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Bosch FR7DPX+ 4001 Spark Plug

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Rating
3.3 / 5
Overall
BoschFR7DPX+
BrandCode
3.5 / 5
Materials
CopperPlatinum
Ground electrodeCenter electrode
2.8 / 5
Design
StandardStandard
Ground typeCenter type
Specifications
1.1mm (.043")7
GapHeat range
⌀14mm1.25mm
Thread diameterThread pitch
19mm (3/4")16mm (5/8")
ReachHex size
GasketSolid
SeatTerminal
4Non-Projected
Ground countProjection

Cross-reference and alternatives

How we find alternative spark plugs How we rate spark plugs

Cross-reference (1)

Alternative spark plugs found in cross-reference docs provided by manufacturers
Copper
3.1/ 5
.043"19mm, ⌀14x1.25HR 6

Deep reference (14)

A second level of cross-reference: if A=B and B=C, then A=C
Copper
-
3.3/ 5
.043"19mm, ⌀14x1.25HR 20
Copper
2.9/ 5
.043"19mm, ⌀14x1.25HR 6
Copper
2.9/ 5
.039"19mm, ⌀14x1.25HR 9
Copper
2.9/ 5
.039"19mm, ⌀14x1.25HR 8
Copper
2.9/ 5
.039"19mm, ⌀14x1.25HR 9
Copper
2.9/ 5
.049"19mm, ⌀14x1.25HR 9
Copper
2.9/ 5
.039"19mm, ⌀14x1.25HR 9
Copper
2.9/ 5
.045"19mm, ⌀14x1.25HR 2
Copper
2.9/ 5
.045"19mm, ⌀14x1.25HR 2
Copper
2.9/ 5
.043"19mm, ⌀14x1.25HR 7
Copper
2.9/ 5
.043"19mm, ⌀14x1.25HR 7
Copper
2.9/ 5
.043"19mm, ⌀14x1.25HR 6
Copper
2.9/ 5
.039"19mm, ⌀14x1.25HR 10
Copper
2.9/ 5
.043"19mm, ⌀14x1.25HR 20

Same specs (3)

Products that have identical characteristics that impact interchangability
Copper-Platinum
3.5/ 5
.043"19mm, ⌀14x1.25HR 7
Copper
2.9/ 5
.043"19mm, ⌀14x1.25HR 6
Copper
2.9/ 5
.043"19mm, ⌀14x1.25HR 7

Bigger gap (3)

0.1..0.3 mm gap increase for better performance given your ignition system can handle it
Iridium-Platinum
4.2/ 5
.049"19mm, ⌀14x1.25HR 10
Iridium-Platinum
4.2/ 5
.049"19mm, ⌀14x1.25HR 10
Copper
2.9/ 5
.049"19mm, ⌀14x1.25HR 9

Two steps colder (1)

Two steps colder spark plugs with same characteristics for heavily modified engines (150-200 hp increase)
Copper-Iridium
3.8/ 5
.043"19mm, ⌀14x1.25HR 24