NGK DPR7EIX-9 Spark Plug

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Rating
Brand	Code
3.8 / 5 Overall
NGK	DPR7EIX-9
4.0 / 5 Materials
Copper	Iridium
Ground electrode	Center electrode
3.5 / 5 Design
Standard	Fine Wire
Ground type	Center type

Specifications
Gap	Heat range
0.9mm (.035")	7
⌀12mm	1.25mm
Thread diameter	Thread pitch
19mm (3/4")	18mm ()
Reach	Hex size
Gasket	Removable Nut
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

IX22B

Copper-Iridium

4.3/ 5

.035"19mm, ⌀12x1.25HR 22

Deep reference (3)

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

IJR7A9

Iridium-Platinum

4.2/ 5

.035"19mm, ⌀12x1.25HR 7

PJR7A

Platinum

3.8/ 5

.028"19mm, ⌀12x1.25HR 7

DPR6EB-9

Copper

2.9/ 5

.035"19mm, ⌀12x1.25HR 6

Same specs (3)

Products that have identical characteristics that impact interchangability

IJR7A9

Iridium-Platinum

4.2/ 5

.035"19mm, ⌀12x1.25HR 7

DPR7EA-9

Copper

2.9/ 5

.035"19mm, ⌀12x1.25HR 7

DPR7EA-9 BLYB

Copper

2.9/ 5

.035"19mm, ⌀12x1.25HR 7

One step colder (2)

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

DPR8EIX-9

Copper-Iridium

3.8/ 5

.035"19mm, ⌀12x1.25HR 8

DPR8EA-9

Copper

2.9/ 5

.035"19mm, ⌀12x1.25HR 8

Two steps colder (2)

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

DPR9EIX-9

Copper-Iridium

3.8/ 5

.035"19mm, ⌀12x1.25HR 9

DPR9EA-9

Copper

2.9/ 5

.035"19mm, ⌀12x1.25HR 9