I believe it is a 2.4 NAPS-Z engine with two coils and eight spark plugs.
4 cyl engine is a z24 and it is a 2.4 litter engine
Need to know what size engine you have in order to answer your starter problem. 1993 Nissan pickup with v-6
i use a14 mm wrench to get mine off
Need to know your engine size in order to anwer your thermostat problems.
go to autozone.com,enter your vehicles year ,make,engine size,then look up thermostat ,then to right of screen click on repair guide and it will show and tell you.
== == == ==
engine size would help. check with your local auto parts shop.
185R14
The 2010 Nissan 370Z has a 3.7 L base engine size.
The 2001 Nissan Quest has a 3.3 L base engine size.
The 2013 Nissan Armada has a 5.6 L base engine size.
The 2007 Nissan Maxima has a 3.5 L base engine size.