Bosch FR7DCX+ NS 7556 Spark Plug

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Rating

2.9 / 5 Overall
Bosch	FR7DCX+ NS
Brand	Code
3.0 / 5 Materials
Copper	Copper
Ground electrode	Center electrode
2.8 / 5 Design
Standard	Standard
Ground type	Center type

Specifications

1.1mm (.043")	7
Gap	Heat range
⌀14mm	1.25mm
Thread diameter	Thread pitch
19mm (3/4")	16mm (5/8")
Reach	Hex size
Gasket	Removable Nut
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

BKR6E-11

Copper

3.1/ 5

.043"19mm, ⌀14x1.25HR 6

Deep reference (14)

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

K20PR-U11

Copper

3.3/ 5

.043"19mm, ⌀14x1.25HR 20

FR7DPX+

Copper-Platinum

3.3/ 5

.043"19mm, ⌀14x1.25HR 7

FR6DCX

Copper

-

2.9/ 5

.043"19mm, ⌀14x1.25HR 6

430C2

Copper

-

2.9/ 5

.039"19mm, ⌀14x1.25HR 9

RC8YC4

Copper

-

2.9/ 5

.039"19mm, ⌀14x1.25HR 8

RC9YC4

Copper

-

2.9/ 5

.039"19mm, ⌀14x1.25HR 9

RC9YC5

Copper

-

2.9/ 5

.049"19mm, ⌀14x1.25HR 9

RC9YCN4

Copper

-

2.9/ 5

.039"19mm, ⌀14x1.25HR 9

5503

Copper

-

2.9/ 5

.045"19mm, ⌀14x1.25HR 2

5503DP2

Copper

-

2.9/ 5

.045"19mm, ⌀14x1.25HR 2

FR7DCX+

Copper

-

2.9/ 5

.043"19mm, ⌀14x1.25HR 7

FR6DCX+

Copper

-

2.9/ 5

.043"19mm, ⌀14x1.25HR 6

RC10YC4

Copper

-

2.9/ 5

.039"19mm, ⌀14x1.25HR 10

KJ20DR-M11

Copper

-

2.9/ 5

.043"19mm, ⌀14x1.25HR 20

Same specs (3)

Products that have identical characteristics that impact interchangability

FR7KPP30X

Copper-Platinum

3.5/ 5

.043"19mm, ⌀14x1.25HR 7

FR7DPX+

Copper-Platinum

3.3/ 5

.043"19mm, ⌀14x1.25HR 7

FR6DCX

Copper

-

2.9/ 5

.043"19mm, ⌀14x1.25HR 6

Bigger gap (3)

0.1..0.3 mm gap increase for better performance given your ignition system can handle it

RC10WYPB5

Iridium-Platinum

4.2/ 5

.049"19mm, ⌀14x1.25HR 10

RN10WYPB5

Iridium-Platinum

4.2/ 5

.049"19mm, ⌀14x1.25HR 10

RC9YC5

Copper

-

2.9/ 5

.049"19mm, ⌀14x1.25HR 9

Two steps colder (1)

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

IK24C11

Copper-Iridium

3.8/ 5

.043"19mm, ⌀14x1.25HR 24