just use real OEM fluids at all times.

Engine oil is a bit different but nbow they have the FEO synthetic you can use that if you change your oil every 4-5,000kms.. if u are a 10,000km servicer, then use FEO regular.

For your Gearbox, ALWAYS use OEM MTF unless you have some custom synchros or some aftermarket setup that requires a specific fluid be used.

Brake fluid also best to stay with OEM and flush once a year or so.

even COOLANT i'd stick witih OEM as it has additives that 'protect' the seals etc - not just anti-corrosion and cooling chemicals.