GL4 gear lube. If the brand bottle states compatible for GL3, 4 and 5 that is for the rear end lube upward compatibility per the Mobil 1, Valvoline, Redline and other techs I have spoken to. It is not upwardly compatible for manual shift trannies. The Nissan units need a specific single rating GL4 per the the factory.
I assume this is the Redline GL4 lube noted to use: