NGK ZMR7AP 6914 Spark Plug

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Rating
Brand	Code
3.5 / 5 Overall
NGK	ZMR7AP
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
0.6mm (.024")	7
⌀10mm	1mm
Thread diameter	Thread pitch
19mm (3/4")	16mm (5/8")
Reach	Hex size
Gasket	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 (1)

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

IU22

Copper-Iridium

4.3/ 5

.035"19mm, ⌀10x1HR 22

Deep reference (7)

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

CR7EIX

Copper-Iridium

3.8/ 5

.031"19mm, ⌀10x1HR 7

PMR7A

Platinum

3.8/ 5

.028"19mm, ⌀10x1HR 7

CR7EK

Copper

3.3/ 5

.028"19mm, ⌀10x1HR 7

CR7EKB

Copper

3.3/ 5

.031"19mm, ⌀10x1HR 7

C7E

Copper

2.9/ 5

.031"19mm, ⌀10x1HR 7

CR7E

Copper

2.9/ 5

.031"19mm, ⌀10x1HR 7

CR7EB

Copper

2.9/ 5

.031"19mm, ⌀10x1HR 7

Bigger gap (3)

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

CPR7EAIX-9

Copper-Iridium

3.8/ 5

.035"19mm, ⌀10x1HR 7

CPR7EA-9

Copper

2.9/ 5

.035"19mm, ⌀10x1HR 7

MR7F

Copper

2.9/ 5

.031"19mm, ⌀10x1HR 7

One step colder (1)

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

CPR8E

Copper

2.9/ 5

.024"19mm, ⌀10x1HR 8