NGK CR7HS Spark Plug

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Rating

2.9 / 5 Overall
NGK	CR7HS
Brand	Code
3.0 / 5 Materials
Copper	Copper
Ground electrode	Center electrode
2.8 / 5 Design
Standard	Standard
Ground type	Center type

Specifications

0.7mm (.028")	7
Gap	Heat range
⌀10mm	1mm
Thread diameter	Thread pitch
12.7mm (1/2")	16mm (5/8")
Reach	Hex size
Gasket	Threaded Stud
Seat	Terminal
1	Non-Projected
Ground count	Projection

Cross-reference and alternatives

Cross-reference (3)

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

IUF22

Copper-Iridium

4.3/ 5

.031"12.7mm, ⌀10x1HR 22

U22FSR-U

Copper

3.3/ 5

.028"12.7mm, ⌀10x1HR 22

4194

Copper

-

2.9/ 5

.024"12.7mm, ⌀10x1HR 1

Deep reference (42)

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

IUF24

Copper-Iridium

4.3/ 5

.031"12.7mm, ⌀10x1HR 24

IUF22

Copper-Iridium

4.3/ 5

.031"12.7mm, ⌀10x1HR 22

CR6HIX

Copper-Iridium

3.8/ 5

.028"12.7mm, ⌀10x1HR 6

CR7HIX

Copper-Iridium

3.8/ 5

.028"12.7mm, ⌀10x1HR 7

CR5HIX

Copper-Iridium

3.8/ 5

.028"12.7mm, ⌀10x1HR 5

CR7HIX

Copper-Iridium

3.8/ 5

.028"12.7mm, ⌀10x1HR 7

CR8HIX

Copper-Iridium

3.8/ 5

.028"12.7mm, ⌀10x1HR 8

CR6HIX

Copper-Iridium

3.8/ 5

.028"12.7mm, ⌀10x1HR 6

U20FSR-U

Copper

3.3/ 5

.028"12.7mm, ⌀10x1HR 20

U20FS-U

Copper

3.3/ 5

.028"12.7mm, ⌀10x1HR 20

U22FSR-U

Copper

3.3/ 5

.028"12.7mm, ⌀10x1HR 22

U22FS-U

Copper

3.3/ 5

.028"12.7mm, ⌀10x1HR 22

U24FS-U

Copper

3.3/ 5

.028"12.7mm, ⌀10x1HR 24

C6HSA

Copper

-

2.9/ 5

.028"12.7mm, ⌀10x1HR 6

C7HSA

Copper

-

2.9/ 5

.028"12.7mm, ⌀10x1HR 7

CR6HS

Copper

-

2.9/ 5

.028"12.7mm, ⌀10x1HR 6

CR6HSA

Copper

-

2.9/ 5

.028"12.7mm, ⌀10x1HR 6

CR7HSA

Copper

-

2.9/ 5

.028"12.7mm, ⌀10x1HR 7

Z9Y

Copper

-

2.9/ 5

.026"12.7mm, ⌀10x1HR 9

4194

Copper

-

2.9/ 5

.024"12.7mm, ⌀10x1HR 1

CR7HSA

Copper

-

2.9/ 5

.028"12.7mm, ⌀10x1HR 7

4194

Copper

-

2.9/ 5

.024"12.7mm, ⌀10x1HR 1

Z6

Copper

-

2.9/ 5

.026"12.7mm, ⌀10x1HR 6

Z9Y

Copper

-

2.9/ 5

.026"12.7mm, ⌀10x1HR 9

C6HSA

Copper

-

2.9/ 5

.028"12.7mm, ⌀10x1HR 6

C7HSA

Copper

-

2.9/ 5

.028"12.7mm, ⌀10x1HR 7

C8HA

Copper

-

2.9/ 5

.028"12.7mm, ⌀10x1HR 8

C8HSA

Copper

-

2.9/ 5

.028"12.7mm, ⌀10x1HR 8

CMR5H

Copper

-

2.9/ 5

.028"12.7mm, ⌀10x1HR 5

CMR6A

Copper

-

2.9/ 5

.024"9.5mm, ⌀10x1HR 6

CMR6H

Copper

-

2.9/ 5

.028"12.7mm, ⌀10x1HR 6

CMR7A

Copper

-

2.9/ 5

.028"9.5mm, ⌀10x1HR 7

CMR7H

Copper

-

2.9/ 5

.028"12.7mm, ⌀10x1HR 7

CR4HSA

Copper

-

2.9/ 5

.028"12.7mm, ⌀10x1HR 4

CR4HSB

Copper

-

2.9/ 5

.028"12.7mm, ⌀10x1HR 4

CR5HSA

Copper

-

2.9/ 5

.028"12.7mm, ⌀10x1HR 5

CR5HSB

Copper

-

2.9/ 5

.028"12.7mm, ⌀10x1HR 5

CR6HS

Copper

-

2.9/ 5

.028"12.7mm, ⌀10x1HR 6

CR6HSA

Copper

-

2.9/ 5

.028"12.7mm, ⌀10x1HR 6

CR6HSB

Copper

-

2.9/ 5

.028"12.7mm, ⌀10x1HR 6

CR7HSA

Copper

-

2.9/ 5

.028"12.7mm, ⌀10x1HR 7

CR8HSA

Copper

-

2.9/ 5

.028"12.7mm, ⌀10x1HR 8

Same specs (3)

Products that have identical characteristics that impact interchangability

CR7HIX

Copper-Iridium

3.8/ 5

.028"12.7mm, ⌀10x1HR 7

CR7HSA BLYB

Copper

-

2.9/ 5

.028"12.7mm, ⌀10x1HR 7

CR7HSA

Copper

-

2.9/ 5

.028"12.7mm, ⌀10x1HR 7

Bigger gap (1)

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

CR7HSA-9

Copper

-

2.9/ 5

.035"12.7mm, ⌀10x1HR 7

One step colder (3)

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

CR8HIX

Copper-Iridium

3.8/ 5

.028"12.7mm, ⌀10x1HR 8

CR8HSA

Copper

-

2.9/ 5

.028"12.7mm, ⌀10x1HR 8

LR8B

Copper

-

2.9/ 5

.028"12.7mm, ⌀10x1HR 8