Yep, you have a Spanish Euro 5, 140kw model as below.
2. NISSAN NAVARA ST, ST-X Auto or Manual D40 CVND40 01/2010~04/2015 4 Door Utility 4WD DIESEL 2.5 litre, YD25DDTI I4 16v DOHC I/C Turbo CRD {140kW}
The cheapest and best to deal with is Navarapart.com.au.
Not sure if they ship to NZ, but in stock and pretty good price.
https://navarapart.com.au/product/genuine-nissan-navara-d40-vsk-yd25-cylinder-head-gasket-4-notch
It's probably yd25.com.au that you are talking about.
To the OP, I would just get yours checked out by them, appears to only take 10 mins.
"Don't stress about your timing chain. We do free timing chain check using a Pico Scope. This is hi end diagnostic equipment found in few workshops. We...
For $80 - $100 you can get yourself 20 litres of lots of brands of CI4/CI4+ or if lucky CJ4 15-40 oil and do it yourself.
$80 for 7 litres of the stuff is pretty steep. Pretty much triple retail for us consumers.
You can bet it's closer or 5 or 6 times what they buy it for in a 44gal drum.
Building work noise
This information applies to builders and contractors working on building sites.
Audible noise
If noise from building work can be heard at premises during the following times, the person carrying out the building work may be issued with a fine.
Time Day Note
6.30pm to...
Without having the take the SCV out and measure it is there any way of knowing by year and model if you have a short or long SCV.
I have a 2013 ST, Spain built.