5W-30
A 1993 Ford Aerostar would have come from the factory with ( 5W-30 )
SAE 10W30 any major brand.
A 1995 Ford Aerostar either has a 3.0 liter or a 4.0 liter V6 engine ( The 3.0L has the engine oil filter on the drivers side of the engine and the 4.0L it is on the passenger side of the engine )
According to the 1996 Ford Aerostar Owner Guide : ( 5W-30 ) is the preferred oil
SAE 10W30 any major brand.
5w30
Ford Aerostar
The motor oil that is recommended for a 2000 Ford Taurus is 5W 20. This oil can be purchased at any retail or auto parts store.
5w-30
The 1997 Ford Aerostar oxygen sensor is screwed into the exhaust pipe. It is about even with the rear of the oil pan.
A 1993 Ford Aerostar ( 3.0L and 4.0L V6 engines ) came from the factory with ( 5W-30 )