Bosch HR9SPP300X 6711 Spark Plug

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Rating
Brand	Code
3.5 / 5 Overall
Bosch	HR9SPP300X
3.5 / 5 Materials
Copper	Platinum
Ground electrode	Center electrode
3.5 / 5 Design
Standard	Fine Wire
Ground type	Center type

Specifications
Gap	Heat range
1.1mm (.043")	9
⌀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

How we find alternative spark plugs How we rate spark plugs

Cross-reference (2)

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

LZTR5AGP

Copper-Platinum

3.5/ 5

.039"25mm, ⌀14x1.25HR 5

LZTR4A-11

Copper

3.1/ 5

.043"25mm, ⌀14x1.25HR 4

Deep reference (11)

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

ITL16TT

Iridium-Platinum

4.7/ 5

.039"25mm, ⌀14x1.25HR 16

RE10PMPB5

Platinum

3.8/ 5

.049"25mm, ⌀14x1.25HR 10

HR8TPP3002V

Copper-Platinum

3.5/ 5

.050"25mm, ⌀14x1.25HR 8

RE14PMC5

Copper-Platinum

3.3/ 5

.049"25mm, ⌀14x1.25HR 14

RE14PMC

Copper-Platinum

3.3/ 5

.045"25mm, ⌀14x1.25HR 14

AP5426

Copper-Platinum

3.2/ 5

.050"25mm, ⌀14x1.25HR 3

AP5426DP2

Copper-Platinum

3.2/ 5

.050"25mm, ⌀14x1.25HR 3

AP5263

Copper-Platinum

3.2/ 5

.039"25mm, ⌀14x1.25HR 1

RE14MCC4

Copper

2.9/ 5

.039"25mm, ⌀14x1.25HR 14

RE14MCC5

Copper

2.9/ 5

.049"25mm, ⌀14x1.25HR 14

RE16MC

Copper

2.9/ 5

.041"25mm, ⌀14x1.25HR 16

Same specs (2)

Products that have identical characteristics that impact interchangability

HR9SII330X

Iridium

4.5/ 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