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NGK IFR6J11 Spark Plug

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NGK IFR6J11 image
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Rating
4.2 / 5
Overall
NGK IFR6J11
Brand Code
4.5 / 5
Materials
Platinum Iridium
Ground electrode Center electrode
3.5 / 5
Design
Standard Fine Wire
Ground type Center type
Specifications
1.1mm (.043") 6
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 (2)

Alternative spark plugs found in cross-reference docs provided by manufacturers
Iridium-Platinum
-
4.2 / 5
.043" 19mm, ⌀14x1.25 HR 20
Iridium-Platinum
-
4.2 / 5
.043" 19mm, ⌀14x1.25 HR 20

Deep reference (55)

A second level of cross-reference: if A=B and B=C, then A=C
Iridium-Platinum
4.3 / 5
.043" 19mm, ⌀14x1.25 HR 6
Iridium-Platinum
-
4.2 / 5
.039" 19mm, ⌀14x1.25 HR 6
Copper-Iridium
3.8 / 5
.043" 19mm, ⌀14x1.25 HR 6
Platinum
3.8 / 5
.028" 19mm, ⌀14x1.25 HR 6
Platinum
3.8 / 5
.028" 19mm, ⌀14x1.25 HR 6
Platinum
3.8 / 5
.039" 19mm, ⌀14x1.25 HR 7
Platinum
3.8 / 5
.031" 19mm, ⌀14x1.25 HR 7
Copper-Iridium
3.8 / 5
.031" 19mm, ⌀14x1.25 HR 6
Platinum
3.8 / 5
.028" 19mm, ⌀14x1.25 HR 6
Platinum
3.8 / 5
.043" 19mm, ⌀14x1.25 HR 6
Copper-Iridium
3.8 / 5
.043" 19mm, ⌀14x1.25 HR 6
Copper-Platinum
3.7 / 5
.024" 19mm, ⌀14x1.25 HR 5
Platinum
3.6 / 5
.041" 19mm, ⌀14x1.25 HR 8
Copper-Platinum
3.5 / 5
.063" 19mm, ⌀14x1.25 HR 7
Copper-Platinum
3.5 / 5
.063" 19mm, ⌀14x1.25 HR 7
Copper-Platinum
3.4 / 5
.020" 19mm, ⌀14x1.25 HR 6
Copper-Silver
3.3 / 5
.028" 19mm, ⌀14x1.25 HR 6
Copper
3.3 / 5
.035" 19mm, ⌀14x1.25 HR 6
Copper
3.3 / 5
.035" 19mm, ⌀14x1.25 HR 6
Copper
3.3 / 5
.031" 19mm, ⌀14x1.25 HR 5
Copper
3.3 / 5
.035" 19mm, ⌀14x1.25 HR 6
Copper
3.3 / 5
.035" 19mm, ⌀14x1.25 HR 6
Copper
3.3 / 5
.026" 19mm, ⌀14x1.25 HR 6
Copper
3.3 / 5
.031" 19mm, ⌀14x1.25 HR 6
Copper
3.3 / 5
.031" 19mm, ⌀14x1.25 HR 6
Copper
3.3 / 5
.020" 19mm, ⌀14x1.25 HR 89
Copper
3.2 / 5
.063" 19mm, ⌀14x1.25 HR 6
Copper
3.2 / 5
.063" 19mm, ⌀14x1.25 HR 7
Copper
3.2 / 5
.063" 19mm, ⌀14x1.25 HR 8
Copper
3.2 / 5
.039" 19mm, ⌀14x1.25 HR 8
Copper
3.1 / 5
.028" 19mm, ⌀14x1.25 HR 5
Copper
3.1 / 5
.031" 19mm, ⌀14x1.25 HR 6
Copper
3.1 / 5
.024" 19mm, ⌀14x1.25 HR 6
Copper
3.1 / 5
.020" 19mm, ⌀14x1.25 HR 6
Copper
3.1 / 5
.020" 19mm, ⌀14x1.25 HR 6
Copper
3.1 / 5
.020" 19mm, ⌀14x1.25 HR 6
Copper
3.1 / 5
.035" 19mm, ⌀14x1.25 HR 6
Copper
3.1 / 5
.031" 19mm, ⌀14x1.25 HR 6
Copper
3.1 / 5
.039" 19mm, ⌀14x1.25 HR 5
Copper
3.1 / 5
.039" 19mm, ⌀14x1.25 HR 5
Copper
3.1 / 5
.016" 25mm, ⌀7/8"x HR 77
Copper
2.9 / 5
.028" 19mm, ⌀14x1.25 HR 7
Copper
2.9 / 5
.043" 19mm, ⌀14x1.25 HR 6
Copper
2.9 / 5
.035" 19mm, ⌀14x1.25 HR 7
Copper
2.9 / 5
.035" 19mm, ⌀14x1.25 HR 6
Copper
2.9 / 5
.035" 19mm, ⌀14x1.25 HR 6
Copper
2.9 / 5
.045" 19mm, ⌀14x1.25 HR 3
Copper
2.9 / 5
.039" 19mm, ⌀14x1.25 HR 9
Copper
2.9 / 5
.030" 19mm, ⌀14x1.25 HR 8
Copper
2.9 / 5
.039" 19mm, ⌀14x1.25 HR 8
Copper
2.9 / 5
.039" 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
.039" 19mm, ⌀14x1.25 HR 9
Copper
2.9 / 5
.039" 19mm, ⌀14x1.25 HR 9

Same specs (39)

Products that have identical characteristics that impact interchangability
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
Iridium-Platinum
-
4.2 / 5
.043" 19mm, ⌀14x1.25 HR 20
Iridium-Platinum
-
4.2 / 5
.043" 19mm, ⌀14x1.25 HR 20
Iridium-Platinum
-
4.2 / 5
.043" 19mm, ⌀14x1.25 HR 20
Iridium-Platinum
-
4.2 / 5
.043" 19mm, ⌀14x1.25 HR 20
Iridium-Platinum
-
4.2 / 5
.043" 19mm, ⌀14x1.25 HR 20
Iridium-Platinum
-
4.2 / 5
.043" 19mm, ⌀14x1.25 HR 20
Iridium-Platinum
-
4.2 / 5
.043" 19mm, ⌀14x1.25 HR 20
Iridium-Platinum
-
4.2 / 5
.043" 19mm, ⌀14x1.25 HR 20
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
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 6
Platinum
3.8 / 5
.043" 19mm, ⌀14x1.25 HR 6
Platinum
3.8 / 5
.043" 19mm, ⌀14x1.25 HR 20
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 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
Platinum
3.8 / 5
.043" 19mm, ⌀14x1.25 HR 20
Copper-Platinum
3.5 / 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
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 6
Copper
2.9 / 5
.043" 19mm, ⌀14x1.25 HR 6
Copper
2.9 / 5
.043" 19mm, ⌀14x1.25 HR 20

Bigger gap (5)

0.1..0.3 mm gap increase for better performance given your ignition system can handle it
Platinum
3.8 / 5
.050" 19mm, ⌀14x1.25 HR 20
Platinum
3.8 / 5
.050" 19mm, ⌀14x1.25 HR 20
Platinum
3.8 / 5
.050" 19mm, ⌀14x1.25 HR 6
Platinum
3.8 / 5
.050" 19mm, ⌀14x1.25 HR 6
Platinum
3.8 / 5
.050" 19mm, ⌀14x1.25 HR 6

One step colder (13)

Colder spark plugs with same characteristics for moderately tuned engines (75–100 hp increase)
Iridium-Platinum
-
4.2 / 5
.043" 19mm, ⌀14x1.25 HR 22
Iridium-Platinum
-
4.2 / 5
.043" 19mm, ⌀14x1.25 HR 7
Iridium-Platinum
-
4.2 / 5
.043" 19mm, ⌀14x1.25 HR 7
Platinum
3.8 / 5
.043" 19mm, ⌀14x1.25 HR 22
Platinum
3.8 / 5
.043" 19mm, ⌀14x1.25 HR 22
Platinum
3.8 / 5
.043" 19mm, ⌀14x1.25 HR 7
Copper-Iridium
3.8 / 5
.043" 19mm, ⌀14x1.25 HR 7
Platinum
3.8 / 5
.043" 19mm, ⌀14x1.25 HR 7
Copper-Iridium
3.8 / 5
.043" 19mm, ⌀14x1.25 HR 7
Copper
3.1 / 5
.043" 19mm, ⌀14x1.25 HR 7
Copper
2.9 / 5
.043" 19mm, ⌀14x1.25 HR 22
Copper
2.9 / 5
.043" 19mm, ⌀14x1.25 HR 7
Copper
2.9 / 5
.043" 19mm, ⌀14x1.25 HR 7

Two steps colder (2)

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 24
Iridium-Platinum
-
4.2 / 5
.043" 19mm, ⌀14x1.25 HR 8