Bosch HR9LPP30X 6718 Spark Plug

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Rating

3.5 / 5 Overall
Bosch	HR9LPP30X
Brand	Code
3.5 / 5 Materials
Copper	Platinum
Ground electrode	Center electrode
3.5 / 5 Design
Standard	Fine Wire
Ground type	Center type

Specifications

1.1mm (.043")	9
Gap	Heat range
⌀14mm	1.25mm
Thread diameter	Thread pitch
17.5mm (.689")	16mm (5/8")
Reach	Hex size
Tapered	Solid
Seat	Terminal
1	Non-Projected
Ground count	Projection

Cross-reference and alternatives

Cross-reference (1)

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

TR4GP

Copper-Platinum

-

3.5/ 5

.039"18mm, ⌀14x1.25HR 4

Deep reference (3)

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

HR9DPP30Y

Copper-Platinum

-

3.5/ 5

.059"17.5mm, ⌀14x1.25HR 9

AP106

Copper-Platinum

3.2/ 5

.050"17.5mm, ⌀14x1.25HR 4

AP5245

Copper-Platinum

3.2/ 5

.045"18mm, ⌀14x1.25HR 3

Same specs (3)

Products that have identical characteristics that impact interchangability

HR9LII33X

Iridium

4.5/ 5

.043"17.5mm, ⌀14x1.25HR 9

HR9LPP33X

Platinum

3.8/ 5

.043"17.5mm, ⌀14x1.25HR 9

HR9DCX+

Copper

2.9/ 5

.043"17.5mm, ⌀14x1.25HR 9

One step colder (4)

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

HR8DII33X

Iridium

4.5/ 5

.043"17.5mm, ⌀14x1.25HR 8

HR8DPP33X

Platinum

3.8/ 5

.043"17.5mm, ⌀14x1.25HR 8

HR8DPP30X

Copper-Platinum

-

3.5/ 5

.043"17.5mm, ⌀14x1.25HR 8

HR8DCX+

Copper

2.9/ 5

.043"17.5mm, ⌀14x1.25HR 8

Two steps colder (2)

Two steps colder spark plugs with same characteristics for heavily modified engines (150-200 hp increase)

HR6KII33X

Iridium

4.5/ 5

.043"17.5mm, ⌀14x1.25HR 6

HR6DPP33X

Platinum

3.8/ 5

.043"17.5mm, ⌀14x1.25HR 6