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Denso W24FS-U Spark Plug

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Rating
3.3 / 5
Overall
Denso W24FS-U
Brand Code
3.0 / 5
Materials
Copper Copper
Ground electrode Center electrode
4.0 / 5
Design
U-Groove Standard
Ground type Center type
Specifications
0.7mm (.028") 24
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

How we find alternative spark plugs How we rate spark plugs

Cross-reference (10)

Alternative spark plugs found in cross-reference docs provided by manufacturers
Iridium-Platinum
4.2 / 5
.031" 12.7mm, ⌀14x1.25 HR 2
Copper
3.2 / 5
.016" 12.7mm, ⌀14x1.25 HR 8
Copper
3.2 / 5
.016" 12.7mm, ⌀14x1.25 HR 8
Copper
3.2 / 5
.059" 12.7mm, ⌀14x1.25 HR 16
Copper
2.9 / 5
.020" 12.7mm, ⌀14x1.25 HR 4
Copper
2.9 / 5
.024" 12.7mm, ⌀14x1.25 HR 8
Copper
2.9 / 5
.024" 12.7mm, ⌀14x1.25 HR 1
Copper
2.9 / 5
.031" 12.7mm, ⌀14x1.25 HR 78
Copper
2.9 / 5
.024" 12.7mm, ⌀14x1.25 HR 81
Copper
2.9 / 5
.031" 12.7mm, ⌀14x1.25 HR 2

Deep reference (80)

A second level of cross-reference: if A=B and B=C, then A=C
Copper-Iridium
4.3 / 5
.031" 12.7mm, ⌀14x1.25 HR 27
Copper-Iridium
4.3 / 5
.031" 12.7mm, ⌀14x1.25 HR 24
Copper-Iridium
4.3 / 5
.031" 12.7mm, ⌀14x1.25 HR 24
Copper-Iridium
4.3 / 5
.031" 12.7mm, ⌀14x1.25 HR 24
Copper-Iridium
4.3 / 5
.031" 12.7mm, ⌀14x1.25 HR 24
Copper-Iridium
4.3 / 5
.031" 12.7mm, ⌀14x1.25 HR 24
Copper-Iridium
4.3 / 5
.031" 12.7mm, ⌀14x1.25 HR 27
Copper-Iridium
4.3 / 5
.031" 12.7mm, ⌀14x1.25 HR 24
Copper-Iridium
4.3 / 5
.031" 12.7mm, ⌀14x1.25 HR 24
Copper-Iridium
4.3 / 5
.031" 12.7mm, ⌀14x1.25 HR 24
Copper-Iridium
4.3 / 5
.031" 12.7mm, ⌀14x1.25 HR 24
Iridium-Platinum
4.2 / 5
.031" 12.7mm, ⌀14x1.25 HR 2
Iridium-Platinum
4.2 / 5
.031" 12.7mm, ⌀14x1.25 HR 2
Iridium-Platinum
4.2 / 5
.031" 12.7mm, ⌀14x1.25 HR 2
Iridium-Platinum
4.2 / 5
.031" 12.7mm, ⌀14x1.25 HR 2
Copper-Iridium
3.8 / 5
.031" 12.7mm, ⌀14x1.25 HR 9
Copper-Iridium
3.8 / 5
.031" 12.7mm, ⌀14x1.25 HR 8
Copper-Iridium
3.8 / 5
.031" 12.7mm, ⌀14x1.25 HR 7
Copper-Iridium
3.8 / 5
.031" 12.7mm, ⌀14x1.25 HR 9
Copper-Iridium
3.8 / 5
.031" 12.7mm, ⌀14x1.25 HR 8
Copper
-
3.3 / 5
.039" 12.7mm, ⌀14x1.25 HR 27
Copper
-
3.3 / 5
.028" 12.7mm, ⌀14x1.25 HR 27
Copper
-
3.3 / 5
.039" 12.7mm, ⌀14x1.25 HR 27
Copper
3.2 / 5
.071" 12.7mm, ⌀14x1.25 HR 6
Copper
3.2 / 5
.059" 12.7mm, ⌀14x1.25 HR 16
Copper
3.2 / 5
.071" 12.7mm, ⌀14x1.25 HR 6
Copper
3.2 / 5
.071" 12.7mm, ⌀14x1.25 HR 6
Copper
3.2 / 5
.071" 12.7mm, ⌀14x1.25 HR 6
Copper
3.2 / 5
.016" 12.7mm, ⌀14x1.25 HR 8
Copper-Tungsten
3.2 / 5
.050" 12.7mm, ⌀14x1.25 HR 12
Copper
3.1 / 5
.039" 12.7mm, ⌀14x1.25 HR 8
Copper
3.1 / 5
.039" 12.7mm, ⌀14x1.25 HR 8
Copper
2.9 / 5
.020" 12.7mm, ⌀14x1.25 HR 4
Copper
2.9 / 5
.030" 12.7mm, ⌀14x1.25 HR 78
Copper
2.9 / 5
.031" 12.7mm, ⌀14x1.25 HR 78
Copper
2.9 / 5
.031" 12.7mm, ⌀14x1.25 HR 78
Copper
2.9 / 5
.024" 12.7mm, ⌀14x1.25 HR 81
Copper
2.9 / 5
.028" 12.7mm, ⌀14x1.25 HR 24
Copper
2.9 / 5
.024" 12.7mm, ⌀14x1.25 HR 8
Copper
2.9 / 5
.039" 12.7mm, ⌀14x1.25 HR 8
Copper
2.9 / 5
.028" 12.7mm, ⌀14x1.25 HR 9
Copper
2.9 / 5
.039" 12.7mm, ⌀14x1.25 HR 9
Copper
2.9 / 5
.028" 12.7mm, ⌀14x1.25 HR 8
Copper
2.9 / 5
.039" 12.7mm, ⌀14x1.25 HR 8
Copper
2.9 / 5
.028" 12.7mm, ⌀14x1.25 HR 8
Copper
2.9 / 5
.028" 12.7mm, ⌀14x1.25 HR 9
Copper
2.9 / 5
.039" 12.7mm, ⌀14x1.25 HR 9
Copper
2.9 / 5
.050" 12.7mm, ⌀14x1.25 HR 3
Copper
2.9 / 5
.050" 12.7mm, ⌀14x1.25 HR 3
Copper
2.9 / 5
.031" 12.7mm, ⌀14x1.25 HR 2
Copper
2.9 / 5
.024" 12.7mm, ⌀14x1.25 HR 8
Copper
2.9 / 5
.020" 12.7mm, ⌀14x1.25 HR 4
Copper
2.9 / 5
.031" 12.7mm, ⌀14x1.25 HR 78
Copper
2.9 / 5
.031" 12.7mm, ⌀14x1.25 HR 78
Copper
2.9 / 5
.031" 12.7mm, ⌀14x1.25 HR 2
Copper
2.9 / 5
.028" 12.7mm, ⌀14x1.25 HR 24
Copper
2.9 / 5
.028" 12.7mm, ⌀14x1.25 HR 27
Copper
2.9 / 5
.028" 12.7mm, ⌀14x1.25 HR 10
Copper
2.9 / 5
.028" 12.7mm, ⌀14x1.25 HR 9
Copper
2.9 / 5
.031" 12.7mm, ⌀14x1.25 HR 2
Copper
2.9 / 5
.028" 12.7mm, ⌀14x1.25 HR 7
Copper
2.9 / 5
.024" 12.7mm, ⌀14x1.25 HR 8
Copper
2.9 / 5
.031" 12.7mm, ⌀14x1.25 HR 2
Copper
2.9 / 5
.028" 12.7mm, ⌀14x1.25 HR 7
Copper
2.9 / 5
.020" 12.7mm, ⌀14x1.25 HR 4
Copper
2.9 / 5
.030" 12.7mm, ⌀14x1.25 HR 78
Copper
2.9 / 5
.031" 12.7mm, ⌀14x1.25 HR 78
Copper
2.9 / 5
.031" 12.7mm, ⌀14x1.25 HR 78
Copper
2.9 / 5
.024" 12.7mm, ⌀14x1.25 HR 81
Copper
2.9 / 5
.028" 12.7mm, ⌀14x1.25 HR 24
Copper
2.9 / 5
.024" 12.7mm, ⌀14x1.25 HR 8
Copper
2.9 / 5
.039" 12.7mm, ⌀14x1.25 HR 8
Copper
2.9 / 5
.028" 12.7mm, ⌀14x1.25 HR 9
Copper
2.9 / 5
.039" 12.7mm, ⌀14x1.25 HR 9
Copper
2.9 / 5
.028" 12.7mm, ⌀14x1.25 HR 8
Copper
2.9 / 5
.039" 12.7mm, ⌀14x1.25 HR 8
Copper
2.9 / 5
.028" 12.7mm, ⌀14x1.25 HR 8
Copper
2.9 / 5
.028" 12.7mm, ⌀14x1.25 HR 9
Copper
2.9 / 5
.039" 12.7mm, ⌀14x1.25 HR 9
Copper
2.9 / 5
.028" 12.7mm, ⌀14x1.25 HR 7

Bigger gap (1)

0.1..0.3 mm gap increase for better performance given your ignition system can handle it
Copper
-
3.3 / 5
.039" 12.7mm, ⌀14x1.25 HR 24

One step colder (1)

Colder spark plugs with same characteristics for moderately tuned engines (75–100 hp increase)
Copper
-
3.3 / 5
.028" 12.7mm, ⌀14x1.25 HR 27