NGK LZTR5A-13 Spark Plug

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Rating
Brand	Code
3.1 / 5 Overall
NGK	LZTR5A-13
3.0 / 5 Materials
Copper	Copper
Ground electrode	Center electrode
3.3 / 5 Design
Standard	V-Cut
Ground type	Center type

Specifications
Gap	Heat range
1.3mm (.050")	5
⌀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

How we find alternative spark plugs How we rate spark plugs

Cross-reference (4)

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

RE14PMPB

Platinum

3.8/ 5

.045"25mm, ⌀14x1.25HR 14

7570-2

Platinum

3.8/ 5

.045"25mm, ⌀14x1.25HR 14

RE14PMC

Copper-Platinum

3.3/ 5

.045"25mm, ⌀14x1.25HR 14

RE14MCC5

Copper

2.9/ 5

.049"25mm, ⌀14x1.25HR 14

Deep reference (6)

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

APP5263

Platinum

3.5/ 5

.039"25mm, ⌀14x1.25HR 1

LZTR5AGP

Copper-Platinum

3.5/ 5

.039"25mm, ⌀14x1.25HR 5

LZTR4AGP

Copper-Platinum

3.5/ 5

.039"25mm, ⌀14x1.25HR 4

AP5263

Copper-Platinum

3.2/ 5

.039"25mm, ⌀14x1.25HR 1

AP5263

Copper-Platinum

3.2/ 5

.039"25mm, ⌀14x1.25HR 1

LZTR4A-11

Copper

3.1/ 5

.043"25mm, ⌀14x1.25HR 4

Same specs (1)

Products that have identical characteristics that impact interchangability

LZTR5AIX-13

Copper-Iridium

3.8/ 5

.050"25mm, ⌀14x1.25HR 5

One step colder (1)

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

LZTR6AIX-13

Copper-Iridium

3.8/ 5

.050"25mm, ⌀14x1.25HR 6

Two steps colder (1)

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

LZTR7AIX-13

Copper-Iridium

3.8/ 5

.050"25mm, ⌀14x1.25HR 7