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NGK ZFR4F-11 Spark Plug

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NGK ZFR4F-11 image
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Rating
3.1 / 5
Overall
NGK ZFR4F-11
Brand Code
3.0 / 5
Materials
Copper Copper
Ground electrode Center electrode
3.3 / 5
Design
Standard V-Cut
Ground type Center type
Specifications
1.1mm (.043") 4
Gap Heat range
⌀14mm 1.25mm
Thread diameter Thread pitch
19mm (3/4") 16mm (5/8")
Reach Hex size
Gasket Solid
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 (11)

Alternative spark plugs found in cross-reference docs provided by manufacturers
Iridium-Platinum
4.2 / 5
.035" 19mm, ⌀14x1.25 HR 4
Iridium-Platinum
4.2 / 5
.035" 19mm, ⌀14x1.25 HR 4
Copper
2.9 / 5
.035" 19mm, ⌀14x1.25 HR 4
Copper
2.9 / 5
.035" 19mm, ⌀14x1.25 HR 9
Copper
2.9 / 5
.043" 19mm, ⌀14x1.25 HR 9
Copper
2.9 / 5
.043" 19mm, ⌀14x1.25 HR 14
Copper
2.9 / 5
.035" 19mm, ⌀14x1.25 HR 4
Copper
2.9 / 5
.035" 19mm, ⌀14x1.25 HR 4
Copper
2.9 / 5
.043" 19mm, ⌀14x1.25 HR 9
Copper
2.9 / 5
.045" 19mm, ⌀14x1.25 HR 3
Copper
2.8 / 5
.043" 19mm, ⌀14x1.25 HR 14

Deep reference (70)

A second level of cross-reference: if A=B and B=C, then A=C
Copper-Iridium
4.3 / 5
.043" 17.5mm, ⌀14x1.25 HR 20
Iridium-Platinum
4.2 / 5
.028" 19mm, ⌀14x1.25 HR 10
Iridium-Platinum
4.2 / 5
.043" 17.5mm, ⌀14x1.25 HR 20
Iridium-Platinum
4.2 / 5
.035" 19mm, ⌀14x1.25 HR 4
Iridium-Platinum
4.2 / 5
.043" 19mm, ⌀14x1.25 HR 20
Copper-Iridium
3.8 / 5
.043" 19mm, ⌀14x1.25 HR 5
Platinum
3.8 / 5
.043" 19mm, ⌀14x1.25 HR 5
Copper
3.3 / 5
.031" 18mm, ⌀14x1.25 HR 20
Copper
3.3 / 5
.031" 19mm, ⌀14x1.25 HR 16
Copper
3.3 / 5
.039" 20.6mm, ⌀14x1.25 HR 16
Copper
3.3 / 5
.035" 19mm, ⌀14x1.25 HR 16
Copper
3.3 / 5
.031" 18mm, ⌀14x1.25 HR 20
Copper
3.3 / 5
.035" 19mm, ⌀14x1.25 HR 10
Copper
3.3 / 5
.043" 22mm, ⌀14x1.25 HR 16
Copper
3.3 / 5
.043" 19mm, ⌀14x1.25 HR 16
Copper
3.3 / 5
.031" 19mm, ⌀14x1.25 HR 16
Copper
3.3 / 5
.031" 19mm, ⌀14x1.25 HR 16
Copper
3.3 / 5
.043" 19mm, ⌀14x1.25 HR 5
Copper
3.2 / 5
.039" 19mm, ⌀14x1.25 HR 8
Copper
3.2 / 5
.039" 19mm, ⌀14x1.25 HR 8
Copper
-
3.1 / 5
.035" 19mm, ⌀14x1.25 HR 5
Copper
-
3.1 / 5
.035" 19mm, ⌀14x1.25 HR 5
Copper
-
3.1 / 5
.035" 19mm, ⌀14x1.25 HR 5
Copper
-
3.1 / 5
.035" 19mm, ⌀14x1.25 HR 5
Copper
-
3.1 / 5
.043" 19mm, ⌀14x1.25 HR 6
Copper
-
3.1 / 5
.043" 19mm, ⌀14x1.25 HR 6
Copper
-
3.1 / 5
.043" 19mm, ⌀14x1.25 HR 5
Copper
-
3.1 / 5
.031" 19mm, ⌀14x1.25 HR 5
Copper
-
3.1 / 5
.043" 19mm, ⌀14x1.25 HR 5
Copper
-
3.1 / 5
.043" 19mm, ⌀14x1.25 HR 6
Copper
-
3.1 / 5
.043" 19mm, ⌀14x1.25 HR 6
Copper
-
3.1 / 5
.028" 19mm, ⌀14x1.25 HR 5
Copper
-
3.1 / 5
.043" 19mm, ⌀14x1.25 HR 5
Copper
-
3.1 / 5
.031" 19mm, ⌀14x1.25 HR 5
Copper
-
3.1 / 5
.043" 19mm, ⌀14x1.25 HR 5
Copper
-
3.1 / 5
.043" 19mm, ⌀14x1.25 HR 6
Copper
-
3.1 / 5
.031" 19mm, ⌀14x1.25 HR 7
Copper
-
3.1 / 5
.035" 19mm, ⌀14x1.25 HR 5
Copper
2.9 / 5
.035" 19mm, ⌀14x1.25 HR 9
Copper
2.9 / 5
.035" 19mm, ⌀14x1.25 HR 9
Copper
2.9 / 5
.035" 19mm, ⌀14x1.25 HR 9
Copper
2.9 / 5
.035" 19mm, ⌀14x1.25 HR 9
Copper
2.9 / 5
.035" 19mm, ⌀14x1.25 HR 12
Copper
2.9 / 5
.035" 19mm, ⌀14x1.25 HR 12
Copper
2.9 / 5
.035" 19mm, ⌀14x1.25 HR 14
Copper
2.9 / 5
.035" 19mm, ⌀14x1.25 HR 13
Copper
2.9 / 5
.035" 19mm, ⌀14x1.25 HR 4
Copper
2.9 / 5
.045" 19mm, ⌀14x1.25 HR 3
Copper
2.9 / 5
.045" 19mm, ⌀14x1.25 HR 3
Copper
2.9 / 5
.045" 19mm, ⌀14x1.25 HR 3
Copper
2.9 / 5
.043" 19mm, ⌀14x1.25 HR 9
Copper
2.9 / 5
.043" 19mm, ⌀14x1.25 HR 9
Copper
2.9 / 5
.043" 19mm, ⌀14x1.25 HR 8
Copper
2.9 / 5
.043" 19mm, ⌀14x1.25 HR 8
Copper
2.9 / 5
.039" 19mm, ⌀14x1.25 HR 9
Copper
2.9 / 5
.039" 19mm, ⌀14x1.25 HR 11
Copper
2.9 / 5
.039" 19mm, ⌀14x1.25 HR 9
Copper
2.9 / 5
.039" 19mm, ⌀14x1.25 HR 12
Copper
2.9 / 5
.039" 19mm, ⌀14x1.25 HR 9
Copper
2.9 / 5
.035" 19mm, ⌀14x1.25 HR 9
Copper
2.9 / 5
.043" 19mm, ⌀14x1.25 HR 14
Copper
2.9 / 5
.043" 19mm, ⌀14x1.25 HR 20
Copper
2.9 / 5
.043" 19mm, ⌀14x1.25 HR 20
Copper
2.9 / 5
.043" 19mm, ⌀14x1.25 HR 20
Copper
2.9 / 5
.043" 19mm, ⌀14x1.25 HR 5
Copper
2.9 / 5
.045" 19mm, ⌀14x1.25 HR 3
Copper
2.8 / 5
.043" 19mm, ⌀14x1.25 HR 14
Copper
2.8 / 5
.043" 19mm, ⌀14x1.25 HR 16
Copper
2.8 / 5
.043" 19mm, ⌀14x1.25 HR 20
Copper
2.7 / 5
.043" 19mm, ⌀14x1.25 HR 8

One step colder (12)

Colder spark plugs with same characteristics for moderately tuned engines (75–100 hp increase)
Iridium-Platinum
4.2 / 5
.043" 19mm, ⌀14x1.25 HR 5
Iridium-Platinum
4.2 / 5
.043" 19mm, ⌀14x1.25 HR 5
Platinum
3.8 / 5
.043" 19mm, ⌀14x1.25 HR 16
Platinum
3.8 / 5
.043" 19mm, ⌀14x1.25 HR 16
Copper-Iridium
3.8 / 5
.043" 19mm, ⌀14x1.25 HR 5
Platinum
3.8 / 5
.043" 19mm, ⌀14x1.25 HR 5
Copper
-
3.1 / 5
.043" 19mm, ⌀14x1.25 HR 5
Copper
-
3.1 / 5
.043" 19mm, ⌀14x1.25 HR 5
Copper
-
3.1 / 5
.043" 19mm, ⌀14x1.25 HR 5
Copper
2.9 / 5
.043" 19mm, ⌀14x1.25 HR 16
Copper
2.9 / 5
.043" 19mm, ⌀14x1.25 HR 5
Copper
2.8 / 5
.043" 19mm, ⌀14x1.25 HR 16

Two steps colder (18)

Two steps colder spark plugs with same characteristics for heavily modified engines (150-200 hp increase)
Iridium-Platinum
4.2 / 5
.043" 19mm, ⌀14x1.25 HR 6
Iridium-Platinum
4.2 / 5
.043" 19mm, ⌀14x1.25 HR 6
Iridium-Platinum
4.2 / 5
.043" 19mm, ⌀14x1.25 HR 6
Iridium-Platinum
4.2 / 5
.043" 19mm, ⌀14x1.25 HR 6
Copper-Iridium
3.8 / 5
.043" 19mm, ⌀14x1.25 HR 6
Platinum
3.8 / 5
.043" 19mm, ⌀14x1.25 HR 6
Platinum
3.8 / 5
.043" 19mm, ⌀14x1.25 HR 6
Platinum
3.8 / 5
.043" 19mm, ⌀14x1.25 HR 20
Platinum
3.8 / 5
.043" 19mm, ⌀14x1.25 HR 20
Platinum
3.8 / 5
.043" 19mm, ⌀14x1.25 HR 20
Copper
-
3.1 / 5
.043" 19mm, ⌀14x1.25 HR 6
Copper
-
3.1 / 5
.043" 19mm, ⌀14x1.25 HR 6
Copper
-
3.1 / 5
.043" 19mm, ⌀14x1.25 HR 6
Copper
-
3.1 / 5
.043" 19mm, ⌀14x1.25 HR 6
Copper
-
3.1 / 5
.043" 19mm, ⌀14x1.25 HR 6
Copper
2.9 / 5
.043" 19mm, ⌀14x1.25 HR 20
Copper
2.9 / 5
.043" 19mm, ⌀14x1.25 HR 20
Copper
2.8 / 5
.043" 19mm, ⌀14x1.25 HR 20