Autolite 2634 Spark Plug

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Rating

2.9 / 5 Overall
Autolite	2634
Brand	Code
3.0 / 5 Materials
Copper	Copper
Ground electrode	Center electrode
2.8 / 5 Design
Standard	Standard
Ground type	Center type

Specifications

1mm (.039")	1
Gap	Heat range
⌀14mm	1.25mm
Thread diameter	Thread pitch
12.7mm (1/2")	21mm (13/16")
Reach	Hex size
Gasket	Removable Nut
Seat	Terminal
1	Non-Projected
Ground count	Projection

Cross-reference and alternatives

Cross-reference (8)

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

IWF27

Copper-Iridium

4.3/ 5

.031"12.7mm, ⌀14x1.25HR 27

L77JC4 MARINE

Copper

3.3/ 5

.039"12.7mm, ⌀14x1.25HR 77

L77JC4

Copper

3.3/ 5

.039"12.7mm, ⌀14x1.25HR 77

W27FS-U10

Copper

3.3/ 5

.039"12.7mm, ⌀14x1.25HR 27

5828

Copper

3.2/ 5

.039"12.7mm, ⌀14x1.25HR 77

5883

Copper

-

2.9/ 5

.030"12.7mm, ⌀14x1.25HR 78

W31FS

Copper

-

2.9/ 5

.028"12.7mm, ⌀14x1.25HR 31

B9HS-10

Copper

-

2.9/ 5

.039"12.7mm, ⌀14x1.25HR 9

Deep reference (26)

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

IWF27

Copper-Iridium

4.3/ 5

.031"12.7mm, ⌀14x1.25HR 27

XS4092

Iridium-Platinum

4.2/ 5

.031"12.7mm, ⌀14x1.25HR 2

XS4092

Iridium-Platinum

4.2/ 5

.031"12.7mm, ⌀14x1.25HR 2

XS4092

Iridium-Platinum

4.2/ 5

.031"12.7mm, ⌀14x1.25HR 2

XS4092

Iridium-Platinum

4.2/ 5

.031"12.7mm, ⌀14x1.25HR 2

BR9HIX

Copper-Iridium

3.8/ 5

.031"12.7mm, ⌀14x1.25HR 9

R5530-9

Gold-Palladium-Platinum

3.8/ 5

.026"12.7mm, ⌀14x1.25HR 9

L77JC4

Copper

3.3/ 5

.039"12.7mm, ⌀14x1.25HR 77

W27FS-U10

Copper

3.3/ 5

.039"12.7mm, ⌀14x1.25HR 27

L77JC4

Copper

3.3/ 5

.039"12.7mm, ⌀14x1.25HR 77

W27FS-U10

Copper

3.3/ 5

.039"12.7mm, ⌀14x1.25HR 27

R5525-9

Copper

3.2/ 5

.026"12.7mm, ⌀14x1.25HR 9

B9HS

Copper

-

2.9/ 5

.028"12.7mm, ⌀14x1.25HR 9

BR9HS

Copper

-

2.9/ 5

.028"12.7mm, ⌀14x1.25HR 9

QL77JC4

Copper

-

2.9/ 5

.039"12.7mm, ⌀14x1.25HR 77

411

Copper

-

2.9/ 5

.024"12.7mm, ⌀14x1.25HR 1

B7HS-10

Copper

-

2.9/ 5

.039"12.7mm, ⌀14x1.25HR 7

B7HS-10

Copper

-

2.9/ 5

.039"12.7mm, ⌀14x1.25HR 7

4092

Copper

-

2.9/ 5

.031"12.7mm, ⌀14x1.25HR 2

B9HS-10

Copper

-

2.9/ 5

.039"12.7mm, ⌀14x1.25HR 9

BZ7HS-10

Copper

-

2.9/ 5

.039"12.7mm, ⌀14x1.25HR 7

4092

Copper

-

2.9/ 5

.031"12.7mm, ⌀14x1.25HR 2

BZ7HS-10

Copper

-

2.9/ 5

.039"12.7mm, ⌀14x1.25HR 7

B10HS

Copper

-

2.9/ 5

.028"12.7mm, ⌀14x1.25HR 10

L55C

Copper

-

2.9/ 5

.031"12.7mm, ⌀14x1.25HR 55

4092

Copper

-

2.9/ 5

.031"12.7mm, ⌀14x1.25HR 2

Same specs (7)

Products that have identical characteristics that impact interchangability

2634DP

Copper

-

2.9/ 5

.039"12.7mm, ⌀14x1.25HR 1

5931

Copper

-

2.9/ 5

.039"12.7mm, ⌀14x1.25HR 82

828S

Copper

-

2.9/ 5

.039"12.7mm, ⌀14x1.25HR 77

QL77JC4 MARINE

Copper

-

2.9/ 5

.039"12.7mm, ⌀14x1.25HR 77

QL77JC4

Copper

-

2.9/ 5

.039"12.7mm, ⌀14x1.25HR 77

QL82C MARINE

Copper

-

2.9/ 5

.039"12.7mm, ⌀14x1.25HR 82

QL82C

Copper

-

2.9/ 5

.039"12.7mm, ⌀14x1.25HR 82

Bigger gap (3)

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

2852

Copper

-

2.9/ 5

.050"12.7mm, ⌀14x1.25HR 3

2852DP

Copper

-

2.9/ 5

.050"12.7mm, ⌀14x1.25HR 3

2892

Copper

-

2.9/ 5

.050"12.7mm, ⌀14x1.25HR 1