Bosch HR9SII330X 9654 Spark Plug

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Rating

4.5 / 5 Overall
Bosch	HR9SII330X
Brand	Code
5.0 / 5 Materials
Iridium	Iridium
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
25mm (1")	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

LZTR4AIX-11

Copper-Iridium

3.8/ 5

.043"25mm, ⌀14x1.25HR 4

Deep reference (1)

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

HGR8MQP0

Copper-Platinum

3.5/ 5

.063"25mm, ⌀14x1.25HR 8

Same specs (2)

Products that have identical characteristics that impact interchangability

HR9SPP300X

Copper-Platinum

3.5/ 5

.043"25mm, ⌀14x1.25HR 9

HR9SC0X+

Copper

2.9/ 5

.043"25mm, ⌀14x1.25HR 9

One step colder (6)

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

HR8NII332X

Iridium

-

4.5/ 5

.043"25mm, ⌀14x1.25HR 8

HR8MII33X

Iridium

-

4.5/ 5

.043"25mm, ⌀14x1.25HR 8

HR8MPP33X

Platinum

3.8/ 5

.043"25mm, ⌀14x1.25HR 8

HR8MPP30X

Copper-Platinum

3.5/ 5

.043"25mm, ⌀14x1.25HR 8

HR8NPP302X

Copper-Platinum

3.5/ 5

.043"25mm, ⌀14x1.25HR 8

242229739

Copper-Platinum

3.5/ 5

.043"25mm, ⌀14x1.25HR 8

Two steps colder (4)

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

HR7NII33X

Iridium

-

4.5/ 5

.043"25mm, ⌀14x1.25HR 7

HR7MPP33X

Platinum

3.8/ 5

.043"25mm, ⌀14x1.25HR 7

HR7MPP30X

Copper-Platinum

3.5/ 5

.043"25mm, ⌀14x1.25HR 7

242235767

Copper-Platinum

3.5/ 5

.043"25mm, ⌀14x1.25HR 7