Bosch FR8SPP30X 6734 Spark Plug

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Rating

3.5 / 5 Overall
Bosch	FR8SPP30X
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")	8
Gap	Heat range
⌀14mm	1.25mm
Thread diameter	Thread pitch
26.5mm (1.04")	16mm (5/8")
Reach	Hex size
Gasket	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

LZFR5CI-11

Iridium-Platinum

4.2/ 5

.043"26.5mm, ⌀14x1.25HR 5

Deep reference (3)

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

FR8SII33X

Iridium

4.5/ 5

.043"26.5mm, ⌀14x1.25HR 8

REC12WMPB5

Iridium-Platinum

4.2/ 5

.049"25mm, ⌀14x1.25HR 12

REC10WMPB

Iridium-Platinum

4.2/ 5

.041"25mm, ⌀14x1.25HR 10

Same specs (4)

Products that have identical characteristics that impact interchangability

FR8MII33X

Iridium

4.5/ 5

.043"26.5mm, ⌀14x1.25HR 8

FR8SII33X

Iridium

4.5/ 5

.043"26.5mm, ⌀14x1.25HR 8

FR8MPP33X

Platinum

3.8/ 5

.043"26.5mm, ⌀14x1.25HR 8

FR8MPP30X

Copper-Platinum

-

3.5/ 5

.043"26.5mm, ⌀14x1.25HR 8

One step colder (3)

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

FR7NII33X

Iridium

4.5/ 5

.043"26.5mm, ⌀14x1.25HR 7

FR7MPP33X

Platinum

3.8/ 5

.043"26.5mm, ⌀14x1.25HR 7

FR7NPP30X

Copper-Platinum

-

3.5/ 5

.043"26.5mm, ⌀14x1.25HR 7