NGK ILTR5D Spark Plug

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Rating

4.2 / 5 Overall
NGK	ILTR5D
Brand	Code
4.5 / 5 Materials
Platinum	Iridium
Ground electrode	Center electrode
3.5 / 5 Design
Standard	Fine Wire
Ground type	Center type

Specifications

0.9mm (.035")	5
Gap	Heat range
⌀14mm	1.25mm
Thread diameter	Thread pitch
25mm (1")	16mm (5/8")
Reach	Hex size
Tapered	Solid
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

ITV16TT

Iridium-Platinum

4.7/ 5

.039"25mm, ⌀14x1.25HR 16

ITV16

Copper-Iridium

4.3/ 5

.043"25mm, ⌀14x1.25HR 16

PTV16TT

Platinum-Titanium

3.7/ 5

.039"25mm, ⌀14x1.25HR 16

Deep reference (26)

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

ILTR5B11

Iridium-Platinum

-

4.2/ 5

.043"25mm, ⌀14x1.25HR 5

ILTR5C11

Iridium-Platinum

-

4.2/ 5

.043"25mm, ⌀14x1.25HR 5

ILTR5E11

Iridium-Platinum

-

4.2/ 5

.043"25mm, ⌀14x1.25HR 5

ILTR5K13

Iridium-Platinum

-

4.2/ 5

.050"25mm, ⌀14x1.25HR 5

ILTR5L11

Iridium-Platinum

-

4.2/ 5

.043"25mm, ⌀14x1.25HR 5

ILTR5M9G

Iridium-Platinum

-

4.2/ 5

.035"25mm, ⌀14x1.25HR 5

LTR5BI-13

Iridium-Platinum

-

4.2/ 5

.050"25mm, ⌀14x1.25HR 5

ILTR5E11

Iridium-Platinum

-

4.2/ 5

.043"25mm, ⌀14x1.25HR 5

LTR5BI-13

Iridium-Platinum

-

4.2/ 5

.050"25mm, ⌀14x1.25HR 5

ILTR5B11

Iridium-Platinum

-

4.2/ 5

.043"25mm, ⌀14x1.25HR 5

ILTR5C11

Iridium-Platinum

-

4.2/ 5

.043"25mm, ⌀14x1.25HR 5

ILTR5E11

Iridium-Platinum

-

4.2/ 5

.043"25mm, ⌀14x1.25HR 5

ILTR5K13

Iridium-Platinum

-

4.2/ 5

.050"25mm, ⌀14x1.25HR 5

ILTR5L11

Iridium-Platinum

-

4.2/ 5

.043"25mm, ⌀14x1.25HR 5

ILTR5M9G

Iridium-Platinum

-

4.2/ 5

.035"25mm, ⌀14x1.25HR 5

LTR5BI-13

Iridium-Platinum

-

4.2/ 5

.050"25mm, ⌀14x1.25HR 5

PTR5A-13

Platinum

3.8/ 5

.050"25mm, ⌀14x1.25HR 5

LTR5IX-11

Copper-Iridium

3.8/ 5

.043"25mm, ⌀14x1.25HR 5

TR5BP12

Platinum

3.8/ 5

.047"18mm, ⌀14x1.25HR 5

RE7PYP6

Platinum

3.8/ 5

.059"25mm, ⌀14x1.25HR 10

LTR5IX-11

Copper-Iridium

3.8/ 5

.043"25mm, ⌀14x1.25HR 5

PTR5A-13

Platinum

3.8/ 5

.050"25mm, ⌀14x1.25HR 5

LTR5GP

Copper-Platinum

3.5/ 5

.039"25mm, ⌀14x1.25HR 5

242235767

Copper-Platinum

3.5/ 5

.043"25mm, ⌀14x1.25HR 7

APP5263

Platinum

3.5/ 5

.039"25mm, ⌀14x1.25HR 1

LTR5GP

Copper-Platinum

3.5/ 5

.039"25mm, ⌀14x1.25HR 5

Same specs (1)

Products that have identical characteristics that impact interchangability

ILTR5M9G

Iridium-Platinum

-

4.2/ 5

.035"25mm, ⌀14x1.25HR 5

Bigger gap (6)

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

ILTR5B11

Iridium-Platinum

-

4.2/ 5

.043"25mm, ⌀14x1.25HR 5

ILTR5C11

Iridium-Platinum

-

4.2/ 5

.043"25mm, ⌀14x1.25HR 5

ILTR5L11

Iridium-Platinum

-

4.2/ 5

.043"25mm, ⌀14x1.25HR 5

ILTR5E11

Iridium-Platinum

-

4.2/ 5

.043"25mm, ⌀14x1.25HR 5

LTR5IX-11

Copper-Iridium

3.8/ 5

.043"25mm, ⌀14x1.25HR 5

LTR5GP

Copper-Platinum

3.5/ 5

.039"25mm, ⌀14x1.25HR 5

One step colder (5)

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

LTR6AI-9

Iridium-Platinum

-

4.2/ 5

.035"25mm, ⌀14x1.25HR 6

ILTR6M9G

Iridium-Platinum

-

4.2/ 5

.035"25mm, ⌀14x1.25HR 6

LTR6BI-9

Iridium-Platinum

-

4.2/ 5

.035"25mm, ⌀14x1.25HR 6

ILTR6F9

Iridium-Platinum

-

4.2/ 5

.035"25mm, ⌀14x1.25HR 6

LTR6EI-9

Iridium-Platinum

-

4.2/ 5

.035"25mm, ⌀14x1.25HR 6

Two steps colder (2)

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

ILTR7Q9

Iridium-Platinum

-

4.2/ 5

.035"25mm, ⌀14x1.25HR 7

ILTR7E9

Iridium-Platinum

-

4.2/ 5

.035"25mm, ⌀14x1.25HR 7