Hey I have a 2003 350z BASE and its time for a differential fluid change, what fluid do I need to use? It does not have an LSD, just an open diff...sadly... please lemme know what fluid I need...thanks

 

API GL-5 80W-90. (Open or VLSD rearend). /thread

 

Awesome, thanks a lot, also how much do I need? I heard 1.5 quarts but idk if it's different for open diffs

 

Capacity is "about" 1.5 qts (same between either diff) but how much goes in after draining depends on your method (on the bench/opened up or pumped out). Either way, you'll end up buying two qts and filling (while car is level of course) until the new fluid starts weeping from the drain/fill plug hole.