Denso ZTJ16R10 Spark Plug

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Rating

4.2 / 5 Overall
Denso	ZTJ16R10
Brand	Code
4.5 / 5 Materials
Platinum	Iridium
Ground electrode	Center electrode
3.5 / 5 Design
Standard	Fine Wire
Ground type	Center type

Specifications

1mm (.039")	16
Gap	Heat range
⌀14mm	1.25mm
Thread diameter	Thread pitch
18mm (.709")	16mm (5/8")
Reach	Hex size
Tapered	Solid
Seat	Terminal
1	Non-Projected
Ground count	Projection

Cross-reference and alternatives

Same specs (4)

Products that have identical characteristics that impact interchangability

PTR5D-10

Platinum

3.8/ 5

.039"18mm, ⌀14x1.25HR 5

TR5-1IX

Copper-Iridium

3.8/ 5

.039"18mm, ⌀14x1.25HR 5

TR5-1GP

Copper-Platinum

3.5/ 5

.039"18mm, ⌀14x1.25HR 5

TR5-1

Copper

3.1/ 5

.039"18mm, ⌀14x1.25HR 5

Bigger gap (7)

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

TR5AI-13

Iridium-Platinum

-

4.2/ 5

.050"18mm, ⌀14x1.25HR 5

TR5BP12

Platinum

3.8/ 5

.047"18mm, ⌀14x1.25HR 5

PTR5C-13

Platinum

3.8/ 5

.050"18mm, ⌀14x1.25HR 5

PTR5D-13

Platinum

3.8/ 5

.050"18mm, ⌀14x1.25HR 5

PTR5F-11

Platinum

3.8/ 5

.043"18mm, ⌀14x1.25HR 5

BPR5EFS-13

Copper

2.9/ 5

.050"18mm, ⌀14x1.25HR 5

TR5C-12

Copper

2.9/ 5

.047"18mm, ⌀14x1.25HR 5

One step colder (3)

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

TR6IX

Copper-Iridium

3.8/ 5

.039"18mm, ⌀14x1.25HR 6

TR6GP

Copper-Platinum

3.5/ 5

.039"18mm, ⌀14x1.25HR 6

TR6

Copper

3.1/ 5

.039"18mm, ⌀14x1.25HR 6

Two steps colder (1)

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

TR7IX

Copper-Iridium

3.8/ 5

.039"18mm, ⌀14x1.25HR 7