NGK R4118S-9 Spark Plug

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Rating

3.4 / 5 Overall
NGK	R4118S-9
Brand	Code
3.3 / 5 Materials
Copper	Gold-Palladium
Ground electrode	Center electrode
3.5 / 5 Design
Standard	Fine Wire
Ground type	Center type

Specifications

0.65mm (.026")	9
Gap	Heat range
⌀14mm	1.25mm
Thread diameter	Thread pitch
19mm (3/4")	21mm (13/16")
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

IW27

Copper-Iridium

4.3/ 5

.028"19mm, ⌀14x1.25HR 27

Deep reference (15)

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

XS4063

Iridium-Platinum

4.2/ 5

.031"19mm, ⌀14x1.25HR 3

BR9ECSIX

Copper-Iridium

4.0/ 5

.031"19mm, ⌀14x1.25HR 9

BPR9EIX

Copper-Iridium

3.8/ 5

.031"19mm, ⌀14x1.25HR 9

BR9EIX

Copper-Iridium

3.8/ 5

.031"19mm, ⌀14x1.25HR 9

B9EGV

Copper-Gold-Palladium

-

3.4/ 5

.026"19mm, ⌀14x1.25HR 9

R6021E-9

Copper

3.2/ 5

.026"19mm, ⌀14x1.25HR 9

B9EG

Copper

3.2/ 5

.024"19mm, ⌀14x1.25HR 9

BR9EG

Copper

3.2/ 5

.024"19mm, ⌀14x1.25HR 9

BR9ECS

Copper

3.1/ 5

.031"19mm, ⌀14x1.25HR 9

BR9EYA

Copper

3.1/ 5

.031"19mm, ⌀14x1.25HR 9

B9ES

Copper

2.9/ 5

.031"19mm, ⌀14x1.25HR 9

BP9ES

Copper

2.9/ 5

.031"19mm, ⌀14x1.25HR 9

BPR9ES

Copper

2.9/ 5

.028"19mm, ⌀14x1.25HR 9

BR9ES

Copper

2.9/ 5

.031"19mm, ⌀14x1.25HR 9

N2C

Copper

2.9/ 5

.026"19mm, ⌀14x1.25HR 2

Same specs (4)

Products that have identical characteristics that impact interchangability

B95EGV

Copper-Gold-Palladium

-

3.4/ 5

.026"19mm, ⌀14x1.25HR 9

B9EGV

Copper-Gold-Palladium

-

3.4/ 5

.026"19mm, ⌀14x1.25HR 9

803C

Copper

2.9/ 5

.026"19mm, ⌀14x1.25HR 4

N4C

Copper

2.9/ 5

.026"19mm, ⌀14x1.25HR 4

One step colder (2)

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

B105EGV

Copper-Gold-Palladium

-

3.4/ 5

.026"19mm, ⌀14x1.25HR 10

B10EGV

Copper-Gold-Palladium

-

3.4/ 5

.026"19mm, ⌀14x1.25HR 10

Two steps colder (1)

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

B11EGV

Copper-Gold-Palladium

-

3.4/ 5

.026"19mm, ⌀14x1.25HR 11