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NGK R6021E-7 Spark Plug

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NGK R6021E-7 image
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Rating
3.2 / 5
Overall
NGKR6021E-7
BrandCode
3.0 / 5
Materials
CopperCopper
Ground electrodeCenter electrode
3.5 / 5
Design
StandardFine Wire
Ground typeCenter type
Specifications
0.65mm (.026")7
GapHeat range
⌀14mm1.25mm
Thread diameterThread pitch
19mm (3/4")21mm (13/16")
ReachHex size
GasketSolid
SeatTerminal
1Non-Projected
Ground countProjection

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
Copper-Iridium
4.3/ 5
.031"19mm, ⌀14x1.25HR 22
Iridium-Platinum
4.2/ 5
.031"19mm, ⌀14x1.25HR 22

Deep reference (21)

A second level of cross-reference: if A=B and B=C, then A=C
Iridium-Platinum
4.2/ 5
.028"19mm, ⌀14x1.25HR 7
Iridium-Platinum
4.2/ 5
.035"19mm, ⌀14x1.25HR 7
Iridium-Platinum
4.2/ 5
.028"19mm, ⌀14x1.25HR 7
Copper-Iridium
3.8/ 5
.031"19mm, ⌀14x1.25HR 7
Platinum
3.8/ 5
.028"19mm, ⌀14x1.25HR 7
Copper-Iridium
3.8/ 5
.031"19mm, ⌀14x1.25HR 7
Platinum
3.8/ 5
.028"19mm, ⌀14x1.25HR 7
Copper-Gold-Palladium
3.4/ 5
.026"19mm, ⌀14x1.25HR 7
Copper-Gold-Palladium
3.4/ 5
.026"19mm, ⌀14x1.25HR 7
Copper
2.9/ 5
.028"19mm, ⌀14x1.25HR 5
Copper
2.9/ 5
.035"19mm, ⌀14x1.25HR 7
Copper
2.9/ 5
.031"19mm, ⌀14x1.25HR 7
Copper
2.9/ 5
.024"19mm, ⌀14x1.25HR 5
Copper
2.9/ 5
.026"19mm, ⌀14x1.25HR 7
Copper
2.9/ 5
.028"19mm, ⌀14x1.25HR 5
Copper
2.9/ 5
.035"19mm, ⌀14x1.25HR 7
Copper
2.9/ 5
.031"19mm, ⌀14x1.25HR 7
Copper
2.9/ 5
.024"19mm, ⌀14x1.25HR 5
Copper
2.9/ 5
.026"19mm, ⌀14x1.25HR 7
Copper
2.8/ 5
.026"19mm, ⌀14x1.25HR 7
Copper
2.8/ 5
.026"19mm, ⌀14x1.25HR 7

Same specs (1)

Products that have identical characteristics that impact interchangability
Copper-Gold-Palladium
3.4/ 5
.026"19mm, ⌀14x1.25HR 7

One step colder (1)

Colder spark plugs with same characteristics for moderately tuned engines (75–100 hp increase)
Copper
-
3.2/ 5
.026"19mm, ⌀14x1.25HR 8