP

Copper

-

2.9/ 5

.031"9.5mm, ⌀14x1.25HR 7

458BP

Copper

-

2.9/ 5

.031"9.5mm, ⌀14x1.25HR 9

458DP

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-

2.9/ 5

.031"9.5mm, ⌀14x1.25HR 9

WR11E0 SS

Copper

-

2.9/ 5

.031"9.5mm, ⌀14x1.25HR 11

WR12EC

Copper

-

2.9/ 5

.031"9.5mm, ⌀14x1.25HR 12

856S

Copper

-

2.9/ 5

.030"9.5mm, ⌀14x1.25HR 17

856-1

Copper

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2.9/ 5

.030"9.5mm, ⌀14x1.25HR 17

RJ17LM

Copper

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2.9/ 5

.030"9.5mm, ⌀14x1.25HR 17