Bosch HR9DPX+ 4011 Spark Plug

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Rating

3.3 / 5 Overall
Bosch	HR9DPX+
Brand	Code
3.5 / 5 Materials
Copper	Platinum
Ground electrode	Center electrode
2.8 / 5 Design
Standard	Standard
Ground type	Center type

Specifications

1.1mm (.043")	9
Gap	Heat range
⌀14mm	1.25mm
Thread diameter	Thread pitch
19mm (3/4")	16mm (5/8")
Reach	Hex size
Tapered	Solid
Seat	Terminal
4	Non-Projected
Ground count	Projection

Cross-reference and alternatives

Cross-reference (1)

Alternative spark plugs found in cross-reference docs provided by manufacturers

AP605

Copper-Platinum

3.2/ 5

.059"17.5mm, ⌀14x1.25HR 3

Deep reference (6)

A second level of cross-reference: if A=B and B=C, then A=C

TR55-1VX

Copper-Platinum

3.5/ 5

.059"18mm, ⌀14x1.25HR 5

TR55VX

Copper-Platinum

3.5/ 5

.059"18mm, ⌀14x1.25HR 5

TR55-1GP

Copper-Platinum

3.5/ 5

.059"18mm, ⌀14x1.25HR 5

HR9DPY+

Copper-Platinum

-

3.3/ 5

.059"19mm, ⌀14x1.25HR 9

HR9DPX

Copper-Platinum

-

3.3/ 5

.043"17.5mm, ⌀14x1.25HR 9

HR9DPY

Copper-Platinum

3.0/ 5

.059"17.5mm, ⌀14x1.25HR 9

Same specs (1)

Products that have identical characteristics that impact interchangability

HR9LPX+

Copper-Platinum

-

3.3/ 5

.043"19mm, ⌀14x1.25HR 9

One step colder (2)

Colder spark plugs with same characteristics for moderately tuned engines (75–100 hp increase)

HR8DPX+

Copper-Platinum

-

3.3/ 5

.043"19mm, ⌀14x1.25HR 8

HR8LPX+

Copper-Platinum

-

3.3/ 5

.043"19mm, ⌀14x1.25HR 8